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2022-09-30 05:39:11 +00:00
parent 41ee9463ae
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{
'targets': [
{
'target_name': 'nothing',
'type': 'static_library',
'sources': [ 'nothing.c' ]
},
{
'target_name': 'node-api',
'type': 'static_library',
'sources': [
'node_api.cc',
'node_internals.cc',
],
'defines': [
'EXTERNAL_NAPI',
],
'cflags_cc': ['-fvisibility=hidden']
}
]
}

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/******************************************************************************
* Experimental prototype for demonstrating VM agnostic and ABI stable API
* for native modules to use instead of using Nan and V8 APIs directly.
*
* The current status is "Experimental" and should not be used for
* production applications. The API is still subject to change
* and as an experimental feature is NOT subject to semver.
*
******************************************************************************/
#ifndef SRC_NODE_API_H_
#define SRC_NODE_API_H_
#include <stddef.h>
#include <stdbool.h>
#include "node_api_types.h"
#ifdef _WIN32
#ifdef BUILDING_NODE_EXTENSION
#ifdef EXTERNAL_NAPI
// Building external N-API, or native module against external N-API
#define NAPI_EXTERN /* nothing */
#else
// Building native module against node with built-in N-API
#define NAPI_EXTERN __declspec(dllimport)
#endif
#else
// Building node with built-in N-API
#define NAPI_EXTERN __declspec(dllexport)
#endif
#else
#define NAPI_EXTERN /* nothing */
#endif
#ifdef _WIN32
# define NAPI_MODULE_EXPORT __declspec(dllexport)
#else
# define NAPI_MODULE_EXPORT __attribute__((visibility("default")))
#endif
#ifdef __GNUC__
#define NAPI_NO_RETURN __attribute__((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
#ifdef __cplusplus
#define EXTERN_C_START extern "C" {
#define EXTERN_C_END }
#else
#define EXTERN_C_START
#define EXTERN_C_END
#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(modname, regfunc) \
NAPI_MODULE_X(modname, regfunc, NULL, 0)
#define NAPI_AUTO_LENGTH SIZE_MAX
EXTERN_C_START
NAPI_EXTERN void napi_module_register(napi_module* mod);
NAPI_EXTERN napi_status
napi_get_last_error_info(napi_env env,
const napi_extended_error_info** result);
NAPI_EXTERN napi_status napi_fatal_exception(napi_env env, napi_value err);
NAPI_EXTERN NAPI_NO_RETURN void napi_fatal_error(const char* location,
size_t location_len,
const char* message,
size_t message_len);
// 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 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 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 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);
// 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);
// 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);
// version management
NAPI_EXTERN napi_status napi_get_version(napi_env env, uint32_t* result);
NAPI_EXTERN
napi_status napi_get_node_version(napi_env env,
const napi_node_version** version);
// 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);
// Memory management
NAPI_EXTERN napi_status napi_adjust_external_memory(napi_env env,
int64_t change_in_bytes,
int64_t* adjusted_value);
// Runnig a script
NAPI_EXTERN napi_status napi_run_script(napi_env env,
napi_value script,
napi_value* result);
EXTERN_C_END
#endif // SRC_NODE_API_H_

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#ifndef SRC_NODE_API_TYPES_H_
#define SRC_NODE_API_TYPES_H_
#include <stddef.h>
#include <stdint.h>
#if !defined __cplusplus || (defined(_MSC_VER) && _MSC_VER < 1900)
typedef uint16_t char16_t;
#endif
// JSVM API types are all opaque pointers for ABI stability
// typedef undefined structs instead of void* for compile time type safety
typedef struct napi_env__ *napi_env;
typedef struct napi_value__ *napi_value;
typedef struct napi_ref__ *napi_ref;
typedef struct napi_handle_scope__ *napi_handle_scope;
typedef struct napi_escapable_handle_scope__ *napi_escapable_handle_scope;
typedef struct napi_callback_info__ *napi_callback_info;
typedef struct napi_async_context__ *napi_async_context;
typedef struct napi_async_work__ *napi_async_work;
typedef struct napi_deferred__ *napi_deferred;
typedef enum {
napi_default = 0,
napi_writable = 1 << 0,
napi_enumerable = 1 << 1,
napi_configurable = 1 << 2,
// Used with napi_define_class to distinguish static properties
// from instance properties. Ignored by napi_define_properties.
