/* 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_TYPES_H
#define JERRYSCRIPT_TYPES_H

#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>

#include "jerryscript-compiler.h"

JERRY_C_API_BEGIN

/** \addtogroup jerry Jerry engine interface
 * @{
 */

/**
 * Major version of JerryScript API.
 */
#define JERRY_API_MAJOR_VERSION 3

/**
 * Minor version of JerryScript API.
 */
#define JERRY_API_MINOR_VERSION 0

/**
 * Patch version of JerryScript API.
 */
#define JERRY_API_PATCH_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_AGGREGATE /**< AggregateError */
} 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_VM_THROW, /**< capturing ECMAScript throws */
  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_PROXY, /**< Proxy support */
  JERRY_FEATURE_MAP, /**< Map support */
  JERRY_FEATURE_SET, /**< Set support */
  JERRY_FEATURE_WEAKMAP, /**< WeakMap support */
  JERRY_FEATURE_WEAKSET, /**< WeakSet support */
  JERRY_FEATURE_BIGINT, /**< BigInt support */
  JERRY_FEATURE_REALM, /**< realm support */
  JERRY_FEATURE_GLOBAL_THIS, /**< GlobalThisValue support */
  JERRY_FEATURE_PROMISE_CALLBACK, /**< Promise callback support */
  JERRY_FEATURE_MODULE, /**< Module support */
  JERRY_FEATURE_WEAKREF, /**< WeakRef support */
  JERRY_FEATURE_FUNCTION_TO_STRING, /**< function toString support */
  JERRY_FEATURE__COUNT /**< number of features. NOTE: must be at the end of the list */
} jerry_feature_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_FLAG_STICKY = (1u << 4), /**< ECMAScript v11, 21.2.5.14 */
  JERRY_REGEXP_FLAG_UNICODE = (1u << 5), /**< ECMAScript v11, 21.2.5.17 */
  JERRY_REGEXP_FLAG_DOTALL = (1u << 6) /**< ECMAScript v11, 21.2.5.3 */
} 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;

/**
 * Option bits for jerry_parse_options_t.
 */
typedef enum
{
  JERRY_PARSE_NO_OPTS = 0, /**< no options passed */
  JERRY_PARSE_STRICT_MODE = (1 << 0), /**< enable strict mode */
  JERRY_PARSE_MODULE = (1 << 1), /**< parse source as an ECMAScript module */
  JERRY_PARSE_HAS_ARGUMENT_LIST = (1 << 2), /**< argument_list field is valid,
                                             * this also means that function parsing will be done */
  JERRY_PARSE_HAS_RESOURCE = (1 << 3), /**< resource_name field is valid */
  JERRY_PARSE_HAS_START = (1 << 4), /**< start_line and start_column fields are valid */
  JERRY_PARSE_HAS_USER_VALUE = (1 << 5), /**< user_value field is valid */
} jerry_parse_option_enable_feature_t;

/**
 * Various configuration options for parsing functions such as jerry_parse or jerry_parse_function.
 */
typedef struct
{
  uint32_t options; /**< combination of jerry_parse_option_enable_feature_t values */
  jerry_value_t argument_list; /**< function argument list if JERRY_PARSE_HAS_ARGUMENT_LIST is set in options
                                *   Note: must be string value */
  jerry_value_t resource_name; /**< resource name string (usually a file name)
                                *   if JERRY_PARSE_HAS_RESOURCE is set in options
                                *   Note: must be string value */
  uint32_t start_line; /**< start line of the source code if JERRY_PARSE_HAS_START is set in options */
  uint32_t start_column; /**< start column of the source code if JERRY_PARSE_HAS_START is set in options */
  jerry_value_t user_value; /**< user value assigned to all functions created by this script including eval
                             *   calls executed by the script if JERRY_PARSE_HAS_USER_VALUE is set in options */
} jerry_parse_options_t;

/**
 * Description of ECMA property descriptor.
 */
typedef enum
{
  JERRY_PROP_NO_OPTS = (0), /**< empty property descriptor */
  JERRY_PROP_IS_CONFIGURABLE = (1 << 0), /**< [[Configurable]] */
  JERRY_PROP_IS_ENUMERABLE = (1 << 1), /**< [[Enumerable]] */
  JERRY_PROP_IS_WRITABLE = (1 << 2), /**< [[Writable]] */

