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efl/src/lib/eo/eo.c

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#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#if defined HAVE_DLADDR && ! defined _WIN32
# include <dlfcn.h>
#endif
#include <Eina.h>
#ifdef _WIN32
# include <evil_private.h> /* evil_time_get dladdr */
#endif
#if defined(__APPLE__) && defined(__MACH__)
# include <mach/mach_time.h>
#endif
#include "Eo.h"
#include "eo_ptr_indirection.h"
#include "eo_private.h"
#include "eo_add_fallback.h"
#include "eo_internal.h"
#include "efl_object_override.eo.c"
#ifdef HAVE_EXECINFO_H
#include <execinfo.h>
#endif
#ifdef HAVE_VALGRIND
# include <valgrind.h>
# include <memcheck.h>
#endif
static Eina_Bool _eo_trash_bypass = EINA_FALSE;
#define EO_CLASS_IDS_FIRST 1
#define EFL_OBJECT_OP_IDS_FIRST 1
/* Used inside the class_get functions of classes, see #EFL_DEFINE_CLASS */
EO_API Eina_Lock _efl_class_creation_lock;
EO_API unsigned int _efl_object_init_generation = 1;
int _eo_log_dom = -1;
Eina_Thread _efl_object_main_thread;
static unsigned int efl_del_api_generation = 0;
static Efl_Object_Op _efl_del_api_op_id = 0;
static Eina_Hash *class_overrides;
typedef enum _Eo_Ref_Op {
EO_REF_OP_NONE,
EO_REF_OP_NEW,
EO_REF_OP_FREE,
EO_REF_OP_REF,
EO_REF_OP_UNREF,
EO_REF_OP_REUSE,
} Eo_Ref_Op;
static inline void _eo_log_obj_init(void);
static inline void _eo_log_obj_shutdown(void);
static inline void _eo_log_obj_ref_op(const _Eo_Object *obj, Eo_Ref_Op ref_op);
#ifdef EO_DEBUG
#define EO_LOG_OBJS_BACKTRACE_MAX 1022
#define EO_LOG_OBJS_BACKTRACE_DEFAULT 62
static int _eo_log_objs_dom = -1;
static int _eo_log_objs_backtrace = EO_LOG_OBJS_BACKTRACE_DEFAULT; // 0 = enable tracking but no bt, N>0 = enable tracking and bt of size N
static Eo_Ref_Op _eo_log_objs_level = EO_REF_OP_NONE;
static Eina_Inarray _eo_log_objs_debug;
static Eina_Inarray _eo_log_objs_no_debug;
static double _eo_log_time_start;
static const char *_eo_ref_op_str[] = {
"ERROR",
"New ",
"Free ",
"Ref ",
"Unref",
"Reuse",
};
#ifdef HAVE_BACKTRACE
static Eina_Array _eo_log_objs;
static Eina_Spinlock _eo_log_objs_lock;
#endif
#else
static inline void _eo_log_obj_init(void) { }
static inline void _eo_log_obj_shutdown(void) { }
static inline void _eo_log_obj_ref_op(const _Eo_Object *obj EINA_UNUSED, Eo_Ref_Op ref_op EINA_UNUSED) { }
void _eo_log_obj_report(const Eo_Id id EINA_UNUSED, int log_level EINA_UNUSED, const char *func_name EINA_UNUSED, const char *file EINA_UNUSED, int line EINA_UNUSED) { }
#endif
static _Efl_Class **_eo_classes = NULL;
static Eo_Id _eo_classes_last_id = 0;
static Eo_Id _eo_classes_alloc = 0;
static int _efl_object_init_count = 0;
static Eina_Hash *_ops_storage = NULL;
static Eina_Spinlock _ops_storage_lock;
static const Efl_Object_Optional efl_object_optional_cow_default = {};
Eina_Cow *efl_object_optional_cow = NULL;
static size_t _eo_sz = 0;
static size_t _eo_class_sz = 0;
static void _eo_condtor_reset(_Eo_Object *obj);
static inline void *_efl_data_scope_get(const _Eo_Object *obj, const _Efl_Class *klass);
static inline void *_efl_data_xref_internal(const char *file, int line, _Eo_Object *obj, const _Efl_Class *klass, const _Eo_Object *ref_obj);
static inline void _efl_data_xunref_internal(_Eo_Object *obj, void *data, const _Eo_Object *ref_obj);
static inline Efl_Object_Op _efl_object_api_op_id_get_internal(const void *api_func);
/* Start of Dich */
/* We are substracting the mask here instead of "AND"ing because it's a hot path,
* it should be a valid class at this point, and this lets the compiler do 1
* substraction at compile time. */
#define _UNMASK_ID(id) ((id) - MASK_CLASS_TAG)
#define ID_CLASS_GET(id) ({ \
(_Efl_Class *) (((_UNMASK_ID(id) <= _eo_classes_last_id) && (_UNMASK_ID(id) > 0)) ? \
(_eo_classes[_UNMASK_ID(id) - 1]) : NULL); \
})
#define EFL_OBJECT_OP_CLASS_PART(op) op >> 16
#define EFL_OBJECT_OP_FUNC_PART(op) op & 0xffff
#define EFL_OBJECT_OP_CREATE_OP_ID(class_id, func_id) ((unsigned short)class_id)<<16|((unsigned short)func_id&0xffff)
static const _Efl_Class *
_eo_op_class_get(Efl_Object_Op op)
{
short class_id = EFL_OBJECT_OP_CLASS_PART(op);
return _eo_classes[class_id];
}
#if defined(DEBUG_VTABLE_ALLOCATION)
static int _allocated_memory = 0;
static inline void*
_vtable_alloc(unsigned long n, size_t elem)
{
_allocated_memory += n*elem;
return calloc(n, elem);
}
#else
static inline void*
_vtable_alloc(unsigned long n, size_t elem)
{
return calloc(n, elem);
}
#endif
/**
* This inits the vtable with a given size
*/
static void
_vtable_init_size(Eo_Vtable *vtable, unsigned int size)
{
//we assume here that _eo_classes_last_id was called before
vtable->size = size;
vtable->chain = _vtable_alloc(vtable->size, sizeof(Eo_Vtable_Node));
}
/**
* This inits the vtable wit hthe current size of allocated tables
*/
static void
_vtable_init(Eo_Vtable *vtable)
{
//we assume here that _eo_classes_last_id was called before
_vtable_init_size(vtable, _eo_classes_last_id);
}
/**
* This removes all nodes from the klass that are copied from mro
*/
static void
_vtable_mro_free(const _Efl_Class *klass)
{
const _Efl_Class **mro_itr = klass->mro;
const Eo_Vtable *vtable = &klass->vtable;
for ( ; *mro_itr ; mro_itr++)
{
const Eo_Vtable *mro_vtable = &(*mro_itr)->vtable;
if ((*mro_itr) == klass)
continue;
for (unsigned int i = 0; i < mro_vtable->size; ++i)
{
if (i == klass->class_id)
continue;
if (vtable->chain[i].funcs && mro_vtable->chain[i].funcs == vtable->chain[i].funcs)
{
vtable->chain[i].funcs = NULL;
}
}
}
}
static void
_vtable_free(Eo_Vtable *vtable, const Eo_Vtable *root)
{
if (root)
{
EINA_SAFETY_ON_FALSE_RETURN(vtable->size == root->size);
}
for (int i = 0; i < vtable->size; ++i)
{
if (root && root->chain[i].funcs == vtable->chain[i].funcs)
vtable->chain[i].count = 0;
if (vtable->chain[i].count)
{
free(vtable->chain[i].funcs);
}
}
free(vtable->chain);
}
/**
* This takes over all set chains of the src to dest.
* This should only be called on Eo_Vtables, which are initialized with this value.
* Previous setted values are going to be overwritten.
*/
static void
_vtable_take_over(Eo_Vtable *dest, const Eo_Vtable *src)
{
for (int i = 0; i < src->size; ++i)
{
if (src->chain[i].funcs)
{
dest->chain[i] = src->chain[i];
}
}
}
/**
* Fills the node of the passed class id with a empty none NULL pointer.
* This is used to indicate that a specific node has a normal 0 size, but is set.
*/
static void
_vtable_insert_empty_funcs(Eo_Vtable *vtable, unsigned short class_id)
{
vtable->chain[class_id].funcs = (void*)0x1010101;
vtable->chain[class_id].count = 0;
}
/**
* duplicate the source node, and write the duplicated values to the destination
* No logical changes are applied to src.
*/
static void
_vtable_copy_node(Eo_Vtable_Node *dest, const Eo_Vtable_Node *src)
{
dest->count = src->count;
dest->funcs = _vtable_alloc(sizeof(op_type_funcs), src->count);
memcpy(dest->funcs, src->funcs, sizeof(op_type_funcs) * src->count);
}
/**
* Initialize a node with a empty funcs array of the passed length
*/
static void
_vtable_prepare_empty_node(Eo_Vtable *dest, unsigned int length, unsigned int class_id)
{
dest->chain[class_id].count = length;
dest->chain[class_id].funcs = _vtable_alloc(sizeof(op_type_funcs), dest->chain[class_id].count);
}
/**
* Copy all setted APIs from src to dest.
* Already set function slots are going to be replaced.
*/
static void
_vtable_merge_defined_api(Eo_Vtable *dest, const Eo_Vtable *src, Eina_Bool *hitmap)
{
for (unsigned int i = 0; i < src->size; ++i)
{
//if there is a source node evalulate if we need to copy it
if (src->chain[i].funcs)
{
if (!dest->chain[i].funcs)
{
dest->chain[i] = src->chain[i];
EINA_SAFETY_ON_FALSE_RETURN(hitmap[i] == EINA_FALSE);
}
else
{
if (!hitmap[i])
{
const Eo_Vtable_Node node = dest->chain[i];
if (!node.count)
_vtable_insert_empty_funcs(dest, i);
else
_vtable_copy_node(&dest->chain[i], &node); //we copy what we have, and overwrite in the later for loop
hitmap[i] = EINA_TRUE;
}
for (int j = 0; j < src->chain[i].count; ++j)
{
if (src->chain[i].funcs[j].func)
dest->chain[i].funcs[j] = src->chain[i].funcs[j];
}
}
}
}
}
/**
* Ensure that all set nodes from src are also set on dest.
* No real values are copied, the newly taken or allocated slots will be empty.
*/
static void
_vtable_merge_empty(Eo_Vtable *dest, const Eo_Vtable *src, Eina_Bool *hitmap)
{
for (unsigned int i = 0; i < src->size; ++i)
{
if (src->chain[i].funcs && !dest->chain[i].funcs)
{
if (!src->chain[i].count)
{
dest->chain[i].funcs = src->chain[i].funcs;
dest->chain[i].count = src->chain[i].count;
}
else
{
_vtable_prepare_empty_node(dest, src->chain[i].count, i);
hitmap[i] = EINA_TRUE;
}
}
}
}
static inline const op_type_funcs *
_vtable_func_get(const Eo_Vtable *vtable, Efl_Object_Op op)
{
unsigned short class_id = EFL_OBJECT_OP_CLASS_PART(op);
unsigned short func_id = EFL_OBJECT_OP_FUNC_PART(op);
if (EINA_UNLIKELY(vtable->size <= class_id))
return NULL;
if (EINA_UNLIKELY(vtable->chain[class_id].count <= func_id))
return NULL;
return &vtable->chain[class_id].funcs[func_id];
}
static inline Eina_Bool
_vtable_func_set(Eo_Vtable *vtable, const _Efl_Class *klass,
const _Efl_Class *hierarchy_klass, Efl_Object_Op op,
Eo_Op_Func_Type func, Eina_Bool allow_same_override)
{
op_type_funcs *fsrc;
unsigned short class_id = EFL_OBJECT_OP_CLASS_PART(op);
unsigned short func_id = EFL_OBJECT_OP_FUNC_PART(op);
Eo_Vtable_Node *hirachy_node = NULL;
Eo_Vtable_Node *node = NULL;
EINA_SAFETY_ON_FALSE_RETURN_VAL(vtable->size >= class_id, EINA_FALSE);
if (klass->parent && klass->parent->vtable.size > class_id)
hirachy_node = &klass->parent->vtable.chain[class_id];
if (hierarchy_klass)
hirachy_node = &hierarchy_klass->vtable.chain[class_id];
node = &vtable->chain[class_id];
EINA_SAFETY_ON_NULL_RETURN_VAL(node->funcs, EINA_FALSE);
EINA_SAFETY_ON_FALSE_RETURN_VAL(node->count >= func_id, EINA_FALSE);
fsrc = &node->funcs[func_id];
if (hierarchy_klass && !func)
{
if (!func)
{
op_type_funcs funcs = hirachy_node->funcs[func_id];
klass = funcs.src;
func = funcs.func;
}
}
else
{
if (!allow_same_override && (fsrc->src == klass))
{
const _Efl_Class *op_kls = _eo_op_class_get(op);
ERR("Class '%s': Overriding already set func %p for op %d (%s) with %p.",
klass->desc->name, fsrc->func, op, op_kls->desc->name, func);
return EINA_FALSE;
}
}
fsrc->src = klass;
fsrc->func = func;
return EINA_TRUE;
}
/* END OF DICH */
#define _EO_ID_GET(Id) ((Eo_Id) (Id))
static inline Eina_Bool
_eo_is_a_obj(const Eo *eo_id)
{
Eo_Id oid = (Eo_Id) _EO_ID_GET(eo_id);
return !!(oid & MASK_OBJ_TAG);
}
static inline Eina_Bool
_eo_is_a_class(const Eo *eo_id)
{
Eo_Id oid = (Eo_Id) _EO_ID_GET(eo_id);
return !!(oid & MASK_CLASS_TAG);
}
static inline _Efl_Class *
_eo_class_pointer_get(const Efl_Class *klass_id)
{
return ID_CLASS_GET((Eo_Id)klass_id);
}
static const char *
_eo_op_desc_name_get(const Efl_Op_Description *desc)
{
static const char *fct_name = "unknown";
if (!desc)
{
return fct_name;
}
#ifndef _WIN32
# ifdef HAVE_DLADDR
static Dl_info info;
if (dladdr(desc->api_func, &info) != 0)
fct_name = info.dli_sname;
# endif
#else
fct_name = desc->api_func; /* Same on windows */
#endif
return fct_name;
}
static inline const op_type_funcs *
_eo_kls_itr_next(const _Efl_Class *orig_kls, const _Efl_Class *cur_klass,
Efl_Object_Op op, Eina_Bool super)
{
const _Efl_Class **kls_itr = NULL;
/* Find the kls itr. */
kls_itr = orig_kls->mro;
while (*kls_itr && (*kls_itr != cur_klass))
kls_itr++;
if (*kls_itr)
{
if (super) kls_itr++;
while (*kls_itr)
{
const op_type_funcs *fsrc = _vtable_func_get(&(*kls_itr)->vtable, op);
if (!fsrc || !fsrc->func)
{
kls_itr++;
continue;
}
return fsrc;
}
}
return NULL;
}
static inline void
_apply_auto_unref(_Eo_Object *obj, const Eo *eo_obj)
{
if (EINA_UNLIKELY(obj && obj->auto_unref))
{
if (obj->finalized && !(--obj->auto_unref))
efl_unref(eo_obj);
}
}
/************************************ EO ************************************/
static EFL_FUNC_TLS _Efl_Class *_super_klass = NULL;
static Eo *
_efl_super_cast(const Eo *eo_id, const Efl_Class *cur_klass, Eina_Bool super)
