1030 lines
44 KiB
C++
1030 lines
44 KiB
C++
// Copyright Joyent, Inc. and other Node contributors.
|
||
//
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// Permission is hereby granted, free of charge, to any person obtaining a
|
||
// copy of this software and associated documentation files (the
|
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// "Software"), to deal in the Software without restriction, including
|
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// without limitation the rights to use, copy, modify, merge, publish,
|
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// 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:
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||
//
|
||
// The above copyright notice and this permission notice shall be included
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// in all copies or substantial portions of the Software.
|
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//
|
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
|
||
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
|
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// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
|
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// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
|
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// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
|
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// USE OR OTHER DEALINGS IN THE SOFTWARE.
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#ifndef SRC_NODE_H_
|
||
#define SRC_NODE_H_
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||
|
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#ifdef _WIN32
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# ifndef BUILDING_NODE_EXTENSION
|
||
# define NODE_EXTERN __declspec(dllexport)
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||
# else
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||
# define NODE_EXTERN __declspec(dllimport)
|
||
# endif
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||
#else
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||
# define NODE_EXTERN __attribute__((visibility("default")))
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||
#endif
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||
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||
#ifdef BUILDING_NODE_EXTENSION
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||
# undef BUILDING_V8_SHARED
|
||
# undef BUILDING_UV_SHARED
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||
# define USING_V8_SHARED 1
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||
# define USING_UV_SHARED 1
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||
#endif
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||
|
||
// This should be defined in make system.
|
||
// See issue https://github.com/nodejs/node-v0.x-archive/issues/1236
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||
#if defined(__MINGW32__) || defined(_MSC_VER)
|
||
#ifndef _WIN32_WINNT
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||
# define _WIN32_WINNT 0x0600 // Windows Server 2008
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||
#endif
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||
|
||
#ifndef NOMINMAX
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||
# define NOMINMAX
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||
#endif
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||
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||
#endif
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||
|
||
#if defined(_MSC_VER)
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||
#define PATH_MAX MAX_PATH
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||
#endif
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||
|
||
#ifdef _WIN32
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||
# define SIGKILL 9
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||
#endif
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||
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||
#if (__GNUC__ >= 8) && !defined(__clang__)
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||
#pragma GCC diagnostic push
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||
#pragma GCC diagnostic ignored "-Wcast-function-type"
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||
#endif
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||
#include "v8.h" // NOLINT(build/include_order)
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||
#if (__GNUC__ >= 8) && !defined(__clang__)
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||
#pragma GCC diagnostic pop
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||
#endif
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||
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||
#include "v8-platform.h" // NOLINT(build/include_order)
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||
#include "node_version.h" // NODE_MODULE_VERSION
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||
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#include <memory>
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||
#include <functional>
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||
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||
#define NODE_MAKE_VERSION(major, minor, patch) \
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((major) * 0x1000 + (minor) * 0x100 + (patch))
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||
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#ifdef __clang__
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||
# define NODE_CLANG_AT_LEAST(major, minor, patch) \
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||
(NODE_MAKE_VERSION(major, minor, patch) <= \
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NODE_MAKE_VERSION(__clang_major__, __clang_minor__, __clang_patchlevel__))
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#else
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# define NODE_CLANG_AT_LEAST(major, minor, patch) (0)
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||
#endif
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||
|
||
#ifdef __GNUC__
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||
# define NODE_GNUC_AT_LEAST(major, minor, patch) \
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||
(NODE_MAKE_VERSION(major, minor, patch) <= \
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||
NODE_MAKE_VERSION(__GNUC__, __GNUC_MINOR__, __GNUC_PATCHLEVEL__))
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#else
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# define NODE_GNUC_AT_LEAST(major, minor, patch) (0)
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||
#endif
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||
|
||
#if defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS
|
||
# define NODE_DEPRECATED(message, declarator) declarator
|
||
#else // NODE_WANT_INTERNALS
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||
# if NODE_CLANG_AT_LEAST(2, 9, 0) || NODE_GNUC_AT_LEAST(4, 5, 0)
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||
# 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
|
||
#endif
|
||
|
||
// Forward-declare libuv loop
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||
struct uv_loop_s;
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||
|
||
// Forward-declare these functions now to stop MSVS from becoming
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// terminally confused when it's done in node_internals.h
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namespace node {
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namespace tracing {
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||
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class TracingController;
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||
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}
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||
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||
NODE_EXTERN v8::Local<v8::Value> ErrnoException(v8::Isolate* isolate,
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int errorno,
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const char* syscall = nullptr,
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||
const char* message = nullptr,
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||
const char* path = nullptr);
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NODE_EXTERN v8::Local<v8::Value> UVException(v8::Isolate* isolate,
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int errorno,
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||
const char* syscall = nullptr,
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||
const char* message = nullptr,
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||
const char* path = nullptr,
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||
const char* dest = nullptr);
|
||
|
||
NODE_DEPRECATED("Use ErrnoException(isolate, ...)",
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||
inline v8::Local<v8::Value> ErrnoException(
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||
int errorno,
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||
const char* syscall = nullptr,
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const char* message = nullptr,
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||
const char* path = nullptr) {
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||
return ErrnoException(v8::Isolate::GetCurrent(),
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errorno,
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syscall,
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||
message,
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path);
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||
})
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NODE_DEPRECATED("Use UVException(isolate, ...)",
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inline v8::Local<v8::Value> UVException(int errorno,
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const char* syscall = nullptr,
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const char* message = nullptr,
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const char* path = nullptr) {
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return UVException(v8::Isolate::GetCurrent(),
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errorno,
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syscall,
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message,
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path);
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})
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/*
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* These methods need to be called in a HandleScope.