  JERRY_PROP_IS_CONFIGURABLE_DEFINED = (1 << 3), /**< is [[Configurable]] defined? */
  JERRY_PROP_IS_ENUMERABLE_DEFINED = (1 << 4), /**< is [[Enumerable]] defined? */
  JERRY_PROP_IS_WRITABLE_DEFINED = (1 << 5), /**< is [[Writable]] defined? */

  JERRY_PROP_IS_VALUE_DEFINED = (1 << 6), /**< is [[Value]] defined? */
  JERRY_PROP_IS_GET_DEFINED = (1 << 7), /**< is [[Get]] defined? */
  JERRY_PROP_IS_SET_DEFINED = (1 << 8), /**< is [[Set]] defined? */

  JERRY_PROP_SHOULD_THROW = (1 << 9), /**< should throw on error, instead of returning with false */
} jerry_property_descriptor_flags_t;

/**
 * Description of ECMA property descriptor.
 */
typedef struct
{
  uint16_t flags; /**< any combination of jerry_property_descriptor_flags_t bits */
  jerry_value_t value; /**< [[Value]] */
  jerry_value_t getter; /**< [[Get]] */
  jerry_value_t setter; /**< [[Set]] */
} jerry_property_descriptor_t;

/**
 * JerryScript object property filter options.
 */
typedef enum
{
  JERRY_PROPERTY_FILTER_ALL = 0, /**< List all property keys independently
                                  *   from key type or property value attributes
                                  *   (equivalent to Reflect.ownKeys call)  */
  JERRY_PROPERTY_FILTER_TRAVERSE_PROTOTYPE_CHAIN = (1 << 0), /**< Include keys from the objects's
                                                              *   prototype chain as well */
  JERRY_PROPERTY_FILTER_EXCLUDE_NON_CONFIGURABLE = (1 << 1), /**< Exclude property key if
                                                              *   the property is non-configurable */
  JERRY_PROPERTY_FILTER_EXCLUDE_NON_ENUMERABLE = (1 << 2), /**< Exclude property key if
                                                            *   the property is non-enumerable */
  JERRY_PROPERTY_FILTER_EXCLUDE_NON_WRITABLE = (1 << 3), /**< Exclude property key if
                                                          *   the property is non-writable */
  JERRY_PROPERTY_FILTER_EXCLUDE_STRINGS = (1 << 4), /**< Exclude property key if it is a string */
  JERRY_PROPERTY_FILTER_EXCLUDE_SYMBOLS = (1 << 5), /**< Exclude property key if it is a symbol */
  JERRY_PROPERTY_FILTER_EXCLUDE_INTEGER_INDICES = (1 << 6), /**< Exclude property key if it is an integer index */
  JERRY_PROPERTY_FILTER_INTEGER_INDICES_AS_NUMBER = (1 << 7), /**< By default integer index property keys are
                                                               *   converted to string. Enabling this flags keeps
                                                               *   integer index property keys as numbers. */
} jerry_property_filter_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;

/**
 * Call related information passed to jerry_external_handler_t.
 */
typedef struct jerry_call_info_t
{
  jerry_value_t function; /**< invoked function object */
  jerry_value_t this_value; /**< this value passed to the function  */
  jerry_value_t new_target; /**< current new target value, undefined for non-constructor calls */
} jerry_call_info_t;

/**
 * Type of an external function handler.
 */
typedef jerry_value_t (*jerry_external_handler_t) (const jerry_call_info_t *call_info_p,
                                                   const jerry_value_t args_p[],
                                                   const jerry_length_t args_count);

/**
 * Native free callback of generic value types.
 */
typedef void (*jerry_value_free_callback_t) (void *native_p);

/**
 * Forward definition of jerry_object_native_info_t.
 */
struct jerry_object_native_info_t;

/**
 * Native free callback of an object.
 */
typedef void (*jerry_object_native_free_callback_t) (void *native_p, struct jerry_object_native_info_t *info_p);

