#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 napi_module {
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
#if NAPI_VERSION >= 8
NAPI_EXTERN napi_status napi_add_async_cleanup_hook(
napi_env env, napi_async_cleanup_hook hook, void *arg,
napi_async_cleanup_hook_handle *remove_handle);
NAPI_EXTERN napi_status
napi_remove_async_cleanup_hook(napi_async_cleanup_hook_handle remove_handle);
#endif // NAPI_VERSION >= 8
#ifdef NAPI_EXPERIMENTAL
NAPI_EXTERN napi_status node_api_get_module_file_name(napi_env env,
const char **result);
#endif // NAPI_EXPERIMENTAL
EXTERN_C_END
#endif // SRC_NODE_API_H_
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Jarred Sumner