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// Copyright Joyent, Inc. and other Node contributors.

// Permission is hereby granted, free of charge, to any person obtaining a

// copy of this software and associated documentation files (the

// "Software"), to deal in the Software without restriction, including

// without limitation the rights to use, copy, modify, merge, publish,

// distribute, sublicense, and/or sell copies of the Software, and to permit

// persons to whom the Software is furnished to do so, subject to the

// following conditions:

// The above copyright notice and this permission notice shall be included

// in all copies or substantial portions of the Software.

// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS

// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF

// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN

// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,

// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR

// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE

// USE OR OTHER DEALINGS IN THE SOFTWARE.

#ifndef SRC_NODE_H_

#define SRC_NODE_H_

#ifdef _WIN32

# ifndef BUILDING_NODE_EXTENSION

# define NODE_EXTERN __declspec(dllexport)

# else

# define NODE_EXTERN __declspec(dllimport)

# endif

#else

# define NODE_EXTERN /* nothing */

#endif

#ifdef BUILDING_NODE_EXTENSION

# undef BUILDING_V8_SHARED

# undef BUILDING_UV_SHARED

# define USING_V8_SHARED 1

# define USING_UV_SHARED 1

#endif

// This should be defined in make system.

// See issue https://github.com/joyent/node/issues/1236

#if defined(__MINGW32__) || defined(_MSC_VER)

#ifndef _WIN32_WINNT

# define _WIN32_WINNT 0x0501

#endif

#ifndef NOMINMAX

# define NOMINMAX

#endif

#if defined(_MSC_VER)

#define PATH_MAX MAX_PATH

#endif

#ifdef _WIN32

# define SIGKILL 9

#endif

#include "v8.h" // NOLINT(build/include_order)

#include "node_version.h" // NODE_MODULE_VERSION

#define NODE_MAKE_VERSION(major, minor, patch) \

((major) * 0x1000 + (minor) * 0x100 + (patch))

#ifdef __clang__

# define NODE_CLANG_AT_LEAST(major, minor, patch) \

(NODE_MAKE_VERSION(major, minor, patch) <= \

NODE_MAKE_VERSION(__clang_major__, __clang_minor__, __clang_patchlevel__))

#else

# define NODE_CLANG_AT_LEAST(major, minor, patch) (0)

#endif

#ifdef __GNUC__

# define NODE_GNUC_AT_LEAST(major, minor, patch) \

(NODE_MAKE_VERSION(major, minor, patch) <= \

NODE_MAKE_VERSION(__GNUC__, __GNUC_MINOR__, __GNUC_PATCHLEVEL__))

#else

# define NODE_GNUC_AT_LEAST(major, minor, patch) (0)

#endif

#if NODE_CLANG_AT_LEAST(2, 9, 0) || NODE_GNUC_AT_LEAST(4, 5, 0)

# define NODE_DEPRECATED(message, declarator) \

__attribute__((deprecated(message))) declarator

#elif defined(_MSC_VER)

# define NODE_DEPRECATED(message, declarator) \

__declspec(deprecated) declarator

#else

# define NODE_DEPRECATED(message, declarator) \

declarator

#endif

// Forward-declare libuv loop

struct uv_loop_s;

// Forward-declare these functions now to stop MSVS from becoming

// terminally confused when it's done in node_internals.h

namespace node {

NODE_EXTERN v8::Local<v8::Value> ErrnoException(v8::Isolate* isolate,

int errorno,

const char* syscall = NULL,

const char* message = NULL,

const char* path = NULL);

NODE_EXTERN v8::Local<v8::Value> UVException(v8::Isolate* isolate,

int errorno,

const char* syscall = NULL,

const char* message = NULL,

const char* path = NULL);

NODE_EXTERN v8::Local<v8::Value> UVException(v8::Isolate* isolate,

int errorno,

const char* syscall,

const char* message,

const char* path,

const char* dest);

NODE_DEPRECATED("Use ErrnoException(isolate, ...)",

inline v8::Local<v8::Value> ErrnoException(

int errorno,

const char* syscall = NULL,

const char* message = NULL,

const char* path = NULL) {

return ErrnoException(v8::Isolate::GetCurrent(),

errorno,

syscall,

message,

path);

})

inline v8::Local<v8::Value> UVException(int errorno,

const char* syscall = NULL,

const char* message = NULL,

const char* path = NULL) {

return UVException(v8::Isolate::GetCurrent(),

errorno,

syscall,

message,

path);

}

* These methods need to be called in a HandleScope.

* It is preferred that you use the `MakeCallback` overloads taking

* `async_id` arguments.