/**
 * Free callback for external strings.
 */
typedef void (*jerry_external_string_free_callback_t) (jerry_char_t *string_p, jerry_size_t string_size, void *user_p);

/**
 * Decorator callback for Error objects. The decorator can create
 * or update any properties of the newly created Error object.
 */
typedef void (*jerry_error_object_created_callback_t) (const jerry_value_t error_object, void *user_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);

/**
 * Callback function which is called when an error is thrown in an ECMAScript code.
 * The callback should not change the error_value. The callback is not called again
 * until the value is caught.
 *
 * Note: the engine considers errors thrown by external functions as never caught.
 */
typedef void (*jerry_vm_throw_callback_t) (const jerry_value_t error_value, 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_info_t
{
  jerry_object_native_free_callback_t free_cb; /**< the free callback of the native pointer */
  uint16_t number_of_references; /**< the number of value references which are marked by the garbage collector */
  uint16_t offset_of_references; /**< byte offset indicating the start offset of value
                                  *   references in the user allocated buffer */
} 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_BIN_OP_ADD, /**< addition operator (+) */
  JERRY_BIN_OP_SUB, /**< subtraction operator (-) */
  JERRY_BIN_OP_MUL, /**< multiplication operator (*) */
  JERRY_BIN_OP_DIV, /**< division operator (/) */
  JERRY_BIN_OP_REM, /**< remainder operator (%) */
} jerry_binary_operation_t;

/**
 * Backtrace related types.
 */

/**
 * List of backtrace frame types returned by jerry_backtrace_get_frame_type.
 */
typedef enum
{
  JERRY_BACKTRACE_FRAME_JS, /**< indicates that the frame is created for a JavaScript function/method */
} jerry_backtrace_frame_types_t;

/**
 * Location info retrieved by jerry_backtrace_get_location.
 */
typedef struct
{
  jerry_value_t resource_name; /**< resource name */
  jerry_size_t line; /**< line index */
  jerry_size_t column; /**< column index */
} jerry_backtrace_location_t;

/**
 * Internal data structure for jerry_backtrace_frame_t definition.
 */
struct jerry_backtrace_frame_internal_t;

/**
 * Backtrace frame data passed to the jerry_backtrace_callback_t handler.
 */
typedef struct jerry_backtrace_frame_internal_t jerry_backtrace_frame_t;

/**
 * Callback function which is called by jerry_backtrace_capture for each stack frame.
 */
typedef bool (*jerry_backtrace_callback_t) (jerry_backtrace_frame_t *frame_p, void *user_p);

/**
 * Detailed value type related types.
 */

/**
 * 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_BIGINT, /**< bigint type */
} jerry_type_t;

/**
 * JerryScript object type information.
 */
typedef enum
{
  JERRY_OBJECT_TYPE_NONE = 0u, /**< Non object type */
  JERRY_OBJECT_TYPE_GENERIC, /**< Generic JavaScript object without any internal property */
  JERRY_OBJECT_TYPE_MODULE_NAMESPACE, /**< Namespace object */
  JERRY_OBJECT_TYPE_ARRAY, /**< Array object */
  JERRY_OBJECT_TYPE_PROXY, /**< Proxy object */
  JERRY_OBJECT_TYPE_SCRIPT, /**< Script object (see jerry_parse) */
  JERRY_OBJECT_TYPE_MODULE, /**< Module object (see jerry_parse) */
  JERRY_OBJECT_TYPE_PROMISE, /**< Promise object */
  JERRY_OBJECT_TYPE_DATAVIEW, /**< Dataview object */
  JERRY_OBJECT_TYPE_FUNCTION, /**< Function object (see jerry_function_get_type) */
  JERRY_OBJECT_TYPE_TYPEDARRAY, /**< %TypedArray% object (see jerry_get_typedarray_type) */
  JERRY_OBJECT_TYPE_ITERATOR, /**< Iterator object (see jerry_iterator_get_type) */
  JERRY_OBJECT_TYPE_CONTAINER, /**< Container object (see jerry_container_get_type) */
  JERRY_OBJECT_TYPE_ERROR, /**< Error object */
  JERRY_OBJECT_TYPE_ARRAYBUFFER, /**< Array buffer object */
  JERRY_OBJECT_TYPE_SHARED_ARRAY_BUFFER, /**< Shared Array Buffer object */

