jerryscript/jerry-core/ecma/operations/ecma-array-object.h
Robert Fancsik c79659d3b2
Fix array initialization with array holes (#3076)
Fast mode access arrays must be converted back to normal if the array hole count reaches the limit during the initializtaion.
This patch fixes #3075.

JerryScript-DCO-1.0-Signed-off-by: Robert Fancsik frobert@inf.u-szeged.hu
2019-09-09 10:36:48 +02:00

99 lines
3.5 KiB
C

/* Copyright JS Foundation and other contributors, http://js.foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef ECMA_ARRAY_OBJECT_H
#define ECMA_ARRAY_OBJECT_H
#include "ecma-globals.h"
/** \addtogroup ecma ECMA
* @{
*
* \addtogroup ecmaarrayobject ECMA Array object related routines
* @{
*/
/**
* Maximum number of array holes in a fast mode access array.
* If the number of holes exceeds this limit, the array is converted back
* to normal property list based array.
*/
#define ECMA_FAST_ARRAY_MAX_HOLE_COUNT 32
/**
* Flags for ecma_op_array_object_set_length
*/
typedef enum
{
ECMA_ARRAY_OBJECT_SET_LENGTH_FLAG_IS_THROW = 1u << 0, /**< is_throw flag is set */
ECMA_ARRAY_OBJECT_SET_LENGTH_FLAG_REJECT = 1u << 1, /**< reject later because the descriptor flags
* contains an unallowed combination */
ECMA_ARRAY_OBJECT_SET_LENGTH_FLAG_WRITABLE_DEFINED = 1u << 2, /**< writable flag defined
* in the property descriptor */
ECMA_ARRAY_OBJECT_SET_LENGTH_FLAG_WRITABLE = 1u << 3, /**< writable flag enabled
* in the property descriptor */
} ecma_array_object_set_length_flags_t;
ecma_object_t *
ecma_op_new_array_object (ecma_length_t length);
ecma_object_t *
ecma_op_new_fast_array_object (ecma_length_t length);
ecma_value_t *
ecma_fast_array_extend (ecma_object_t *object_p, uint32_t new_lengt);
bool
ecma_fast_array_set_property (ecma_object_t *object_p, ecma_string_t *property_name_p, ecma_value_t value);
void
ecma_array_object_delete_property (ecma_object_t *object_p, ecma_string_t *property_name_p,
ecma_property_value_t *prop_value_p);
ecma_collection_header_t *
ecma_fast_array_get_property_names (ecma_object_t *object_p, uint32_t opts);
void
ecma_fast_array_convert_to_normal (ecma_object_t *object_p);
ecma_value_t
ecma_op_create_array_object (const ecma_value_t *arguments_list_p, ecma_length_t arguments_list_len,
bool is_treat_single_arg_as_length);
#if ENABLED (JERRY_ES2015_CLASS)
ecma_value_t
ecma_op_create_array_object_by_constructor (const ecma_value_t *arguments_list_p, ecma_length_t arguments_list_len,
bool is_treat_single_arg_as_length, ecma_object_t *object_p);
#endif /* ENABLED (JERRY_ES2015_CLASS) */
ecma_value_t
ecma_op_array_object_set_length (ecma_object_t *object_p, ecma_value_t new_value, uint32_t flags);
ecma_value_t
ecma_op_array_object_define_own_property (ecma_object_t *object_p, ecma_string_t *property_name_p,
const ecma_property_descriptor_t *property_desc_p);
void
ecma_op_array_list_lazy_property_names (ecma_object_t *obj_p, bool separate_enumerable,
ecma_collection_header_t *main_collection_p,
ecma_collection_header_t *non_enum_collection_p);
/**
* @}
* @}
*/
#endif /* !ECMA_ARRAY_OBJECT_H */