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*
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||
* It is preferred that you use the `MakeCallback` overloads taking
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* `async_context` arguments.
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*/
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NODE_DEPRECATED("Use MakeCallback(..., async_context)",
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NODE_EXTERN v8::Local<v8::Value> MakeCallback(
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v8::Isolate* isolate,
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v8::Local<v8::Object> recv,
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const char* method,
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int argc,
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v8::Local<v8::Value>* argv));
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NODE_DEPRECATED("Use MakeCallback(..., async_context)",
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NODE_EXTERN v8::Local<v8::Value> MakeCallback(
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v8::Isolate* isolate,
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v8::Local<v8::Object> recv,
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v8::Local<v8::String> symbol,
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int argc,
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v8::Local<v8::Value>* argv));
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NODE_DEPRECATED("Use MakeCallback(..., async_context)",
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NODE_EXTERN v8::Local<v8::Value> MakeCallback(
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v8::Isolate* isolate,
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v8::Local<v8::Object> recv,
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v8::Local<v8::Function> callback,
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int argc,
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v8::Local<v8::Value>* argv));
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} // namespace node
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#include <cassert>
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#include <cstdint>
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#ifndef NODE_STRINGIFY
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# define NODE_STRINGIFY(n) NODE_STRINGIFY_HELPER(n)
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# define NODE_STRINGIFY_HELPER(n) #n
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#endif
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#ifdef _WIN32
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#if !defined(_SSIZE_T_) && !defined(_SSIZE_T_DEFINED)
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typedef intptr_t ssize_t;
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# define _SSIZE_T_
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# define _SSIZE_T_DEFINED
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#endif
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#else // !_WIN32
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# include <sys/types.h> // size_t, ssize_t
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#endif // _WIN32
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namespace node {
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class IsolateData;
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class Environment;
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||
// TODO(addaleax): Officially deprecate this and replace it with something
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||
// better suited for a public embedder API.
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NODE_EXTERN int Start(int argc, char* argv[]);
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// Tear down Node.js while it is running (there are active handles
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// in the loop and / or actively executing JavaScript code).
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||
NODE_EXTERN int Stop(Environment* env);
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||
// TODO(addaleax): Officially deprecate this and replace it with something
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||
// better suited for a public embedder API.
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// It is recommended to use InitializeNodeWithArgs() instead as an embedder.
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||
// Init() calls InitializeNodeWithArgs() and exits the process with the exit
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// code returned from it.
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NODE_EXTERN void Init(int* argc,
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const char** argv,
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int* exec_argc,
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const char*** exec_argv);
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||
// Set up per-process state needed to run Node.js. This will consume arguments
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// from argv, fill exec_argv, and possibly add errors resulting from parsing
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// the arguments to `errors`. The return value is a suggested exit code for the
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||
// program; If it is 0, then initializing Node.js succeeded.
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||
NODE_EXTERN int InitializeNodeWithArgs(std::vector<std::string>* argv,
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std::vector<std::string>* exec_argv,
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std::vector<std::string>* errors);
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enum OptionEnvvarSettings {
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kAllowedInEnvironment,
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kDisallowedInEnvironment
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};
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||
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NODE_EXTERN int ProcessGlobalArgs(std::vector<std::string>* args,
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||
std::vector<std::string>* exec_args,
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std::vector<std::string>* errors,
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||
OptionEnvvarSettings settings);
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||
|
||
class NodeArrayBufferAllocator;
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||
|
||
// An ArrayBuffer::Allocator class with some Node.js-specific tweaks. If you do
|
||
// not have to use another allocator, using this class is recommended:
|
||
// - It supports Buffer.allocUnsafe() and Buffer.allocUnsafeSlow() with
|
||
// uninitialized memory.
|
||
// - It supports transferring, rather than copying, ArrayBuffers when using
|
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// MessagePorts.