{
EO_CLASS_POINTER_GOTO(cur_klass, super_klass, err);
#ifdef EO_DEBUG
if (EINA_UNLIKELY(!_eo_is_a_obj(eo_id) && !_eo_is_a_class(eo_id))) goto err_obj;
#endif
if (EINA_UNLIKELY(!_eo_is_a_obj(eo_id)))
goto do_klass;
#ifndef EO_DEBUG
if (!super && EINA_UNLIKELY(!efl_isa(eo_id, cur_klass)))
#else
if (EINA_UNLIKELY(!efl_isa(eo_id, cur_klass)))
#endif
goto err_obj_hierarchy;
EO_OBJ_POINTER_RETURN_VAL(eo_id, obj, NULL);
obj->cur_klass = super_klass;
obj->super = super;
EO_OBJ_DONE(eo_id);
return (Eo *) eo_id;
do_klass:
// efl_super(Class) is extremely rarely used, so TLS write is fine
EINA_SAFETY_ON_FALSE_RETURN_VAL(super, NULL);
_super_klass = super_klass;
return (Eo *) eo_id;
err:
_EO_POINTER_ERR(cur_klass, "Class (%p) is an invalid ref.", cur_klass);
return NULL;
#ifdef EO_DEBUG
err_obj:
_EO_POINTER_ERR(eo_id, "Object (%p) is an invalid ref, class=%p (%s).", eo_id, cur_klass, efl_class_name_get(cur_klass));
return NULL;
#endif
err_obj_hierarchy:
_EO_POINTER_ERR(eo_id, "Object (%p) class=%p (%s) is not an instance of class=%p (%s).", eo_id, efl_class_get(eo_id), efl_class_name_get(eo_id), cur_klass, efl_class_name_get(cur_klass));
return NULL;
}
EO_API Eo *
efl_super(const Eo *eo_id, const Efl_Class *cur_klass)
{
return _efl_super_cast(eo_id, cur_klass, EINA_TRUE);
}
EO_API Eo *
efl_cast(const Eo *eo_id, const Efl_Class *cur_klass)
{
return _efl_super_cast(eo_id, cur_klass, EINA_FALSE);
}
EO_API Eina_Bool
_efl_object_call_resolve(Eo *eo_id, const char *func_name, Efl_Object_Op_Call_Data *call, Efl_Object_Op op, const char *file, int line)
{
const _Efl_Class *klass, *main_klass;
const _Efl_Class *cur_klass = NULL;
_Eo_Object *obj = NULL;
const Eo_Vtable *vtable = NULL;
const op_type_funcs *func;
Eina_Bool super = EINA_TRUE;
if (EINA_UNLIKELY(!eo_id)) goto on_null;
EO_OBJ_POINTER_RETURN_VAL_PROXY(eo_id, _obj, EINA_FALSE);
obj = _obj;
klass = _obj->klass;
vtable = EO_VTABLE2(obj);
if (EINA_UNLIKELY(_obj->cur_klass != NULL))
{
// YES this is a goto with a label to return. this is a
// micro-optimization to move infrequent code out of the
// hot path of the function
goto obj_super;
}
obj_super_back:
_efl_ref(_obj);
main_klass = klass;
/* If we have a current class, we need to itr to the next. */
if (cur_klass)
{
// YES this is a goto with a label to return. this is a
// micro-optimization to move infrequent code out of the
// hot path of the function
goto ok_cur_klass;
}
else
{
func = _vtable_func_get(vtable, op);
EINA_PREFETCH_NOCACHE(func);
// this is not very likely to happen - but may if its an invalid
// call or a composite object, but either way, it's not very likely
// so make it a goto to save on instruction cache
if (!func) goto end;
}
ok_cur_klass_back:
if (EINA_LIKELY(func->func && func->src))
{
call->eo_id = eo_id;
call->obj = obj;
call->func = func->func;
call->data = _efl_data_scope_get(obj, func->src);
return EINA_TRUE;
}
// very unlikely in general to use a goto to move code out of l1 cache
// ie instruction cache
if (func->src != NULL) goto err_func_src;
end:
/* Try composite objects */
{
Eina_List *itr;
Eo *emb_obj_id;
EINA_LIST_FOREACH(obj->opt->composite_objects, itr, emb_obj_id)
{
EO_OBJ_POINTER_PROXY(emb_obj_id, emb_obj);
if (EINA_UNLIKELY(!emb_obj)) continue;
func = _vtable_func_get(&emb_obj->klass->vtable, op);
if (func == NULL) goto composite_continue;
if (EINA_LIKELY(func->func && func->src))
{
call->eo_id = _eo_obj_id_get(emb_obj);
call->obj = _efl_ref(emb_obj);
call->func = func->func;
call->data = _efl_data_scope_get(emb_obj, func->src);
/* We reffed it above, but no longer need/use it. */
_efl_unref(obj);
EO_OBJ_DONE(emb_obj_id);
return EINA_TRUE;
}
composite_continue:
EO_OBJ_DONE(emb_obj_id);
}
}
// all of this is error handling at the end so... rare-ish
// If it's a do_super call.
if (cur_klass)
{
ERR("in %s:%d: func '%s' (%d) could not be resolved on %s for class '%s' for super of '%s'.",
file, line, func_name, op, efl_debug_name_get(eo_id), main_klass->desc->name,
cur_klass->desc->name);
goto err;
}
else
{
/* we should not be able to take this branch */
ERR("in %s:%d: func '%s' (%d) could not be resolved on %s for class '%s'.",
file, line, func_name, op, efl_debug_name_get(eo_id), main_klass->desc->name);
goto err;
}
err_func_src:
ERR("in %s:%d: you called a pure virtual func '%s' (%d) of class '%s'.",
file, line, func_name, op, klass->desc->name);
err:
_apply_auto_unref(obj, eo_id);
_efl_unref(obj);
_eo_obj_pointer_done((Eo_Id)eo_id);
return EINA_FALSE;
// yes - special "move out of hot path" code blobs with goto's for
// speed reasons to have intr prefetches work better and miss less
ok_cur_klass:
func = _eo_kls_itr_next(klass, cur_klass, op, super);
if (!func) goto end;
klass = func->src;
goto ok_cur_klass_back;
obj_super:
{
cur_klass = obj->cur_klass;
super = obj->super;
obj->cur_klass = NULL;
if (_obj_is_override(obj) && cur_klass && super &&
(_eo_class_id_get(cur_klass) == EFL_OBJECT_OVERRIDE_CLASS))
{
/* Doing a efl_super(obj, EFL_OBJECT_OVERRIDE_CLASS) should
* result in calling as if it's a normal class. */
vtable = &klass->vtable;
cur_klass = NULL;
}
}
goto obj_super_back;
on_null:
if (EINA_UNLIKELY(efl_del_api_generation != _efl_object_init_generation))
{
_efl_del_api_op_id = _efl_object_api_op_id_get_internal(EFL_FUNC_COMMON_OP_FUNC(efl_del));
efl_del_api_generation = _efl_object_init_generation;
}
if (op != _efl_del_api_op_id)
WRN("NULL passed to function %s().", func_name);
return EINA_FALSE;
}
EO_API void
_efl_object_call_end(Efl_Object_Op_Call_Data *call)
{
if (EINA_LIKELY(!!call->obj))
{
_apply_auto_unref(call->obj, call->eo_id);
_efl_unref(call->obj);
_eo_obj_pointer_done((Eo_Id)call->eo_id);
}
}
static inline Eina_Bool
_eo_api_func_equal(const void *api_func1, const void *api_func2)
{
#ifndef _WIN32
return (api_func1 == api_func2);
#else
/* On Windows, DLL API's will be exported using the dllexport flag.
* When used by another library or executable, they will be declared
* using the dllimport flag. What happens really is that two symbols are
* created, at two different addresses. So it's impossible to match
* them. We fallback to plain string comparison based on the
* function name itself. Slow, but this should rarely happen.
*/
return (api_func2 && api_func1 && !strcmp(api_func2, api_func1));
#endif
}
static inline Efl_Object_Op
_efl_object_api_op_id_get_internal(const void *api_func)
{
eina_spinlock_take(&_ops_storage_lock);
#ifndef _WIN32
Efl_Object_Op op = (uintptr_t) eina_hash_find(_ops_storage, &api_func);
#else
Efl_Object_Op op = (uintptr_t) eina_hash_find(_ops_storage, api_func);
#endif
eina_spinlock_release(&_ops_storage_lock);
return op;
}
/* LEGACY, should be removed before next release */
EO_API Efl_Object_Op
_efl_object_api_op_id_get(const void *api_func)
{
Efl_Object_Op op = _efl_object_api_op_id_get_internal(api_func);
if (op == EFL_NOOP)
{
ERR("Unable to resolve op for api func %p", api_func);
}
return op;
}
EO_API Efl_Object_Op
_efl_object_op_api_id_get(const void *api_func, const Eo *eo_obj, const char *api_func_name, const char *file, int line)
{
Efl_Object_Op op;
#ifndef EO_DEBUG
if (!eo_obj) return EFL_NOOP;
#endif
op = _efl_object_api_op_id_get_internal(api_func);
if (op == EFL_NOOP)
{
EO_OBJ_POINTER(eo_obj, obj);
eina_log_print(_eo_log_dom, EINA_LOG_LEVEL_ERR,
file, api_func_name, line,
"Unable to resolve op for api func %p for obj=%p (%s)",
api_func, eo_obj, efl_class_name_get(eo_obj));
_apply_auto_unref(obj, eo_obj);
return EFL_NOOP;
}
return op;
}
/* klass is the klass we are working on. hierarchy_klass is the class whe should
* use when validating. */
static Eina_Bool
_eo_class_funcs_set(Eo_Vtable *vtable, const Efl_Object_Ops *ops, const _Efl_Class *hierarchy_klass, const _Efl_Class *klass, Eina_Bool override_only, unsigned int class_id, Eina_Bool *hitmap)
{
unsigned int i, j;
unsigned int number_of_new_functions = 0;
const Efl_Op_Description *op_desc;
const Efl_Op_Description *op_descs;
const _Efl_Class *override_class;
const void **api_funcs;
Eina_Bool check_equal;
op_descs = ops->descs;
override_class = override_only ? hierarchy_klass : NULL;
DBG("Set functions for class '%s':%p", klass->desc->name, klass);
if (!override_only)
_vtable_insert_empty_funcs(vtable, class_id);
if (!op_descs || !ops->count)
return EINA_TRUE;
#ifdef EO_DEBUG
check_equal = EINA_TRUE;
#else
check_equal = !override_only;
#endif
api_funcs = alloca(ops->count * sizeof(api_funcs[0]));
/* sanity checks */
for (i = 0, op_desc = op_descs; i < ops->count; i++, op_desc++)
{
if (op_desc->api_func == NULL)
{
ERR("Class '%s': NULL API not allowed (NULL->%p '%s').",
klass->desc->name, op_desc->func, _eo_op_desc_name_get(op_desc));
return EINA_FALSE;
}
if (check_equal)
{
for (j = 0; j < i; j++)
{
if (_eo_api_func_equal(op_desc->api_func, api_funcs[j]))
{
ERR("Class '%s': API previously defined (%p->%p '%s').",
klass->desc->name, op_desc->api_func, op_desc->func, _eo_op_desc_name_get(op_desc));
return EINA_FALSE;
}
}
api_funcs[i] = op_desc->api_func;
}
if (_efl_object_api_op_id_get_internal(op_desc->api_func) == EFL_NOOP)
{
number_of_new_functions ++;
}
}
if (!override_only)
{
if (number_of_new_functions)
{
//Before setting any real functions, allocate the node that will contain all the functions
_vtable_prepare_empty_node(vtable, number_of_new_functions, class_id);
}
hitmap[class_id] = EINA_TRUE;
}
for (i = 0, j = 0, op_desc = op_descs; i < ops->count; i++, op_desc++)
{
Efl_Object_Op op2 = EFL_NOOP;
short op2_class_id;
/* Get the opid for the function. */
op2 = _efl_object_api_op_id_get_internal(op_desc->api_func);
if (op2 == EFL_NOOP)
{
//functions that do not have a op yet, are considered to be belonging to this class
if (override_only)
{
ERR("Class '%s': Tried overriding a previously undefined function.", klass->desc->name);
return EINA_FALSE;
}
op2 = EFL_OBJECT_OP_CREATE_OP_ID(class_id, j);
eina_spinlock_take(&_ops_storage_lock);
#ifndef _WIN32
eina_hash_add(_ops_storage, &op_desc->api_func, (void *) (uintptr_t) op2);
#else
eina_hash_add(_ops_storage, op_desc->api_func, (void *) (uintptr_t) op2);
#endif
eina_spinlock_release(&_ops_storage_lock);
j ++;
}
#ifdef EO_DEBUG
DBG("%p->%p '%s'", op_desc->api_func, op_desc->func, _eo_op_desc_name_get(op_desc));
#endif
op2_class_id = EFL_OBJECT_OP_CLASS_PART(op2);
//in case we are having a function overwrite for a specific type, copy the relevant vtable
if (!hitmap[op2_class_id])
{
const Eo_Vtable_Node node = vtable->chain[op2_class_id];
_vtable_copy_node(&vtable->chain[op2_class_id], &node);
hitmap[op2_class_id] = EINA_TRUE;
}
if (!_vtable_func_set(vtable, klass, override_class, op2, op_desc->func, EINA_TRUE))
return EINA_FALSE;
}
return EINA_TRUE;
}
EO_API Eina_Bool
efl_class_functions_set(const Efl_Class *klass_id, const Efl_Object_Ops *object_ops, const Efl_Object_Property_Reflection_Ops *reflection_table)
{
EO_CLASS_POINTER_GOTO(klass_id, klass, err_klass);
Efl_Object_Ops empty_ops = { 0 };
Eina_Bool *hitmap;
// not likely so use goto to alleviate l1 instruction cache of rare code
if (klass->functions_set) goto err_funcs;
klass->functions_set = EINA_TRUE;
if (!object_ops) object_ops = &empty_ops;
klass->reflection = reflection_table;
klass->ops_count = object_ops->count;
klass->class_id = _UNMASK_ID(klass->header.id) - 1;
_vtable_init(&klass->vtable);
if (!klass->vtable.chain) goto err_vtable;
hitmap = alloca(klass->vtable.size);
memset(hitmap, 0, klass->vtable.size);
/* Merge in all required vtable entries */
{
const _Efl_Class **mro_itr = klass->mro;
/* take over everything from the parent */
if (klass->parent)
{
_vtable_take_over(&klass->vtable, &klass->parent->vtable);
}
/*
* - jump to the mro entry containing the parent
* - everything further from the parent to the next elements is already
* represented in the vtable of the parent.
*/
for ( ; *mro_itr ; mro_itr++)
{
if (*mro_itr == klass->parent)
break;
}
/**
* merge in all the APIs that are extended in the current klass for this first time.
* That means, they are not extended anywhere from the parent further up.