NODE_EXTERN v8::Local<v8::Value> MakeCallback(

v8::Isolate* isolate,

v8::Local<v8::Object> recv,

const char* method,

int argc,

v8::Local<v8::Value>* argv);

NODE_EXTERN v8::Local<v8::Value> MakeCallback(

v8::Isolate* isolate,

v8::Local<v8::Object> recv,

v8::Local<v8::String> symbol,

int argc,

v8::Local<v8::Value>* argv);

NODE_EXTERN v8::Local<v8::Value> MakeCallback(

v8::Isolate* isolate,

v8::Local<v8::Object> recv,

v8::Local<v8::Function> callback,

int argc,

v8::Local<v8::Value>* argv);

} // namespace node

#if defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS

#include "node_internals.h"

#endif

#include <assert.h>

#include <stdint.h>

#ifndef NODE_STRINGIFY

#define NODE_STRINGIFY(n) NODE_STRINGIFY_HELPER(n)

#define NODE_STRINGIFY_HELPER(n) #n

#endif

#ifdef _WIN32

// TODO(tjfontaine) consider changing the usage of ssize_t to ptrdiff_t

#if !defined(_SSIZE_T_) && !defined(_SSIZE_T_DEFINED)

typedef intptr_t ssize_t;

# define _SSIZE_T_

# define _SSIZE_T_DEFINED

#endif

#else // !_WIN32

# include <sys/types.h> // size_t, ssize_t

#endif // _WIN32

namespace node {

NODE_EXTERN extern bool no_deprecation;

#if HAVE_OPENSSL

NODE_EXTERN extern bool ssl_openssl_cert_store;

# if NODE_FIPS_MODE

NODE_EXTERN extern bool enable_fips_crypto;

NODE_EXTERN extern bool force_fips_crypto;

# endif

#endif

NODE_EXTERN int Start(int argc, char *argv[]);

NODE_EXTERN void Init(int* argc,

const char** argv,

int* exec_argc,

const char*** exec_argv);

class IsolateData;

class Environment;

NODE_EXTERN IsolateData* CreateIsolateData(v8::Isolate* isolate,

struct uv_loop_s* loop);

NODE_EXTERN void FreeIsolateData(IsolateData* isolate_data);

NODE_EXTERN Environment* CreateEnvironment(IsolateData* isolate_data,

v8::Local<v8::Context> context,

int argc,

const char* const* argv,

int exec_argc,

const char* const* exec_argv);

NODE_EXTERN void LoadEnvironment(Environment* env);

NODE_EXTERN void FreeEnvironment(Environment* env);

NODE_EXTERN void EmitBeforeExit(Environment* env);

NODE_EXTERN int EmitExit(Environment* env);

NODE_EXTERN void RunAtExit(Environment* env);

/* Converts a unixtime to V8 Date */

#define NODE_UNIXTIME_V8(t) v8::Date::New(v8::Isolate::GetCurrent(), \

1000 * static_cast<double>(t))

#define NODE_V8_UNIXTIME(v) (static_cast<double>((v)->NumberValue())/1000.0);

#define NODE_DEFINE_CONSTANT(target, constant) \

do { \

v8::Isolate* isolate = target->GetIsolate(); \

v8::Local<v8::Context> context = isolate->GetCurrentContext(); \

v8::Local<v8::String> constant_name = \

v8::String::NewFromUtf8(isolate, #constant); \

v8::Local<v8::Number> constant_value = \

v8::Number::New(isolate, static_cast<double>(constant)); \

v8::PropertyAttribute constant_attributes = \

static_cast<v8::PropertyAttribute>(v8::ReadOnly | v8::DontDelete); \

(target)->DefineOwnProperty(context, \

constant_name, \

constant_value, \

constant_attributes).FromJust(); \

} \

while (0)

#define NODE_DEFINE_HIDDEN_CONSTANT(target, constant) \

do { \

v8::Isolate* isolate = target->GetIsolate(); \

v8::Local<v8::Context> context = isolate->GetCurrentContext(); \

v8::Local<v8::String> constant_name = \

v8::String::NewFromUtf8(isolate, #constant, \

v8::NewStringType::kInternalized) \

.ToLocalChecked(); \

v8::Local<v8::Number> constant_value = \

v8::Number::New(isolate, static_cast<double>(constant)); \

v8::PropertyAttribute constant_attributes = \

static_cast<v8::PropertyAttribute>(v8::ReadOnly | \

v8::DontDelete | \

v8::DontEnum); \

(target)->DefineOwnProperty(context, \

constant_name, \

constant_value, \

constant_attributes).FromJust(); \

} \

while (0)