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||
class NODE_EXTERN ArrayBufferAllocator : public v8::ArrayBuffer::Allocator {
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||
public:
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||
// If `always_debug` is true, create an ArrayBuffer::Allocator instance
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||
// that performs additional integrity checks (e.g. make sure that only memory
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||
// that was allocated by the it is also freed by it).
|
||
// This can also be set using the --debug-arraybuffer-allocations flag.
|
||
static std::unique_ptr<ArrayBufferAllocator> Create(
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||
bool always_debug = false);
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||
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||
private:
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virtual NodeArrayBufferAllocator* GetImpl() = 0;
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||
|
||
friend class IsolateData;
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||
};
|
||
|
||
// Legacy equivalents for ArrayBufferAllocator::Create().
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NODE_EXTERN ArrayBufferAllocator* CreateArrayBufferAllocator();
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NODE_EXTERN void FreeArrayBufferAllocator(ArrayBufferAllocator* allocator);
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||
class NODE_EXTERN MultiIsolatePlatform : public v8::Platform {
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public:
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||
~MultiIsolatePlatform() override = default;
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||
// Returns true if work was dispatched or executed. New tasks that are
|
||
// posted during flushing of the queue are postponed until the next
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||
// flushing.
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||
virtual bool FlushForegroundTasks(v8::Isolate* isolate) = 0;
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||
virtual void DrainTasks(v8::Isolate* isolate) = 0;
|
||
|
||
// TODO(addaleax): Remove this, it is unnecessary.
|
||
// This would currently be called before `UnregisterIsolate()` but will be
|
||
// folded into it in the future.
|
||
virtual void CancelPendingDelayedTasks(v8::Isolate* isolate);
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||
|
||
// This needs to be called between the calls to `Isolate::Allocate()` and
|
||
// `Isolate::Initialize()`, so that initialization can already start
|
||
// using the platform.
|
||
// When using `NewIsolate()`, this is taken care of by that function.
|
||
// This function may only be called once per `Isolate`.
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||
virtual void RegisterIsolate(v8::Isolate* isolate,
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struct uv_loop_s* loop) = 0;
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|
||
// This function may only be called once per `Isolate`, and discard any
|
||
// pending delayed tasks scheduled for that isolate.
|
||
// This needs to be called right before calling `Isolate::Dispose()`.
|
||
virtual void UnregisterIsolate(v8::Isolate* isolate) = 0;
|
||
|
||
// The platform should call the passed function once all state associated
|
||
// with the given isolate has been cleaned up. This can, but does not have to,
|
||
// happen asynchronously.
|
||
virtual void AddIsolateFinishedCallback(v8::Isolate* isolate,
|
||
void (*callback)(void*),
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||
void* data) = 0;
|
||
|
||
static std::unique_ptr<MultiIsolatePlatform> Create(
|
||
int thread_pool_size,
|
||
v8::TracingController* tracing_controller = nullptr);
|
||
};
|
||
|
||
enum IsolateSettingsFlags {
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||
MESSAGE_LISTENER_WITH_ERROR_LEVEL = 1 << 0,
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DETAILED_SOURCE_POSITIONS_FOR_PROFILING = 1 << 1,
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||
SHOULD_NOT_SET_PROMISE_REJECTION_CALLBACK = 1 << 2
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||
};
|
||
|
||
struct IsolateSettings {
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||
uint64_t flags = MESSAGE_LISTENER_WITH_ERROR_LEVEL |
|
||
DETAILED_SOURCE_POSITIONS_FOR_PROFILING;
|
||
v8::MicrotasksPolicy policy = v8::MicrotasksPolicy::kExplicit;
|
||
|
||
// Error handling callbacks
|
||
v8::Isolate::AbortOnUncaughtExceptionCallback
|
||
should_abort_on_uncaught_exception_callback = nullptr;
|
||
v8::FatalErrorCallback fatal_error_callback = nullptr;
|
||
v8::PrepareStackTraceCallback prepare_stack_trace_callback = nullptr;
|
||
|
||
// Miscellaneous callbacks
|
||
v8::PromiseRejectCallback promise_reject_callback = nullptr;
|
||
v8::AllowWasmCodeGenerationCallback
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||
allow_wasm_code_generation_callback = nullptr;
|
||
v8::HostCleanupFinalizationGroupCallback
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||
host_cleanup_finalization_group_callback = nullptr;
|
||
};
|
||
|
||
// Overriding IsolateSettings may produce unexpected behavior
|
||
// in Node.js core functionality, so proceed at your own risk.
|
||
NODE_EXTERN void SetIsolateUpForNode(v8::Isolate* isolate,
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const IsolateSettings& settings);
|
||
|
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// Set a number of callbacks for the `isolate`, in particular the Node.js
|
||
// uncaught exception listener.
|
||
NODE_EXTERN void SetIsolateUpForNode(v8::Isolate* isolate);
|
||
|
||
// Creates a new isolate with Node.js-specific settings.
