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/*
+----------------------------------------------------------------------+
| Zend Engine |
+----------------------------------------------------------------------+
| Copyright (c) Zend Technologies Ltd. (http://www.zend.com) |
+----------------------------------------------------------------------+
| This source file is subject to version 2.00 of the Zend license, |
| that is bundled with this package in the file LICENSE, and is |
| available through the world-wide-web at the following url: |
| http://www.zend.com/license/2_00.txt. |
| If you did not receive a copy of the Zend license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| license@zend.com so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Authors: Arnaud Le Blanc <arnaud.lb@gmail.com> |
+----------------------------------------------------------------------+
*/
#ifndef ZEND_LAZY_OBJECT_H
#define ZEND_LAZY_OBJECT_H
#include "Zend/zend_types.h"
/* Lazy object is a lazy proxy object */
#define ZEND_LAZY_OBJECT_STRATEGY_PROXY (1<<0)
/* Lazy object is a lazy ghost object */
#define ZEND_LAZY_OBJECT_STRATEGY_GHOST (1<<1)
/* Lazy object is initialized (info.u is an instance) */
#define ZEND_LAZY_OBJECT_INITIALIZED (1<<2)
/* Serialization skips initialization */
#define ZEND_LAZY_OBJECT_SKIP_INITIALIZATION_ON_SERIALIZE (1<<3)
/* Do not call destructor when making existing object lazy */
#define ZEND_LAZY_OBJECT_SKIP_DESTRUCTOR (1<<4)
#define ZEND_LAZY_OBJECT_USER_MASK ( \
ZEND_LAZY_OBJECT_SKIP_INITIALIZATION_ON_SERIALIZE | \
ZEND_LAZY_OBJECT_SKIP_DESTRUCTOR \
)
#define ZEND_LAZY_OBJECT_STRATEGY_MASK ( \
ZEND_LAZY_OBJECT_STRATEGY_PROXY | \
ZEND_LAZY_OBJECT_STRATEGY_GHOST \
)
typedef uint8_t zend_lazy_object_flags_t;
typedef struct _zend_lazy_objects_store {
/* object handle -> *zend_lazy_object_info */
HashTable infos;
} zend_lazy_objects_store;
typedef struct _zend_property_info zend_property_info;
typedef struct _zend_fcall_info zend_fcall_info;
typedef struct _zend_fcall_info_cache zend_fcall_info_cache;
ZEND_API bool zend_class_can_be_lazy(zend_class_entry *ce);
ZEND_API zend_object *zend_object_make_lazy(zend_object *obj,
zend_class_entry *class_type, zval *initializer_zv,
zend_fcall_info_cache *initializer_fcc, zend_lazy_object_flags_t flags);
ZEND_API zend_object *zend_lazy_object_init(zend_object *obj);
ZEND_API zend_object *zend_lazy_object_mark_as_initialized(zend_object *obj);
void zend_lazy_objects_init(zend_lazy_objects_store *store);
void zend_lazy_objects_destroy(zend_lazy_objects_store *store);
zval* zend_lazy_object_get_initializer_zv(zend_object *obj);
zend_object *zend_lazy_object_get_instance(zend_object *obj);
zend_lazy_object_flags_t zend_lazy_object_get_flags(zend_object *obj);
void zend_lazy_object_del_info(zend_object *obj);
ZEND_API HashTable *zend_lazy_object_get_properties(zend_object *object);
zend_object *zend_lazy_object_clone(zend_object *old_obj);
HashTable *zend_lazy_object_debug_info(zend_object *object, int *is_temp);
HashTable *zend_lazy_object_get_gc(zend_object *zobj, zval **table, int *n);
bool zend_lazy_object_decr_lazy_props(zend_object *obj);
void zend_lazy_object_realize(zend_object *obj);
ZEND_API zend_property_info *zend_lazy_object_get_property_info_for_slot(zend_object *obj, zval *slot);
static zend_always_inline bool zend_object_is_lazy(zend_object *obj)
{
return (OBJ_EXTRA_FLAGS(obj) & (IS_OBJ_LAZY_UNINITIALIZED | IS_OBJ_LAZY_PROXY));
}
static zend_always_inline bool zend_object_is_lazy_proxy(zend_object *obj)
{
return (OBJ_EXTRA_FLAGS(obj) & IS_OBJ_LAZY_PROXY);
}
static zend_always_inline bool zend_lazy_object_initialized(zend_object *obj)
{
return !(OBJ_EXTRA_FLAGS(obj) & IS_OBJ_LAZY_UNINITIALIZED);
}
/* True if accessing a lazy prop on obj mandates a call to
* zend_lazy_object_init() */
static zend_always_inline bool zend_lazy_object_must_init(zend_object *obj)
{
return zend_object_is_lazy(obj);
}
static inline bool zend_lazy_object_initialize_on_serialize(zend_object *obj)
{
return !(zend_lazy_object_get_flags(obj) & ZEND_LAZY_OBJECT_SKIP_INITIALIZATION_ON_SERIALIZE);
}
#endif /* ZEND_LAZY_OBJECT_H */