  JERRY_OBJECT_TYPE_ARGUMENTS, /**< Arguments object */
  JERRY_OBJECT_TYPE_BOOLEAN, /**< Boolean object */
  JERRY_OBJECT_TYPE_DATE, /**< Date object */
  JERRY_OBJECT_TYPE_NUMBER, /**< Number object */
  JERRY_OBJECT_TYPE_REGEXP, /**< RegExp object */
  JERRY_OBJECT_TYPE_STRING, /**< String object */
  JERRY_OBJECT_TYPE_SYMBOL, /**< Symbol object */
  JERRY_OBJECT_TYPE_GENERATOR, /**< Generator object */
  JERRY_OBJECT_TYPE_BIGINT, /**< BigInt object */
  JERRY_OBJECT_TYPE_WEAKREF, /**< WeakRef object */
} jerry_object_type_t;

/**
 * JerryScript function object type information.
 */
typedef enum
{
  JERRY_FUNCTION_TYPE_NONE = 0u, /**< Non function type */
  JERRY_FUNCTION_TYPE_GENERIC, /**< Generic JavaScript function */
  JERRY_FUNCTION_TYPE_ACCESSOR, /**< Accessor function */
  JERRY_FUNCTION_TYPE_BOUND, /**< Bound function */
  JERRY_FUNCTION_TYPE_ARROW, /**< Arrow function */
  JERRY_FUNCTION_TYPE_GENERATOR, /**< Generator function */
} jerry_function_type_t;

/**
 * JerryScript iterator object type information.
 */
typedef enum
{
  JERRY_ITERATOR_TYPE_NONE = 0u, /**< Non iterator type */
  JERRY_ITERATOR_TYPE_ARRAY, /**< Array iterator */
  JERRY_ITERATOR_TYPE_STRING, /**< String iterator */
  JERRY_ITERATOR_TYPE_MAP, /**< Map iterator */
  JERRY_ITERATOR_TYPE_SET, /**< Set iterator */
} jerry_iterator_type_t;

/**
 * Module related types.
 */

/**
 * An enum representing the current status of a module
 */
typedef enum
{
  JERRY_MODULE_STATE_INVALID = 0, /**< return value for jerry_module_get_state when its argument is not a module */
  JERRY_MODULE_STATE_UNLINKED = 1, /**< module is currently unlinked */
  JERRY_MODULE_STATE_LINKING = 2, /**< module is currently being linked */
  JERRY_MODULE_STATE_LINKED = 3, /**< module has been linked (its dependencies has been resolved) */
  JERRY_MODULE_STATE_EVALUATING = 4, /**< module is currently being evaluated */
  JERRY_MODULE_STATE_EVALUATED = 5, /**< module has been evaluated (its source code has been executed) */
  JERRY_MODULE_STATE_ERROR = 6, /**< an error has been encountered before the evaluated state is reached */
} jerry_module_state_t;

/**
 * Callback which is called by jerry_module_link to get the referenced module.
 */
typedef jerry_value_t (*jerry_module_resolve_callback_t) (const jerry_value_t specifier,
                                                          const jerry_value_t referrer,
                                                          void *user_p);

/**
 * Callback which is called when an import is resolved dynamically to get the referenced module.
 */
typedef jerry_value_t (*jerry_module_import_callback_t) (const jerry_value_t specifier,
                                                         const jerry_value_t user_value,
                                                         void *user_p);

/**
 * Callback which is called after the module enters into linked, evaluated or error state.
 */
typedef void (*jerry_module_state_changed_callback_t) (jerry_module_state_t new_state,
                                                       const jerry_value_t module,
                                                       const jerry_value_t value,
                                                       void *user_p);

