#ifndef SRC_NODE_API_H_

#define SRC_NODE_API_H_

#ifdef BUILDING_NODE_EXTENSION

#ifdef _WIN32

// Building native module against node

#define NAPI_EXTERN __declspec(dllimport)

#elif defined(__wasm32__)

#define NAPI_EXTERN __attribute__((__import_module__("napi")))

#endif

#endif

#include "js_native_api.h"

#include "node_api_types.h"

struct uv_loop_s; // Forward declaration.

#ifdef _WIN32

# define NAPI_MODULE_EXPORT __declspec(dllexport)

#else

# define NAPI_MODULE_EXPORT __attribute__((visibility("default")))

#endif

#if defined(__GNUC__)

# define NAPI_NO_RETURN __attribute__((noreturn))

#elif defined(_WIN32)

# define NAPI_NO_RETURN __declspec(noreturn)

#else

# define NAPI_NO_RETURN

#endif

typedef napi_value (*napi_addon_register_func)(napi_env env,

napi_value exports);

typedef struct {

int nm_version;

unsigned int nm_flags;

const char* nm_filename;

napi_addon_register_func nm_register_func;

const char* nm_modname;

void* nm_priv;

void* reserved[4];

} napi_module;

#define NAPI_MODULE_VERSION 1

#if defined(_MSC_VER)

#pragma section(".CRT$XCU", read)

#define NAPI_C_CTOR(fn) \

static void __cdecl fn(void); \

__declspec(dllexport, allocate(".CRT$XCU")) void(__cdecl * fn##_)(void) = \

fn; \

static void __cdecl fn(void)

#else

#define NAPI_C_CTOR(fn) \

static void fn(void) __attribute__((constructor)); \

static void fn(void)

#endif

#define NAPI_MODULE_X(modname, regfunc, priv, flags) \

EXTERN_C_START \

static napi_module _module = \

{ \

NAPI_MODULE_VERSION, \

flags, \

__FILE__, \

regfunc, \

#modname, \

priv, \

{0}, \

}; \

NAPI_C_CTOR(_register_ ## modname) { \

napi_module_register(&_module); \

} \

EXTERN_C_END

#define NAPI_MODULE_INITIALIZER_X(base, version) \

NAPI_MODULE_INITIALIZER_X_HELPER(base, version)

#define NAPI_MODULE_INITIALIZER_X_HELPER(base, version) base##version

#ifdef __wasm32__

#define NAPI_WASM_INITIALIZER \

NAPI_MODULE_INITIALIZER_X(napi_register_wasm_v, NAPI_MODULE_VERSION)

#define NAPI_MODULE(modname, regfunc) \

EXTERN_C_START \

NAPI_MODULE_EXPORT napi_value NAPI_WASM_INITIALIZER(napi_env env, \

napi_value exports) { \

return regfunc(env, exports); \

} \

EXTERN_C_END

#else

#define NAPI_MODULE(modname, regfunc) \

NAPI_MODULE_X(modname, regfunc, NULL, 0) // NOLINT (readability/null_usage)

#endif

#define NAPI_MODULE_INITIALIZER_BASE napi_register_module_v

#define NAPI_MODULE_INITIALIZER \

NAPI_MODULE_INITIALIZER_X(NAPI_MODULE_INITIALIZER_BASE, \

NAPI_MODULE_VERSION)

#define NAPI_MODULE_INIT() \

EXTERN_C_START \

NAPI_MODULE_EXPORT napi_value \

NAPI_MODULE_INITIALIZER(napi_env env, napi_value exports); \

EXTERN_C_END \

NAPI_MODULE(NODE_GYP_MODULE_NAME, NAPI_MODULE_INITIALIZER) \

napi_value NAPI_MODULE_INITIALIZER(napi_env env, \

napi_value exports)

EXTERN_C_START

NAPI_EXTERN void napi_module_register(napi_module* mod);

NAPI_EXTERN NAPI_NO_RETURN void napi_fatal_error(const char* location,

size_t location_len,

const char* message,

size_t message_len);

// Methods for custom handling of async operations

NAPI_EXTERN napi_status napi_async_init(napi_env env,

napi_value async_resource,

napi_value async_resource_name,

napi_async_context* result);

NAPI_EXTERN napi_status napi_async_destroy(napi_env env,

napi_async_context async_context);

NAPI_EXTERN napi_status napi_make_callback(napi_env env,

napi_async_context async_context,

napi_value recv,

napi_value func,

size_t argc,

const napi_value* argv,

napi_value* result);

