jerryscript/jerry-core/include/jerryscript-core.h
Dániel Bátyai ff22634e27
Refactor memory management (#2954)
This PR is a general cleanup for garbage collection and memory
allocation code paths.

Changes:
  * Removed an unnecesary local variable from 'ecma_gc_mark'.
  * Refactored 'ecma_gc_run' to have an implicit list head during
    iteration, which results in one less condition in the loops,
    and changed the loops to use compressed pointers to reduce the
    overall amount of compression/decompression.
  * Renamed 'jmem_free_unused_memory_severity_t' to 'jmem_pressure_t',
    and added additional values.
  * Removed 'jmem_free_unused_memory_callback', instead
    'ecma_free_unused_memory' is now called directly.
  * Reworked 'ecma_free_unused_memory' to handle all code paths related
    to 'jmem_pressure_t', and moved all relevant code paths into this
    function. This simplifies the code paths in other places.
  * Reworked 'jmem_heap_gc_and_alloc_block' to be more streamlined.
  * Changed mem-stats to not report unused pool chunks as allocated
    memory.
  * Created an allocator internal API for allocating/freeing memory blocks
    that are not reported as used memory in mem-stats.
  * Removed iteration statistics for the jerry allocator from mem-stats,
    as they don't provide any actually useful information.

Co-authored-by: Marko Fabo <mfabo@inf.u-szeged.hu>
JerryScript-DCO-1.0-Signed-off-by: Dániel Bátyai dbatyai@inf.u-szeged.hu
2019-07-17 14:12:23 +02:00

661 lines
25 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 JERRYSCRIPT_CORE_H
#define JERRYSCRIPT_CORE_H
#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>
#include "jerryscript-compiler.h"
#ifdef __cplusplus
extern "C"
{
#endif /* __cplusplus */
/** \addtogroup jerry Jerry engine interface
* @{
*/
/**
* Major version of JerryScript API.
*/
#define JERRY_API_MAJOR_VERSION 1
/**
* Minor version of JerryScript API.
*/
#define JERRY_API_MINOR_VERSION 0
/**
* JerryScript init flags.
*/
typedef enum
{
JERRY_INIT_EMPTY = (0u), /**< empty flag set */
JERRY_INIT_SHOW_OPCODES = (1u << 0), /**< dump byte-code to log after parse */
JERRY_INIT_SHOW_REGEXP_OPCODES = (1u << 1), /**< dump regexp byte-code to log after compilation */
JERRY_INIT_MEM_STATS = (1u << 2), /**< dump memory statistics */
JERRY_INIT_MEM_STATS_SEPARATE = (1u << 3), /**< deprecated, an unused placeholder now */
JERRY_INIT_DEBUGGER = (1u << 4), /**< deprecated, an unused placeholder now */
} jerry_init_flag_t;
/**
* JerryScript API Error object types.
*/
typedef enum
{
JERRY_ERROR_NONE = 0, /**< No Error */
JERRY_ERROR_COMMON, /**< Error */
JERRY_ERROR_EVAL, /**< EvalError */
JERRY_ERROR_RANGE, /**< RangeError */
JERRY_ERROR_REFERENCE, /**< ReferenceError */
JERRY_ERROR_SYNTAX, /**< SyntaxError */
JERRY_ERROR_TYPE, /**< TypeError */
JERRY_ERROR_URI /**< URIError */
} jerry_error_t;
/**
* JerryScript feature types.
*/
typedef enum
{
JERRY_FEATURE_CPOINTER_32_BIT, /**< 32 bit compressed pointers */
JERRY_FEATURE_ERROR_MESSAGES, /**< error messages */
JERRY_FEATURE_JS_PARSER, /**< js-parser */
JERRY_FEATURE_MEM_STATS, /**< memory statistics */
JERRY_FEATURE_PARSER_DUMP, /**< parser byte-code dumps */
JERRY_FEATURE_REGEXP_DUMP, /**< regexp byte-code dumps */
JERRY_FEATURE_SNAPSHOT_SAVE, /**< saving snapshot files */
JERRY_FEATURE_SNAPSHOT_EXEC, /**< executing snapshot files */
JERRY_FEATURE_DEBUGGER, /**< debugging */
JERRY_FEATURE_VM_EXEC_STOP, /**< stopping ECMAScript execution */
JERRY_FEATURE_JSON, /**< JSON support */
JERRY_FEATURE_PROMISE, /**< promise support */
JERRY_FEATURE_TYPEDARRAY, /**< Typedarray support */
JERRY_FEATURE_DATE, /**< Date support */
JERRY_FEATURE_REGEXP, /**< Regexp support */
JERRY_FEATURE_LINE_INFO, /**< line info available */
JERRY_FEATURE_LOGGING, /**< logging */
JERRY_FEATURE_SYMBOL, /**< symbol support */
JERRY_FEATURE_DATAVIEW, /**< DataView support */
JERRY_FEATURE__COUNT /**< number of features. NOTE: must be at the end of the list */
} jerry_feature_t;
/**
* Option flags for jerry_parse and jerry_parse_function functions.