*/
for ( mro_itr-- ; mro_itr > klass->mro ; mro_itr--)
{
_vtable_merge_defined_api(&klass->vtable, &(*mro_itr)->vtable, hitmap);
}
/*
* add slots for the interfaces and mixins we are inheriting from
*/
for (int i = 0; klass->extensions[i]; i++)
{
const _Efl_Class *ext = klass->extensions[i];
/*for all extensions of the class, ensure that *at least* empty vtables are available, so the efl_isa calls do succeed*/
_vtable_merge_empty(&klass->vtable, &ext->vtable, hitmap);
}
}
{
unsigned int i;
for (i = 0; i < object_ops->count; i++)
{
Efl_Object_Op op = _efl_object_api_op_id_get_internal(object_ops->descs[i].api_func);
if (op == EFL_NOOP) continue; //EFL_NOOP means that this function is not yet defined, this will be handled later
short class_id = EFL_OBJECT_OP_CLASS_PART(op);
if (klass->vtable.chain[class_id].count == 0)
{
const _Efl_Class *required_klass = _eo_classes[class_id];
/* in case this type is not already inherited, error on everything that is not a mixin */
if (klass->desc->type == EFL_CLASS_TYPE_MIXIN)
{
/* this is when a mixin implemets a regular api, we just prepare a empty node, the rest will be implemented later */
_vtable_prepare_empty_node(&klass->vtable, required_klass->vtable.chain[class_id].count, class_id);
hitmap[class_id] = EINA_TRUE;
}
else
{
ERR("There is an API implemented, whoms type is not part of this class. %s vs. %s", klass->desc->name, required_klass->desc->name);
_vtable_prepare_empty_node(&klass->vtable, required_klass->vtable.chain[class_id].count, class_id);
hitmap[class_id] = EINA_TRUE;
}
}
}
}
return _eo_class_funcs_set(&klass->vtable, object_ops, klass, klass, EINA_FALSE, klass->class_id, hitmap);
err_funcs:
ERR("Class %s already had its functions set..", klass->desc->name);
return EINA_FALSE;
err_klass:
_EO_POINTER_ERR(klass_id, "Class (%p) is an invalid ref.", klass_id);
return EINA_FALSE;
err_vtable:
ERR("failed to allocate vtable for class '%s'", klass->desc->name);
return EINA_FALSE;
}
static Eo *
_efl_add_internal_start_do(const char *file, int line, const Efl_Class *klass_id, Eo *parent_id, Eina_Bool ref, Eina_Bool is_fallback, Efl_Substitute_Ctor_Cb substitute_ctor, void *sub_ctor_data)
{
const char *func_name = __func__;
_Eo_Object *obj;
Eo_Stack_Frame *fptr = NULL;
if (is_fallback) fptr = _efl_add_fallback_stack_push(NULL);
if (class_overrides)
{
const Efl_Class *override = eina_hash_find(class_overrides, &klass_id);
if (override) klass_id = override;
}
EO_CLASS_POINTER_GOTO_PROXY(klass_id, klass, err_klass);
// Check that in the case of efl_add we do pass a parent.
if (!ref && !parent_id)
ERR("Creation of '%s' object at line %i in '%s' is done without parent. This should use efl_add_ref.",
klass->desc->name, line, file);
if (parent_id)
{
EO_OBJ_POINTER_GOTO_PROXY(parent_id, parent, err_parent);
}
// not likely so use goto to alleviate l1 instruction cache of rare code
if (EINA_UNLIKELY(klass->desc->type != EFL_CLASS_TYPE_REGULAR))
goto err_noreg;
eina_spinlock_take(&klass->objects.trash_lock);
obj = eina_trash_pop(&klass->objects.trash);
if (obj)
{
memset(obj, 0, klass->obj_size);
klass->objects.trash_count--;
}
else
{
obj = calloc(1, klass->obj_size);
}
eina_spinlock_release(&klass->objects.trash_lock);
obj->opt = eina_cow_alloc(efl_object_optional_cow);
_efl_ref(obj);
obj->klass = klass;
obj->header.id = _eo_id_allocate(obj, parent_id);
Eo *eo_id = _eo_obj_id_get(obj);
_eo_log_obj_ref_op(obj, EO_REF_OP_NEW);
_eo_condtor_reset(obj);
efl_ref(eo_id);
/* Reference for the parent if is_ref is done in _efl_add_end */
if (parent_id) efl_parent_set(eo_id, parent_id);
/* eo_id can change here. Freeing is done on the resolved object. */
if (!substitute_ctor) eo_id = efl_constructor(eo_id);
else eo_id = substitute_ctor(sub_ctor_data, eo_id);
// not likely so use goto to alleviate l1 instruction cache of rare code
if (!eo_id) goto err_noid;
// not likely so use goto to alleviate l1 instruction cache of rare code
else if (eo_id != _eo_obj_id_get(obj)) goto ok_nomatch;
ok_nomatch_back:
if (is_fallback) fptr->obj = eo_id;
if (parent_id) EO_OBJ_DONE(parent_id);
return eo_id;
ok_nomatch:
{
EO_OBJ_POINTER_GOTO_PROXY(eo_id, new_obj, err_newid);
_efl_ref(new_obj);
efl_ref(eo_id);
/* We might have two refs on the old object at this point. */
efl_parent_set((Eo *) obj->header.id, NULL);
efl_unref(_eo_obj_id_get(obj));
_efl_unref(obj);
EO_OBJ_DONE(eo_id);
}
goto ok_nomatch_back;
err_noid:
ERR("in %s:%d: Object of class '%s' - Error while constructing object",
file, line, klass->desc->name);
/* We might have two refs at this point. */
efl_parent_set((Eo *) obj->header.id, NULL);
efl_unref(_eo_obj_id_get(obj));
_efl_unref(obj);
err_newid:
if (parent_id) EO_OBJ_DONE(parent_id);
return NULL;
err_noreg:
ERR("in %s:%d: Class '%s' is not instantiate-able. Aborting.", file, line, klass->desc->name);
if (parent_id) EO_OBJ_DONE(parent_id);
return NULL;
err_klass:
_EO_POINTER_ERR(klass_id, "in %s:%d: Class (%p) is an invalid ref.", file, line, klass_id);
err_parent:
return NULL;
}
EO_API Eo *
_efl_add_internal_start(const char *file, int line, const Efl_Class *klass_id, Eo *parent_id, Eina_Bool ref, Eina_Bool is_fallback)
{
return _efl_add_internal_start_do(file, line, klass_id, parent_id, ref, is_fallback, NULL, NULL);
}
EO_API Eo * _efl_add_internal_start_bindings(const char *file, int line, const Efl_Class *klass_id, Eo *parent_id, Eina_Bool ref, Eina_Bool is_fallback, Efl_Substitute_Ctor_Cb substitute_ctor, void *sub_ctor_data)
{
return _efl_add_internal_start_do(file, line, klass_id, parent_id, ref, is_fallback, substitute_ctor, sub_ctor_data);
}
static Eo *
_efl_add_internal_end(Eo *eo_id, Eo *finalized_id)
{
EO_OBJ_POINTER_RETURN_VAL(eo_id, obj, NULL);
// rare so move error handling to end to save l1 instruction cache
if (!obj->condtor_done) goto err_condtor;
if (!finalized_id)
{
// XXX: Given EFL usage of objects, construction is a perfectly valid thing
// to do. we shouldn't complain about it as handling a NULL obj creation is
// the job of the caller. a perfect example here is ecore_con and ecore_ipc
// where you create a con or ipc obj then set up type/destination/port and
// the finalize of the constructor does the actual connect and thus this
// fails or succeeds based on if service is there.
//
// until there is a better solution - don't complain here.
//
// ERR("Object of class '%s' - Finalizing the object failed.",
// klass->desc->name);
goto cleanup;
}
obj->finalized = EINA_TRUE;
_efl_unref(obj);
EO_OBJ_DONE(eo_id);
return (Eo *)eo_id;
err_condtor:
{
const _Efl_Class *klass = obj->klass;
ERR("Object of class '%s' - Not all of the object constructors have been executed.",
klass->desc->name);
}
cleanup:
efl_parent_set((Eo *) obj->header.id, NULL);
efl_unref((Eo *) obj->header.id);
_efl_unref(obj);
EO_OBJ_DONE(eo_id);
return NULL;
}
EO_API Eo *
_efl_add_end(Eo *eo_id, Eina_Bool is_ref, Eina_Bool is_fallback)
{
if (!eo_id) return NULL;
Eo *ret = efl_finalize(eo_id);
ret = _efl_add_internal_end(eo_id, ret);
if (ret && !is_ref)
{
efl_unref(ret);
}
if (is_fallback)
{
_efl_add_fallback_stack_pop();
}
return ret;
}
EO_API void
efl_reuse(const Eo *eo_id)
{
Eo *obj = (Eo *) eo_id;
EO_OBJ_POINTER_RETURN(obj, _obj);
efl_object_override(obj, NULL);
_efl_object_reuse(_obj);
#ifdef EO_DEBUG
_eo_log_obj_ref_op(_obj, EO_REF_OP_REUSE);
#endif
EO_OBJ_DONE(eo_id);
}
void
_eo_free(_Eo_Object *obj, Eina_Bool manual_free EINA_UNUSED)
{
_Efl_Class *klass = (_Efl_Class*) obj->klass;
_eo_log_obj_ref_op(obj, EO_REF_OP_FREE);
#ifdef EO_DEBUG
if (manual_free)
{
Eo *obj_id = _eo_obj_id_get(obj);
if (obj->datarefcount)
{
ERR("Object %p data still referenced %d time(s).", obj_id, obj->datarefcount);
}
while (obj->xrefs)
{
Eina_Inlist *nitr = obj->xrefs->next;
Eo_Xref_Node *xref = EINA_INLIST_CONTAINER_GET(obj->data_xrefs, Eo_Xref_Node);
ERR("Object %p is still referenced by object %p. Origin: %s:%d",
obj_id, xref->ref_obj, xref->file, xref->line);
eina_freeq_ptr_main_add(xref, free, sizeof(*xref));
obj->xrefs = nitr;
}
while (obj->data_xrefs)
{
Eina_Inlist *nitr = obj->data_xrefs->next;
Eo_Xref_Node *xref = EINA_INLIST_CONTAINER_GET(obj->data_xrefs, Eo_Xref_Node);
if (obj_id == xref->ref_obj)
{
WRN("Object %p still has a reference to its own data (subclass: %s). Origin: %s:%d",
obj_id, xref->data_klass, xref->file, xref->line);
}
else
{
ERR("Data of object %p (subclass: %s) is still referenced by object %p. Origin: %s:%d",
obj_id, xref->data_klass, xref->ref_obj, xref->file, xref->line);
}
eina_freeq_ptr_main_add(xref, free, sizeof(*xref));
obj->data_xrefs = nitr;
}
}
#endif
if (obj->opt && _obj_is_override(obj))
{
_vtable_free(obj->opt->vtable, &obj->klass->vtable);
EO_OPTIONAL_COW_SET(obj, vtable, NULL);
}
_eo_id_release((Eo_Id) _eo_obj_id_get(obj));
eina_cow_free(efl_object_optional_cow, (Eina_Cow_Data *) &obj->opt);
eina_spinlock_take(&klass->objects.trash_lock);
if ((klass->objects.trash_count <= 8) && (EINA_LIKELY(!_eo_trash_bypass)))
{
eina_trash_push(&klass->objects.trash, obj);
klass->objects.trash_count++;
}
else
{
eina_freeq_ptr_main_add(obj, free, klass->obj_size);
}
eina_spinlock_release(&klass->objects.trash_lock);
}
/*****************************************************************************/
EO_API const Efl_Class *
efl_class_get(const Eo *eo_id)
{
const Efl_Class *klass;
if (_eo_is_a_class(eo_id))
{
EO_CLASS_POINTER_GOTO(eo_id, _klass, err_klass);
return EFL_CLASS_CLASS;
}
EO_OBJ_POINTER_GOTO(eo_id, obj, err_obj);
klass = _eo_class_id_get(obj->klass);
EO_OBJ_DONE(eo_id);
return klass;
err_klass:
_EO_POINTER_ERR(eo_id, "Class (%p) is an invalid ref.", eo_id);
err_obj:
return NULL;
}
EO_API const char *
efl_class_name_get(const Efl_Class *eo_id)
{
const _Efl_Class *klass;
if (_eo_is_a_class(eo_id))
{
EO_CLASS_POINTER_GOTO(eo_id, _klass, err_klass);
klass = _klass;
}
else
{
EO_OBJ_POINTER_GOTO(eo_id, obj, err_obj);
klass = obj->klass;
EO_OBJ_DONE(eo_id);
}
return klass->desc->name;
err_klass:
_EO_POINTER_ERR(eo_id, "Class (%p) is an invalid ref.", eo_id);
err_obj:
return NULL;
}
EO_API size_t
efl_class_memory_size_get(const Efl_Class *eo_id)
{
const _Efl_Class *klass;
if (_eo_is_a_class(eo_id))
{
EO_CLASS_POINTER_GOTO(eo_id, _klass, err_klass);
klass = _klass;
}
else
{
EO_OBJ_POINTER_GOTO(eo_id, obj, err_obj);
klass = obj->klass;
EO_OBJ_DONE(eo_id);
}
return klass->obj_size;
err_klass:
_EO_POINTER_ERR(eo_id, "Class (%p) is an invalid ref.", eo_id);
err_obj:
return 0;
}
static Eina_Bool
_eo_class_mro_has(const _Efl_Class *klass, const _Efl_Class *find)
{
const _Efl_Class **itr;
for (itr = klass->mro ; *itr ; itr++)
{
if (*itr == find)
{
return EINA_TRUE;
}
}
return EINA_FALSE;
}
static Eina_List *
_eo_class_list_remove_duplicates(Eina_List* list)
{
Eina_List *itr1, *itr2, *itr2n;
itr1 = eina_list_last(list);
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))
{
list = eina_list_remove_list(list, itr2);
}
itr2 = itr2n;
}
itr1 = eina_list_prev(itr1);
}
return list;
}
static Eina_List *
_eo_class_mro_add(Eina_List *mro, const _Efl_Class *klass)
{
if (!klass)
return mro;
mro = eina_list_append(mro, klass);
/* Recursively add MIXINS extensions. */
{
const _Efl_Class **extn_itr;
for (extn_itr = klass->extensions ; *extn_itr ; extn_itr++)
{
const _Efl_Class *extn = *extn_itr;
if (extn->desc->type == EFL_CLASS_TYPE_MIXIN)
mro = _eo_class_mro_add(mro, extn);
}
}
mro = _eo_class_mro_add(mro, klass->parent);
return mro;
}
static Eina_List *
_eo_class_mro_init(const Efl_Class_Description *desc, const _Efl_Class *parent, Eina_List *extensions)
{
Eina_List *mro = NULL;
Eina_List *extn_itr = NULL;
Eina_List *extn_pos = NULL;
const _Efl_Class *extn = NULL;
/* Add MIXINS extensions. */
EINA_LIST_FOREACH(extensions, extn_itr, extn)
{
if (extn->desc->type != EFL_CLASS_TYPE_MIXIN)
continue;
mro = _eo_class_mro_add(mro, extn);
extn_pos = eina_list_append(extn_pos, eina_list_last(mro));
}
/* Check if we can create a consistent mro */
{
Eina_List *itr = extn_pos;
EINA_LIST_FOREACH(extensions, extn_itr, extn)
{
if (extn->desc->type != EFL_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);
eina_list_free(extn_pos);
ERR("Cannot create a consistent method resolution order for class '%s' because of '%s'.", desc->name, extn->desc->name);
return NULL;
}
itr = eina_list_next(itr);
}
}
eina_list_free(extn_pos);
mro = _eo_class_mro_add(mro, parent);
mro = _eo_class_list_remove_duplicates(mro);
/* Will be replaced with the actual class pointer */
mro = eina_list_prepend(mro, NULL);
return mro;
}
static Eina_Bool
_eo_class_initializer(_Efl_Class *klass)
{
if (klass->desc->class_initializer)
return klass->desc->class_initializer(_eo_class_id_get(klass));
return EINA_TRUE;
}
static void
_eo_class_constructor(_Efl_Class *klass)
{
klass->constructed = EINA_TRUE;
klass->construction_thread = eina_thread_self();
if (klass->desc->class_constructor)
klass->desc->class_constructor(_eo_class_id_get(klass));
}
static void
eo_class_free(_Efl_Class *klass)
{
void *data;
Eina_Thread self = eina_thread_self();
if ((self != _efl_object_main_thread) &&
(self != klass->construction_thread))
CRI("Calling class deconstructor from thread that did not call constructor and is not main thread!\n"
"This will probably crash!");
if (klass->constructed)
{
if (klass->desc->class_destructor)
klass->desc->class_destructor(_eo_class_id_get(klass));
_vtable_mro_free(klass);
_vtable_free(&klass->vtable, NULL);
}
EINA_TRASH_CLEAN(&klass->objects.trash, data)
eina_freeq_ptr_main_add(data, free, klass->obj_size);
EINA_TRASH_CLEAN(&klass->iterators.trash, data)
eina_freeq_ptr_main_add(data, free, 0);
eina_spinlock_free(&klass->objects.trash_lock);
eina_spinlock_free(&klass->iterators.trash_lock);
eina_freeq_ptr_main_add(klass, free, 0);
}
static inline void
_eo_classes_release(void)
{
#ifdef HAVE_MMAP
# ifdef HAVE_VALGRIND
if (RUNNING_ON_VALGRIND) free(_eo_classes);
else
# endif
{
size_t size;
size = _eo_classes_alloc * sizeof(_Efl_Class *);
if (_eo_classes) munmap(_eo_classes, size);
}
#else
free(_eo_classes);
#endif
_eo_classes = NULL;
_eo_classes_last_id = 0;
_eo_classes_alloc = 0;
}
static inline void
_eo_classes_expand(void)
{
unsigned char *ptr;
size_t newsize, psize;
_eo_classes_last_id++;
if (_eo_classes_last_id <= _eo_classes_alloc) return;
psize = _eo_classes_alloc * sizeof(_Efl_Class *);
#ifdef HAVE_MMAP
# ifdef HAVE_VALGRIND
if (RUNNING_ON_VALGRIND)
{
_eo_classes_alloc += 128;
newsize = _eo_classes_alloc * sizeof(_Efl_Class *);
ptr = realloc(_eo_classes, newsize);
if (!ptr)
{
ERR("realloc of eo class table region faile!!");
abort();
}
}
else
# endif
{
_eo_classes_alloc += (MEM_PAGE_SIZE / sizeof(_Efl_Class *));
newsize = _eo_classes_alloc * sizeof(_Efl_Class *);
ptr = mmap(NULL, newsize, PROT_READ | PROT_WRITE,
MAP_PRIVATE | MAP_ANON, -1, 0);
if (ptr == MAP_FAILED)
{
ERR("mmap of eo class table region failed!");
abort();
}
if (psize > 0) memcpy(ptr, _eo_classes, psize);
if (_eo_classes) munmap(_eo_classes, psize);
}
#else
_eo_classes_alloc += 128;
newsize = _eo_classes_alloc * sizeof(_Efl_Class *);
ptr = realloc(_eo_classes, newsize);
if (!ptr)
{
ERR("realloc of eo class table region faile!!");
abort();
}
#endif
memset(ptr + psize, 0, newsize - psize);
_eo_classes = (_Efl_Class **)ptr;
}
EO_API const Efl_Class *
efl_class_new(const Efl_Class_Description *desc, const Efl_Class *parent_id, ...)