/**
 * Callback which is called when an import.meta expression of a module is evaluated the first time.
 */
typedef void (*jerry_module_import_meta_callback_t) (const jerry_value_t module,
                                                     const jerry_value_t meta_object,
                                                     void *user_p);

/**
 * Callback which is called by jerry_module_evaluate to evaluate the native module.
 */
typedef jerry_value_t (*jerry_native_module_evaluate_callback_t) (const jerry_value_t native_module);

/**
 * Proxy related types.
 */

/**
 * JerryScript special Proxy object options.
 */
typedef enum
{
  JERRY_PROXY_SKIP_RESULT_VALIDATION = (1u << 0), /**< skip result validation for [[GetPrototypeOf]],
                                                   *   [[SetPrototypeOf]], [[IsExtensible]],
                                                   *   [[PreventExtensions]], [[GetOwnProperty]],
                                                   *   [[DefineOwnProperty]], [[HasProperty]], [[Get]],
                                                   *   [[Set]], [[Delete]] and [[OwnPropertyKeys]] */
} jerry_proxy_object_options_t;

/**
 * Promise related types.
 */

/**
 * Enum values representing various Promise states.
 */
typedef enum
{
  JERRY_PROMISE_STATE_NONE = 0u, /**< Invalid/Unknown state (possibly called on a non-promise object). */
  JERRY_PROMISE_STATE_PENDING, /**< Promise is in "Pending" state. */
  JERRY_PROMISE_STATE_FULFILLED, /**< Promise is in "Fulfilled" state. */
  JERRY_PROMISE_STATE_REJECTED, /**< Promise is in "Rejected" state. */
} jerry_promise_state_t;

/**
 * Event types for jerry_promise_callback_t callback function.
 * The description of the 'object' and 'value' arguments are provided for each type.
 */
typedef enum
{
  JERRY_PROMISE_EVENT_CREATE = 0u, /**< a new Promise object is created
                                    *   object: the new Promise object
                                    *   value: parent Promise for `then` chains, undefined otherwise */
  JERRY_PROMISE_EVENT_RESOLVE, /**< called when a Promise is about to be resolved
                                *   object: the Promise object
                                *   value: value for resolving */
  JERRY_PROMISE_EVENT_REJECT, /**< called when a Promise is about to be rejected
                               *   object: the Promise object
                               *   value: value for rejecting */
  JERRY_PROMISE_EVENT_RESOLVE_FULFILLED, /**< called when a resolve is called on a fulfilled Promise
                                          *   object: the Promise object
                                          *   value: value for resolving */
  JERRY_PROMISE_EVENT_REJECT_FULFILLED, /**< called when a reject is called on a fulfilled Promise
                                         *  object: the Promise object
                                         *  value: value for rejecting */
  JERRY_PROMISE_EVENT_REJECT_WITHOUT_HANDLER, /**< called when a Promise is rejected without a handler
                                               *   object: the Promise object
                                               *   value: value for rejecting */
  JERRY_PROMISE_EVENT_CATCH_HANDLER_ADDED, /**< called when a catch handler is added to a rejected
                                            *   Promise which did not have a catch handler before
                                            *   object: the Promise object
                                            *   value: undefined */
  JERRY_PROMISE_EVENT_BEFORE_REACTION_JOB, /**< called before executing a Promise reaction job
                                            *   object: the Promise object
                                            *   value: undefined */
  JERRY_PROMISE_EVENT_AFTER_REACTION_JOB, /**< called after a Promise reaction job is completed
                                           *   object: the Promise object
                                           *   value: undefined */
  JERRY_PROMISE_EVENT_ASYNC_AWAIT, /**< called when an async function awaits the result of a Promise object
                                    *   object: internal object representing the execution status
                                    *   value: the Promise object */
  JERRY_PROMISE_EVENT_ASYNC_BEFORE_RESOLVE, /**< called when an async function is continued with resolve
                                             *   object: internal object representing the execution status
                                             *   value: value for resolving */
  JERRY_PROMISE_EVENT_ASYNC_BEFORE_REJECT, /**< called when an async function is continued with reject
                                            *   object: internal object representing the execution status
                                            *   value: value for rejecting */
  JERRY_PROMISE_EVENT_ASYNC_AFTER_RESOLVE, /**< called when an async function resolve is completed
                                            *   object: internal object representing the execution status
                                            *   value: value for resolving */
  JERRY_PROMISE_EVENT_ASYNC_AFTER_REJECT, /**< called when an async function reject is completed
                                           *   object: internal object representing the execution status
                                           *   value: value for rejecting */
} jerry_promise_event_type_t;