|
||
// This is a convenience method equivalent to using SetIsolateCreateParams(),
|
||
// Isolate::Allocate(), MultiIsolatePlatform::RegisterIsolate(),
|
||
// Isolate::Initialize(), and SetIsolateUpForNode().
|
||
NODE_EXTERN v8::Isolate* NewIsolate(ArrayBufferAllocator* allocator,
|
||
struct uv_loop_s* event_loop);
|
||
NODE_EXTERN v8::Isolate* NewIsolate(ArrayBufferAllocator* allocator,
|
||
struct uv_loop_s* event_loop,
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||
MultiIsolatePlatform* platform);
|
||
|
||
// Creates a new context with Node.js-specific tweaks.
|
||
NODE_EXTERN v8::Local<v8::Context> NewContext(
|
||
v8::Isolate* isolate,
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v8::Local<v8::ObjectTemplate> object_template =
|
||
v8::Local<v8::ObjectTemplate>());
|
||
|
||
// Runs Node.js-specific tweaks on an already constructed context
|
||
// Return value indicates success of operation
|
||
NODE_EXTERN bool InitializeContext(v8::Local<v8::Context> context);
|
||
|
||
// If `platform` is passed, it will be used to register new Worker instances.
|
||
// It can be `nullptr`, in which case creating new Workers inside of
|
||
// Environments that use this `IsolateData` will not work.
|
||
NODE_EXTERN IsolateData* CreateIsolateData(
|
||
v8::Isolate* isolate,
|
||
struct uv_loop_s* loop,
|
||
MultiIsolatePlatform* platform = nullptr,
|
||
ArrayBufferAllocator* allocator = nullptr);
|
||
NODE_EXTERN void FreeIsolateData(IsolateData* isolate_data);
|
||
|
||
struct ThreadId {
|
||
uint64_t id = static_cast<uint64_t>(-1);
|
||
};
|
||
NODE_EXTERN ThreadId AllocateEnvironmentThreadId();
|
||
|
||
namespace EnvironmentFlags {
|
||
enum Flags : uint64_t {
|
||
kNoFlags = 0,
|
||
// Use the default behaviour for Node.js instances.
|
||
kDefaultFlags = 1 << 0,
|
||
// Controls whether this Environment is allowed to affect per-process state
|
||
// (e.g. cwd, process title, uid, etc.).
|
||
// This is set when using kDefaultFlags.
|
||
kOwnsProcessState = 1 << 1,
|
||
// Set if this Environment instance is associated with the global inspector
|
||
// handling code (i.e. listening on SIGUSR1).
|
||
// This is set when using kDefaultFlags.
|
||
kOwnsInspector = 1 << 2,
|
||
// Set if Node.js should not run its own esm loader. This is needed by some
|
||
// embedders, because it's possible for the Node.js esm loader to conflict
|
||
// with another one in an embedder environment, e.g. Blink's in Chromium.
|
||
kNoRegisterESMLoader = 1 << 3,
|
||
// Set this flag to make Node.js track "raw" file descriptors, i.e. managed
|
||
// by fs.open() and fs.close(), and close them during FreeEnvironment().
|
||
kTrackUnmanagedFds = 1 << 4
|
||
};
|
||
} // namespace EnvironmentFlags
|
||
|
||
struct InspectorParentHandle {
|
||
virtual ~InspectorParentHandle();
|
||
};
|
||
|
||
// TODO(addaleax): Maybe move per-Environment options parsing here.
|
||
// Returns nullptr when the Environment cannot be created e.g. there are
|
||
// pending JavaScript exceptions.
|
||
// It is recommended to use the second variant taking a flags argument.
|
||
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 Environment* CreateEnvironment(
|
||
IsolateData* isolate_data,
|
||
v8::Local<v8::Context> context,
|
||
const std::vector<std::string>& args,
|
||
const std::vector<std::string>& exec_args,
|
||
EnvironmentFlags::Flags flags = EnvironmentFlags::kDefaultFlags,
|
||
ThreadId thread_id = {} /* allocates a thread id automatically */,
|
||
std::unique_ptr<InspectorParentHandle> inspector_parent_handle = {});
|
||
|
||
// Returns a handle that can be passed to `LoadEnvironment()`, making the
|
||
// child Environment accessible to the inspector as if it were a Node.js Worker.
|
||
// `child_thread_id` can be created using `AllocateEnvironmentThreadId()`
|
||
// and then later passed on to `CreateEnvironment()` to create the child
|
||
// Environment, together with the inspector handle.
|
||
// This method should not be called while the parent Environment is active
|
||
// on another thread.