*/
typedef enum
{
JERRY_PARSE_NO_OPTS = 0, /**< no options passed */
JERRY_PARSE_STRICT_MODE = (1 << 0) /**< enable strict mode */
} jerry_parse_opts_t;
/**
* GC operational modes.
*/
typedef enum
{
JERRY_GC_PRESSURE_LOW, /**< free unused objects, but keep memory
* allocated for performance improvements
* such as property hash tables for large objects */
JERRY_GC_PRESSURE_HIGH /**< free as much memory as possible */
} jerry_gc_mode_t;
/**
* Jerry regexp flags.
*/
typedef enum
{
JERRY_REGEXP_FLAG_GLOBAL = (1u << 1), /**< Globally scan string */
JERRY_REGEXP_FLAG_IGNORE_CASE = (1u << 2), /**< Ignore case */
JERRY_REGEXP_FLAG_MULTILINE = (1u << 3) /**< Multiline string scan */
} jerry_regexp_flags_t;
/**
* Character type of JerryScript.
*/
typedef uint8_t jerry_char_t;
/**
* Size type of JerryScript.
*/
typedef uint32_t jerry_size_t;
/**
* Length type of JerryScript.
*/
typedef uint32_t jerry_length_t;
/**
* Description of a JerryScript value.
*/
typedef uint32_t jerry_value_t;
/**
* Description of ECMA property descriptor.
*/
typedef struct
{
/** Is [[Value]] defined? */
bool is_value_defined;
/** Is [[Get]] defined? */
bool is_get_defined;
/** Is [[Set]] defined? */
bool is_set_defined;
/** Is [[Writable]] defined? */
bool is_writable_defined;
/** [[Writable]] */
bool is_writable;
/** Is [[Enumerable]] defined? */
bool is_enumerable_defined;
/** [[Enumerable]] */
bool is_enumerable;
/** Is [[Configurable]] defined? */
bool is_configurable_defined;
/** [[Configurable]] */
bool is_configurable;
/** [[Value]] */
jerry_value_t value;
/** [[Get]] */
jerry_value_t getter;
/** [[Set]] */
jerry_value_t setter;
} jerry_property_descriptor_t;
/**
* Description of JerryScript heap memory stats.
* It is for memory profiling.
*/
typedef struct
{
size_t version; /**< the version of the stats struct */
size_t size; /**< heap total size */
size_t allocated_bytes; /**< currently allocated bytes */
size_t peak_allocated_bytes; /**< peak allocated bytes */
size_t reserved[4]; /**< padding for future extensions */
} jerry_heap_stats_t;
/**
* Type of an external function handler.
*/
typedef jerry_value_t (*jerry_external_handler_t) (const jerry_value_t function_obj,
const jerry_value_t this_val,
const jerry_value_t args_p[],
const jerry_length_t args_count);
/**
* Native free callback of an object.
*/
typedef void (*jerry_object_native_free_callback_t) (void *native_p);
/**
* Callback which tells whether the ECMAScript execution should be stopped.
*
* As long as the function returns with undefined the execution continues.
* When a non-undefined value is returned the execution stops and the value
* is thrown by the engine (if the error flag is not set for the returned
* value the engine automatically sets it).
*
* Note: if the function returns with a non-undefined value it
* must return with the same value for future calls.
*/
typedef jerry_value_t (*jerry_vm_exec_stop_callback_t) (void *user_p);
/**
* Function type applied for each data property of an object.
*/
typedef bool (*jerry_object_property_foreach_t) (const jerry_value_t property_name,
const jerry_value_t property_value,
void *user_data_p);
/**
* Function type applied for each object in the engine.
*/
typedef bool (*jerry_objects_foreach_t) (const jerry_value_t object,
void *user_data_p);
/**
* Function type applied for each matching object in the engine.
