зеркало из https://github.com/electron/electron.git
121 строка
3.9 KiB
C++
121 строка
3.9 KiB
C++
// Copyright (c) 2015 GitHub, Inc.
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// Use of this source code is governed by the MIT license that can be
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// found in the LICENSE file.
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#include "atom/app/node_main.h"
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#include <memory>
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#include <utility>
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#include "atom/app/uv_task_runner.h"
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#include "atom/browser/javascript_environment.h"
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#include "atom/browser/node_debugger.h"
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#include "atom/common/api/atom_bindings.h"
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#include "atom/common/crash_reporter/crash_reporter.h"
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#include "atom/common/native_mate_converters/string16_converter.h"
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#include "atom/common/node_bindings.h"
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#include "base/command_line.h"
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#include "base/feature_list.h"
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#include "base/task/task_scheduler/task_scheduler.h"
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#include "base/threading/thread_task_runner_handle.h"
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#include "gin/array_buffer.h"
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#include "gin/public/isolate_holder.h"
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#include "gin/v8_initializer.h"
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#include "native_mate/dictionary.h"
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#include "atom/common/node_includes.h"
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namespace atom {
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int NodeMain(int argc, char* argv[]) {
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base::CommandLine::Init(argc, argv);
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int exit_code = 1;
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{
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// Feed gin::PerIsolateData with a task runner.
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argv = uv_setup_args(argc, argv);
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uv_loop_t* loop = uv_default_loop();
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scoped_refptr<UvTaskRunner> uv_task_runner(new UvTaskRunner(loop));
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base::ThreadTaskRunnerHandle handle(uv_task_runner);
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// Initialize feature list.
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auto feature_list = std::make_unique<base::FeatureList>();
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feature_list->InitializeFromCommandLine("", "");
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base::FeatureList::SetInstance(std::move(feature_list));
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gin::V8Initializer::LoadV8Snapshot(
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gin::V8Initializer::V8SnapshotFileType::kWithAdditionalContext);
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gin::V8Initializer::LoadV8Natives();
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// V8 requires a task scheduler apparently
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base::TaskScheduler::CreateAndStartWithDefaultParams("Electron");
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// Initialize gin::IsolateHolder.
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JavascriptEnvironment gin_env(loop);
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// Explicitly register electron's builtin modules.
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NodeBindings::RegisterBuiltinModules();
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int exec_argc;
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const char** exec_argv;
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node::Init(&argc, const_cast<const char**>(argv), &exec_argc, &exec_argv);
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node::Environment* env = node::CreateEnvironment(
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node::CreateIsolateData(gin_env.isolate(), loop, gin_env.platform()),
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gin_env.context(), argc, argv, exec_argc, exec_argv);
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// Enable support for v8 inspector.
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NodeDebugger node_debugger(env);
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node_debugger.Start();
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mate::Dictionary process(gin_env.isolate(), env->process_object());
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#if defined(OS_WIN)
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process.SetMethod("log", &AtomBindings::Log);
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#endif
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process.SetMethod("crash", &AtomBindings::Crash);
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// Setup process.crashReporter.start in child node processes
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auto reporter = mate::Dictionary::CreateEmpty(gin_env.isolate());
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reporter.SetMethod("start", &crash_reporter::CrashReporter::StartInstance);
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process.Set("crashReporter", reporter);
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node::LoadEnvironment(env);
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bool more;
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do {
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more = uv_run(env->event_loop(), UV_RUN_ONCE);
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gin_env.platform()->DrainTasks(env->isolate());
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if (more == false) {
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node::EmitBeforeExit(env);
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// Emit `beforeExit` if the loop became alive either after emitting
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// event, or after running some callbacks.
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more = uv_loop_alive(env->event_loop());
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if (uv_run(env->event_loop(), UV_RUN_NOWAIT) != 0)
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more = true;
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}
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} while (more == true);
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exit_code = node::EmitExit(env);
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node::RunAtExit(env);
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gin_env.platform()->DrainTasks(env->isolate());
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gin_env.platform()->CancelPendingDelayedTasks(env->isolate());
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gin_env.platform()->UnregisterIsolate(env->isolate());
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node::FreeEnvironment(env);
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}
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// According to "src/gin/shell/gin_main.cc":
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//
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// gin::IsolateHolder waits for tasks running in TaskScheduler in its
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// destructor and thus must be destroyed before TaskScheduler starts skipping
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// CONTINUE_ON_SHUTDOWN tasks.
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base::TaskScheduler::GetInstance()->Shutdown();
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v8::V8::Dispose();
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return exit_code;
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}
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} // namespace atom
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