|
||
NODE_EXTERN std::unique_ptr<InspectorParentHandle> GetInspectorParentHandle(
|
||
Environment* parent_env,
|
||
ThreadId child_thread_id,
|
||
const char* child_url);
|
||
|
||
struct StartExecutionCallbackInfo {
|
||
v8::Local<v8::Object> process_object;
|
||
v8::Local<v8::Function> native_require;
|
||
};
|
||
|
||
using StartExecutionCallback =
|
||
std::function<v8::MaybeLocal<v8::Value>(const StartExecutionCallbackInfo&)>;
|
||
|
||
// TODO(addaleax): Deprecate this in favour of the MaybeLocal<> overload.
|
||
NODE_EXTERN void LoadEnvironment(Environment* env);
|
||
// The `InspectorParentHandle` arguments here are ignored and not used.
|
||
// For passing `InspectorParentHandle`, use `CreateEnvironment()`.
|
||
NODE_EXTERN v8::MaybeLocal<v8::Value> LoadEnvironment(
|
||
Environment* env,
|
||
StartExecutionCallback cb,
|
||
std::unique_ptr<InspectorParentHandle> ignored_donotuse_removeme = {});
|
||
NODE_EXTERN v8::MaybeLocal<v8::Value> LoadEnvironment(
|
||
Environment* env,
|
||
const char* main_script_source_utf8,
|
||
std::unique_ptr<InspectorParentHandle> ignored_donotuse_removeme = {});
|
||
NODE_EXTERN void FreeEnvironment(Environment* env);
|
||
|
||
// Set a callback that is called when process.exit() is called from JS,
|
||
// overriding the default handler.
|
||
// It receives the Environment* instance and the exit code as arguments.
|
||
// This could e.g. call Stop(env); in order to terminate execution and stop
|
||
// the event loop.
|
||
// The default handler disposes of the global V8 platform instance, if one is
|
||
// being used, and calls exit().
|
||
NODE_EXTERN void SetProcessExitHandler(
|
||
Environment* env,
|
||
std::function<void(Environment*, int)>&& handler);
|
||
NODE_EXTERN void DefaultProcessExitHandler(Environment* env, int exit_code);
|
||
|
||
// This may return nullptr if context is not associated with a Node instance.
|
||
NODE_EXTERN Environment* GetCurrentEnvironment(v8::Local<v8::Context> context);
|
||
|
||
NODE_EXTERN void OnFatalError(const char* location, const char* message);
|
||
NODE_EXTERN void PromiseRejectCallback(v8::PromiseRejectMessage message);
|
||
NODE_EXTERN bool AllowWasmCodeGenerationCallback(v8::Local<v8::Context> context,
|
||
v8::Local<v8::String>);
|
||
NODE_EXTERN bool ShouldAbortOnUncaughtException(v8::Isolate* isolate);
|
||
NODE_EXTERN v8::MaybeLocal<v8::Value> PrepareStackTraceCallback(
|
||
v8::Local<v8::Context> context,
|
||
v8::Local<v8::Value> exception,
|
||
v8::Local<v8::Array> trace);
|
||
|
||
// This returns the MultiIsolatePlatform used in the main thread of Node.js.
|
||
// If NODE_USE_V8_PLATFORM has not been defined when Node.js was built,
|
||
// it returns nullptr.
|
||
// TODO(addaleax): Deprecate in favour of GetMultiIsolatePlatform().
|
||
NODE_EXTERN MultiIsolatePlatform* GetMainThreadMultiIsolatePlatform();
|
||
// This returns the MultiIsolatePlatform used for an Environment or IsolateData
|
||
// instance, if one exists.
|
||
NODE_EXTERN MultiIsolatePlatform* GetMultiIsolatePlatform(Environment* env);
|
||
NODE_EXTERN MultiIsolatePlatform* GetMultiIsolatePlatform(IsolateData* env);
|
||
|
||
// Legacy variants of MultiIsolatePlatform::Create().
|
||
// TODO(addaleax): Deprecate in favour of the v8::TracingController variant.
|
||
NODE_EXTERN MultiIsolatePlatform* CreatePlatform(
|
||
int thread_pool_size,
|
||
node::tracing::TracingController* tracing_controller);
|
||
NODE_EXTERN MultiIsolatePlatform* CreatePlatform(
|
||
int thread_pool_size,
|
||
v8::TracingController* tracing_controller);
|
||
NODE_EXTERN void FreePlatform(MultiIsolatePlatform* platform);
|
||
|
||
// Get/set the currently active tracing controller. Using CreatePlatform()
|
||
// will implicitly set this by default. This is global and should be initialized
|
||
// along with the v8::Platform instance that is being used. `controller`
|
||
// is allowed to be `nullptr`.
|
||
// This is used for tracing events from Node.js itself. V8 uses the tracing
|
||
// controller returned from the active `v8::Platform` instance.
|
||
NODE_EXTERN v8::TracingController* GetTracingController();
|
||
NODE_EXTERN void SetTracingController(v8::TracingController* controller);
|
||
|
||
NODE_EXTERN void EmitBeforeExit(Environment* env);
|
||
NODE_EXTERN int EmitExit(Environment* env);
|
||
NODE_EXTERN void RunAtExit(Environment* env);
|
||
|
||
// This may return nullptr if the current v8::Context is not associated
|
||
// with a Node instance.