*/
typedef bool (*jerry_objects_foreach_by_native_info_t) (const jerry_value_t object,
void *object_data_p,
void *user_data_p);
/**
* User context item manager
*/
typedef struct
{
/**
* Callback responsible for initializing a context item, or NULL to zero out the memory. This is called lazily, the
* first time jerry_get_context_data () is called with this manager.
*
* @param [in] data The buffer that JerryScript allocated for the manager. The buffer is zeroed out. The size is
* determined by the bytes_needed field. The buffer is kept alive until jerry_cleanup () is called.
*/
void (*init_cb) (void *data);
/**
* Callback responsible for deinitializing a context item, or NULL. This is called as part of jerry_cleanup (),
* right *before* the VM has been cleaned up. This is a good place to release strong references to jerry_value_t's
* that the manager may be holding.
* Note: because the VM has not been fully cleaned up yet, jerry_object_native_info_t free_cb's can still get called
* *after* all deinit_cb's have been run. See finalize_cb for a callback that is guaranteed to run *after* all
* free_cb's have been run.
*
* @param [in] data The buffer that JerryScript allocated for the manager.
*/
void (*deinit_cb) (void *data);
/**
* Callback responsible for finalizing a context item, or NULL. This is called as part of jerry_cleanup (),
* right *after* the VM has been cleaned up and destroyed and jerry_... APIs cannot be called any more. At this point,
* all values in the VM have been cleaned up. This is a good place to clean up native state that can only be cleaned
* up at the very end when there are no more VM values around that may need to access that state.
*
* @param [in] data The buffer that JerryScript allocated for the manager. After returning from this callback,
* the data pointer may no longer be used.
*/
void (*finalize_cb) (void *data);
/**
* Number of bytes to allocate for this manager. This is the size of the buffer that JerryScript will allocate on
* behalf of the manager. The pointer to this buffer is passed into init_cb, deinit_cb and finalize_cb. It is also
* returned from the jerry_get_context_data () API.
*/
size_t bytes_needed;
} jerry_context_data_manager_t;
/**
* Function type for allocating buffer for JerryScript context.
*/
typedef void *(*jerry_context_alloc_t) (size_t size, void *cb_data_p);
/**
* Type information of a native pointer.
*/
typedef struct
{
jerry_object_native_free_callback_t free_cb; /**< the free callback of the native pointer */
} jerry_object_native_info_t;
/**
* An opaque declaration of the JerryScript context structure.
*/
typedef struct jerry_context_t jerry_context_t;
/**
* Enum that contains the supported binary operation types
*/
typedef enum
{
JERRY_BIN_OP_EQUAL = 0u, /**< equal comparison (==) */
JERRY_BIN_OP_STRICT_EQUAL, /**< strict equal comparison (===) */
JERRY_BIN_OP_LESS, /**< less relation (<) */
JERRY_BIN_OP_LESS_EQUAL, /**< less or equal relation (<=) */
JERRY_BIN_OP_GREATER, /**< greater relation (>) */
JERRY_BIN_OP_GREATER_EQUAL, /**< greater or equal relation (>=)*/
JERRY_BIN_OP_INSTANCEOF, /**< instanceof operation */
} jerry_binary_operation_t;
/**
* General engine functions.
*/
void jerry_init (jerry_init_flag_t flags);
void jerry_cleanup (void);
void jerry_register_magic_strings (const jerry_char_t * const *ex_str_items_p,
uint32_t count,
const jerry_length_t *str_lengths_p);
void jerry_gc (jerry_gc_mode_t mode);
void *jerry_get_context_data (const jerry_context_data_manager_t *manager_p);
bool jerry_get_memory_stats (jerry_heap_stats_t *out_stats_p);
/**
* Parser and executor functions.
*/
bool jerry_run_simple (const jerry_char_t *script_source_p, size_t script_source_size, jerry_init_flag_t flags);
jerry_value_t jerry_parse (const jerry_char_t *resource_name_p, size_t resource_name_length,
const jerry_char_t *source_p, size_t source_size, uint32_t parse_opts);
jerry_value_t jerry_parse_function (const jerry_char_t *resource_name_p, size_t resource_name_length,
const jerry_char_t *arg_list_p, size_t arg_list_size,
const jerry_char_t *source_p, size_t source_size, uint32_t parse_opts);
jerry_value_t jerry_run (const jerry_value_t func_val);
jerry_value_t jerry_eval (const jerry_char_t *source_p, size_t source_size, uint32_t parse_opts);
jerry_value_t jerry_run_all_enqueued_jobs (void);
/**
* Get the global context.