napi_static = 1 << 10,
} napi_property_attributes;
typedef enum {
// ES6 types (corresponds to typeof)
napi_undefined,
napi_null,
napi_boolean,
napi_number,
napi_string,
napi_symbol,
napi_object,
napi_function,
napi_external,
} napi_valuetype;
typedef enum {
napi_int8_array,
napi_uint8_array,
napi_uint8_clamped_array,
napi_int16_array,
napi_uint16_array,
napi_int32_array,
napi_uint32_array,
napi_float32_array,
napi_float64_array,
} napi_typedarray_type;
typedef enum {
napi_ok,
napi_invalid_arg,
napi_object_expected,
napi_string_expected,
napi_name_expected,
napi_function_expected,
napi_number_expected,
napi_boolean_expected,
napi_array_expected,
napi_generic_failure,
napi_pending_exception,
napi_cancelled,
napi_escape_called_twice,
napi_handle_scope_mismatch
} napi_status;
typedef napi_value (*napi_callback)(napi_env env,
napi_callback_info info);
typedef void (*napi_finalize)(napi_env env,
void* finalize_data,
void* finalize_hint);
typedef void (*napi_async_execute_callback)(napi_env env,
void* data);
typedef void (*napi_async_complete_callback)(napi_env env,
napi_status status,
void* data);
typedef struct {
// One of utf8name or name should be NULL.
const char* utf8name;
napi_value name;
napi_callback method;
napi_callback getter;
napi_callback setter;
napi_value value;
napi_property_attributes attributes;
void* data;
} napi_property_descriptor;
typedef struct {
const char* error_message;
void* engine_reserved;
uint32_t engine_error_code;
napi_status error_code;
} napi_extended_error_info;
typedef struct {
uint32_t major;
uint32_t minor;
uint32_t patch;
const char* release;
} napi_node_version;
#endif // SRC_NODE_API_TYPES_H_

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#include "node_internals.h"
#include <stdlib.h>
#include <cstdarg>
#include <vector>
#include "uv.h"
#if defined(_MSC_VER)
#define getpid GetCurrentProcessId
#else
#include <unistd.h> // getpid
#endif
#if NODE_MAJOR_VERSION < 8 || NODE_MAJOR_VERSION == 8 && NODE_MINOR_VERSION < 6
CallbackScope::CallbackScope(void *work) {
}
#endif // NODE_MAJOR_VERSION < 8
namespace node {
#if NODE_MAJOR_VERSION < 8
async_context EmitAsyncInit(v8::Isolate* isolate,
v8::Local<v8::Object> resource,
v8::Local<v8::String> name,
async_id trigger_async_id) {
return async_context();
}
void EmitAsyncDestroy(v8::Isolate* isolate,
async_context asyncContext) {
}
AsyncResource::AsyncResource(v8::Isolate* isolate,
v8::Local<v8::Object> object,
const char *name) {
}
#endif // NODE_MAJOR_VERSION < 8
#if NODE_MAJOR_VERSION < 8 || NODE_MAJOR_VERSION == 8 && NODE_MINOR_VERSION < 6
v8::MaybeLocal<v8::Value> MakeCallback(v8::Isolate* isolate,
v8::Local<v8::Object> recv,
v8::Local<v8::Function> callback,
int argc,
v8::Local<v8::Value>* argv,
async_context asyncContext) {
return node::MakeCallback(isolate, recv, callback, argc, argv);
}
#endif // NODE_MAJOR_VERSION < 8 || NODE_MAJOR_VERSION == 8 && NODE_MINOR_VERSION < 6
static void PrintErrorString(const char* format, ...) {
va_list ap;
va_start(ap, format);
#ifdef _WIN32
HANDLE stderr_handle = GetStdHandle(STD_ERROR_HANDLE);
// Check if stderr is something other than a tty/console
if (stderr_handle == INVALID_HANDLE_VALUE ||
stderr_handle == nullptr ||
uv_guess_handle(_fileno(stderr)) != UV_TTY) {
vfprintf(stderr, format, ap);
va_end(ap);
return;
}
// Fill in any placeholders
int n = _vscprintf(format, ap);
std::vector<char> out(n + 1);
vsprintf(out.data(), format, ap);
// Get required wide buffer size