|
||
NODE_EXTERN struct uv_loop_s* GetCurrentEventLoop(v8::Isolate* isolate);
|
||
|
||
/* Converts a unixtime to V8 Date */
|
||
NODE_DEPRECATED("Use v8::Date::New() directly",
|
||
inline v8::Local<v8::Value> NODE_UNIXTIME_V8(double time) {
|
||
return v8::Date::New(
|
||
v8::Isolate::GetCurrent()->GetCurrentContext(),
|
||
1000 * time)
|
||
.ToLocalChecked();
|
||
})
|
||
#define NODE_UNIXTIME_V8 node::NODE_UNIXTIME_V8
|
||
NODE_DEPRECATED("Use v8::Date::ValueOf() directly",
|
||
inline double NODE_V8_UNIXTIME(v8::Local<v8::Date> date) {
|
||
return date->ValueOf() / 1000;
|
||
})
|
||
#define NODE_V8_UNIXTIME node::NODE_V8_UNIXTIME
|
||
|
||
#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::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); \
|
||
(target)->DefineOwnProperty(context, \
|
||
constant_name, \
|
||
constant_value, \
|
||
constant_attributes).Check(); \
|
||
} \
|
||
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).Check(); \
|
||
} \
|
||
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,
|
||
v8::NewStringType::kInternalized).ToLocalChecked();
|
||
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::Context> context = isolate->GetCurrentContext();
|
||
v8::Local<v8::FunctionTemplate> t = v8::FunctionTemplate::New(isolate,
|
||
callback);
|
||
v8::Local<v8::Function> fn = t->GetFunction(context).ToLocalChecked();
|
||
v8::Local<v8::String> fn_name = v8::String::NewFromUtf8(isolate, name,
|
||
v8::NewStringType::kInternalized).ToLocalChecked();
|
||
fn->SetName(fn_name);
|
||
recv->Set(context, fn_name, fn).Check();
|
||
}
|
||
#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,
|
||
v8::NewStringType::kInternalized).ToLocalChecked();
|
||
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_EXTERN void FatalException(v8::Isolate* isolate,
|
||
const v8::TryCatch& try_catch);
|
||
|
||
NODE_EXTERN v8::Local<v8::Value> Encode(v8::Isolate* isolate,
|
||
const char* buf,
|
||
size_t len,
|
||
enum encoding encoding = LATIN1);
|
||
|
||
// Warning: This reverses endianness on Big Endian platforms, even though the
|
||
// signature using uint16_t implies that it should not.
|
||
NODE_EXTERN v8::Local<v8::Value> Encode(v8::Isolate* isolate,
|
||
const uint16_t* buf,
|
||
size_t len);
|
||
|
||
// 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);
|
||
// returns bytes written.
|
||
NODE_EXTERN ssize_t DecodeWrite(v8::Isolate* isolate,
|
||
char* buf,
|
||
size_t buflen,
|
||
v8::Local<v8::Value>,
|
||
enum encoding encoding = LATIN1);
|
||
#ifdef _WIN32
|
||
NODE_EXTERN v8::Local<v8::Value> WinapiErrnoException(
|
||
v8::Isolate* isolate,
|
||
int errorno,
|
||
const char* syscall = nullptr,
|
||
const char* msg = "",
|
||
const char* path = nullptr);
|
||
#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);
|
||
|
||
enum ModuleFlags {
|
||
kLinked = 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;
|
||
};
|
||
|
||
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, /* NOLINT (readability/null_usage) */ \
|
||
__FILE__, \
|
||
(node::addon_register_func) (regfunc), \
|
||
NULL, /* NOLINT (readability/null_usage) */ \
|
||
NODE_STRINGIFY(modname), \
|
||
priv, \
|
||
NULL /* NOLINT (readability/null_usage) */ \
|
||
}; \
|
||
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, /* NOLINT (readability/null_usage) */ \
|
||
__FILE__, \
|
||
NULL, /* NOLINT (readability/null_usage) */ \
|
||
(node::addon_context_register_func) (regfunc), \
|
||
NODE_STRINGIFY(modname), \
|
||
priv, \
|
||
NULL /* NOLINT (readability/null_usage) */ \
|
||
}; \
|
||
NODE_C_CTOR(_register_ ## modname) { \
|
||
node_module_register(&_module); \
|
||
} \
|
||
}
|
||
|
||
// Usage: `NODE_MODULE(NODE_GYP_MODULE_NAME, InitializerFunction)`
|
||
// If no NODE_MODULE is declared, Node.js looks for the well-known
|
||
// symbol `node_register_module_v${NODE_MODULE_VERSION}`.