{
_Efl_Class *klass;
va_list p_list;
size_t extn_sz, mro_sz, mixins_sz;
Eina_List *extn_list, *mro, *mixins;
_Efl_Class *parent = NULL;
EINA_SAFETY_ON_NULL_RETURN_VAL(desc, NULL);
EINA_SAFETY_ON_NULL_RETURN_VAL(desc->name, NULL);
if (parent_id)
{
parent = _eo_class_pointer_get(parent_id);
if (!parent)
return NULL;
}
/* Check restrictions on Interface types. */
if (desc->type == EFL_CLASS_TYPE_INTERFACE)
{
EINA_SAFETY_ON_FALSE_RETURN_VAL(!desc->data_size, NULL);
}
/* Check parent */
if (parent)
{
/* Verify the inheritance is allowed. */
switch (desc->type)
{
case EFL_CLASS_TYPE_REGULAR:
case EFL_CLASS_TYPE_REGULAR_NO_INSTANT:
if ((parent->desc->type != EFL_CLASS_TYPE_REGULAR) &&
(parent->desc->type != EFL_CLASS_TYPE_REGULAR_NO_INSTANT))
{
ERR("Regular classes ('%s') aren't allowed to inherit from non-regular classes ('%s').",
desc->name, parent->desc->name);
return NULL;
}
break;
case EFL_CLASS_TYPE_INTERFACE:
case EFL_CLASS_TYPE_MIXIN:
if ((parent->desc->type != EFL_CLASS_TYPE_INTERFACE) &&
(parent->desc->type != EFL_CLASS_TYPE_MIXIN))
{
ERR("Non-regular classes ('%s') aren't allowed to inherit from regular classes ('%s').",
desc->name, parent->desc->name);
return NULL;
}
break;
default:
ERR("type cannot be INVALID");
return NULL;
}
}
/* Build class extensions list */
{
DBG("Started building extensions list for class '%s'", desc->name);
extn_list = NULL;
const _Efl_Class *extn = NULL;
const Eo_Id *extn_id = NULL;
va_start(p_list, parent_id);
extn_id = va_arg(p_list, Eo_Id *);
while (extn_id)
{
extn = _eo_class_pointer_get((Efl_Class *)extn_id);
if (EINA_LIKELY(extn != NULL))
{
switch (extn->desc->type)
{
case EFL_CLASS_TYPE_REGULAR_NO_INSTANT:
case EFL_CLASS_TYPE_REGULAR:
case EFL_CLASS_TYPE_INTERFACE:
case EFL_CLASS_TYPE_MIXIN:
extn_list = eina_list_append(extn_list, extn);
break;
default:
ERR("type cannot be INVALID");
va_end(p_list);
return NULL;
}
}
extn_id = va_arg(p_list, Eo_Id *);
}
va_end(p_list);
extn_list = _eo_class_list_remove_duplicates(extn_list);
extn_sz = sizeof(_Efl_Class *) * (eina_list_count(extn_list) + 1);
DBG("Finished building extensions list for class '%s'", desc->name);
}
/* Prepare mro list */
{
DBG("Started building MRO list for class '%s'", desc->name);
mro = _eo_class_mro_init(desc, parent, extn_list);
if (!mro)
{
eina_list_free(extn_list);
return NULL;
}
mro_sz = sizeof(_Efl_Class *) * (eina_list_count(mro) + 1);
DBG("Finished building MRO list for class '%s'", desc->name);
}
/* Prepare mixins list */
{
Eina_List *itr;
const _Efl_Class *kls_itr;
DBG("Started building Mixins list for class '%s'", desc->name);
mixins = NULL;
EINA_LIST_FOREACH(mro, itr, kls_itr)
{
if ((kls_itr) && (kls_itr->desc->type == EFL_CLASS_TYPE_MIXIN) &&
(kls_itr->desc->data_size > 0))
mixins = eina_list_append(mixins, kls_itr);
}
mixins_sz = sizeof(Eo_Extension_Data_Offset) * (eina_list_count(mixins) + 1);
if ((desc->type == EFL_CLASS_TYPE_MIXIN) && (desc->data_size > 0))
mixins_sz += sizeof(Eo_Extension_Data_Offset);
DBG("Finished building Mixins list for class '%s'", desc->name);
}
klass = calloc(1, _eo_class_sz + extn_sz + mro_sz + mixins_sz);
eina_spinlock_new(&klass->objects.trash_lock);
eina_spinlock_new(&klass->iterators.trash_lock);
klass->parent = parent;
klass->desc = desc;
klass->extensions = (const _Efl_Class **) ((char *) klass + _eo_class_sz);
klass->mro = (const _Efl_Class **) ((char *) klass->extensions + extn_sz);
klass->extn_data_off = (Eo_Extension_Data_Offset *) ((char *) klass->mro + mro_sz);
if (klass->parent)
{
/* FIXME: Make sure this alignment is enough. */
klass->data_offset = klass->parent->data_offset +
EO_ALIGN_SIZE(klass->parent->desc->data_size);
}
else
{
/* Data starts after the object size. */
klass->data_offset = _eo_sz;
}
mro = eina_list_remove(mro, NULL);
mro = eina_list_prepend(mro, klass);
if ((desc->type == EFL_CLASS_TYPE_MIXIN) && (desc->data_size > 0))
{
mixins = eina_list_prepend(mixins, klass);
}
/* Copy the extensions and free the list */
{
const _Efl_Class *extn = NULL;
const _Efl_Class **extn_itr = klass->extensions;
EINA_LIST_FREE(extn_list, extn)
{
*(extn_itr++) = extn;
DBG("Added '%s' extension", extn->desc->name);
}
*(extn_itr) = NULL;
}
/* Copy the mro and free the list. */
{
const _Efl_Class *kls_itr = NULL;
const _Efl_Class **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;
}
size_t extn_data_off = klass->data_offset;
if (klass->desc->type != EFL_CLASS_TYPE_MIXIN)
{
extn_data_off += EO_ALIGN_SIZE(klass->desc->data_size);
}
/* Feed the mixins data offsets and free the mixins list. */
{
const _Efl_Class *kls_itr = NULL;
Eo_Extension_Data_Offset *extn_data_itr = klass->extn_data_off;
EINA_LIST_FREE(mixins, kls_itr)
{
extn_data_itr->klass = kls_itr;
extn_data_itr->offset = extn_data_off;
extn_data_off += EO_ALIGN_SIZE(extn_data_itr->klass->desc->data_size);
extn_data_itr++;
DBG("Added '%s' to Data Offset info", kls_itr->desc->name);
}
extn_data_itr->klass = 0;
extn_data_itr->offset = 0;
}
klass->obj_size = extn_data_off;
{
Eo_Id new_id;
eina_lock_take(&_efl_class_creation_lock);
new_id = (_eo_classes_last_id + 1) | MASK_CLASS_TAG;
_eo_classes_expand();
_eo_classes[_UNMASK_ID(new_id) - 1] = klass;
eina_lock_release(&_efl_class_creation_lock);
klass->header.id = new_id;
}
if (!_eo_class_initializer(klass))
{
return NULL;
}
/* If functions haven't been set, invoke it with an empty ops structure. */
if (!klass->functions_set)
{
efl_class_functions_set(_eo_class_id_get(klass), NULL, NULL);
}
_eo_class_constructor(klass);
DBG("Finished building class '%s'", klass->desc->name);
return _eo_class_id_get(klass);
}
EO_API Eina_Bool
efl_object_override(Eo *eo_id, const Efl_Object_Ops *ops)
{
EO_OBJ_POINTER_RETURN_VAL(eo_id, obj, EINA_FALSE);
EO_CLASS_POINTER_GOTO(EFL_OBJECT_OVERRIDE_CLASS, klass, err);
if (ops)
{
Eo_Vtable *vtable = obj->opt->vtable;
//copy all the vtable nodes that we are going to change later on
Eina_Bool *hitmap;
if (!vtable)
{
vtable = calloc(1, sizeof(*vtable));
_vtable_init_size(vtable, obj->klass->vtable.size);
_vtable_take_over(vtable, &obj->klass->vtable);
}
hitmap = alloca(vtable->size * sizeof(Eina_Bool));
memset(hitmap, 0, vtable->size);
if (!_eo_class_funcs_set(vtable, ops, obj->klass, klass, EINA_TRUE, obj->klass->class_id, hitmap))
{
ERR("Failed to override functions for %s@%p. All previous "
"overrides have been reset.", obj->klass->desc->name, eo_id);
if (obj->opt->vtable == vtable)
{
EO_OPTIONAL_COW_SET(obj, vtable, NULL);
}
else
{
_vtable_free(vtable, &obj->klass->vtable);
free(vtable);
}
goto err;
}
EO_OPTIONAL_COW_SET(obj, vtable, vtable);
}
else
{
if (obj->opt->vtable)
{
_vtable_free(obj->opt->vtable, &obj->klass->vtable);
EO_OPTIONAL_COW_SET(obj, vtable, NULL);
}
}
EO_OBJ_DONE(eo_id);
return EINA_TRUE;
err:
EO_OBJ_DONE(eo_id);
return EINA_FALSE;
}
EO_API Eina_Bool
efl_isa(const Eo *eo_id, const Efl_Class *klass_id)
{
Efl_Id_Domain domain;
Eo_Id_Data *data;
Eo_Id_Table_Data *tdata;
Eina_Bool isa = EINA_FALSE;
if (EINA_UNLIKELY(!eo_id)) return EINA_FALSE;
// Everything can add a override to an existing class, which pretty much means, everything is a efl override
// This is required in order to support our debug-profile for the users of efl_override
if (EINA_UNLIKELY(klass_id == EFL_OBJECT_OVERRIDE_CLASS)) return EINA_TRUE;
// Case where we are looking if eo_id is a class that contain klass_id
if (EINA_UNLIKELY(_eo_is_a_class(eo_id)))
{
EO_CLASS_POINTER_GOTO(klass_id, klass, err_class);
EO_CLASS_POINTER_GOTO(eo_id, lookinto, err_class0);
if (EINA_UNLIKELY(lookinto->vtable.size <= klass->class_id))
return EINA_FALSE;
return !!lookinto->vtable.chain[klass->class_id].funcs;
}
domain = ((Eo_Id)eo_id >> SHIFT_DOMAIN) & MASK_DOMAIN;
data = _eo_table_data_get();
tdata = _eo_table_data_table_get(data, domain);
if (EINA_UNLIKELY(!tdata)) goto err;
if (EINA_LIKELY(domain != EFL_ID_DOMAIN_SHARED))
{
if ((tdata->cache.isa_id == eo_id) &&
(tdata->cache.klass == klass_id))
{
isa = tdata->cache.isa;
return isa;
}
EO_OBJ_POINTER_GOTO(eo_id, obj, err_obj);
EO_CLASS_POINTER_GOTO(klass_id, klass, err_class);
const Eo_Vtable vtable = obj->klass->vtable;
if (EINA_UNLIKELY(vtable.size <= klass->class_id))
return EINA_FALSE;
isa = !!vtable.chain[klass->class_id].funcs;
// Caching the result as we do a lot of serial efl_isa due to evas_object_image using it.