n = MultiByteToWideChar(CP_UTF8, 0, out.data(), -1, nullptr, 0);
std::vector<wchar_t> wbuf(n);
MultiByteToWideChar(CP_UTF8, 0, out.data(), -1, wbuf.data(), n);
// Don't include the null character in the output
CHECK_GT(n, 0);
WriteConsoleW(stderr_handle, wbuf.data(), n - 1, nullptr, nullptr);
#else
vfprintf(stderr, format, ap);
#endif
va_end(ap);
}
void DumpBacktrace(FILE* fp) {
}
NO_RETURN void Abort() {
DumpBacktrace(stderr);
fflush(stderr);
ABORT_NO_BACKTRACE();
}
NO_RETURN void Assert(const char* const (*args)[4]) {
auto filename = (*args)[0];
auto linenum = (*args)[1];
auto message = (*args)[2];
auto function = (*args)[3];
char exepath[256];
size_t exepath_size = sizeof(exepath);
if (uv_exepath(exepath, &exepath_size))
snprintf(exepath, sizeof(exepath), "node");
char pid[12] = {0};
snprintf(pid, sizeof(pid), "[%u]", getpid());
fprintf(stderr, "%s%s: %s:%s:%s%s Assertion `%s' failed.\n",
exepath, pid, filename, linenum,
function, *function ? ":" : "", message);
fflush(stderr);
Abort();
}
static void OnFatalError(const char* location, const char* message) {
if (location) {
PrintErrorString("FATAL ERROR: %s %s\n", location, message);
} else {
PrintErrorString("FATAL ERROR: %s\n", message);
}
fflush(stderr);
ABORT();
}
NO_RETURN void FatalError(const char* location, const char* message) {
OnFatalError(location, message);
// to suppress compiler warning
ABORT();
}
} // namespace node
#if NODE_MAJOR_VERSION < 6
v8::Local<v8::Name> v8::Private::ForApi(v8::Isolate* isolate,
v8::Local<v8::String> key) {
return v8::Symbol::ForApi(isolate, key);
}
#endif // NODE_MAJOR_VERSION < 6

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#ifndef SRC_NODE_INTERNALS_H_
#define SRC_NODE_INTERNALS_H_
//
// This is a stripped down shim to allow node_api.cc to build outside of the node source tree.
//
#include "node_version.h"
#include "util-inl.h"
#include <stdio.h>
#include <stdint.h>
#include "uv.h"
#include "node.h"
#include <string>
// Windows 8+ does not like abort() in Release mode
#ifdef _WIN32
#define ABORT_NO_BACKTRACE() raise(SIGABRT)
#else
#define ABORT_NO_BACKTRACE() abort()
#endif
#define ABORT() node::Abort()
#ifdef __GNUC__
#define LIKELY(expr) __builtin_expect(!!(expr), 1)
#define UNLIKELY(expr) __builtin_expect(!!(expr), 0)
#define PRETTY_FUNCTION_NAME __PRETTY_FUNCTION__
#else
#define LIKELY(expr) expr
#define UNLIKELY(expr) expr
#define PRETTY_FUNCTION_NAME ""
#endif
#define STRINGIFY_(x) #x
#define STRINGIFY(x) STRINGIFY_(x)
#define CHECK(expr) \
do { \
if (UNLIKELY(!(expr))) { \
static const char* const args[] = { __FILE__, STRINGIFY(__LINE__), \
#expr, PRETTY_FUNCTION_NAME }; \
node::Assert(&args); \
} \
} while (0)
#define CHECK_EQ(a, b) CHECK((a) == (b))
#define CHECK_GE(a, b) CHECK((a) >= (b))
#define CHECK_GT(a, b) CHECK((a) > (b))
#define CHECK_LE(a, b) CHECK((a) <= (b))
#define CHECK_LT(a, b) CHECK((a) < (b))
#define CHECK_NE(a, b) CHECK((a) != (b))
#ifdef __GNUC__
#define NO_RETURN __attribute__((noreturn))
#else
#define NO_RETURN
#endif
#ifndef NODE_RELEASE
#define NODE_RELEASE "node"
#endif
#if NODE_MAJOR_VERSION < 8 || NODE_MAJOR_VERSION == 8 && NODE_MINOR_VERSION < 6
class CallbackScope {
public:
CallbackScope(void *work);
};
#endif // NODE_MAJOR_VERSION < 8
namespace node {
// Copied from Node.js' src/node_persistent.h
template <typename T>
struct ResetInDestructorPersistentTraits {
static const bool kResetInDestructor = true;
template <typename S, typename M>
// Disallow copy semantics by leaving this unimplemented.