// Used to be a macro, hence the uppercase name.

inline void NODE_SET_METHOD(v8::Local<v8::Template> recv,

const char* name,

v8::FunctionCallback callback) {

v8::Isolate* isolate = v8::Isolate::GetCurrent();

v8::HandleScope handle_scope(isolate);

v8::Local<v8::FunctionTemplate> t = v8::FunctionTemplate::New(isolate,

callback);

v8::Local<v8::String> fn_name = v8::String::NewFromUtf8(isolate, name);

t->SetClassName(fn_name);

recv->Set(fn_name, t);

}

// Used to be a macro, hence the uppercase name.

inline void NODE_SET_METHOD(v8::Local<v8::Object> recv,

const char* name,

v8::FunctionCallback callback) {

v8::Isolate* isolate = v8::Isolate::GetCurrent();

v8::HandleScope handle_scope(isolate);

v8::Local<v8::FunctionTemplate> t = v8::FunctionTemplate::New(isolate,

callback);

v8::Local<v8::Function> fn = t->GetFunction();

v8::Local<v8::String> fn_name = v8::String::NewFromUtf8(isolate, name);

fn->SetName(fn_name);

recv->Set(fn_name, fn);

}

#define NODE_SET_METHOD node::NODE_SET_METHOD

// Used to be a macro, hence the uppercase name.

// Not a template because it only makes sense for FunctionTemplates.

inline void NODE_SET_PROTOTYPE_METHOD(v8::Local<v8::FunctionTemplate> recv,

const char* name,

v8::FunctionCallback callback) {

v8::Isolate* isolate = v8::Isolate::GetCurrent();

v8::HandleScope handle_scope(isolate);

v8::Local<v8::Signature> s = v8::Signature::New(isolate, recv);

v8::Local<v8::FunctionTemplate> t =

v8::FunctionTemplate::New(isolate, callback, v8::Local<v8::Value>(), s);

v8::Local<v8::String> fn_name = v8::String::NewFromUtf8(isolate, name);

t->SetClassName(fn_name);

recv->PrototypeTemplate()->Set(fn_name, t);

}

#define NODE_SET_PROTOTYPE_METHOD node::NODE_SET_PROTOTYPE_METHOD

// BINARY is a deprecated alias of LATIN1.

enum encoding {ASCII, UTF8, BASE64, UCS2, BINARY, HEX, BUFFER, LATIN1 = BINARY};

NODE_EXTERN enum encoding ParseEncoding(

v8::Isolate* isolate,

v8::Local<v8::Value> encoding_v,

enum encoding default_encoding = LATIN1);

NODE_DEPRECATED("Use ParseEncoding(isolate, ...)",

inline enum encoding ParseEncoding(

v8::Local<v8::Value> encoding_v,

enum encoding default_encoding = LATIN1) {

return ParseEncoding(v8::Isolate::GetCurrent(), encoding_v, default_encoding);

})

NODE_EXTERN void FatalException(v8::Isolate* isolate,

const v8::TryCatch& try_catch);

NODE_DEPRECATED("Use FatalException(isolate, ...)",

inline void FatalException(const v8::TryCatch& try_catch) {

return FatalException(v8::Isolate::GetCurrent(), try_catch);

})

// Don't call with encoding=UCS2.

NODE_EXTERN v8::Local<v8::Value> Encode(v8::Isolate* isolate,

const char* buf,

size_t len,

enum encoding encoding = LATIN1);

// The input buffer should be in host endianness.

NODE_EXTERN v8::Local<v8::Value> Encode(v8::Isolate* isolate,

const uint16_t* buf,

size_t len);

NODE_DEPRECATED("Use Encode(isolate, ...)",

inline v8::Local<v8::Value> Encode(

const void* buf,

size_t len,

enum encoding encoding = LATIN1) {

v8::Isolate* isolate = v8::Isolate::GetCurrent();

if (encoding == UCS2) {

assert(reinterpret_cast<uintptr_t>(buf) % sizeof(uint16_t) == 0 &&

"UCS2 buffer must be aligned on two-byte boundary.");

const uint16_t* that = static_cast<const uint16_t*>(buf);

return Encode(isolate, that, len / sizeof(*that));

}

return Encode(isolate, static_cast<const char*>(buf), len, encoding);

})

// Returns -1 if the handle was not valid for decoding

NODE_EXTERN ssize_t DecodeBytes(v8::Isolate* isolate,

v8::Local<v8::Value>,

enum encoding encoding = LATIN1);

NODE_DEPRECATED("Use DecodeBytes(isolate, ...)",

inline ssize_t DecodeBytes(

v8::Local<v8::Value> val,

enum encoding encoding = LATIN1) {

return DecodeBytes(v8::Isolate::GetCurrent(), val, encoding);

})

// returns bytes written.