// Methods to provide node::Buffer functionality with napi types

NAPI_EXTERN napi_status napi_create_buffer(napi_env env,

size_t length,

void** data,

napi_value* result);

NAPI_EXTERN napi_status napi_create_external_buffer(napi_env env,

size_t length,

void* data,

napi_finalize finalize_cb,

void* finalize_hint,

napi_value* result);

NAPI_EXTERN napi_status napi_create_buffer_copy(napi_env env,

size_t length,

const void* data,

void** result_data,

napi_value* result);

NAPI_EXTERN napi_status napi_is_buffer(napi_env env,

napi_value value,

bool* result);

NAPI_EXTERN napi_status napi_get_buffer_info(napi_env env,

napi_value value,

void** data,

size_t* length);

// Methods to manage simple async operations

NAPI_EXTERN

napi_status napi_create_async_work(napi_env env,

napi_value async_resource,

napi_value async_resource_name,

napi_async_execute_callback execute,

napi_async_complete_callback complete,

void* data,

napi_async_work* result);

NAPI_EXTERN napi_status napi_delete_async_work(napi_env env,

napi_async_work work);

NAPI_EXTERN napi_status napi_queue_async_work(napi_env env,

napi_async_work work);

NAPI_EXTERN napi_status napi_cancel_async_work(napi_env env,

napi_async_work work);

// version management

NAPI_EXTERN

napi_status napi_get_node_version(napi_env env,

const napi_node_version** version);

#if NAPI_VERSION >= 2

// Return the current libuv event loop for a given environment

NAPI_EXTERN napi_status napi_get_uv_event_loop(napi_env env,

struct uv_loop_s** loop);

#endif // NAPI_VERSION >= 2

#if NAPI_VERSION >= 3

NAPI_EXTERN napi_status napi_fatal_exception(napi_env env, napi_value err);

NAPI_EXTERN napi_status napi_add_env_cleanup_hook(napi_env env,

void (*fun)(void* arg),

void* arg);

NAPI_EXTERN napi_status napi_remove_env_cleanup_hook(napi_env env,

void (*fun)(void* arg),

void* arg);

NAPI_EXTERN napi_status napi_open_callback_scope(napi_env env,

napi_value resource_object,

napi_async_context context,

napi_callback_scope* result);

NAPI_EXTERN napi_status napi_close_callback_scope(napi_env env,

napi_callback_scope scope);

#endif // NAPI_VERSION >= 3

#if NAPI_VERSION >= 4

#ifndef __wasm32__

// Calling into JS from other threads

NAPI_EXTERN napi_status

napi_create_threadsafe_function(napi_env env,

napi_value func,

napi_value async_resource,

napi_value async_resource_name,

size_t max_queue_size,

size_t initial_thread_count,

void* thread_finalize_data,

napi_finalize thread_finalize_cb,

void* context,

napi_threadsafe_function_call_js call_js_cb,

napi_threadsafe_function* result);

NAPI_EXTERN napi_status

napi_get_threadsafe_function_context(napi_threadsafe_function func,

void** result);

NAPI_EXTERN napi_status

napi_call_threadsafe_function(napi_threadsafe_function func,

void* data,

napi_threadsafe_function_call_mode is_blocking);

NAPI_EXTERN napi_status

napi_acquire_threadsafe_function(napi_threadsafe_function func);

NAPI_EXTERN napi_status

napi_release_threadsafe_function(napi_threadsafe_function func,

napi_threadsafe_function_release_mode mode);

NAPI_EXTERN napi_status

napi_unref_threadsafe_function(napi_env env, napi_threadsafe_function func);

NAPI_EXTERN napi_status

napi_ref_threadsafe_function(napi_env env, napi_threadsafe_function func);

#endif // __wasm32__

#endif // NAPI_VERSION >= 4

#ifdef NAPI_EXPERIMENTAL

NAPI_EXTERN napi_status napi_add_async_cleanup_hook(

napi_env env,

void (*fun)(void* arg, void(* cb)(void*), void* cbarg),

void* arg,

napi_async_cleanup_hook_handle* remove_handle);

NAPI_EXTERN napi_status napi_remove_async_cleanup_hook(

napi_env env,

napi_async_cleanup_hook_handle remove_handle);

#endif // NAPI_EXPERIMENTAL

EXTERN_C_END

#endif // SRC_NODE_API_H_