|
||
#define NODE_MODULE(modname, regfunc) \
|
||
NODE_MODULE_X(modname, regfunc, NULL, 0) // NOLINT (readability/null_usage)
|
||
|
||
#define NODE_MODULE_CONTEXT_AWARE(modname, regfunc) \
|
||
/* NOLINTNEXTLINE (readability/null_usage) */ \
|
||
NODE_MODULE_CONTEXT_AWARE_X(modname, regfunc, NULL, 0)
|
||
|
||
// Embedders can use this type of binding for statically linked native bindings.
|
||
// It is used the same way addon bindings are used, except that linked bindings
|
||
// can be accessed through `process._linkedBinding(modname)`.
|
||
#define NODE_MODULE_LINKED(modname, regfunc) \
|
||
/* NOLINTNEXTLINE (readability/null_usage) */ \
|
||
NODE_MODULE_CONTEXT_AWARE_X(modname, regfunc, NULL, \
|
||
node::ModuleFlags::kLinked)
|
||
|
||
/*
|
||
* For backward compatibility in add-on modules.
|
||
*/
|
||
#define NODE_MODULE_DECL /* nothing */
|
||
|
||
#define NODE_MODULE_INITIALIZER_BASE node_register_module_v
|
||
|
||
#define NODE_MODULE_INITIALIZER_X(base, version) \
|
||
NODE_MODULE_INITIALIZER_X_HELPER(base, version)
|
||
|
||
#define NODE_MODULE_INITIALIZER_X_HELPER(base, version) base##version
|
||
|
||
#define NODE_MODULE_INITIALIZER \
|
||
NODE_MODULE_INITIALIZER_X(NODE_MODULE_INITIALIZER_BASE, \
|
||
NODE_MODULE_VERSION)
|
||
|
||
#define NODE_MODULE_INIT() \
|
||
extern "C" NODE_MODULE_EXPORT void \
|
||
NODE_MODULE_INITIALIZER(v8::Local<v8::Object> exports, \
|
||
v8::Local<v8::Value> module, \
|
||
v8::Local<v8::Context> context); \
|
||
NODE_MODULE_CONTEXT_AWARE(NODE_GYP_MODULE_NAME, \
|
||
NODE_MODULE_INITIALIZER) \
|
||
void NODE_MODULE_INITIALIZER(v8::Local<v8::Object> exports, \
|
||
v8::Local<v8::Value> module, \
|
||
v8::Local<v8::Context> context)
|
||
|
||
// Allows embedders to add a binding to the current Environment* that can be
|
||
// accessed through process._linkedBinding() in the target Environment and all
|
||
// Worker threads that it creates.
|
||
// In each variant, the registration function needs to be usable at least for
|
||
// the time during which the Environment exists.
|
||
NODE_EXTERN void AddLinkedBinding(Environment* env, const node_module& mod);
|
||
NODE_EXTERN void AddLinkedBinding(Environment* env,
|
||
const char* name,
|
||
addon_context_register_func fn,
|
||
void* priv);
|
||
|
||
/* Called after the event loop exits but before the VM is disposed.
|
||
* Callbacks are run in reverse order of registration, i.e. newest first.
|
||
*
|
||
* You should always use the three-argument variant (or, for addons,
|
||
* AddEnvironmentCleanupHook) in order to avoid relying on global state.
|
||
*/
|
||
NODE_DEPRECATED(
|
||
"Use the three-argument variant of AtExit() or AddEnvironmentCleanupHook()",
|
||
NODE_EXTERN void AtExit(void (*cb)(void* arg), void* arg = nullptr));
|
||
|
||
/* 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);
|
||
NODE_DEPRECATED(
|
||
"Use the three-argument variant of AtExit() or AddEnvironmentCleanupHook()",
|
||
inline void AtExit(Environment* env,
|
||
void (*cb)(void* arg)) {
|
||
AtExit(env, cb, nullptr);
|
||
})
|
||
|
||
typedef double async_id;
|
||
struct async_context {
|
||
::node::async_id async_id;
|
||
::node::async_id trigger_async_id;
|
||
};
|
||
|
||
/* This is a lot like node::AtExit, except that the hooks added via this
|
||
* function are run before the AtExit ones and will always be registered
|
||
* for the current Environment instance.
