#ifndef SRC_JS_NATIVE_API_H_

#define SRC_JS_NATIVE_API_H_

#include <stddef.h>

#include <stdbool.h>

#include "js_native_api_types.h"

#ifndef NAPI_VERSION

#ifdef NAPI_EXPERIMENTAL

// Use INT_MAX, this should only be consumed by the pre-processor anyway.

#define NAPI_VERSION 2147483647

#else

// The baseline version for N-API

#define NAPI_VERSION 3

#endif

#endif

// If you need __declspec(dllimport), either include <node_api.h> instead, or

// define NAPI_EXTERN as __declspec(dllimport) on the compiler's command line.

#ifndef NAPI_EXTERN

#ifdef _WIN32

#define NAPI_EXTERN __declspec(dllexport)

#else

#define NAPI_EXTERN /* nothing */

#endif

#endif

#define NAPI_AUTO_LENGTH SIZE_MAX

#ifdef __cplusplus

#define EXTERN_C_START extern "C" {

#define EXTERN_C_END }

#else

#define EXTERN_C_START

#define EXTERN_C_END

#endif

EXTERN_C_START

NAPI_EXTERN napi_status

napi_get_last_error_info(napi_env env,

const napi_extended_error_info** result);

// Getters for defined singletons

NAPI_EXTERN napi_status napi_get_undefined(napi_env env, napi_value* result);

NAPI_EXTERN napi_status napi_get_null(napi_env env, napi_value* result);

NAPI_EXTERN napi_status napi_get_global(napi_env env, napi_value* result);

NAPI_EXTERN napi_status napi_get_boolean(napi_env env,

bool value,

napi_value* result);

// Methods to create Primitive types/Objects

NAPI_EXTERN napi_status napi_create_object(napi_env env, napi_value* result);

NAPI_EXTERN napi_status napi_create_array(napi_env env, napi_value* result);

NAPI_EXTERN napi_status napi_create_array_with_length(napi_env env,

size_t length,

napi_value* result);

NAPI_EXTERN napi_status napi_create_double(napi_env env,

double value,

napi_value* result);

NAPI_EXTERN napi_status napi_create_int32(napi_env env,

int32_t value,

napi_value* result);

NAPI_EXTERN napi_status napi_create_uint32(napi_env env,

uint32_t value,

napi_value* result);

NAPI_EXTERN napi_status napi_create_int64(napi_env env,

int64_t value,

napi_value* result);

NAPI_EXTERN napi_status napi_create_string_latin1(napi_env env,

const char* str,

size_t length,

napi_value* result);

NAPI_EXTERN napi_status napi_create_string_utf8(napi_env env,

const char* str,

size_t length,

napi_value* result);

NAPI_EXTERN napi_status napi_create_string_utf16(napi_env env,

const char16_t* str,

size_t length,

napi_value* result);

NAPI_EXTERN napi_status napi_create_symbol(napi_env env,

napi_value description,

napi_value* result);

NAPI_EXTERN napi_status napi_create_function(napi_env env,

const char* utf8name,

size_t length,

napi_callback cb,

void* data,

napi_value* result);

NAPI_EXTERN napi_status napi_create_error(napi_env env,

napi_value code,

napi_value msg,

napi_value* result);

NAPI_EXTERN napi_status napi_create_type_error(napi_env env,

napi_value code,

napi_value msg,

napi_value* result);

NAPI_EXTERN napi_status napi_create_range_error(napi_env env,

napi_value code,

napi_value msg,

napi_value* result);

// Methods to get the native napi_value from Primitive type

NAPI_EXTERN napi_status napi_typeof(napi_env env,

napi_value value,

napi_valuetype* result);

NAPI_EXTERN napi_status napi_get_value_double(napi_env env,

napi_value value,

double* result);

NAPI_EXTERN napi_status napi_get_value_int32(napi_env env,

napi_value value,

int32_t* result);

NAPI_EXTERN napi_status napi_get_value_uint32(napi_env env,

napi_value value,

uint32_t* result);

NAPI_EXTERN napi_status napi_get_value_int64(napi_env env,

napi_value value,

int64_t* result);

NAPI_EXTERN napi_status napi_get_value_bool(napi_env env,

napi_value value,

bool* result);

// Copies LATIN-1 encoded bytes from a string into a buffer.