tdata->cache.isa_id = eo_id;
tdata->cache.klass = klass_id;
tdata->cache.isa = isa;
}
else
{
eina_lock_take(&(_eo_table_data_shared_data->obj_lock));
if ((tdata->cache.isa_id == eo_id) &&
(tdata->cache.klass == klass_id))
{
isa = tdata->cache.isa;
// since this is the cache we hope this gets a lot of hits and
// thus lets assume the hit is the mot important thing thus
// put the lock release and return here inline in the l1
// instruction cache hopefully already fetched
eina_lock_release(&(_eo_table_data_shared_data->obj_lock));
return isa;
}
EO_OBJ_POINTER_GOTO(eo_id, obj, err_shared_obj);
EO_CLASS_POINTER_GOTO(klass_id, klass, err_shared_class);
if (EINA_UNLIKELY(obj->klass->vtable.size <= klass->class_id))
goto err_vtable;
isa = !!obj->klass->vtable.chain[klass->class_id].funcs;
// Caching the result as we do a lot of serial efl_isa due to evas_object_image using it.
tdata->cache.isa_id = eo_id;
tdata->cache.klass = klass_id;
tdata->cache.isa = isa;
err_vtable:
EO_OBJ_DONE(eo_id);
eina_lock_release(&(_eo_table_data_shared_data->obj_lock));
}
return isa;
err_shared_class: EINA_COLD
_EO_POINTER_ERR(klass_id, "Class (%p) is an invalid ref.", klass_id);
EO_OBJ_DONE(eo_id);
err_shared_obj: EINA_COLD
eina_lock_release(&(_eo_table_data_shared_data->obj_lock));
return EINA_FALSE;
err_class0:
_EO_POINTER_ERR(eo_id, "Class (%p) is an invalid ref.", eo_id);
return EINA_FALSE;
err_class: EINA_COLD
_EO_POINTER_ERR(klass_id, "Class (%p) is an invalid ref.", klass_id);
err_obj:
return EINA_FALSE;
err: EINA_COLD
ERR("Object %p is not a valid object in this context: object domain: %d, "
"current domain: %d, local domain: %d, available domains: [%s %s %s %s]."
" Are you trying to access this object from another thread?",
eo_id, (int)domain,
(int)data->domain_stack[data->stack_top], (int)data->local_domain,
(data->tables[0]) ? "0" : " ", (data->tables[1]) ? "1" : " ",
(data->tables[2]) ? "2" : " ", (data->tables[3]) ? "3" : " ");
return EINA_FALSE;
}
EO_API Eo *
efl_xref_internal(const char *file, int line, Eo *obj_id, const Eo *ref_obj_id)
{
efl_ref(obj_id);
#ifdef EO_DEBUG
const char *func_name = __func__;
EO_OBJ_POINTER_RETURN_VAL_PROXY(obj_id, obj, obj_id);
Eo_Xref_Node *xref = calloc(1, sizeof(*xref));
xref->ref_obj = ref_obj_id;
xref->file = file;
xref->line = line;
obj->xrefs = eina_inlist_prepend(obj->xrefs, EINA_INLIST_GET(xref));
EO_OBJ_DONE(obj_id);
#else
(void) ref_obj_id;
(void) file;
(void) line;
#endif
return obj_id;
}
EO_API void
efl_xunref(Eo *obj_id, const Eo *ref_obj_id)
{
EO_OBJ_POINTER_RETURN(obj_id, obj);
#ifdef EO_DEBUG
Eo_Xref_Node *xref = NULL;
EINA_INLIST_FOREACH(obj->xrefs, xref)
{
if (xref->ref_obj == ref_obj_id)
break;
}
if (xref)
{
obj->xrefs = eina_inlist_remove(obj->xrefs, EINA_INLIST_GET(xref));
eina_freeq_ptr_main_add(xref, free, sizeof(*xref));
}
else
{
ERR("ref_obj (%p) does not reference obj (%p). Aborting unref.", ref_obj_id, obj_id);
EO_OBJ_DONE(obj_id);
return;
}
EO_OBJ_DONE(obj_id);
#else
(void) ref_obj_id;
#endif
efl_unref(obj_id);
}
EO_API Eo *
efl_ref(const Eo *obj_id)
{
EO_OBJ_POINTER_RETURN_VAL(obj_id, obj, (Eo *)obj_id);
++(obj->user_refcount);
if (EINA_UNLIKELY(obj->user_refcount == 1))
_efl_ref(obj);
else if (EINA_UNLIKELY(obj->ownership_track && obj->user_refcount == 2))
efl_event_callback_call((Eo *) obj_id, EFL_EVENT_OWNERSHIP_SHARED, NULL);
#ifdef EO_DEBUG
_eo_log_obj_ref_op(obj, EO_REF_OP_REF);
#endif
EO_OBJ_DONE(obj_id);
return (Eo *)obj_id;
}
EO_API void
efl_unref(const Eo *obj_id)
{
EO_OBJ_POINTER_RETURN(obj_id, obj);
if (EINA_UNLIKELY((!obj->unref_compensate && obj->user_refcount == 1 && obj->parent) ||
(obj->unref_compensate && obj->user_refcount == 2 && obj->parent)))
{
if (!obj->allow_parent_unref)
CRI("Calling efl_unref instead of efl_del or efl_parent_set(NULL). Temporary fallback in place triggered.");
EO_OBJ_DONE(obj_id);
efl_del(obj_id);
return ;
}
_efl_ref(obj);
if (EINA_UNLIKELY((obj->noref_event) && (!obj->unref_compensate) &&
((obj->user_refcount == 1 && !obj->parent) ||
(obj->user_refcount == 2 && obj->parent))))
{
// We need to report efl_ref_count correctly during EFL_EVENT_NOREF, so fake it
// by adjusting efl_ref_count while inside efl_unref (This should avoid
// infinite loop)
obj->unref_compensate = EINA_TRUE;
// The noref event should happen before any object in the
// tree get affected by the change in refcount.
efl_event_callback_call((Eo *) obj_id, EFL_EVENT_NOREF, NULL);
obj->unref_compensate = EINA_FALSE;
}
--(obj->user_refcount);
#ifdef EO_DEBUG
_eo_log_obj_ref_op(obj, EO_REF_OP_UNREF);
#endif
if (EINA_UNLIKELY((obj->user_refcount <= 0)))
{
if (obj->user_refcount < 0)
{
ERR("Obj:%s@%p. User refcount (%d) < 0. Too many unrefs.",
obj->klass->desc->name, obj_id, obj->user_refcount);
_eo_log_obj_report((Eo_Id)obj_id, EINA_LOG_LEVEL_ERR, __func__, __FILE__, __LINE__);
EO_OBJ_DONE(obj_id);
_efl_unref(obj);
return;
}
_efl_unref(obj);
}
else if (EINA_UNLIKELY(obj->ownership_track && obj->user_refcount == 1))
{
efl_event_callback_call((Eo *) obj_id, EFL_EVENT_OWNERSHIP_UNIQUE, NULL);
}
_apply_auto_unref(obj, obj_id);
_efl_unref(obj);
EO_OBJ_DONE(obj_id);
}
EO_API int
efl_ref_count(const Eo *obj_id)
{
EO_OBJ_POINTER_RETURN_VAL(obj_id, obj, 0);
int ref;
ref = obj->user_refcount - (obj->unref_compensate ? 1 : 0);
EO_OBJ_DONE(obj_id);
return ref;
}
EO_API int
___efl_ref2_count(const Eo *obj_id)
{
EO_OBJ_POINTER_RETURN_VAL(obj_id, obj, 0);
int ref;
ref = obj->refcount;
EO_OBJ_DONE(obj_id);
return ref;
}
EO_API void
___efl_ref2_reset(const Eo *obj_id)
{
EO_OBJ_POINTER_RETURN(obj_id, obj);
obj->refcount = 0;
EO_OBJ_DONE(obj_id);
}
EO_API void
efl_del_intercept_set(Eo *obj_id, Efl_Del_Intercept del_intercept_func)
{
EO_OBJ_POINTER_RETURN(obj_id, obj);
EO_OPTIONAL_COW_SET(obj, del_intercept, del_intercept_func);
EO_OBJ_DONE(obj_id);
}
EO_API Efl_Del_Intercept
efl_del_intercept_get(const Eo *obj_id)
{
Efl_Del_Intercept func;
EO_OBJ_POINTER_RETURN_VAL(obj_id, obj, NULL);
func = obj->opt->del_intercept;
EO_OBJ_DONE(obj_id);
return func;
}
void
_eo_condtor_done(Eo *obj_id)
{
EO_OBJ_POINTER_RETURN(obj_id, obj);
if (obj->condtor_done)
{
ERR("Object %p is already constructed at this point.", obj);
EO_OBJ_DONE(obj_id);
return;
}
obj->condtor_done = EINA_TRUE;
EO_OBJ_DONE(obj_id);
}
static inline void *
_efl_data_scope_safe_get(const _Eo_Object *obj, const _Efl_Class *klass)
{
if (EINA_LIKELY(klass->desc->data_size > 0))
{
return _efl_data_scope_get(obj, klass);
}
return NULL;
}
static inline void *
_efl_data_scope_get(const _Eo_Object *obj, const _Efl_Class *klass)
{
if (EINA_LIKELY(klass->desc->type != EFL_CLASS_TYPE_MIXIN))
return ((char *) obj) + klass->data_offset;
if (EINA_UNLIKELY(klass->desc->data_size == 0))
{
return NULL;
}
else
{
Eo_Extension_Data_Offset *doff_itr = obj->klass->extn_data_off;
if (!doff_itr)
return NULL;
while (doff_itr->klass)
{
if (doff_itr->klass == klass)
return ((char *) obj) + doff_itr->offset;
doff_itr++;
}
}
return NULL;
}
static inline void *
_efl_data_xref_internal(const char *file, int line, _Eo_Object *obj, const _Efl_Class *klass, const _Eo_Object *ref_obj)
{
void *data = NULL;
if (klass != NULL)
{
data = _efl_data_scope_safe_get(obj, klass);
if (data == NULL) return NULL;
}
#ifdef EO_DEBUG
(obj->datarefcount)++;
Eo_Xref_Node *xref = calloc(1, sizeof(*xref));
xref->ref_obj = _eo_obj_id_get(ref_obj);
xref->data_klass = klass ? klass->desc->name : NULL;
xref->file = file;
xref->line = line;
obj->data_xrefs = eina_inlist_prepend(obj->data_xrefs, EINA_INLIST_GET(xref));
#else
(void) ref_obj;
(void) file;
(void) line;
#endif
return data;
}
static inline void
_efl_data_xunref_internal(_Eo_Object *obj EINA_UNUSED, void *data EINA_UNUSED, const _Eo_Object *ref_obj EINA_UNUSED)
{
#ifdef EO_DEBUG
const _Efl_Class *klass = obj->klass;
Eo_Xref_Node *xref = NULL;
Eina_Bool in_range = (((char *)data >= (((char *) obj) + _eo_sz)) &&
((char *)data < (((char *) obj) + klass->obj_size)));
if (!in_range)
{
ERR("Data %p is not in the data range of the object %p (%s).",
data, _eo_obj_id_get(obj), obj->klass->desc->name);
}
if (obj->datarefcount == 0)
{
ERR("Data for object %p (%s) is already not referenced.",
_eo_obj_id_get(obj), obj->klass->desc->name);
}
else
{
(obj->datarefcount)--;
}
EINA_INLIST_FOREACH(obj->data_xrefs, xref)
{
if (xref->ref_obj == _eo_obj_id_get(ref_obj))
break;
}
if (xref)
{
obj->data_xrefs = eina_inlist_remove(obj->data_xrefs, EINA_INLIST_GET(xref));
eina_freeq_ptr_main_add(xref, free, sizeof(*xref));
}
else
{
ERR("ref_obj %p (%s) does not reference data %p of obj %p (%s).",
_eo_obj_id_get(ref_obj), ref_obj->klass->desc->name, data,
_eo_obj_id_get(obj), obj->klass->desc->name);
}
#endif
}
EO_API void *
efl_data_scope_get(const Eo *obj_id, const Efl_Class *klass_id)
{
void *ret = NULL;
EO_OBJ_POINTER_RETURN_VAL(obj_id, obj, NULL);
EO_CLASS_POINTER_GOTO(klass_id, klass, err_klass);
#ifndef EO_DEBUG
ret = _efl_data_scope_safe_get(obj, klass);
#else
if (_eo_class_mro_has(obj->klass, klass))
{
ret = _efl_data_scope_safe_get(obj, klass);
if (!ret && (klass->desc->data_size == 0))
ERR("Tried getting data of class '%s', but it has none.", klass->desc->name);
}
else
{
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);
}
#endif
err_klass:
EO_OBJ_DONE(obj_id);
return ret;
}
EO_API void *
efl_data_scope_safe_get(const Eo *obj_id, const Efl_Class *klass_id)
{
void *ret = NULL;
if (!obj_id) return NULL;
EO_OBJ_POINTER_RETURN_VAL(obj_id, obj, NULL);
EO_CLASS_POINTER_GOTO(klass_id, klass, err_klass);
if (obj->destructed) goto err_klass;
if (_eo_class_mro_has(obj->klass, klass))
{
ret = _efl_data_scope_safe_get(obj, klass);
#ifdef EO_DEBUG
if (!ret && (klass->desc->data_size == 0))
ERR("Tried getting data of class '%s', but it has none.", klass->desc->name);
#endif
}
err_klass:
EO_OBJ_DONE(obj_id);
return ret;
}
EO_API void *
efl_data_xref_internal(const char *file, int line, const Eo *obj_id, const Efl_Class *klass_id, const Eo *ref_obj_id)
{
void *ret = NULL;
_Efl_Class *klass = NULL;
const char *func_name = __func__;
EO_OBJ_POINTER_RETURN_VAL_PROXY(obj_id, obj, NULL);
EO_OBJ_POINTER_PROXY(ref_obj_id, ref_obj);
if (ref_obj)
{
if (klass_id)
{
EO_CLASS_POINTER_GOTO_PROXY(klass_id, klass2, err_klass);
klass = klass2;
#ifdef EO_DEBUG
// rare to use goto to keep instruction cache cleaner
if (!_eo_class_mro_has(obj->klass, klass)) goto err_mro;
#endif
}
ret = _efl_data_xref_internal(file, line, obj, klass, ref_obj);
#ifdef EO_DEBUG
// rare to use goto to keep instruction cache cleaner
if (klass && !ret && (klass->desc->data_size == 0)) goto err_ret;
#endif
err_klass:
EO_OBJ_DONE(ref_obj_id);
}
EO_OBJ_DONE(obj_id);
return ret;
#ifdef EO_DEBUG
err_ret:
ERR("Tried getting data of class '%s', but it has none.", klass->desc->name);
goto err;
err_mro:
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);
err:
EO_OBJ_DONE(obj_id);
EO_OBJ_DONE(ref_obj_id);
return NULL;
#endif
}
EO_API void
efl_data_xunref_internal(const Eo *obj_id, void *data, const Eo *ref_obj_id)
{
EO_OBJ_POINTER_RETURN(obj_id, obj);
EO_OBJ_POINTER(ref_obj_id, ref_obj);
if (ref_obj)
{
_efl_data_xunref_internal(obj, data, ref_obj);
EO_OBJ_DONE(ref_obj_id);
}
EO_OBJ_DONE(obj_id);
}
static void
_eo_table_del_cb(void *in)
{
Eo_Id_Data *data = in;
_eo_free_ids_tables(data);
}
/* FIXME: Support other domains and tables, at the moment only the main
* domain and table.