|
||
* These functions are safe to use in an addon supporting multiple
|
||
* threads/isolates. */
|
||
NODE_EXTERN void AddEnvironmentCleanupHook(v8::Isolate* isolate,
|
||
void (*fun)(void* arg),
|
||
void* arg);
|
||
|
||
NODE_EXTERN void RemoveEnvironmentCleanupHook(v8::Isolate* isolate,
|
||
void (*fun)(void* arg),
|
||
void* arg);
|
||
|
||
/* These are async equivalents of the above. After the cleanup hook is invoked,
|
||
* `cb(cbarg)` *must* be called, and attempting to remove the cleanup hook will
|
||
* have no effect. */
|
||
struct ACHHandle;
|
||
struct NODE_EXTERN DeleteACHHandle { void operator()(ACHHandle*) const; };
|
||
typedef std::unique_ptr<ACHHandle, DeleteACHHandle> AsyncCleanupHookHandle;
|
||
|
||
NODE_EXTERN AsyncCleanupHookHandle AddEnvironmentCleanupHook(
|
||
v8::Isolate* isolate,
|
||
void (*fun)(void* arg, void (*cb)(void*), void* cbarg),
|
||
void* arg);
|
||
|
||
NODE_EXTERN void RemoveEnvironmentCleanupHook(AsyncCleanupHookHandle holder);
|
||
|
||
/* 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 async id 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);
|
||
|
||
NODE_EXTERN async_context EmitAsyncInit(v8::Isolate* isolate,
|
||
v8::Local<v8::Object> resource,
|
||
v8::Local<v8::String> name,
|
||
async_id trigger_async_id = -1);
|
||
|
||
/* Emit the destroy() callback. The overload taking an `Environment*` argument
|
||
* should be used when the Isolate’s current Context is not associated with
|
||
* a Node.js Environment, or when there is no current Context, for example
|
||
* when calling this function during garbage collection. In that case, the
|
||
* `Environment*` value should have been acquired previously, e.g. through
|
||
* `GetCurrentEnvironment()`. */
|
||
NODE_EXTERN void EmitAsyncDestroy(v8::Isolate* isolate,
|
||
async_context asyncContext);
|
||
NODE_EXTERN void EmitAsyncDestroy(Environment* env,
|
||
async_context asyncContext);
|
||
|
||
class InternalCallbackScope;
|
||
|
||
/* This class works like `MakeCallback()` in that it sets up a specific
|
||
* asyncContext as the current one and informs the async_hooks and domains
|
||
* modules that this context is currently active.
|
||
*
|
||
* `MakeCallback()` is a wrapper around this class as well as
|
||
* `Function::Call()`. Either one of these mechanisms needs to be used for
|
||
* top-level calls into JavaScript (i.e. without any existing JS stack).
|
||
*
|
||
* This object should be stack-allocated to ensure that it is contained in a
|
||
* valid HandleScope.
|
||
*
|
||
* Exceptions happening within this scope will be treated like uncaught
|
||
* exceptions. If this behaviour is undesirable, a new `v8::TryCatch` scope
|
||
* needs to be created inside of this scope.
|
||
*/
|
||
class NODE_EXTERN CallbackScope {
|
||
public:
|
||
CallbackScope(v8::Isolate* isolate,
|
||
v8::Local<v8::Object> resource,
|
||
async_context asyncContext);
|
||
~CallbackScope();
|
||
|
||
void operator=(const CallbackScope&) = delete;
|
||
void operator=(CallbackScope&&) = delete;
|
||
CallbackScope(const CallbackScope&) = delete;
|
||
CallbackScope(CallbackScope&&) = delete;
|
||
|
||
private:
|
||
InternalCallbackScope* private_;
|
||
v8::TryCatch try_catch_;
|
||
};
|
||
|
||
/* 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 NODE_EXTERN AsyncResource {
|
||
public:
|
||
AsyncResource(v8::Isolate* isolate,
|
||
v8::Local<v8::Object> resource,
|
||
const char* name,
|
||
async_id trigger_async_id = -1);
|
||
|
||
virtual ~AsyncResource();
|
||
|
||
AsyncResource(const AsyncResource&) = delete;
|
||
void operator=(const AsyncResource&) = delete;
|
||
|
||
v8::MaybeLocal<v8::Value> MakeCallback(
|
||
v8::Local<v8::Function> callback,
|
||
int argc,
|
||
v8::Local<v8::Value>* argv);
|
||
|
||
v8::MaybeLocal<v8::Value> MakeCallback(
|
||
const char* method,
|
||
int argc,
|
||
v8::Local<v8::Value>* argv);
|
||
|
||
v8::MaybeLocal<v8::Value> MakeCallback(
|
||
v8::Local<v8::String> symbol,
|
||
int argc,
|
||
v8::Local<v8::Value>* argv);
|
||
|
||
v8::Local<v8::Object> get_resource();
|
||
async_id get_async_id() const;
|
||
async_id get_trigger_async_id() const;
|
||
|
||
protected:
|
||
class NODE_EXTERN CallbackScope : public node::CallbackScope {
|
||
public:
|
||
explicit CallbackScope(AsyncResource* res);
|
||
};
|
||
|
||
private:
|
||
Environment* env_;
|
||
v8::Global<v8::Object> resource_;
|
||
async_context async_context_;
|
||
};
|
||
|
||
} // namespace node
|
||
|
||
#endif // SRC_NODE_H_
|