*/
jerry_value_t jerry_get_global_object (void);
/**
* Checker functions of 'jerry_value_t'.
*/
bool jerry_value_is_abort (const jerry_value_t value);
bool jerry_value_is_array (const jerry_value_t value);
bool jerry_value_is_boolean (const jerry_value_t value);
bool jerry_value_is_constructor (const jerry_value_t value);
bool jerry_value_is_error (const jerry_value_t value);
bool jerry_value_is_function (const jerry_value_t value);
bool jerry_value_is_number (const jerry_value_t value);
bool jerry_value_is_null (const jerry_value_t value);
bool jerry_value_is_object (const jerry_value_t value);
bool jerry_value_is_promise (const jerry_value_t value);
bool jerry_value_is_string (const jerry_value_t value);
bool jerry_value_is_symbol (const jerry_value_t value);
bool jerry_value_is_undefined (const jerry_value_t value);
/**
* JerryScript API value type information.
*/
typedef enum
{
JERRY_TYPE_NONE = 0u, /**< no type information */
JERRY_TYPE_UNDEFINED, /**< undefined type */
JERRY_TYPE_NULL, /**< null type */
JERRY_TYPE_BOOLEAN, /**< boolean type */
JERRY_TYPE_NUMBER, /**< number type */
JERRY_TYPE_STRING, /**< string type */
JERRY_TYPE_OBJECT, /**< object type */
JERRY_TYPE_FUNCTION, /**< function type */
JERRY_TYPE_ERROR, /**< error/abort type */
JERRY_TYPE_SYMBOL, /**< symbol type */
} jerry_type_t;
jerry_type_t jerry_value_get_type (const jerry_value_t value);
/**
* Checker function of whether the specified compile feature is enabled.
*/
bool jerry_is_feature_enabled (const jerry_feature_t feature);
/**
* Binary operations
*/
jerry_value_t jerry_binary_operation (jerry_binary_operation_t op,
const jerry_value_t lhs,
const jerry_value_t rhs);
/**
* Error manipulation functions.
*/
jerry_value_t jerry_create_abort_from_value (jerry_value_t value, bool release);
jerry_value_t jerry_create_error_from_value (jerry_value_t value, bool release);
jerry_value_t jerry_get_value_from_error (jerry_value_t value, bool release);
/**
* Error object function(s).
*/
jerry_error_t jerry_get_error_type (jerry_value_t value);
/**
* Getter functions of 'jerry_value_t'.
*/
bool jerry_get_boolean_value (const jerry_value_t value);
double jerry_get_number_value (const jerry_value_t value);
/**
* Functions for string values.
*/
jerry_size_t jerry_get_string_size (const jerry_value_t value);
jerry_size_t jerry_get_utf8_string_size (const jerry_value_t value);
jerry_length_t jerry_get_string_length (const jerry_value_t value);
jerry_length_t jerry_get_utf8_string_length (const jerry_value_t value);
jerry_size_t jerry_string_to_char_buffer (const jerry_value_t value, jerry_char_t *buffer_p, jerry_size_t buffer_size);
jerry_size_t jerry_string_to_utf8_char_buffer (const jerry_value_t value,
jerry_char_t *buffer_p,
jerry_size_t buffer_size);
jerry_size_t jerry_substring_to_char_buffer (const jerry_value_t value,
jerry_length_t start_pos,
jerry_length_t end_pos,
jerry_char_t *buffer_p,
jerry_size_t buffer_size);
jerry_size_t jerry_substring_to_utf8_char_buffer (const jerry_value_t value,
jerry_length_t start_pos,
jerry_length_t end_pos,
jerry_char_t *buffer_p,
jerry_size_t buffer_size);
/**
* Functions for array object values.
*/
uint32_t jerry_get_array_length (const jerry_value_t value);
/**
* Converters of 'jerry_value_t'.
*/
bool jerry_value_to_boolean (const jerry_value_t value);
jerry_value_t jerry_value_to_number (const jerry_value_t value);
jerry_value_t jerry_value_to_object (const jerry_value_t value);
jerry_value_t jerry_value_to_primitive (const jerry_value_t value);
jerry_value_t jerry_value_to_string (const jerry_value_t value);
/**
* Acquire types with reference counter (increase the references).
*/
jerry_value_t jerry_acquire_value (jerry_value_t value);
/**
* Release the referenced values.