* This is used by the gdb debug helper script */
Eo_Id_Data *_eo_gdb_main_domain = NULL;
EO_API Eina_Bool
efl_object_init(void)
{
const char *log_dom = "eo";
if (_efl_object_init_count++ > 0)
return EINA_TRUE;
eina_init();
#if HAVE_VALGRIND
_eo_trash_bypass = RUNNING_ON_VALGRIND;
#endif
_efl_object_main_thread = eina_thread_self();
_eo_sz = EO_ALIGN_SIZE(sizeof(_Eo_Object));
_eo_class_sz = EO_ALIGN_SIZE(sizeof(_Efl_Class));
_eo_classes = NULL;
_eo_classes_last_id = EO_CLASS_IDS_FIRST - 1;
_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_recursive_new(&_efl_class_creation_lock))
{
ERR("Could not init lock.");
return EINA_FALSE;
}
if (!eina_spinlock_new(&_ops_storage_lock))
{
ERR("Could not init lock.");
return EINA_FALSE;
}
_eo_log_obj_init();
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 _WIN32
_ops_storage = eina_hash_pointer_new(NULL);
#else
_ops_storage = eina_hash_string_superfast_new(NULL);
#endif
_eo_table_data_shared = _eo_table_data_new(EFL_ID_DOMAIN_SHARED);
if (!_eo_table_data_shared)
{
ERR("Could not allocate shared table data");
return EINA_FALSE;
}
_eo_table_data_shared_data = _eo_table_data_shared->tables[EFL_ID_DOMAIN_SHARED];
// specially force eoid data to be creanted so we can switch it to domain 0
Eo_Id_Data *data = _eo_table_data_new(EFL_ID_DOMAIN_MAIN);
_eo_gdb_main_domain = data;
if (!data)
{
ERR("Could not allocate main table data");
return EINA_FALSE;
}
if (!eina_tls_cb_new(&_eo_table_data, _eo_table_del_cb))
{
ERR("Could not allocate TLS for eo domain data");
_eo_table_del_cb(data);
return EINA_FALSE;
}
eina_tls_set(_eo_table_data, data);
_efl_object_main_thread = eina_thread_self();
efl_object_optional_cow =
eina_cow_add("Efl Object Optional Data", sizeof(Efl_Object_Optional),
64, &efl_object_optional_cow_default, EINA_TRUE);
_efl_add_fallback_init();
eina_log_timing(_eo_log_dom,
EINA_LOG_STATE_STOP,
EINA_LOG_STATE_INIT);
/* bootstrap EFL_CLASS_CLASS */
const Eo *efl_klass = EFL_CLASS_CLASS;
/* bootstrap EFL_OBJECT_CLASS */
const Eo *efl_object = EFL_OBJECT_CLASS;
return efl_klass && efl_object;
}
EO_API Eina_Bool
efl_object_shutdown(void)
{
size_t i;
_Efl_Class **cls_itr = _eo_classes + _eo_classes_last_id - 1;
if (--_efl_object_init_count > 0)
return EINA_TRUE;
#ifdef EO_DEBUG
{
Efl_Object *obj;
Eina_Iterator *objects;
objects = eo_objects_iterator_new();
printf("Objects leaked by EO:\n");
printf("class@pointer - user-refcount internal-refcount\n");
EINA_ITERATOR_FOREACH(objects, obj)
{
printf("%s@%p - %d %d \n", efl_class_name_get(obj), obj, efl_ref_count(obj), ___efl_ref2_count(obj));
}
eina_iterator_free(objects);
}
#endif
eina_log_timing(_eo_log_dom,
EINA_LOG_STATE_START,
EINA_LOG_STATE_SHUTDOWN);
_efl_add_fallback_shutdown();
for (i = 0 ; i < _eo_classes_last_id ; i++, cls_itr--)
{
if (*cls_itr)
eo_class_free(*cls_itr);
}
eina_lock_take(&_efl_class_creation_lock);
_eo_classes_release();
eina_lock_release(&_efl_class_creation_lock);
eina_hash_free(_ops_storage);
_ops_storage = NULL;
eina_spinlock_free(&_ops_storage_lock);
eina_lock_free(&_efl_class_creation_lock);
_eo_free_ids_tables(_eo_table_data_get());
eina_tls_free(_eo_table_data);
if (_eo_table_data_shared)
{
_eo_free_ids_tables(_eo_table_data_shared);
_eo_table_data_shared = NULL;
_eo_table_data_shared_data = NULL;
}
eina_cow_del(efl_object_optional_cow);
efl_object_optional_cow = NULL;
_eo_log_obj_shutdown();
eina_log_domain_unregister(_eo_log_dom);
_eo_log_dom = -1;
++_efl_object_init_generation;
eina_shutdown();
return EINA_FALSE;
}
EO_API Efl_Id_Domain
efl_domain_get(void)
{
Eo_Id_Data *data = _eo_table_data_get();
return data->local_domain;
}
EO_API Efl_Id_Domain
efl_domain_current_get(void)
{
Eo_Id_Data *data = _eo_table_data_get();
return data->domain_stack[data->stack_top];
}
EO_API Eina_Bool
efl_domain_switch(Efl_Id_Domain domain)
{
Eo_Id_Data *data = _eo_table_data_get();
Eo_Id_Data *new_data;
if ((domain < EFL_ID_DOMAIN_MAIN) || (domain > EFL_ID_DOMAIN_THREAD) ||
(domain == EFL_ID_DOMAIN_SHARED))
{
ERR("Invalid domain %i being switched to", domain);
return EINA_FALSE;
}
if ((data) && (data->local_domain == domain))
return EINA_TRUE;
new_data = _eo_table_data_new(domain);
if (!new_data)
{
ERR("Could not allocate domain %i table data", domain);
return EINA_FALSE;
}
if (data) _eo_free_ids_tables(data);
new_data->local_domain = domain;
new_data->domain_stack[new_data->stack_top] = domain;
eina_tls_set(_eo_table_data, new_data);
return EINA_TRUE;
}
static inline Eina_Bool
_efl_domain_push(Eo_Id_Data *data, Efl_Id_Domain domain)
{
if (data->stack_top >= (sizeof(data->domain_stack) - 1))
{
ERR("Failed to push domain %i on stack. Out of stack space at %i",
domain, data->stack_top);
return EINA_FALSE;
}
data->stack_top++;
data->domain_stack[data->stack_top] = domain;
return EINA_TRUE;
}
static inline void
_efl_domain_pop(Eo_Id_Data *data)
{
if (data->stack_top > 0) data->stack_top--;
}
EO_API Eina_Bool
efl_domain_current_push(Efl_Id_Domain domain)
{
Eo_Id_Data *data = _eo_table_data_get();
return _efl_domain_push(data, domain);
}
EO_API void
efl_domain_current_pop(void)
{
Eo_Id_Data *data = _eo_table_data_get();
_efl_domain_pop(data);
}
EO_API Eina_Bool
efl_domain_current_set(Efl_Id_Domain domain)
{
Eo_Id_Data *data = _eo_table_data_get();
if ((domain < EFL_ID_DOMAIN_MAIN) || (domain > EFL_ID_DOMAIN_THREAD))
{
ERR("Invalid domain %i being set", domain);
return EINA_FALSE;
}
data->domain_stack[data->stack_top] = domain;
return EINA_TRUE;
}
EO_API Efl_Domain_Data *
efl_domain_data_get(void)
{
Eo_Id_Data *data = _eo_table_data_get();
return (Efl_Domain_Data *)data;
}
EO_API Efl_Id_Domain
efl_domain_data_adopt(Efl_Domain_Data *data_in)
{
Eo_Id_Data *data = _eo_table_data_get();
Eo_Id_Data *data_foreign = (Eo_Id_Data *)data_in;
if (!data_foreign)
{
ERR("Trying to adopt NULL domain data [data=%p in=%p]", data, data_in);
return EFL_ID_DOMAIN_INVALID;
}
if (data_foreign->local_domain == data->local_domain)
{
ERR("Trying to adopt EO ID domain %i, is the same as the local %i [data=%p in=%p foreign=%p]",
data_foreign->local_domain, data->local_domain, data, data_in, data_foreign);
return EFL_ID_DOMAIN_INVALID;
}
if (data->tables[data_foreign->local_domain])
{
ERR("Trying to adopt an already adopted domain [data=%p in=%p foreign=%p]", data, data_in, data_foreign);
return EFL_ID_DOMAIN_INVALID;
}
data->tables[data_foreign->local_domain] =
data_foreign->tables[data_foreign->local_domain];
_efl_domain_push(data, data_foreign->local_domain);
return data->domain_stack[data->stack_top];
}
EO_API Eina_Bool
efl_domain_data_return(Efl_Id_Domain domain)
{
Eo_Id_Data *data = _eo_table_data_get();
if ((domain < EFL_ID_DOMAIN_MAIN) || (domain > EFL_ID_DOMAIN_THREAD))
{
ERR("Invalid domain %i being returned to owning thread", domain);
return EINA_FALSE;
}
if (domain == data->local_domain)
{
ERR("Cannot return the local domain %i back to its owner [data=%p]", domain, data);
return EINA_FALSE;
}
data->tables[domain] = NULL;
_efl_domain_pop(data);
return EINA_TRUE;
}
EO_API Eina_Bool
efl_compatible(const Eo *obj, const Eo *obj_target)
{
Efl_Id_Domain domain1 = ((Eo_Id)obj >> SHIFT_DOMAIN) & MASK_DOMAIN;
Efl_Id_Domain domain2 = ((Eo_Id)obj_target >> SHIFT_DOMAIN) & MASK_DOMAIN;
if (domain1 == domain2) return EINA_TRUE;
DBG("Object %p and %p are not compatible. Domain %i and %i do not match",
obj, obj_target, domain1, domain2);
return EINA_FALSE;
}
EO_API Eina_Bool
efl_class_override_register(const Efl_Class *klass, const Efl_Class *override)
{
EINA_SAFETY_ON_NULL_RETURN_VAL(klass, EINA_FALSE);
EINA_SAFETY_ON_NULL_RETURN_VAL(override, EINA_FALSE);
EINA_SAFETY_ON_TRUE_RETURN_VAL(!efl_isa(override, klass), EINA_FALSE);
if (!class_overrides)
class_overrides = eina_hash_pointer_new(NULL);
EINA_SAFETY_ON_NULL_RETURN_VAL(class_overrides, EINA_FALSE);
eina_hash_set(class_overrides, &klass, override);
return EINA_TRUE;
}
EO_API Eina_Bool
efl_class_override_unregister(const Efl_Class *klass, const Efl_Class *override)
{
const Efl_Class *set;
EINA_SAFETY_ON_NULL_RETURN_VAL(klass, EINA_FALSE);
EINA_SAFETY_ON_NULL_RETURN_VAL(override, EINA_FALSE);
if (!class_overrides) return EINA_TRUE;
set = eina_hash_find(class_overrides, &klass);
if (set != override) return EINA_FALSE;
return eina_hash_del_by_key(class_overrides, &klass);
}
EO_API Eina_Bool
efl_destructed_is(const Eo *obj_id)
{
Eina_Bool is;
EO_OBJ_POINTER_RETURN_VAL(obj_id, obj, EINA_FALSE);
is = obj->destructed;
EO_OBJ_DONE(obj_id);
return is;
}
EO_API void
efl_manual_free_set(Eo *obj_id, Eina_Bool manual_free)
{
EO_OBJ_POINTER_RETURN(obj_id, obj);
obj->manual_free = manual_free;
EO_OBJ_DONE(obj_id);
}
EO_API Eina_Bool
efl_manual_free(Eo *obj_id)
{
EO_OBJ_POINTER_RETURN_VAL(obj_id, obj, EINA_FALSE);
// rare to use goto to keep instruction cache cleaner
if (obj->manual_free == EINA_FALSE) goto err_manual_free;
// rare to use goto to keep instruction cache cleaner
if (!obj->destructed) goto err_not_destructed;
_eo_free(obj, EINA_TRUE);
EO_OBJ_DONE(obj_id);
return EINA_TRUE;
err_manual_free:
ERR("Tried to manually free the object %p while the option has not been set; see efl_manual_free_set for more information.", obj);
goto err;
err_not_destructed:
ERR("Tried deleting the object %p while still referenced(%d).", obj_id, obj->refcount);
goto err;
err:
EO_OBJ_DONE(obj_id);
return EINA_FALSE;
}
EO_API const char *
efl_debug_name_get(const Eo *obj_id)
{
const char *override = "";
const char *name, *clsname;
Eina_Strbuf *sb;
if (!obj_id) return "(null)";
if (_eo_is_a_class(obj_id))
{
const char *clstype;
EO_CLASS_POINTER(obj_id, klass);
if (!klass || !klass->desc)
return eina_slstr_printf("Invalid_Class_ID(invalid)@%p", obj_id);
switch (klass->desc->type)
{
case EFL_CLASS_TYPE_REGULAR: clstype = "regular"; break;
case EFL_CLASS_TYPE_REGULAR_NO_INSTANT: clstype = "abstract"; break;
case EFL_CLASS_TYPE_INTERFACE: clstype = "interface"; break;
case EFL_CLASS_TYPE_MIXIN: clstype = "mixin"; break;
default: clstype = "invalid"; break;
}
return eina_slstr_printf("%s(%s)@%p", klass->desc->name, clstype, obj_id);
}
EO_OBJ_POINTER(obj_id, obj);
if (!obj) return eina_slstr_printf("Invalid_Object_ID@%p", obj_id);
sb = eina_strbuf_new();
name = efl_name_get(obj_id);
clsname = obj->klass->desc->name;
if (_obj_is_override(obj)) override = "(override)";
if (name)
eina_strbuf_append_printf(sb, "%s%s@%p[%d]:'%s'", clsname, override, obj_id, (int) obj->refcount, name);
else
eina_strbuf_append_printf(sb, "%s%s@%p[%d]", clsname, override, obj_id, (int) obj->refcount);
if (!obj->cur_klass)
{
efl_debug_name_override((Eo *) obj_id, sb);
}
else
{
if (obj->super)
efl_debug_name_override(efl_super(obj_id, (Efl_Class *) obj->cur_klass->header.id), sb);
else
efl_debug_name_override(efl_cast(obj_id, (Efl_Class *) obj->cur_klass->header.id), sb);
obj->super = EINA_FALSE;
obj->cur_klass = NULL;
}
EO_OBJ_DONE(obj_id);
return eina_slstr_strbuf_new(sb);
}
EO_API int
efl_callbacks_cmp(const Efl_Callback_Array_Item *a, const Efl_Callback_Array_Item *b)
