if (trace_enabled) {

tracing_agent_.reset(new tracing::Agent());

platform_ = new NodePlatform(thread_pool_size,

tracing_agent_->GetTracingController());

V8::InitializePlatform(platform_);

tracing::TraceEventHelper::SetTracingController(

tracing_agent_->GetTracingController());

} else {

tracing_agent_.reset(nullptr);

platform_ = new NodePlatform(thread_pool_size, nullptr);

V8::InitializePlatform(platform_);

tracing::TraceEventHelper::SetTracingController(

new v8::TracingController());

}

platform_->Shutdown();

delete platform_;

platform_ = nullptr;

tracing_agent_.reset(nullptr);

const node::DebugOptions& options) {

// Inspector agent can't fail to start, but if it was configured to listen

// right away on the websocket port and fails to bind/etc, this will return

// false.

return env->inspector_agent()->Start(platform_, script_path, options);

const node::DebugOptions& options) {

env->ThrowError("Node compiled with NODE_USE_V8_PLATFORM=0");

return true;

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);

int errorno,

const char *syscall,

const char *msg,

const char *path) {

Environment* env = Environment::GetCurrent(isolate);

Local<Value> e;

Local<String> estring = OneByteString(env->isolate(), errno_string(errorno));

if (msg == nullptr || msg[0] == '\0') {

msg = strerror(errorno);

}

Local<String> message = OneByteString(env->isolate(), msg);

Local<String> cons =

String::Concat(estring, FIXED_ONE_BYTE_STRING(env->isolate(), ", "));

cons = String::Concat(cons, message);

Local<String> path_string;

if (path != nullptr) {

// FIXME(bnoordhuis) It's questionable to interpret the file path as UTF-8.

path_string = String::NewFromUtf8(env->isolate(), path);

}

if (path_string.IsEmpty() == false) {

cons = String::Concat(cons, FIXED_ONE_BYTE_STRING(env->isolate(), " '"));

cons = String::Concat(cons, path_string);

cons = String::Concat(cons, FIXED_ONE_BYTE_STRING(env->isolate(), "'"));

}

e = Exception::Error(cons);

Local<Object> obj = e.As<Object>();

obj->Set(env->errno_string(), Integer::New(env->isolate(), errorno));

obj->Set(env->code_string(), estring);

if (path_string.IsEmpty() == false) {

obj->Set(env->path_string(), path_string);

}

if (syscall != nullptr) {

obj->Set(env->syscall_string(), OneByteString(env->isolate(), syscall));

}

return e;

#ifdef _WIN32

if (strncmp(path, "\\\\?\\UNC\\", 8) == 0) {

return String::Concat(FIXED_ONE_BYTE_STRING(isolate, "\\\\"),

String::NewFromUtf8(isolate, path + 8));

} else if (strncmp(path, "\\\\?\\", 4) == 0) {

return String::NewFromUtf8(isolate, path + 4);

}

#endif

return String::NewFromUtf8(isolate, path);

int errorno,

const char* syscall,

const char* msg,

const char* path) {

return UVException(isolate, errorno, syscall, msg, path, nullptr);

int errorno,

const char* syscall,

const char* msg,

const char* path,

const char* dest) {

Environment* env = Environment::GetCurrent(isolate);

if (!msg || !msg[0])

msg = uv_strerror(errorno);

Local<String> js_code = OneByteString(isolate, uv_err_name(errorno));

Local<String> js_syscall = OneByteString(isolate, syscall);

Local<String> js_path;

Local<String> js_dest;

Local<String> js_msg = js_code;

js_msg = String::Concat(js_msg, FIXED_ONE_BYTE_STRING(isolate, ": "));

js_msg = String::Concat(js_msg, OneByteString(isolate, msg));

js_msg = String::Concat(js_msg, FIXED_ONE_BYTE_STRING(isolate, ", "));

js_msg = String::Concat(js_msg, js_syscall);

if (path != nullptr) {

js_path = StringFromPath(isolate, path);

js_msg = String::Concat(js_msg, FIXED_ONE_BYTE_STRING(isolate, " '"));

js_msg = String::Concat(js_msg, js_path);

js_msg = String::Concat(js_msg, FIXED_ONE_BYTE_STRING(isolate, "'"));

