Ruben Ayrapetyan
105 lines
2.6 KiB
C
105 lines
2.6 KiB
C
/* Copyright 2015 Samsung Electronics Co., Ltd.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef JERRY_EXTENSION_H
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#define JERRY_EXTENSION_H
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#include <stddef.h>
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#include <stdint.h>
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/** \addtogroup jerry Jerry engine extension interface
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* @{
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*/
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/**
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* Jerry's extension-related data types
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*/
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typedef enum
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{
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JERRY_EXTENSION_FIELD_TYPE_BOOLEAN, /**< bool */
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JERRY_EXTENSION_FIELD_TYPE_FLOAT, /**< float */
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JERRY_EXTENSION_FIELD_TYPE_STRING /**< chars buffer */
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} jerry_extension_data_type_t;
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/**
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* Description of an extension object's fields
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*/
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typedef struct
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{
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jerry_extension_data_type_t type; /**< field data type */
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/**
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* Value description
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*/
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union
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{
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bool v_boolean; /**< boolean */
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float v_float; /**< number */
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const char* v_string; /**< string */
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};
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} jerry_extension_field_t;
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typedef struct
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{
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jerry_extension_data_type_t type; /**< argument data type */
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union
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{
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bool v_bool; /**< boolean */
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float v_float; /**< number converted to float */
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/** String copied to external characters buffer (not zero-terminated) */
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struct
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{
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char* chars_p; /**< pointer to the string's chars in characters buffer */
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size_t length; /**< number of characters */
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} v_string;
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};
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} jerry_extension_function_arg_t;
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/**
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* Description of an extension object's function
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*/
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typedef struct
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{
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const char* function_name_p; /**< name of function */
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jerry_extension_function_arg_t *args_p; /**< arrays of the function's arguments */
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uint32_t args_number; /**< number of arguments */
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} jerry_extension_function_t;
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/**
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* Description of an extention object
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*/
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typedef struct
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{
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uint32_t fields_count; /**< number of fields */
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uint32_t functions_count; /**< number of functions */
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const jerry_extension_field_t *fields_p; /**< array of field descriptor */
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const jerry_extension_function_t *functions_p; /**< array of function descriptors */
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} jerry_extension_descriptor_t;
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extern void
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jerry_extend_with (const char *builtin_object_name,
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const jerry_extension_descriptor_t *desc_p);
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/**
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* @}
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*/
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#endif /* !JERRY_EXTENSION_H */
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