NAPI_EXTERN napi_status napi_get_value_string_latin1(napi_env env,

napi_value value,

char* buf,

size_t bufsize,

size_t* result);

// Copies UTF-8 encoded bytes from a string into a buffer.

NAPI_EXTERN napi_status napi_get_value_string_utf8(napi_env env,

napi_value value,

char* buf,

size_t bufsize,

size_t* result);

// Copies UTF-16 encoded bytes from a string into a buffer.

NAPI_EXTERN napi_status napi_get_value_string_utf16(napi_env env,

napi_value value,

char16_t* buf,

size_t bufsize,

size_t* result);

// Methods to coerce values

// These APIs may execute user scripts

NAPI_EXTERN napi_status napi_coerce_to_bool(napi_env env,

napi_value value,

napi_value* result);

NAPI_EXTERN napi_status napi_coerce_to_number(napi_env env,

napi_value value,

napi_value* result);

NAPI_EXTERN napi_status napi_coerce_to_object(napi_env env,

napi_value value,

napi_value* result);

NAPI_EXTERN napi_status napi_coerce_to_string(napi_env env,

napi_value value,

napi_value* result);

// Methods to work with Objects

NAPI_EXTERN napi_status napi_get_prototype(napi_env env,

napi_value object,

napi_value* result);

NAPI_EXTERN napi_status napi_get_property_names(napi_env env,

napi_value object,

napi_value* result);

NAPI_EXTERN napi_status napi_set_property(napi_env env,

napi_value object,

napi_value key,

napi_value value);

NAPI_EXTERN napi_status napi_has_property(napi_env env,

napi_value object,

napi_value key,

bool* result);

NAPI_EXTERN napi_status napi_get_property(napi_env env,

napi_value object,

napi_value key,

napi_value* result);

NAPI_EXTERN napi_status napi_delete_property(napi_env env,

napi_value object,

napi_value key,

bool* result);

NAPI_EXTERN napi_status napi_has_own_property(napi_env env,

napi_value object,

napi_value key,

bool* result);

NAPI_EXTERN napi_status napi_set_named_property(napi_env env,

napi_value object,

const char* utf8name,

napi_value value);

NAPI_EXTERN napi_status napi_has_named_property(napi_env env,

napi_value object,

const char* utf8name,

bool* result);

NAPI_EXTERN napi_status napi_get_named_property(napi_env env,

napi_value object,

const char* utf8name,

napi_value* result);

NAPI_EXTERN napi_status napi_set_element(napi_env env,

napi_value object,

uint32_t index,

napi_value value);

NAPI_EXTERN napi_status napi_has_element(napi_env env,

napi_value object,

uint32_t index,

bool* result);

NAPI_EXTERN napi_status napi_get_element(napi_env env,

napi_value object,

uint32_t index,

napi_value* result);

NAPI_EXTERN napi_status napi_delete_element(napi_env env,

napi_value object,

uint32_t index,

bool* result);

NAPI_EXTERN napi_status

napi_define_properties(napi_env env,

napi_value object,

size_t property_count,

const napi_property_descriptor* properties);

// Methods to work with Arrays

NAPI_EXTERN napi_status napi_is_array(napi_env env,

napi_value value,

bool* result);

NAPI_EXTERN napi_status napi_get_array_length(napi_env env,

napi_value value,

uint32_t* result);

// Methods to compare values

NAPI_EXTERN napi_status napi_strict_equals(napi_env env,

napi_value lhs,

napi_value rhs,

bool* result);

// Methods to work with Functions

NAPI_EXTERN napi_status napi_call_function(napi_env env,

napi_value recv,

napi_value func,

size_t argc,

const napi_value* argv,

napi_value* result);

NAPI_EXTERN napi_status napi_new_instance(napi_env env,

napi_value constructor,

size_t argc,

const napi_value* argv,

napi_value* result);

NAPI_EXTERN napi_status napi_instanceof(napi_env env,

napi_value object,

napi_value constructor,

bool* result);

// Methods to work with napi_callbacks

// Gets all callback info in a single call. (Ugly, but faster.)