}

if (dest != nullptr) {

js_dest = StringFromPath(isolate, dest);

js_msg = String::Concat(js_msg, FIXED_ONE_BYTE_STRING(isolate, " -> '"));

js_msg = String::Concat(js_msg, js_dest);

js_msg = String::Concat(js_msg, FIXED_ONE_BYTE_STRING(isolate, "'"));

}

Local<Object> e = Exception::Error(js_msg)->ToObject(isolate);

e->Set(env->errno_string(), Integer::New(isolate, errorno));

e->Set(env->code_string(), js_code);

e->Set(env->syscall_string(), js_syscall);

if (!js_path.IsEmpty())

e->Set(env->path_string(), js_path);

if (!js_dest.IsEmpty())

e->Set(env->dest_string(), js_dest);

return e;

#if !defined(__CloudABI__) && !defined(_WIN32)

if (linux_at_secure || getuid() != geteuid() || getgid() != getegid())

goto fail;

#endif

if (const char* value = getenv(key)) {

*text = value;

return true;

}

fail:

text->clear();

return false;

int errorno,

const char* syscall,

const char* msg,

const char* path) {

Environment* env = Environment::GetCurrent(isolate);

Local<Value> e;

bool must_free = false;

if (!msg || !msg[0]) {

msg = winapi_strerror(errorno, &must_free);

}

Local<String> message = OneByteString(env->isolate(), msg);

if (path) {

Local<String> cons1 =

String::Concat(message, FIXED_ONE_BYTE_STRING(isolate, " '"));

Local<String> cons2 =

String::Concat(cons1, String::NewFromUtf8(isolate, path));

Local<String> cons3 =

String::Concat(cons2, FIXED_ONE_BYTE_STRING(isolate, "'"));

e = Exception::Error(cons3);

} else {

e = Exception::Error(message);

}

Local<Object> obj = e.As<Object>();

obj->Set(env->errno_string(), Integer::New(isolate, errorno));

if (path != nullptr) {

obj->Set(env->path_string(), String::NewFromUtf8(isolate, path));

}

if (syscall != nullptr) {

obj->Set(env->syscall_string(), OneByteString(isolate, syscall));

}

if (must_free)

LocalFree((HLOCAL)msg);

return e;

HandleScope scope(isolate);

Environment* env = Environment::GetCurrent(isolate);

return env->should_abort_on_uncaught_toggle()[0] &&

!env->inside_should_not_abort_on_uncaught_scope();

Local<Value> domain_v =

object->GetPrivate(env->context(), env->domain_private_symbol())

.ToLocalChecked();

if (domain_v->IsObject()) {

return domain_v;

}

return object->Get(env->context(), env->domain_string()).ToLocalChecked();

Local<Value> domain_v = GetDomainProperty(env, object);

if (domain_v->IsObject()) {

Local<Object> domain = domain_v.As<Object>();

Local<Value> enter_v = domain->Get(env->enter_string());

if (enter_v->IsFunction()) {

if (enter_v.As<Function>()->Call(domain, 0, nullptr).IsEmpty()) {

FatalError("node::AsyncWrap::MakeCallback",

"domain enter callback threw, please report this");

}

}

}

Local<Value> domain_v = GetDomainProperty(env, object);

if (domain_v->IsObject()) {

Local<Object> domain = domain_v.As<Object>();

Local<Value> exit_v = domain->Get(env->exit_string());

if (exit_v->IsFunction()) {

if (exit_v.As<Function>()->Call(domain, 0, nullptr).IsEmpty()) {

FatalError("node::AsyncWrap::MakeCallback",

"domain exit callback threw, please report this");