/**
 * Filter types for jerry_promise_set_callback callback function.
 * The callback is only called for those events which are enabled by the filters.
 */
typedef enum
{
  JERRY_PROMISE_EVENT_FILTER_DISABLE = 0, /**< disable reporting of all events */
  JERRY_PROMISE_EVENT_FILTER_CREATE = (1 << 0), /**< enables the following event:
                                                 *   JERRY_PROMISE_EVENT_CREATE */
  JERRY_PROMISE_EVENT_FILTER_RESOLVE = (1 << 1), /**< enables the following event:
                                                  *   JERRY_PROMISE_EVENT_RESOLVE */
  JERRY_PROMISE_EVENT_FILTER_REJECT = (1 << 2), /**< enables the following event:
                                                 *   JERRY_PROMISE_EVENT_REJECT */
  JERRY_PROMISE_EVENT_FILTER_ERROR = (1 << 3), /**< enables the following events:
                                                *   JERRY_PROMISE_EVENT_RESOLVE_FULFILLED
                                                *   JERRY_PROMISE_EVENT_REJECT_FULFILLED
                                                *   JERRY_PROMISE_EVENT_REJECT_WITHOUT_HANDLER
                                                *   JERRY_PROMISE_EVENT_CATCH_HANDLER_ADDED */
  JERRY_PROMISE_EVENT_FILTER_REACTION_JOB = (1 << 4), /**< enables the following events:
                                                       *   JERRY_PROMISE_EVENT_BEFORE_REACTION_JOB
                                                       *   JERRY_PROMISE_EVENT_AFTER_REACTION_JOB */
  JERRY_PROMISE_EVENT_FILTER_ASYNC_MAIN = (1 << 5), /**< enables the following event:
                                                     *   JERRY_PROMISE_EVENT_ASYNC_AWAIT */
  JERRY_PROMISE_EVENT_FILTER_ASYNC_REACTION_JOB = (1 << 6), /**< enables the following events:
                                                             *   JERRY_PROMISE_EVENT_ASYNC_BEFORE_RESOLVE
                                                             *   JERRY_PROMISE_EVENT_ASYNC_BEFORE_REJECT
                                                             *   JERRY_PROMISE_EVENT_ASYNC_AFTER_RESOLVE
                                                             *   JERRY_PROMISE_EVENT_ASYNC_AFTER_REJECT */
} jerry_promise_event_filter_t;

/**
 * Notification callback for tracking Promise and async function operations.
 */
typedef void (*jerry_promise_callback_t) (jerry_promise_event_type_t event_type,
                                          const jerry_value_t object,
                                          const jerry_value_t value,
                                          void *user_p);

/**
 * Symbol related types.
 */

/**
 * List of well-known symbols.
 */
typedef enum
{
  JERRY_SYMBOL_ASYNC_ITERATOR, /**< @@asyncIterator well-known symbol */
  JERRY_SYMBOL_HAS_INSTANCE, /**< @@hasInstance well-known symbol */
  JERRY_SYMBOL_IS_CONCAT_SPREADABLE, /**< @@isConcatSpreadable well-known symbol */
  JERRY_SYMBOL_ITERATOR, /**< @@iterator well-known symbol */
  JERRY_SYMBOL_MATCH, /**< @@match well-known symbol */
  JERRY_SYMBOL_REPLACE, /**< @@replace well-known symbol */
  JERRY_SYMBOL_SEARCH, /**< @@search well-known symbol */
  JERRY_SYMBOL_SPECIES, /**< @@species well-known symbol */
  JERRY_SYMBOL_SPLIT, /**< @@split well-known symbol */
  JERRY_SYMBOL_TO_PRIMITIVE, /**< @@toPrimitive well-known symbol */
  JERRY_SYMBOL_TO_STRING_TAG, /**< @@toStringTag well-known symbol */
  JERRY_SYMBOL_UNSCOPABLES, /**< @@unscopables well-known symbol */
  JERRY_SYMBOL_MATCH_ALL, /**< @@matchAll well-known symbol */
} jerry_well_known_symbol_t;