inline static void Copy(
const v8::Persistent<S, M>&,
v8::Persistent<T, ResetInDestructorPersistentTraits<T>>*);
};
// v8::Persistent does not reset the object slot in its destructor. That is
// acknowledged as a flaw in the V8 API and expected to change in the future
// but for now node::Persistent is the easier and safer alternative.
template <typename T>
using Persistent = v8::Persistent<T, ResetInDestructorPersistentTraits<T>>;
#if NODE_MAJOR_VERSION < 8 || NODE_MAJOR_VERSION == 8 && NODE_MINOR_VERSION < 2
typedef int async_id;
typedef struct async_context {
node::async_id async_id;
node::async_id trigger_async_id;
} async_context;
#endif // NODE_MAJOR_VERSION < 8.2
#if NODE_MAJOR_VERSION < 8 || NODE_MAJOR_VERSION == 8 && NODE_MINOR_VERSION < 6
NODE_EXTERN async_context EmitAsyncInit(v8::Isolate* isolate,
v8::Local<v8::Object> resource,
v8::Local<v8::String> name,
async_id trigger_async_id = -1);
NODE_EXTERN void EmitAsyncDestroy(v8::Isolate* isolate,
async_context asyncContext);
v8::MaybeLocal<v8::Value> MakeCallback(v8::Isolate* isolate,
v8::Local<v8::Object> recv,
v8::Local<v8::Function> callback,
int argc,
v8::Local<v8::Value>* argv,
async_context asyncContext);
#if NODE_MAJOR_VERSION < 8
class AsyncResource {
public:
AsyncResource(v8::Isolate* isolate,
v8::Local<v8::Object> object,
const char *name);
};
#endif // node version below 8
#endif // node version below 8.6
// The slightly odd function signature for Assert() is to ease
// instruction cache pressure in calls from ASSERT and CHECK.
NO_RETURN void Abort();
NO_RETURN void Assert(const char* const (*args)[4]);
void DumpBacktrace(FILE* fp);
template <typename T, size_t N>
constexpr size_t arraysize(const T(&)[N]) { return N; }
NO_RETURN void FatalError(const char* location, const char* message);
} // namespace node
#if NODE_MAJOR_VERSION < 8
#define NewTarget This
#endif // NODE_MAJOR_VERSION < 8
#if NODE_MAJOR_VERSION < 6
namespace v8 {
namespace Private {
v8::Local<v8::Name> ForApi(v8::Isolate* isolate, v8::Local<v8::String> key);
}
}
#define GetPrivate(context, key) Get((context), (key))
#define SetPrivate(context, key, value) \
DefineOwnProperty((context), (key), (value), \
static_cast<v8::PropertyAttribute>(v8::DontEnum | \
v8::DontDelete | \
v8::ReadOnly))
#endif // NODE_MAJOR_VERSION < 6
#endif // SRC_NODE_INTERNALS_H_

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#ifndef SRC_UTIL_INL_H_
#define SRC_UTIL_INL_H_
#include "util.h"
#include "v8.h"
namespace node {
inline v8::Local<v8::String> OneByteString(v8::Isolate* isolate,
const char* data,
int length) {
return v8::String::NewFromOneByte(isolate,
reinterpret_cast<const uint8_t*>(data),
v8::NewStringType::kNormal,
length).ToLocalChecked();
}
inline v8::Local<v8::String> OneByteString(v8::Isolate* isolate,
const signed char* data,
int length) {
return v8::String::NewFromOneByte(isolate,
reinterpret_cast<const uint8_t*>(data),
v8::NewStringType::kNormal,
length).ToLocalChecked();
}
inline v8::Local<v8::String> OneByteString(v8::Isolate* isolate,
const unsigned char* data,
int length) {
return v8::String::NewFromOneByte(isolate,
reinterpret_cast<const uint8_t*>(data),
v8::NewStringType::kNormal,
length).ToLocalChecked();
}
} // namespace node
#endif // SRC_UTIL_INL_H_

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#ifndef SRC_UTIL_H_
#define SRC_UTIL_H_
#define FIXED_ONE_BYTE_STRING(isolate, string) \
(node::OneByteString((isolate), (string), sizeof(string) - 1))
#endif // SRC_UTIL_H_