NODE_EXTERN ssize_t DecodeWrite(v8::Isolate* isolate,

char* buf,

size_t buflen,

v8::Local<v8::Value>,

enum encoding encoding = LATIN1);

NODE_DEPRECATED("Use DecodeWrite(isolate, ...)",

inline ssize_t DecodeWrite(char* buf,

size_t buflen,

v8::Local<v8::Value> val,

enum encoding encoding = LATIN1) {

return DecodeWrite(v8::Isolate::GetCurrent(), buf, buflen, val, encoding);

})

#ifdef _WIN32

NODE_EXTERN v8::Local<v8::Value> WinapiErrnoException(

v8::Isolate* isolate,

int errorno,

const char *syscall = NULL,

const char *msg = "",

const char *path = NULL);

NODE_DEPRECATED("Use WinapiErrnoException(isolate, ...)",

inline v8::Local<v8::Value> WinapiErrnoException(int errorno,

const char *syscall = NULL, const char *msg = "",

const char *path = NULL) {

return WinapiErrnoException(v8::Isolate::GetCurrent(),

errorno,

syscall,

msg,

path);

})

#endif

const char *signo_string(int errorno);

typedef void (*addon_register_func)(

v8::Local<v8::Object> exports,

v8::Local<v8::Value> module,

void* priv);

typedef void (*addon_context_register_func)(

v8::Local<v8::Object> exports,

v8::Local<v8::Value> module,

v8::Local<v8::Context> context,

void* priv);

#define NM_F_BUILTIN 0x01

#define NM_F_LINKED 0x02

struct node_module {

int nm_version;

unsigned int nm_flags;

void* nm_dso_handle;

const char* nm_filename;

node::addon_register_func nm_register_func;

node::addon_context_register_func nm_context_register_func;

const char* nm_modname;

void* nm_priv;

struct node_module* nm_link;

};

node_module* get_builtin_module(const char *name);

node_module* get_linked_module(const char *name);

extern "C" NODE_EXTERN void node_module_register(void* mod);

#ifdef _WIN32

# define NODE_MODULE_EXPORT __declspec(dllexport)

#else

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

#endif

#ifdef NODE_SHARED_MODE

# define NODE_CTOR_PREFIX

#else

# define NODE_CTOR_PREFIX static

#endif

#if defined(_MSC_VER)

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

#define NODE_C_CTOR(fn) \

NODE_CTOR_PREFIX void __cdecl fn(void); \

__declspec(dllexport, allocate(".CRT$XCU")) \

void (__cdecl*fn ## _)(void) = fn; \

NODE_CTOR_PREFIX void __cdecl fn(void)

#else

#define NODE_C_CTOR(fn) \

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

NODE_CTOR_PREFIX void fn(void)

#endif

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

extern "C" { \

static node::node_module _module = \

{ \

NODE_MODULE_VERSION, \

flags, \

NULL, \

__FILE__, \

(node::addon_register_func) (regfunc), \

NULL, \

NODE_STRINGIFY(modname), \

priv, \

NULL \

}; \

NODE_C_CTOR(_register_ ## modname) { \

node_module_register(&_module); \

} \

}

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

extern "C" { \

static node::node_module _module = \

{ \

NODE_MODULE_VERSION, \

flags, \

NULL, \

__FILE__, \

NULL, \

(node::addon_context_register_func) (regfunc), \

NODE_STRINGIFY(modname), \

priv, \

NULL \

}; \

NODE_C_CTOR(_register_ ## modname) { \

node_module_register(&_module); \

} \

}

#define NODE_MODULE(modname, regfunc) \

NODE_MODULE_X(modname, regfunc, NULL, 0)

#define NODE_MODULE_CONTEXT_AWARE(modname, regfunc) \

NODE_MODULE_CONTEXT_AWARE_X(modname, regfunc, NULL, 0)

#define NODE_MODULE_CONTEXT_AWARE_BUILTIN(modname, regfunc) \

NODE_MODULE_CONTEXT_AWARE_X(modname, regfunc, NULL, NM_F_BUILTIN) \

* For backward compatibility in add-on modules.

#define NODE_MODULE_DECL /* nothing */

/* Called after the event loop exits but before the VM is disposed.

* Callbacks are run in reverse order of registration, i.e. newest first.

NODE_EXTERN void AtExit(void (*cb)(void* arg), void* arg = 0);

/* Registers a callback with the passed-in Environment instance. The callback

* is called after the event loop exits, but before the VM is disposed.