/**
 * TypedArray related types.
 */

/**
 * 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_BIGINT64,
  JERRY_TYPEDARRAY_BIGUINT64,
} jerry_typedarray_type_t;

/**
 * Container types.
 */
typedef enum
{
  JERRY_CONTAINER_TYPE_INVALID = 0, /**< Invalid container */
  JERRY_CONTAINER_TYPE_MAP, /**< Map type */
  JERRY_CONTAINER_TYPE_SET, /**< Set type */
  JERRY_CONTAINER_TYPE_WEAKMAP, /**< WeakMap type */
  JERRY_CONTAINER_TYPE_WEAKSET, /**< WeakSet type */
} jerry_container_type_t;

/**
 * Container operations
 */
typedef enum
{
  JERRY_CONTAINER_OP_ADD, /**< Set/WeakSet add operation */
  JERRY_CONTAINER_OP_GET, /**< Map/WeakMap get operation */
  JERRY_CONTAINER_OP_SET, /**< Map/WeakMap set operation */
  JERRY_CONTAINER_OP_HAS, /**< Set/WeakSet/Map/WeakMap has operation */
  JERRY_CONTAINER_OP_DELETE, /**< Set/WeakSet/Map/WeakMap delete operation */
  JERRY_CONTAINER_OP_SIZE, /**< Set/WeakSet/Map/WeakMap size operation */
  JERRY_CONTAINER_OP_CLEAR, /**< Set/Map clear operation */
} jerry_container_operation_t;

/**
 * Miscellaneous types.
 */

/**
 * Enabled fields of jerry_source_info_t.
 */
typedef enum
{
  JERRY_SOURCE_INFO_HAS_SOURCE_CODE = (1 << 0), /**< source_code field is valid */
  JERRY_SOURCE_INFO_HAS_FUNCTION_ARGUMENTS = (1 << 1), /**< function_arguments field is valid */
  JERRY_SOURCE_INFO_HAS_SOURCE_RANGE = (1 << 2), /**< both source_range_start and source_range_length
                                                  *   fields are valid */
} jerry_source_info_enabled_fields_t;

/**
 * Source related information of a script/module/function.
 */
typedef struct
{
  uint32_t enabled_fields; /**< combination of jerry_source_info_enabled_fields_t values */
  jerry_value_t source_code; /**< script source code or function body */
  jerry_value_t function_arguments; /**< function arguments */
  uint32_t source_range_start; /**< start position of the function in the source code */
  uint32_t source_range_length; /**< source length of the function in the source code */
} jerry_source_info_t;

/**
 * Array buffer types.
 */

/**
 * Type of an array buffer.
 */
typedef enum
{
  JERRY_ARRAYBUFFER_TYPE_ARRAYBUFFER, /**< the object is an array buffer object */
  JERRY_ARRAYBUFFER_TYPE_SHARED_ARRAYBUFFER, /**< the object is a shared array buffer object */
} jerry_arraybuffer_type_t;

/**
 * Callback for allocating the backing store of array buffer or shared array buffer objects.
 */
typedef uint8_t *(*jerry_arraybuffer_allocate_t) (jerry_arraybuffer_type_t buffer_type,
                                                  uint32_t buffer_size,
                                                  void **arraybuffer_user_p,
                                                  void *user_p);

/**
 * Callback for freeing the backing store of array buffer or shared array buffer objects.
 */
typedef void (*jerry_arraybuffer_free_t) (jerry_arraybuffer_type_t buffer_type,
                                          uint8_t *buffer_p,
                                          uint32_t buffer_size,
                                          void *arraybuffer_user_p,
                                          void *user_p);

/**
 * @}
 */

JERRY_C_API_END

#endif /* !JERRYSCRIPT_TYPES_H */