*/
void jerry_release_value (jerry_value_t value);
/**
* Create functions of API values.
*/
jerry_value_t jerry_create_array (uint32_t size);
jerry_value_t jerry_create_boolean (bool value);
jerry_value_t jerry_create_error (jerry_error_t error_type, const jerry_char_t *message_p);
jerry_value_t jerry_create_error_sz (jerry_error_t error_type, const jerry_char_t *message_p,
jerry_size_t message_size);
jerry_value_t jerry_create_external_function (jerry_external_handler_t handler_p);
jerry_value_t jerry_create_number (double value);
jerry_value_t jerry_create_number_infinity (bool sign);
jerry_value_t jerry_create_number_nan (void);
jerry_value_t jerry_create_null (void);
jerry_value_t jerry_create_object (void);
jerry_value_t jerry_create_promise (void);
jerry_value_t jerry_create_regexp (const jerry_char_t *pattern, uint16_t flags);
jerry_value_t jerry_create_regexp_sz (const jerry_char_t *pattern, jerry_size_t pattern_size, uint16_t flags);
jerry_value_t jerry_create_string_from_utf8 (const jerry_char_t *str_p);
jerry_value_t jerry_create_string_sz_from_utf8 (const jerry_char_t *str_p, jerry_size_t str_size);
jerry_value_t jerry_create_string (const jerry_char_t *str_p);
jerry_value_t jerry_create_string_sz (const jerry_char_t *str_p, jerry_size_t str_size);
jerry_value_t jerry_create_symbol (const jerry_value_t value);
jerry_value_t jerry_create_undefined (void);
/**
* General API functions of JS objects.
*/
jerry_value_t jerry_has_property (const jerry_value_t obj_val, const jerry_value_t prop_name_val);
jerry_value_t jerry_has_own_property (const jerry_value_t obj_val, const jerry_value_t prop_name_val);
bool jerry_delete_property (const jerry_value_t obj_val, const jerry_value_t prop_name_val);
bool jerry_delete_property_by_index (const jerry_value_t obj_val, uint32_t index);
jerry_value_t jerry_get_property (const jerry_value_t obj_val, const jerry_value_t prop_name_val);
jerry_value_t jerry_get_property_by_index (const jerry_value_t obj_val, uint32_t index);
jerry_value_t jerry_set_property (const jerry_value_t obj_val, const jerry_value_t prop_name_val,
const jerry_value_t value_to_set);
jerry_value_t jerry_set_property_by_index (const jerry_value_t obj_val, uint32_t index,
const jerry_value_t value_to_set);
void jerry_init_property_descriptor_fields (jerry_property_descriptor_t *prop_desc_p);
jerry_value_t jerry_define_own_property (const jerry_value_t obj_val,
const jerry_value_t prop_name_val,
const jerry_property_descriptor_t *prop_desc_p);
bool jerry_get_own_property_descriptor (const jerry_value_t obj_val,
const jerry_value_t prop_name_val,
jerry_property_descriptor_t *prop_desc_p);
void jerry_free_property_descriptor_fields (const jerry_property_descriptor_t *prop_desc_p);
jerry_value_t jerry_call_function (const jerry_value_t func_obj_val, const jerry_value_t this_val,
const jerry_value_t args_p[], jerry_size_t args_count);
jerry_value_t jerry_construct_object (const jerry_value_t func_obj_val, const jerry_value_t args_p[],
jerry_size_t args_count);
jerry_value_t jerry_get_object_keys (const jerry_value_t obj_val);
jerry_value_t jerry_get_prototype (const jerry_value_t obj_val);
jerry_value_t jerry_set_prototype (const jerry_value_t obj_val, const jerry_value_t proto_obj_val);
bool jerry_get_object_native_pointer (const jerry_value_t obj_val,
void **out_native_pointer_p,
const jerry_object_native_info_t *native_pointer_info_p);
void jerry_set_object_native_pointer (const jerry_value_t obj_val,
void *native_pointer_p,
const jerry_object_native_info_t *native_info_p);
bool jerry_delete_object_native_pointer (const jerry_value_t obj_val,
const jerry_object_native_info_t *native_info_p);
bool jerry_objects_foreach (jerry_objects_foreach_t foreach_p,
void *user_data);
bool jerry_objects_foreach_by_native_info (const jerry_object_native_info_t *native_info_p,
jerry_objects_foreach_by_native_info_t foreach_p,
void *user_data_p);
bool jerry_foreach_object_property (const jerry_value_t obj_val, jerry_object_property_foreach_t foreach_p,
void *user_data_p);
/**
* Promise resolve/reject functions.
