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Editing: zend_objects_API.h
/* +----------------------------------------------------------------------+ | 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: Andi Gutmans <andi@php.net> | | Zeev Suraski <zeev@php.net> | +----------------------------------------------------------------------+ */ #ifndef ZEND_OBJECTS_API_H #define ZEND_OBJECTS_API_H #include "zend_types.h" #include "zend_gc.h" #include "zend_alloc.h" #include "zend_compile.h" /* For zend_property_info */ #define OBJ_BUCKET_INVALID (1<<0) #define IS_OBJ_VALID(o) (!(((uintptr_t)(o)) & OBJ_BUCKET_INVALID)) #define SET_OBJ_INVALID(o) ((zend_object*)((((uintptr_t)(o)) | OBJ_BUCKET_INVALID))) #define GET_OBJ_BUCKET_NUMBER(o) (((intptr_t)(o)) >> 1) #define SET_OBJ_BUCKET_NUMBER(o, n) do { \ (o) = (zend_object*)((((uintptr_t)(n)) << 1) | OBJ_BUCKET_INVALID); \ } while (0) #define ZEND_OBJECTS_STORE_ADD_TO_FREE_LIST(h) do { \ SET_OBJ_BUCKET_NUMBER(EG(objects_store).object_buckets[(h)], EG(objects_store).free_list_head); \ EG(objects_store).free_list_head = (h); \ } while (0) #define OBJ_RELEASE(obj) zend_object_release(obj) typedef struct _zend_objects_store { zend_object **object_buckets; uint32_t top; uint32_t size; int free_list_head; } zend_objects_store; /* Global store handling functions */ BEGIN_EXTERN_C() ZEND_API void ZEND_FASTCALL zend_objects_store_init(zend_objects_store *objects, uint32_t init_size); ZEND_API void ZEND_FASTCALL zend_objects_store_call_destructors(zend_objects_store *objects); ZEND_API void ZEND_FASTCALL zend_objects_store_mark_destructed(zend_objects_store *objects); ZEND_API void ZEND_FASTCALL zend_objects_store_free_object_storage(zend_objects_store *objects, bool fast_shutdown); ZEND_API void ZEND_FASTCALL zend_objects_store_destroy(zend_objects_store *objects); /* Store API functions */ ZEND_API void ZEND_FASTCALL zend_objects_store_put(zend_object *object); ZEND_API void ZEND_FASTCALL zend_objects_store_del(zend_object *object); /* Called when the ctor was terminated by an exception */ static zend_always_inline void zend_object_store_ctor_failed(zend_object *obj) { GC_ADD_FLAGS(obj, IS_OBJ_DESTRUCTOR_CALLED); } END_EXTERN_C() static zend_always_inline void zend_object_release(zend_object *obj) { if (GC_DELREF(obj) == 0) { zend_objects_store_del(obj); } else if (UNEXPECTED(GC_MAY_LEAK((zend_refcounted*)obj))) { gc_possible_root((zend_refcounted*)obj); } } static zend_always_inline size_t zend_object_properties_size(zend_class_entry *ce) { return sizeof(zval) * (ce->default_properties_count - ((ce->ce_flags & ZEND_ACC_USE_GUARDS) ? 0 : 1)); } /* Allocates object type and zeros it, but not the standard zend_object and properties. * Standard object MUST be initialized using zend_object_std_init(). * Properties MUST be initialized using object_properties_init(). */ static zend_always_inline void *zend_object_alloc(size_t obj_size, zend_class_entry *ce) { void *obj = emalloc(obj_size + zend_object_properties_size(ce)); memset(obj, 0, obj_size - sizeof(zend_object)); return obj; } ZEND_API ZEND_COLD zend_property_info *zend_get_property_info_for_slot_slow(zend_object *obj, zval *slot); /* Use when 'slot' was obtained directly from obj->properties_table, or when * 'obj' can not be lazy. Otherwise, use zend_get_property_info_for_slot(). */ static inline zend_property_info *zend_get_property_info_for_slot_self(zend_object *obj, zval *slot) { zend_property_info **table = obj->ce->properties_info_table; intptr_t prop_num = slot - obj->properties_table; ZEND_ASSERT(prop_num >= 0 && prop_num < obj->ce->default_properties_count); if (table[prop_num]) { return table[prop_num]; } else { return zend_get_property_info_for_slot_slow(obj, slot); } } static inline zend_property_info *zend_get_property_info_for_slot(zend_object *obj, zval *slot) { if (UNEXPECTED(zend_object_is_lazy_proxy(obj))) { return zend_lazy_object_get_property_info_for_slot(obj, slot); } zend_property_info **table = obj->ce->properties_info_table; intptr_t prop_num = slot - obj->properties_table; ZEND_ASSERT(prop_num >= 0 && prop_num < obj->ce->default_properties_count); if (table[prop_num]) { return table[prop_num]; } else { return zend_get_property_info_for_slot_slow(obj, slot); } } /* Helper for cases where we're only interested in property info of typed properties. */ static inline zend_property_info *zend_get_typed_property_info_for_slot(zend_object *obj, zval *slot) { zend_property_info *prop_info = zend_get_property_info_for_slot(obj, slot); if (prop_info && ZEND_TYPE_IS_SET(prop_info->type)) { return prop_info; } return NULL; } static zend_always_inline bool zend_check_method_accessible(const zend_function *fn, const zend_class_entry *scope) { if (!(fn->common.fn_flags & ZEND_ACC_PUBLIC) && fn->common.scope != scope && (UNEXPECTED(fn->common.fn_flags & ZEND_ACC_PRIVATE) || UNEXPECTED(!zend_check_protected(zend_get_function_root_class(fn), scope)))) { return false; } return true; } #endif /* ZEND_OBJECTS_H */
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