{
if (a->desc == b->desc) return 0;
else if (a->desc > b->desc) return 1;
else return -1;
}
#ifdef EO_DEBUG
/* NOTE: cannot use ecore_time_get()! */
static inline double
_eo_log_time_now(void)
{
#ifdef _WIN32
return evil_time_get();
#elif defined(__APPLE__) && defined(__MACH__)
static double clk_conv = -1.0;
if (EINA_UNLIKELY(clk_conv < 0))
{
mach_timebase_info_data_t info;
kern_return_t err = mach_timebase_info(&info);
if (err == 0)
clk_conv = 1e-9 * (double)info.numer / (double)info.denom;
else
clk_conv = 1e-9;
}
return clk_conv * mach_absolute_time();
#else
#if defined (HAVE_CLOCK_GETTIME)
struct timespec t;
static int clk_id = -1;
if (EINA_UNLIKELY(clk_id == -2)) goto try_gettimeofday;
if (EINA_UNLIKELY(clk_id == -1))
{
retry_clk_id:
clk_id = CLOCK_MONOTONIC;
if (EINA_UNLIKELY(clock_gettime(clk_id, &t)))
{
WRN("CLOCK_MONOTONIC failed!");
clk_id = CLOCK_REALTIME;
if (EINA_UNLIKELY(clock_gettime(clk_id, &t)))
{
WRN("CLOCK_REALTIME failed!");
clk_id = -2;
goto try_gettimeofday;
}
}
}
else
{
if (EINA_UNLIKELY(clock_gettime(clk_id, &t)))
{
WRN("clk_id=%d previously ok, now failed... retry", clk_id);
goto retry_clk_id;
}
}
return (double)t.tv_sec + (((double)t.tv_nsec) / 1000000000.0);
try_gettimeofday:
#endif
{
struct timeval timev;
gettimeofday(&timev, NULL);
return (double)timev.tv_sec + (((double)timev.tv_usec) / 1000000);
}
#endif
}
#ifdef HAVE_BACKTRACE
typedef struct _Eo_Log_Obj_Entry {
Eo_Id id;
const _Eo_Object *obj;
const _Efl_Class *klass;
double timestamp;
Eo_Ref_Op ref_op;
unsigned bt_size;
unsigned bt_hits;
uintptr_t bt_hash;
void *bt[];
} Eo_Log_Obj_Entry;
static void
_eo_log_obj_find(const Eo_Id id, const Eo_Log_Obj_Entry **added, int *added_idx, const Eo_Log_Obj_Entry **deleted)
{
const Eo_Log_Obj_Entry *entry;
Eina_Array_Iterator it;
unsigned int idx;
*added_idx = -1;
*added = NULL;
*deleted = NULL;
eina_spinlock_take(&_eo_log_objs_lock);
EINA_ARRAY_ITER_NEXT(&_eo_log_objs, idx, entry, it)
{
if (EINA_UNLIKELY(id == entry->id))
{
if (entry->ref_op == EO_REF_OP_FREE)
*deleted = entry;
else if (entry->ref_op == EO_REF_OP_NEW)
{
*added_idx = idx;
*added = entry;
*deleted = NULL; /* forget previous add, if any */
}
}
}
eina_spinlock_release(&_eo_log_objs_lock);
}
static void
_eo_log_obj_entry_show(const Eo_Log_Obj_Entry *entry, int log_level, const char *func_name, const char *file, int line, double now)
{
unsigned i;
eina_log_print(_eo_log_objs_dom, log_level, file, func_name, line,
"%s obj_id=%p obj=%p, class=%p (%s) [%0.4fs, %0.4fs ago] [%d hits]:",
_eo_ref_op_str[entry->ref_op],
(void *)entry->id,
entry->obj,
entry->klass,
entry->klass->desc->name,
entry->timestamp - _eo_log_time_start, now - entry->timestamp,
entry->bt_hits);
// Skip EO_API and _eo_log_obj_ref_op()
for (i = 2; i < entry->bt_size; i++)
{
#ifdef HAVE_DLADDR
Dl_info info;
if (dladdr(entry->bt[i], &info))
{
if (info.dli_sname)
{
eina_log_print(_eo_log_objs_dom, log_level, file, func_name, line,
" 0x%016llx: %s+%llu (in %s 0x%llx)",
(unsigned long long)(uintptr_t)entry->bt[i],
info.dli_sname,
(unsigned long long)(uintptr_t)((char *)entry->bt[i] - (char *)info.dli_saddr),
info.dli_fname ? info.dli_fname : "??",
(unsigned long long)(uintptr_t)info.dli_fbase);
continue;
}
else if (info.dli_fname)
{
const char *fname;
#ifdef _WIN32
fname = strrchr(info.dli_fname, '\\');
#else
fname = strrchr(info.dli_fname, '/');
#endif
if (!fname) fname = info.dli_fname;
else fname++;
eina_log_print(_eo_log_objs_dom, log_level, file, func_name, line,
" 0x%016llx: %s+%llu (in %s 0x%llx)",
(unsigned long long)(uintptr_t)entry->bt[i],
fname,
(unsigned long long)(uintptr_t)((char *)entry->bt[i] - (char *)info.dli_fbase),
info.dli_fname,
(unsigned long long)(uintptr_t)info.dli_fbase);
continue;
}
}
#endif
eina_log_print(_eo_log_objs_dom, log_level, func_name, file, line,
" 0x%016llx", (unsigned long long)(uintptr_t)entry->bt[i]);
}
}
#endif
#ifdef HAVE_BACKTRACE
static uintptr_t
_eo_log_obj_backtrace_hash(Eo_Log_Obj_Entry *entry)
{
if (!entry->bt_hash)
{
entry->bt_hash = (uintptr_t) 4294967291;
for (unsigned k = 0; k < entry->bt_size; k++)
entry->bt_hash ^= ((uintptr_t) (entry->bt[k]));
}
return entry->bt_hash;
}
static Eina_Bool
_eo_log_obj_entry_is_new_backtrace(const Eina_List *entries, Eo_Log_Obj_Entry *entry)
{
Eina_Bool ret = EINA_TRUE;
Eo_Log_Obj_Entry *other;
const Eina_List *li;
uintptr_t hash;
hash = _eo_log_obj_backtrace_hash(entry);
EINA_LIST_FOREACH(entries, li, other)
if (_eo_log_obj_backtrace_hash(other) == hash)
{
other->bt_hits++;
ret = EINA_FALSE;
}
return ret;
}
static Eina_List *
_eo_log_obj_find_all(const Eo_Id id, int start_idx)
{
Eo_Log_Obj_Entry *entry;
Eina_List *entries = NULL;
unsigned int idx;
eina_spinlock_take(&_eo_log_objs_lock);
for (idx = start_idx + 1; idx < eina_array_count(&_eo_log_objs); idx++)
{
entry = eina_array_data_get(&_eo_log_objs, idx);
if (entry->id != id) continue;
if (entry->ref_op > _eo_log_objs_level) continue;
if (entry->ref_op == EO_REF_OP_FREE) break;
if (_eo_log_obj_entry_is_new_backtrace(entries, entry))
entries = eina_list_append(entries, entry);
}
eina_spinlock_release(&_eo_log_objs_lock);
return entries;
}
#endif
inline void
_eo_log_obj_report(const Eo_Id id, int log_level, const char *func_name, const char *file, int line)
{
#ifdef HAVE_BACKTRACE
const Eo_Log_Obj_Entry *added, *deleted;
Eo_Log_Obj_Entry *current = NULL;
int added_idx = -1;
double now;
if (EINA_LIKELY(!_eo_log_objs_level)) return;
_eo_log_obj_find(id, &added, &added_idx, &deleted);
if ((!added) && (!deleted))
{
if ((!_eo_log_objs_debug.len) && (!_eo_log_objs_no_debug.len))
{
eina_log_print(_eo_log_objs_dom, log_level, file, func_name, line,
"obj_id=%p was neither created or deleted.", (void *)id);
}
else if ((_eo_log_objs_debug.len) && (_eo_log_objs_no_debug.len))
{
eina_log_print(_eo_log_objs_dom, log_level, file, func_name, line,
"obj_id=%p was neither created or deleted (EO_LIFECYCLE_DEBUG='%s', EO_LIFECYCLE_NO_DEBUG='%s').",
(void *)id, getenv("EO_LIFECYCLE_DEBUG"), getenv("EO_LIFECYCLE_NO_DEBUG"));
}
else if (_eo_log_objs_debug.len)
{
eina_log_print(_eo_log_objs_dom, log_level, file, func_name, line,
"obj_id=%p was neither created or deleted (EO_LIFECYCLE_DEBUG='%s').",
(void *)id, getenv("EO_LIFECYCLE_DEBUG"));
}
else
{
eina_log_print(_eo_log_objs_dom, log_level, file, func_name, line,
"obj_id=%p was neither created or deleted (EO_LIFECYCLE_NO_DEBUG='%s').",
(void *)id, getenv("EO_LIFECYCLE_NO_DEBUG"));
}
return;
}
now = _eo_log_time_now();
#ifdef HAVE_BACKTRACE
if ((_eo_log_objs_backtrace >= 0) && deleted)
{
void **bt = NULL;
int size = 0;
if (_eo_log_objs_backtrace > 0)
{
bt = alloca(sizeof(void *) * (_eo_log_objs_backtrace + 2));
size = backtrace(bt, (_eo_log_objs_backtrace + 2));
if (EINA_UNLIKELY(size < 1))
{
bt = NULL;
size = 0;
}
}
current = calloc(1, sizeof(Eo_Log_Obj_Entry) + size * sizeof(void *));
if (EINA_UNLIKELY(!current)) return;
current->id = id;
current->timestamp = now;
current->obj = deleted->obj;
current->klass = deleted->klass;
current->ref_op = EO_REF_OP_NONE;
current->bt_size = size;
current->bt_hash = 0;
current->bt_hits = 1;
if (bt && size)
memcpy(current->bt, bt, size * sizeof(void *));
}
#endif
if (added)
{
_eo_log_obj_entry_show(added, log_level, func_name, file, line, now);
if (_eo_log_objs_level > EO_REF_OP_FREE)
{
Eina_List *entries = _eo_log_obj_find_all(id, added_idx);
const Eo_Log_Obj_Entry *entry;
EINA_LIST_FREE(entries, entry)
_eo_log_obj_entry_show(entry, log_level, func_name, file, line, now);
}
}
if (deleted)
{
_eo_log_obj_entry_show(deleted, log_level, func_name, file, line, now);
eina_log_print(_eo_log_objs_dom, log_level, file, func_name, line,
"obj_id=%p was already deleted %0.4f seconds ago!",
(void *)id, now - deleted->timestamp);
}
if (current)
{
eina_log_print(_eo_log_objs_dom, log_level, file, func_name, line,
"obj_id=%p current use from:", (void *)id);
_eo_log_obj_entry_show(current, log_level, func_name, file, line, now);
free(current);
}
#else
(void)id;
(void)log_level;
(void)func_name;
(void)file;
(void)line;
#endif
}
#ifdef HAVE_BACKTRACE
static Eo_Log_Obj_Entry *
_eo_log_obj_entry_ref_op(const _Eo_Object *obj, Eo_Ref_Op refop, unsigned size, void *const *bt)
{
Eo_Log_Obj_Entry *entry;
Eina_Bool ret;
entry = calloc(1, sizeof(Eo_Log_Obj_Entry) + size * sizeof(void *));
if (EINA_UNLIKELY(!entry)) return NULL;
entry->id = (Eo_Id)_eo_obj_id_get(obj);
entry->timestamp = _eo_log_time_now();
entry->obj = obj;
entry->klass = obj->klass;
entry->ref_op = refop;
entry->bt_size = size;
entry->bt_hash = 0;
entry->bt_hits = 1;
if (size && bt)
memcpy(entry->bt, bt, size * sizeof(void *));
eina_spinlock_take(&_eo_log_objs_lock);
ret = eina_array_push(&_eo_log_objs, entry);
eina_spinlock_release(&_eo_log_objs_lock);
if (!ret)
{
free(entry);
return NULL;
}
return entry;
}
static inline void
_eo_log_obj_entry_free(Eo_Log_Obj_Entry *entry)
{
free(entry);
}
#endif
static int
_eo_class_name_slice_cmp(const void *pa, const void *pb)
{
const Eina_Slice *a = pa;
const Eina_Slice *b = pb;
if (a->len < b->len) return -1;
if (a->len > b->len) return 1;
return memcmp(a->mem, b->mem, a->len);
}
static Eina_Bool
_eo_log_obj_desired(const _Eo_Object *obj)
{
Eina_Slice cls_name;
if (EINA_LIKELY((_eo_log_objs_debug.len == 0) &&
(_eo_log_objs_no_debug.len == 0)))
return EINA_TRUE;
cls_name.mem = obj->klass->desc->name;
cls_name.len = strlen(cls_name.mem);
if (_eo_log_objs_no_debug.len)
{
if (eina_inarray_search_sorted(&_eo_log_objs_no_debug, &cls_name, _eo_class_name_slice_cmp) >= 0)
return EINA_FALSE;
}
if (!_eo_log_objs_debug.len)
return EINA_TRUE;
if (eina_inarray_search_sorted(&_eo_log_objs_debug, &cls_name, _eo_class_name_slice_cmp) >= 0)
return EINA_TRUE;
return EINA_FALSE;
}
static void
_eo_log_obj_ref_op(const _Eo_Object *obj, Eo_Ref_Op ref_op)
{
if (EINA_LIKELY(_eo_log_objs_level < ref_op)) return;
if (EINA_LIKELY(!_eo_log_obj_desired(obj))) return;
#ifdef HAVE_BACKTRACE
if (_eo_log_objs_backtrace >= 0)
{
void **bt = NULL;
int size = 0;
if (_eo_log_objs_backtrace > 0)
{
bt = alloca(sizeof(void *) * (_eo_log_objs_backtrace + 2));
size = backtrace(bt, (_eo_log_objs_backtrace + 2));
if (EINA_UNLIKELY(size < 1)) return;
}
_eo_log_obj_entry_ref_op(obj, ref_op, size, bt);
}
#endif
EINA_LOG_DOM_DBG(_eo_log_objs_dom,
"%s obj_id=%p class=%p (%s) [%0.4f]",
_eo_ref_op_str[ref_op], _eo_obj_id_get(obj),
obj->klass, obj->klass->desc->name,
_eo_log_time_now() - _eo_log_time_start);
}
static inline void
_eo_log_obj_init(void)
{
const char *s;
_eo_log_objs_dom = eina_log_domain_register("eo_lifecycle", EINA_COLOR_BLUE);
_eo_log_time_start = _eo_log_time_now();
#ifdef HAVE_BACKTRACE
eina_array_step_set(&_eo_log_objs, sizeof(Eina_Array), 4096);
eina_spinlock_new(&_eo_log_objs_lock);
#endif
eina_inarray_step_set(&_eo_log_objs_debug, sizeof(Eina_Inarray), sizeof(Eina_Slice), 0);
eina_inarray_step_set(&_eo_log_objs_no_debug, sizeof(Eina_Inarray), sizeof(Eina_Slice), 0);