*/
jerry_value_t jerry_resolve_or_reject_promise (jerry_value_t promise, jerry_value_t argument, bool is_resolve);
/**
* Symbol functions.
*/
jerry_value_t jerry_get_symbol_descriptive_string (const jerry_value_t symbol);
/**
* Input validator functions.
*/
bool jerry_is_valid_utf8_string (const jerry_char_t *utf8_buf_p, jerry_size_t buf_size);
bool jerry_is_valid_cesu8_string (const jerry_char_t *cesu8_buf_p, jerry_size_t buf_size);
/*
* Dynamic memory management functions.
*/
void *jerry_heap_alloc (size_t size);
void jerry_heap_free (void *mem_p, size_t size);
/*
* External context functions.
*/
jerry_context_t *jerry_create_context (uint32_t heap_size, jerry_context_alloc_t alloc, void *cb_data_p);
/**
* Miscellaneous functions.
*/
void jerry_set_vm_exec_stop_callback (jerry_vm_exec_stop_callback_t stop_cb, void *user_p, uint32_t frequency);
jerry_value_t jerry_get_backtrace (uint32_t max_depth);
/**
* Array buffer components.
*/
bool jerry_value_is_arraybuffer (const jerry_value_t value);
jerry_value_t jerry_create_arraybuffer (const jerry_length_t size);
jerry_value_t jerry_create_arraybuffer_external (const jerry_length_t size,
uint8_t *buffer_p,
jerry_object_native_free_callback_t free_cb);
jerry_length_t jerry_arraybuffer_write (const jerry_value_t value,
jerry_length_t offset,
const uint8_t *buf_p,
jerry_length_t buf_size);
jerry_length_t jerry_arraybuffer_read (const jerry_value_t value,
jerry_length_t offset,
uint8_t *buf_p,
jerry_length_t buf_size);
jerry_length_t jerry_get_arraybuffer_byte_length (const jerry_value_t value);
uint8_t *jerry_get_arraybuffer_pointer (const jerry_value_t value);
/**
* DataView functions.
*/
jerry_value_t
jerry_create_dataview (const jerry_value_t value,
const jerry_length_t byte_offset,
const jerry_length_t byte_length);
bool
jerry_value_is_dataview (const jerry_value_t value);
jerry_value_t
jerry_get_dataview_buffer (const jerry_value_t dataview,
jerry_length_t *byte_offset,
jerry_length_t *byte_length);
/**
* TypedArray functions.
*/
/**
* TypedArray types.
*/
typedef enum
{
JERRY_TYPEDARRAY_INVALID = 0,
JERRY_TYPEDARRAY_UINT8,
JERRY_TYPEDARRAY_UINT8CLAMPED,
JERRY_TYPEDARRAY_INT8,
JERRY_TYPEDARRAY_UINT16,
JERRY_TYPEDARRAY_INT16,
JERRY_TYPEDARRAY_UINT32,
JERRY_TYPEDARRAY_INT32,
JERRY_TYPEDARRAY_FLOAT32,
JERRY_TYPEDARRAY_FLOAT64,
} jerry_typedarray_type_t;
bool jerry_value_is_typedarray (jerry_value_t value);
jerry_value_t jerry_create_typedarray (jerry_typedarray_type_t type_name, jerry_length_t length);
jerry_value_t jerry_create_typedarray_for_arraybuffer_sz (jerry_typedarray_type_t type_name,
const jerry_value_t arraybuffer,
jerry_length_t byte_offset,
jerry_length_t length);
jerry_value_t jerry_create_typedarray_for_arraybuffer (jerry_typedarray_type_t type_name,
const jerry_value_t arraybuffer);
jerry_typedarray_type_t jerry_get_typedarray_type (jerry_value_t value);
jerry_length_t jerry_get_typedarray_length (jerry_value_t value);
jerry_value_t jerry_get_typedarray_buffer (jerry_value_t value,
jerry_length_t *byte_offset,
jerry_length_t *byte_length);
jerry_value_t jerry_json_parse (const jerry_char_t *string_p, jerry_size_t string_size);
jerry_value_t jerry_json_stringify (const jerry_value_t object_to_stringify);
/**
* @}
*/
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* !JERRYSCRIPT_CORE_H */