NAPI_EXTERN napi_status napi_get_cb_info(

napi_env env, // [in] NAPI environment handle

napi_callback_info cbinfo, // [in] Opaque callback-info handle

size_t* argc, // [in-out] Specifies the size of the provided argv array

// and receives the actual count of args.

napi_value* argv, // [out] Array of values

napi_value* this_arg, // [out] Receives the JS 'this' arg for the call

void** data); // [out] Receives the data pointer for the callback.

NAPI_EXTERN napi_status napi_get_new_target(napi_env env,

napi_callback_info cbinfo,

napi_value* result);

NAPI_EXTERN napi_status

napi_define_class(napi_env env,

const char* utf8name,

size_t length,

napi_callback constructor,

void* data,

size_t property_count,

const napi_property_descriptor* properties,

napi_value* result);

// Methods to work with external data objects

NAPI_EXTERN napi_status napi_wrap(napi_env env,

napi_value js_object,

void* native_object,

napi_finalize finalize_cb,

void* finalize_hint,

napi_ref* result);

NAPI_EXTERN napi_status napi_unwrap(napi_env env,

napi_value js_object,

void** result);

NAPI_EXTERN napi_status napi_remove_wrap(napi_env env,

napi_value js_object,

void** result);

NAPI_EXTERN napi_status napi_create_external(napi_env env,

void* data,

napi_finalize finalize_cb,

void* finalize_hint,

napi_value* result);

NAPI_EXTERN napi_status napi_get_value_external(napi_env env,

napi_value value,

void** result);

// Methods to control object lifespan

// Set initial_refcount to 0 for a weak reference, >0 for a strong reference.

NAPI_EXTERN napi_status napi_create_reference(napi_env env,

napi_value value,

uint32_t initial_refcount,

napi_ref* result);

// Deletes a reference. The referenced value is released, and may

// be GC'd unless there are other references to it.

NAPI_EXTERN napi_status napi_delete_reference(napi_env env, napi_ref ref);

// Increments the reference count, optionally returning the resulting count.

// After this call the reference will be a strong reference because its

// refcount is >0, and the referenced object is effectively "pinned".

// Calling this when the refcount is 0 and the object is unavailable

// results in an error.

NAPI_EXTERN napi_status napi_reference_ref(napi_env env,

napi_ref ref,

uint32_t* result);

// Decrements the reference count, optionally returning the resulting count.

// If the result is 0 the reference is now weak and the object may be GC'd

// at any time if there are no other references. Calling this when the

// refcount is already 0 results in an error.

NAPI_EXTERN napi_status napi_reference_unref(napi_env env,

napi_ref ref,

uint32_t* result);

// Attempts to get a referenced value. If the reference is weak,

// the value might no longer be available, in that case the call

// is still successful but the result is NULL.

NAPI_EXTERN napi_status napi_get_reference_value(napi_env env,

napi_ref ref,

napi_value* result);

NAPI_EXTERN napi_status napi_open_handle_scope(napi_env env,

napi_handle_scope* result);

NAPI_EXTERN napi_status napi_close_handle_scope(napi_env env,

napi_handle_scope scope);

NAPI_EXTERN napi_status

napi_open_escapable_handle_scope(napi_env env,

napi_escapable_handle_scope* result);

NAPI_EXTERN napi_status

napi_close_escapable_handle_scope(napi_env env,

napi_escapable_handle_scope scope);

NAPI_EXTERN napi_status napi_escape_handle(napi_env env,

napi_escapable_handle_scope scope,

napi_value escapee,

napi_value* result);

// Methods to support error handling

NAPI_EXTERN napi_status napi_throw(napi_env env, napi_value error);

NAPI_EXTERN napi_status napi_throw_error(napi_env env,

const char* code,

const char* msg);

NAPI_EXTERN napi_status napi_throw_type_error(napi_env env,

const char* code,

const char* msg);

NAPI_EXTERN napi_status napi_throw_range_error(napi_env env,

const char* code,

const char* msg);

NAPI_EXTERN napi_status napi_is_error(napi_env env,

napi_value value,

bool* result);