}

}

}

Environment* env = Environment::GetCurrent(args);

if (env->using_domains())

return;

env->set_using_domains(true);

HandleScope scope(env->isolate());

// Do a little housekeeping.

env->process_object()->Delete(

env->context(),

FIXED_ONE_BYTE_STRING(args.GetIsolate(), "_setupDomainUse")).FromJust();

Environment* env = Environment::GetCurrent(args);

CHECK(args[0]->IsFunction());

env->set_push_values_to_array_function(args[0].As<Function>());

env->process_object()->Delete(

env->context(),

FIXED_ONE_BYTE_STRING(env->isolate(), "_setupProcessObject")).FromJust();

Environment* env = Environment::GetCurrent(args);

CHECK(args[0]->IsFunction());

env->set_tick_callback_function(args[0].As<Function>());

env->process_object()->Delete(

env->context(),

FIXED_ONE_BYTE_STRING(env->isolate(), "_setupNextTick")).FromJust();

v8::Local<v8::Function> run_microtasks_fn =

env->NewFunctionTemplate(RunMicrotasks)->GetFunction(env->context())

.ToLocalChecked();

run_microtasks_fn->SetName(

FIXED_ONE_BYTE_STRING(env->isolate(), "runMicrotasks"));

Local<Array> ret = Array::New(env->isolate(), 2);

ret->Set(env->context(), 0,

env->tick_info()->fields().GetJSArray()).FromJust();

ret->Set(env->context(), 1, run_microtasks_fn).FromJust();

args.GetReturnValue().Set(ret);

Local<Promise> promise = message.GetPromise();

Isolate* isolate = promise->GetIsolate();

Local<Value> value = message.GetValue();

Local<Integer> event = Integer::New(isolate, message.GetEvent());

Environment* env = Environment::GetCurrent(isolate);

Local<Function> callback = env->promise_reject_function();

if (value.IsEmpty())

value = Undefined(isolate);

Local<Value> args[] = { event, promise, value };

Local<Object> process = env->process_object();

callback->Call(process, arraysize(args), args);

Environment* env = Environment::GetCurrent(args);

Isolate* isolate = env->isolate();

CHECK(args[0]->IsFunction());

isolate->SetPromiseRejectCallback(PromiseRejectCallback);

env->set_promise_reject_function(args[0].As<Function>());

env->process_object()->Delete(

env->context(),

FIXED_ONE_BYTE_STRING(isolate, "_setupPromises")).FromJust();

Local<Object> object,

async_context asyncContext)

: private_(new InternalCallbackScope(Environment::GetCurrent(isolate),

object,

asyncContext)),

try_catch_(isolate) {

try_catch_.SetVerbose(true);

: InternalCallbackScope(async_wrap->env(),

async_wrap->object(),

{ async_wrap->get_async_id(),

Local<Object> object,

const async_context& asyncContext,

ResourceExpectation expect)

: env_(env),

async_context_(asyncContext),

object_(object),

callback_scope_(env) {

if (expect == kRequireResource) {

CHECK(!object.IsEmpty());

}

HandleScope handle_scope(env->isolate());

// If you hit this assertion, you forgot to enter the v8::Context first.

CHECK_EQ(Environment::GetCurrent(env->isolate()), env);

if (asyncContext.async_id == 0 && env->using_domains() &&

!object_.IsEmpty()) {

DomainEnter(env, object_);

}

if (asyncContext.async_id != 0) {

// No need to check a return value because the application will exit if

// an exception occurs.

AsyncWrap::EmitBefore(env, asyncContext.async_id);

}

env->async_hooks()->push_async_ids(async_context_.async_id,

async_context_.trigger_async_id);

pushed_ids_ = true;

if (closed_) return;

closed_ = true;

HandleScope handle_scope(env_->isolate());

if (pushed_ids_)

env_->async_hooks()->pop_async_id(async_context_.async_id);

if (failed_) return;

if (async_context_.async_id != 0) {

AsyncWrap::EmitAfter(env_, async_context_.async_id);