s = getenv("EO_LIFECYCLE_BACKTRACE");
if (s && *s)
{
_eo_log_objs_backtrace = atoi(s);
if (_eo_log_objs_backtrace > EO_LOG_OBJS_BACKTRACE_MAX)
_eo_log_objs_backtrace = EO_LOG_OBJS_BACKTRACE_MAX;
else if (_eo_log_objs_backtrace < 0)
_eo_log_objs_backtrace = 0;
}
else
_eo_log_objs_backtrace = EO_LOG_OBJS_BACKTRACE_DEFAULT;
s = getenv("EO_LIFECYCLE_DEBUG");
if ((s) && (s[0] != '\0'))
{
char *es;
int lvl = (int)strtol(s, &es, 10);
_eo_log_objs_level = EO_REF_OP_FREE;
if ((es != s) && (*es == ':'))
{
if (lvl >= 3)
{
_eo_log_objs_level = EO_REF_OP_REUSE;
EINA_LOG_DOM_DBG(_eo_log_objs_dom,
"will log new, free, ref, unref and reuse");
}
else if (lvl == 2)
{
_eo_log_objs_level = EO_REF_OP_UNREF;
EINA_LOG_DOM_DBG(_eo_log_objs_dom,
"will log new, free, ref and unref");
}
s = es + 1;
}
if ((strcmp(s, "*") == 0) || (strcmp(s, "1") == 0))
{
EINA_LOG_DOM_DBG(_eo_log_objs_dom,
"will log all object allocation and free");
}
else
{
Eina_Slice slice;
const Eina_Slice *itr;
do
{
char *p = strchr(s, ',');
slice.mem = s;
if (p)
{
slice.len = p - s;
s = p + 1;
}
else
{
slice.len = strlen(s);
s = NULL;
}
eina_inarray_push(&_eo_log_objs_debug, &slice);
}
while (s);
eina_inarray_sort(&_eo_log_objs_debug, _eo_class_name_slice_cmp);
EINA_INARRAY_FOREACH(&_eo_log_objs_debug, itr)
{
EINA_LOG_DOM_DBG(_eo_log_objs_dom,
"will log class '" EINA_SLICE_STR_FMT "'",
EINA_SLICE_STR_PRINT(*itr));
}
}
#ifndef HAVE_BACKTRACE
WRN("EO_LIFECYCLE_DEBUG='%s' but your system has no backtrace()!", s);
#endif
}
if (EINA_LIKELY(!_eo_log_objs_level)) return;
DBG("logging object allocation and free, use EINA_LOG_LEVELS=eo_lifecycle:4");
s = getenv("EO_LIFECYCLE_NO_DEBUG");
if ((s) && (s[0] != '\0'))
{
if ((strcmp(s, "*") == 0) || (strcmp(s, "1") == 0))
{
EINA_LOG_DOM_ERR(_eo_log_objs_dom,
"expected class names to not log allocation and free, got '%s'", s);
}
else
{
Eina_Slice slice;
const Eina_Slice *itr;
do
{
char *p = strchr(s, ',');
slice.mem = s;
if (p)
{
slice.len = p - s;
s = p + 1;
}
else
{
slice.len = strlen(s);
s = NULL;
}
eina_inarray_push(&_eo_log_objs_no_debug, &slice);
}
while (s);
eina_inarray_sort(&_eo_log_objs_no_debug, _eo_class_name_slice_cmp);
EINA_INARRAY_FOREACH(&_eo_log_objs_no_debug, itr)
{
EINA_LOG_DOM_DBG(_eo_log_objs_dom,
"will NOT log class '" EINA_SLICE_STR_FMT "'",
EINA_SLICE_STR_PRINT(*itr));
}
}
}
}
static inline void
_eo_log_obj_shutdown(void)
{
#ifdef HAVE_BACKTRACE
Eo_Log_Obj_Entry *entry;
Eina_Array_Iterator it;
unsigned int idx;
eina_spinlock_take(&_eo_log_objs_lock);
if (eina_log_domain_level_check(_eo_log_objs_dom, EINA_LOG_LEVEL_INFO))
{
void * const *itr = _eo_log_objs.data;
void * const *itr_end = itr + _eo_log_objs.count;
double now = _eo_log_time_now();
size_t leaks = 0;
for (; itr < itr_end; itr++)
{
void * const *cur;
entry = *itr;
if (entry->ref_op == EO_REF_OP_FREE) continue;
for (cur = itr + 1; cur < itr_end; cur++)
{
const Eo_Log_Obj_Entry *cur_entry = *cur;
if (EINA_UNLIKELY((cur_entry->id == entry->id) && (cur_entry->ref_op == EO_REF_OP_FREE)))
break;
}
if (EINA_UNLIKELY(cur == itr_end))
{
EINA_LOG_DOM_INFO(_eo_log_objs_dom,
"leaking obj_id=%p obj=%p class=%p (%s) [%0.4fs, %0.4f ago]",
(void *)entry->id,
entry->obj,
entry->klass,
entry->klass->desc->name,
entry->timestamp - _eo_log_time_start, now - entry->timestamp);
_eo_log_obj_entry_show(entry, EINA_LOG_LEVEL_DBG, __func__, __FILE__, __LINE__, now);
leaks++;
}
}
if (leaks)
EINA_LOG_DOM_WARN(_eo_log_objs_dom, "Leaked %zd objects! Check details with EINA_LOG_LEVELS=eo_lifecycle:4", leaks);
else
EINA_LOG_DOM_INFO(_eo_log_objs_dom, "No leaked objects!");
}
EINA_ARRAY_ITER_NEXT(&_eo_log_objs, idx, entry, it)
_eo_log_obj_entry_free(entry);
eina_array_flush(&_eo_log_objs);
eina_spinlock_release(&_eo_log_objs_lock);
eina_spinlock_free(&_eo_log_objs_lock);
#endif
eina_inarray_flush(&_eo_log_objs_debug);
eina_inarray_flush(&_eo_log_objs_no_debug);
}
#endif
typedef struct
{
Eina_Iterator iterator;
unsigned int cur_kl_id;
} _Eo_Classes_Iterator;
static Eina_Bool
_eo_classes_iterator_next(Eina_Iterator *it, void **data)
{
_Eo_Classes_Iterator *eo_it = (_Eo_Classes_Iterator *)it;
if (eo_it->cur_kl_id == _eo_classes_last_id) return EINA_FALSE;
*data = _eo_class_id_get(_eo_classes[eo_it->cur_kl_id]);
eo_it->cur_kl_id++;
return EINA_TRUE;
}
static void
_eo_classes_iterator_free(Eina_Iterator *it)
{
EINA_MAGIC_SET(it, EINA_MAGIC_NONE);
free(it);
}
EO_API Eina_Iterator *
eo_classes_iterator_new(void)
{
_Eo_Classes_Iterator *it;
it = calloc(1, sizeof (*it));
if (!it) return NULL;
it->iterator.version = EINA_ITERATOR_VERSION;
it->iterator.next = _eo_classes_iterator_next;
it->iterator.free = _eo_classes_iterator_free;
EINA_MAGIC_SET(&it->iterator, EINA_MAGIC_ITERATOR);
return (Eina_Iterator *)it;
}
typedef struct
{
Eina_Iterator iterator;
Eo_Id_Table_Data *tdata;
Table_Index mid_table_id;
Table_Index table_id;
Table_Index entry_id;
} _Eo_Objects_Iterator;
static Eina_Bool
_eo_objects_iterator_next(Eina_Iterator *it, void **data)
{
Table_Index mid_table_id, table_id, entry_id;
Eo_Id_Table_Data *tdata;
_Eo_Objects_Iterator *eo_it = (_Eo_Objects_Iterator *)it;
if (!eo_it->tdata) return EINA_FALSE;
tdata = eo_it->tdata;
mid_table_id = eo_it->mid_table_id;
table_id = eo_it->table_id;
entry_id = eo_it->entry_id;
while (mid_table_id < MAX_MID_TABLE_ID)
{
if (tdata->eo_ids_tables[mid_table_id])
{
while (table_id < MAX_TABLE_ID)
{
if (TABLE_FROM_IDS)
{
while (entry_id < MAX_ENTRY_ID)
{
_Eo_Id_Entry *entry = &(TABLE_FROM_IDS->entries[entry_id]);
if (entry->active)
{
Eo *obj = _eo_header_id_get((Eo_Header *) entry->ptr);
*data = obj;
eo_it->mid_table_id = mid_table_id;
eo_it->table_id = table_id;
eo_it->entry_id = entry_id + 1;
return EINA_TRUE;
}
entry_id++;
}
entry_id = 0;
}
table_id++;
}
table_id = 0;
}
mid_table_id++;
}
return EINA_FALSE;
}
static void
_eo_objects_iterator_free(Eina_Iterator *it)
{
EINA_MAGIC_SET(it, EINA_MAGIC_NONE);
free(it);
}
EO_API Eina_Iterator *
eo_objects_iterator_new(void)
{
_Eo_Objects_Iterator *it;
Eo_Id_Table_Data *tdata = _eo_table_data_table_get(_eo_table_data_get(), EFL_ID_DOMAIN_MAIN);
if (!tdata) return NULL;
it = calloc(1, sizeof (*it));
if (!it) return NULL;
it->tdata = tdata;
it->iterator.version = EINA_ITERATOR_VERSION;
it->iterator.next = _eo_objects_iterator_next;
it->iterator.free = _eo_objects_iterator_free;
EINA_MAGIC_SET(&it->iterator, EINA_MAGIC_ITERATOR);
return (Eina_Iterator *)it;
}
static Eina_Bool
_eo_value_setup(const Eina_Value_Type *type EINA_UNUSED, void *mem)
{
Eo **tmem = mem;
*tmem = NULL;
return EINA_TRUE;
}
static Eina_Bool
_eo_value_flush(const Eina_Value_Type *type EINA_UNUSED, void *mem)
{
Eo **tmem = mem;
if (*tmem)
{
efl_unref(*tmem);
*tmem = NULL;
}
return EINA_TRUE;
}
static Eina_Bool
_eo_value_vset(const Eina_Value_Type *type EINA_UNUSED, void *mem, va_list args)
{
Eo **dst = mem;
Eo *src = va_arg(args, Eo *);
efl_replace(dst, src);
return EINA_TRUE;
}
static Eina_Bool
_eo_value_pset(const Eina_Value_Type *type EINA_UNUSED,
void *mem, const void *ptr)
{
Eo **dst = mem;
Eo * const *src = ptr;
efl_replace(dst, *src);
return EINA_TRUE;
}
static Eina_Bool
_eo_value_pget(const Eina_Value_Type *type EINA_UNUSED,
const void *mem, void *ptr)
{
Eo * const *src = mem;
Eo **dst = ptr;
*dst = *src;
return EINA_TRUE;
}
static Eina_Bool
_eo_value_convert_to(const Eina_Value_Type *type EINA_UNUSED, const Eina_Value_Type *convert, const void *type_mem, void *convert_mem)
{
Eo * const *eo = type_mem;
if (convert == EINA_VALUE_TYPE_STRINGSHARE ||
convert == EINA_VALUE_TYPE_STRING)
{
const char *other_mem;
char buf[256];
snprintf(buf, sizeof(buf), "Object id: %p, class: %s, name: %s",
*eo, efl_class_name_get(efl_class_get(*eo)),
efl_debug_name_get(*eo));
other_mem = buf;
return eina_value_type_pset(convert, convert_mem, &other_mem);
}
return EINA_FALSE;
}
static Eina_Bool
_eo_value_copy(const Eina_Value_Type *type EINA_UNUSED, const void *mem, void *ptr)
{
Eo * const *src = mem;
Eo **dst = ptr;
if (!src || !dst) return EINA_FALSE;
*dst = efl_ref(*src);
return EINA_TRUE;
}
static const Eina_Value_Type _EINA_VALUE_TYPE_OBJECT = {
.version = EINA_VALUE_TYPE_VERSION,
.value_size = sizeof(Eo *),
.name = "Efl_Object",
.setup = _eo_value_setup,
.flush = _eo_value_flush,
.copy = _eo_value_copy,
.compare = NULL,
.convert_to = _eo_value_convert_to,
.convert_from = NULL,
.vset = _eo_value_vset,
.pset = _eo_value_pset,
.pget = _eo_value_pget
};
EO_API const Eina_Value_Type *EINA_VALUE_TYPE_OBJECT = &_EINA_VALUE_TYPE_OBJECT;
static const Efl_Object_Property_Reflection*
_efl_class_reflection_find(const _Efl_Class *klass, const char *property_name)
{
const _Efl_Class **klass_iter = klass->extensions;
const Efl_Object_Property_Reflection_Ops *ref_ops = klass->reflection;
unsigned int i;
for (i = 0; ref_ops && i < ref_ops->count; ++i)
{
if (eina_streq(property_name, ref_ops->table[i].property_name))
return &ref_ops->table[i];
}
if (klass->parent)
{
const Efl_Object_Property_Reflection *ref;
ref = _efl_class_reflection_find(klass->parent, property_name);
if (ref) return ref;
}
for (; *klass_iter; klass_iter++)
{
const Efl_Object_Property_Reflection *ref;
ref = _efl_class_reflection_find(*klass_iter, property_name);
if (ref) return ref;
}
return NULL;
}
EO_API Eina_Error
efl_property_reflection_set(Eo *obj_id, const char *property_name, Eina_Value value)
{
Eina_Error r = EINA_ERROR_NOT_IMPLEMENTED;
Eina_Bool freed = EINA_FALSE;
EO_OBJ_POINTER_GOTO(obj_id, obj, end);
const Efl_Object_Property_Reflection *reflection = _efl_class_reflection_find(obj->klass, property_name);
if (reflection && reflection->set)
{
r = reflection->set(obj_id, value);
freed = EINA_TRUE;
}
end:
if (!freed) eina_value_flush(&value);
EO_OBJ_DONE(obj_id);
return r;
}
EO_API Eina_Value
efl_property_reflection_get(const Eo *obj_id, const char *property_name)
{
Eina_Value r = eina_value_error_init(EINA_ERROR_NOT_IMPLEMENTED);
EO_OBJ_POINTER_GOTO(obj_id, obj, end);
const Efl_Object_Property_Reflection *reflection = _efl_class_reflection_find(obj->klass, property_name);
if (reflection && reflection->get)
r = reflection->get(obj_id);
end:
EO_OBJ_DONE(obj_id);
return r;
}
EO_API Eina_Bool
efl_property_reflection_exist(Eo *obj_id, const char *property_name)
{
Eina_Bool r = EINA_FALSE;
EO_OBJ_POINTER_GOTO(obj_id, obj, end);
const Efl_Object_Property_Reflection *reflection = _efl_class_reflection_find(obj->klass, property_name);
if (reflection) r = EINA_TRUE;
end:
EO_OBJ_DONE(obj_id);
return r;
}
EO_API Efl_Class_Type
efl_class_type_get(const Efl_Class *klass_id)
{
EO_CLASS_POINTER_RETURN_VAL(klass_id, klass, EFL_CLASS_TYPE_INVALID);
return klass->desc->type;
}
EO_API Eina_Bool
efl_ownable_get(const Eo *obj)
{
int ref = efl_ref_count(obj);
if (efl_parent_get(obj))
ref --;
if (ref <= 0)
ERR("There is no free reference to pass this object. Please check that this object is really owned by you.");
return (ref > 0);
}
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