// Methods to support catching exceptions

NAPI_EXTERN napi_status napi_is_exception_pending(napi_env env, bool* result);

NAPI_EXTERN napi_status napi_get_and_clear_last_exception(napi_env env,

napi_value* result);

// Methods to work with array buffers and typed arrays

NAPI_EXTERN napi_status napi_is_arraybuffer(napi_env env,

napi_value value,

bool* result);

NAPI_EXTERN napi_status napi_create_arraybuffer(napi_env env,

size_t byte_length,

void** data,

napi_value* result);

NAPI_EXTERN napi_status

napi_create_external_arraybuffer(napi_env env,

void* external_data,

size_t byte_length,

napi_finalize finalize_cb,

void* finalize_hint,

napi_value* result);

NAPI_EXTERN napi_status napi_get_arraybuffer_info(napi_env env,

napi_value arraybuffer,

void** data,

size_t* byte_length);

NAPI_EXTERN napi_status napi_is_typedarray(napi_env env,

napi_value value,

bool* result);

NAPI_EXTERN napi_status napi_create_typedarray(napi_env env,

napi_typedarray_type type,

size_t length,

napi_value arraybuffer,

size_t byte_offset,

napi_value* result);

NAPI_EXTERN napi_status napi_get_typedarray_info(napi_env env,

napi_value typedarray,

napi_typedarray_type* type,

size_t* length,

void** data,

napi_value* arraybuffer,

size_t* byte_offset);

NAPI_EXTERN napi_status napi_create_dataview(napi_env env,

size_t length,

napi_value arraybuffer,

size_t byte_offset,

napi_value* result);

NAPI_EXTERN napi_status napi_is_dataview(napi_env env,

napi_value value,

bool* result);

NAPI_EXTERN napi_status napi_get_dataview_info(napi_env env,

napi_value dataview,

size_t* bytelength,

void** data,

napi_value* arraybuffer,

size_t* byte_offset);

// version management

NAPI_EXTERN napi_status napi_get_version(napi_env env, uint32_t* result);

// Promises

NAPI_EXTERN napi_status napi_create_promise(napi_env env,

napi_deferred* deferred,

napi_value* promise);

NAPI_EXTERN napi_status napi_resolve_deferred(napi_env env,

napi_deferred deferred,

napi_value resolution);

NAPI_EXTERN napi_status napi_reject_deferred(napi_env env,

napi_deferred deferred,

napi_value rejection);

NAPI_EXTERN napi_status napi_is_promise(napi_env env,

napi_value promise,

bool* is_promise);

// Running a script

NAPI_EXTERN napi_status napi_run_script(napi_env env,

napi_value script,

napi_value* result);

// Memory management

NAPI_EXTERN napi_status napi_adjust_external_memory(napi_env env,

int64_t change_in_bytes,

int64_t* adjusted_value);

#ifdef NAPI_EXPERIMENTAL

NAPI_EXTERN napi_status napi_create_bigint_int64(napi_env env,

int64_t value,

napi_value* result);

NAPI_EXTERN napi_status napi_create_bigint_uint64(napi_env env,

uint64_t value,

napi_value* result);

NAPI_EXTERN napi_status napi_create_bigint_words(napi_env env,

int sign_bit,

size_t word_count,

const uint64_t* words,

napi_value* result);

NAPI_EXTERN napi_status napi_get_value_bigint_int64(napi_env env,

napi_value value,

int64_t* result,

bool* lossless);

NAPI_EXTERN napi_status napi_get_value_bigint_uint64(napi_env env,

napi_value value,

uint64_t* result,

bool* lossless);

NAPI_EXTERN napi_status napi_get_value_bigint_words(napi_env env,

napi_value value,

int* sign_bit,

size_t* word_count,

uint64_t* words);

NAPI_EXTERN napi_status napi_add_finalizer(napi_env env,

napi_value js_object,

void* native_object,

napi_finalize finalize_cb,

void* finalize_hint,

napi_ref* result);

#endif // NAPI_EXPERIMENTAL

EXTERN_C_END

#endif // SRC_JS_NATIVE_API_H_