* Callbacks are run in reverse order of registration, i.e. newest first.

NODE_EXTERN void AtExit(Environment* env, void (*cb)(void* arg), void* arg = 0);

typedef void (*promise_hook_func) (v8::PromiseHookType type,

v8::Local<v8::Promise> promise,

v8::Local<v8::Value> parent,

void* arg);

typedef double async_id;

struct async_context {

::node::async_id async_id;

::node::async_id trigger_async_id;

};

/* Registers an additional v8::PromiseHook wrapper. This API exists because V8

* itself supports only a single PromiseHook. */

NODE_EXTERN void AddPromiseHook(v8::Isolate* isolate,

promise_hook_func fn,

void* arg);

/* Returns the id of the current execution context. If the return value is

* zero then no execution has been set. This will happen if the user handles

* I/O from native code. */

NODE_EXTERN async_id AsyncHooksGetExecutionAsyncId(v8::Isolate* isolate);

/* Return same value as async_hooks.triggerAsyncId(); */

NODE_EXTERN async_id AsyncHooksGetTriggerAsyncId(v8::Isolate* isolate);

/* If the native API doesn't inherit from the helper class then the callbacks

* must be triggered manually. This triggers the init() callback. The return

* value is the uid assigned to the resource.

* The `trigger_async_id` parameter should correspond to the resource which is

* creating the new resource, which will usually be the return value of

* `AsyncHooksGetTriggerAsyncId()`. */

NODE_EXTERN async_context EmitAsyncInit(v8::Isolate* isolate,

v8::Local<v8::Object> resource,

const char* name,

async_id trigger_async_id = -1);

/* Emit the destroy() callback. */

NODE_EXTERN void EmitAsyncDestroy(v8::Isolate* isolate,

async_context asyncContext);

/* An API specific to emit before/after callbacks is unnecessary because

* MakeCallback will automatically call them for you.

* These methods may create handles on their own, so run them inside a

* HandleScope.

* `asyncId` and `triggerAsyncId` should correspond to the values returned by

* `EmitAsyncInit()` and `AsyncHooksGetTriggerAsyncId()`, respectively, when the

* invoking resource was created. If these values are unknown, 0 can be passed.

* */

NODE_EXTERN

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);

NODE_EXTERN

v8::MaybeLocal<v8::Value> MakeCallback(v8::Isolate* isolate,

v8::Local<v8::Object> recv,

const char* method,

int argc,

v8::Local<v8::Value>* argv,

async_context asyncContext);

NODE_EXTERN

v8::MaybeLocal<v8::Value> MakeCallback(v8::Isolate* isolate,

v8::Local<v8::Object> recv,

v8::Local<v8::String> symbol,

int argc,

v8::Local<v8::Value>* argv,

async_context asyncContext);

/* Helper class users can optionally inherit from. If

* `AsyncResource::MakeCallback()` is used, then all four callbacks will be

* called automatically. */

class AsyncResource {

public:

AsyncResource(v8::Isolate* isolate,

v8::Local<v8::Object> resource,

const char* name,

async_id trigger_async_id = -1)

: isolate_(isolate),

resource_(isolate, resource) {

async_context_ = EmitAsyncInit(isolate, resource, name,

trigger_async_id);

}

~AsyncResource() {

EmitAsyncDestroy(isolate_, async_context_);

}

v8::MaybeLocal<v8::Value> MakeCallback(

v8::Local<v8::Function> callback,

int argc,

v8::Local<v8::Value>* argv) {

return node::MakeCallback(isolate_, get_resource(),

callback, argc, argv,

async_context_);

}

v8::MaybeLocal<v8::Value> MakeCallback(

const char* method,

int argc,

v8::Local<v8::Value>* argv) {

return node::MakeCallback(isolate_, get_resource(),

method, argc, argv,

async_context_);

}

v8::MaybeLocal<v8::Value> MakeCallback(

v8::Local<v8::String> symbol,

int argc,

v8::Local<v8::Value>* argv) {

return node::MakeCallback(isolate_, get_resource(),

symbol, argc, argv,

async_context_);

}

v8::Local<v8::Object> get_resource() {

return resource_.Get(isolate_);

}

async_id get_async_id() const {

return async_context_.async_id;

}

async_id get_trigger_async_id() const {

return async_context_.trigger_async_id;

}

private:

v8::Isolate* isolate_;

v8::Persistent<v8::Object> resource_;

async_context async_context_;

};

} // namespace node

#endif // SRC_NODE_H_

node/src/node.h at master · DynamicAnt/node · GitHub

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