pebble/third_party/jerryscript/jerry-core/jerry-api.h
2025-01-27 11:38:16 -08:00

315 lines
9.7 KiB
C

/* Copyright 2015-2016 Samsung Electronics Co., Ltd.
* Copyright 2016 University of Szeged.
*
* 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 JERRY_API_H
#define JERRY_API_H
#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>
#include <stdio.h>
#include <sys/types.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
/**
* Jerry 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), /**< dump memory statistics and reset peak values after parse */
} jerry_init_flag_t;
/**
* Jerry API Error object types
*/
typedef enum
{
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;
/**
* Jerry's char value
*/
typedef uint8_t jerry_char_t;
/**
* Pointer to an array of character values
*/
typedef jerry_char_t *jerry_char_ptr_t;
/**
* Jerry's size
*/
typedef uint32_t jerry_size_t;
/**
* Jerry's length
*/
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;
/**
* 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_free_callback_t) (const uintptr_t native_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);
/**
* General engine functions
*/
void jerry_init (jerry_init_flag_t);
void jerry_cleanup (void);
void jerry_register_magic_strings (const jerry_char_ptr_t *, uint32_t, const jerry_length_t *);
void jerry_get_memory_limits (size_t *, size_t *);
void jerry_gc (void);
/**
* Parser and executor functions
*/
bool jerry_run_simple (const jerry_char_t *, size_t, jerry_init_flag_t);
jerry_value_t jerry_parse (const jerry_char_t *, size_t, bool);
jerry_value_t jerry_run (const jerry_value_t);
jerry_value_t jerry_eval (const jerry_char_t *, size_t, bool);
/**
* Get the global context
*/
jerry_value_t jerry_get_global_object (void);
jerry_value_t jerry_get_global_builtin (const jerry_char_t *);
/**
* Checker functions of 'jerry_value_t'
*/
bool jerry_value_is_array (const jerry_value_t);
bool jerry_value_is_boolean (const jerry_value_t);
bool jerry_value_is_constructor (const jerry_value_t);
bool jerry_value_is_function (const jerry_value_t);
bool jerry_value_is_number (const jerry_value_t);
bool jerry_value_is_null (const jerry_value_t);
bool jerry_value_is_object (const jerry_value_t);
bool jerry_value_is_string (const jerry_value_t);
bool jerry_value_is_undefined (const jerry_value_t);
/**
* Error flag manipulation functions
*/
bool jerry_value_has_error_flag (const jerry_value_t);
void jerry_value_clear_error_flag (jerry_value_t *);
void jerry_value_set_error_flag (jerry_value_t *);
/**
* Getter functions of 'jerry_value_t'
*/
bool jerry_get_boolean_value (const jerry_value_t);
double jerry_get_number_value (const jerry_value_t);
/**
* Functions for CESU-8 encoded string values
*/
jerry_size_t jerry_get_string_size (const jerry_value_t);
jerry_length_t jerry_get_string_length (const jerry_value_t);
jerry_size_t jerry_string_to_char_buffer (const jerry_value_t, jerry_char_t *, jerry_size_t);
/**
* Functions for UTF-8 encoded string values
*/
jerry_size_t jerry_get_utf8_string_size (const jerry_value_t);
jerry_size_t jerry_string_to_utf8_char_buffer (const jerry_value_t, jerry_char_t *, jerry_size_t);
/**
* Functions for array object values
*/
uint32_t jerry_get_array_length (const jerry_value_t);
/**
* Converters of 'jerry_value_t'
*/
bool jerry_value_to_boolean (const jerry_value_t);
jerry_value_t jerry_value_to_number (const jerry_value_t);
jerry_value_t jerry_value_to_object (const jerry_value_t);
jerry_value_t jerry_value_to_primitive (const jerry_value_t);
jerry_value_t jerry_value_to_string (const jerry_value_t);
/**
* Acquire types with reference counter (increase the references)
*/
jerry_value_t jerry_acquire_value (jerry_value_t);
/**
* Release the referenced values
*/
void jerry_release_value (jerry_value_t);
/**
* Create functions of API values
*/
jerry_value_t jerry_create_array (uint32_t);
jerry_value_t jerry_create_boolean (bool);
jerry_value_t jerry_create_error (jerry_error_t, const jerry_char_t *);
jerry_value_t jerry_create_error_sz (jerry_error_t, const jerry_char_t *, jerry_size_t);
jerry_value_t jerry_create_external_function (jerry_external_handler_t);
jerry_value_t jerry_create_number (double);
jerry_value_t jerry_create_number_infinity (bool);
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_string (const jerry_char_t *);
jerry_value_t jerry_create_string_sz (const jerry_char_t *, jerry_size_t);
jerry_value_t jerry_create_string_utf8 (const jerry_char_t *);
jerry_value_t jerry_create_string_utf8_sz (const jerry_char_t *, jerry_size_t str_size);
jerry_value_t jerry_create_undefined (void);
/**
* General API functions of JS objects
*/
bool jerry_has_property (const jerry_value_t, const jerry_value_t);
bool jerry_has_own_property (const jerry_value_t, const jerry_value_t);
bool jerry_delete_property (const jerry_value_t, const jerry_value_t);
jerry_value_t jerry_get_property (const jerry_value_t, const jerry_value_t);
jerry_value_t jerry_get_property_by_index (const jerry_value_t , uint32_t);
jerry_value_t jerry_set_property (const jerry_value_t, const jerry_value_t, const jerry_value_t);
jerry_value_t jerry_set_property_by_index (const jerry_value_t, uint32_t, const jerry_value_t);
void jerry_init_property_descriptor_fields (jerry_property_descriptor_t *);
jerry_value_t jerry_define_own_property (const jerry_value_t,
const jerry_value_t,
const jerry_property_descriptor_t *);
bool jerry_get_own_property_descriptor (const jerry_value_t,
const jerry_value_t,
jerry_property_descriptor_t *);
void jerry_free_property_descriptor_fields (const jerry_property_descriptor_t *);
jerry_value_t jerry_call_function (const jerry_value_t, const jerry_value_t, const jerry_value_t[], jerry_size_t);
jerry_value_t jerry_construct_object (const jerry_value_t, const jerry_value_t[], jerry_size_t);
jerry_size_t jerry_object_to_string_to_utf8_char_buffer (const jerry_value_t, jerry_char_t *, jerry_size_t);
jerry_size_t jerry_object_to_string_to_char_buffer(const jerry_value_t,
jerry_char_t *,
jerry_size_t);
jerry_value_t jerry_get_object_keys (const jerry_value_t);
jerry_value_t jerry_get_prototype (const jerry_value_t);
jerry_value_t jerry_set_prototype (const jerry_value_t, const jerry_value_t);
bool jerry_get_object_native_handle (const jerry_value_t, uintptr_t *);
void jerry_set_object_native_handle (const jerry_value_t, uintptr_t, jerry_object_free_callback_t);
bool jerry_foreach_object_property (const jerry_value_t, jerry_object_property_foreach_t, void *);
/**
* Snapshot functions
*/
size_t jerry_parse_and_save_snapshot (const jerry_char_t *, size_t, bool, bool, uint8_t *, size_t);
jerry_value_t jerry_exec_snapshot (const void *, size_t, bool);
bool jerry_is_snapshot (const void *, size_t);
/**
* @}
*/
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* !JERRY_API_H */