bcba4baa85
* fix: use Node.js isolate setup logic in bindings * Flags should be more process-specific * Remove redundant isolate function setting * Remove old SetFatalErrorHandler call
312 lines
9.6 KiB
C++
312 lines
9.6 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 "shell/app/node_main.h"
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#include <map>
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#include <memory>
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#include <string>
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#include <unordered_set>
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#include <utility>
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#include <vector>
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#include "base/base_switches.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/strings/string_util.h"
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#include "base/strings/utf_string_conversions.h"
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#include "base/task/thread_pool/thread_pool_instance.h"
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#include "base/threading/thread_task_runner_handle.h"
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#include "content/public/common/content_switches.h"
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#include "electron/electron_version.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 "shell/app/uv_task_runner.h"
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#include "shell/browser/javascript_environment.h"
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#include "shell/browser/node_debugger.h"
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#include "shell/common/api/electron_bindings.h"
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#include "shell/common/gin_helper/dictionary.h"
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#include "shell/common/node_bindings.h"
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#include "shell/common/node_includes.h"
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#if defined(OS_LINUX)
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#include "components/crash/core/app/breakpad_linux.h"
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#endif
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#if defined(OS_WIN)
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#include "chrome/child/v8_crashpad_support_win.h"
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#endif
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#if !defined(MAS_BUILD)
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#include "components/crash/core/app/crashpad.h" // nogncheck
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#include "shell/app/electron_crash_reporter_client.h"
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#include "shell/browser/api/electron_api_crash_reporter.h"
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#include "shell/common/crash_keys.h"
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#endif
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namespace {
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// Initialize Node.js cli options to pass to Node.js
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// See https://nodejs.org/api/cli.html#cli_options
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void SetNodeCliFlags() {
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// Options that are unilaterally disallowed
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const std::unordered_set<base::StringPiece, base::StringPieceHash>
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disallowed = {"--openssl-config", "--use-bundled-ca", "--use-openssl-ca",
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"--force-fips", "--enable-fips"};
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const auto argv = base::CommandLine::ForCurrentProcess()->argv();
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std::vector<std::string> args;
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// TODO(codebytere): We need to set the first entry in args to the
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// process name owing to src/node_options-inl.h#L286-L290 but this is
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// redundant and so should be refactored upstream.
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args.reserve(argv.size() + 1);
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args.emplace_back("electron");
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for (const auto& arg : argv) {
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#if defined(OS_WIN)
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const auto& option = base::UTF16ToUTF8(arg);
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#else
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const auto& option = arg;
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#endif
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const auto stripped = base::StringPiece(option).substr(0, option.find('='));
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if (disallowed.count(stripped) != 0) {
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LOG(ERROR) << "The Node.js cli flag " << stripped
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<< " is not supported in Electron";
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} else {
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args.push_back(option);
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}
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}
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std::vector<std::string> errors;
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// Node.js itself will output parsing errors to
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// console so we don't need to handle that ourselves
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ProcessGlobalArgs(&args, nullptr, &errors, node::kDisallowedInEnvironment);
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}
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#if defined(MAS_BUILD)
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void SetCrashKeyStub(const std::string& key, const std::string& value) {}
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void ClearCrashKeyStub(const std::string& key) {}
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#endif
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} // namespace
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namespace electron {
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#if defined(OS_LINUX)
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void CrashReporterStart(gin_helper::Dictionary options) {
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std::string submit_url;
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bool upload_to_server = true;
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bool ignore_system_crash_handler = false;
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bool rate_limit = false;
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bool compress = false;
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std::map<std::string, std::string> global_extra;
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std::map<std::string, std::string> extra;
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options.Get("submitURL", &submit_url);
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options.Get("uploadToServer", &upload_to_server);
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options.Get("ignoreSystemCrashHandler", &ignore_system_crash_handler);
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options.Get("rateLimit", &rate_limit);
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options.Get("compress", &compress);
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options.Get("extra", &extra);
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options.Get("globalExtra", &global_extra);
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std::string product_name;
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if (options.Get("productName", &product_name))
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global_extra["_productName"] = product_name;
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std::string company_name;
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if (options.Get("companyName", &company_name))
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global_extra["_companyName"] = company_name;
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api::crash_reporter::Start(submit_url, upload_to_server,
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ignore_system_crash_handler, rate_limit, compress,
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global_extra, extra, true);
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}
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#endif
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v8::Local<v8::Value> GetParameters(v8::Isolate* isolate) {
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std::map<std::string, std::string> keys;
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#if !defined(MAS_BUILD)
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electron::crash_keys::GetCrashKeys(&keys);
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#endif
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return gin::ConvertToV8(isolate, keys);
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}
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int NodeMain(int argc, char* argv[]) {
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base::CommandLine::Init(argc, argv);
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#if defined(OS_WIN)
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v8_crashpad_support::SetUp();
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#endif
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#if !defined(MAS_BUILD)
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ElectronCrashReporterClient::Create();
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#endif
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#if defined(OS_WIN) || (defined(OS_MACOSX) && !defined(MAS_BUILD))
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crash_reporter::InitializeCrashpad(false, "node");
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#endif
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#if !defined(MAS_BUILD)
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crash_keys::SetCrashKeysFromCommandLine(
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*base::CommandLine::ForCurrentProcess());
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crash_keys::SetPlatformCrashKey();
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#endif
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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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// Explicitly register electron's builtin modules.
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NodeBindings::RegisterBuiltinModules();
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// Parse and set Node.js cli flags.
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SetNodeCliFlags();
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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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gin::V8Initializer::LoadV8Snapshot(
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gin::V8Initializer::V8SnapshotFileType::kWithAdditionalContext);
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// V8 requires a task scheduler apparently
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base::ThreadPoolInstance::CreateAndStartWithDefaultParams("Electron");
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// Initialize gin::IsolateHolder.
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JavascriptEnvironment gin_env(loop);
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v8::Isolate* isolate = gin_env.isolate();
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v8::Isolate::Scope isolate_scope(isolate);
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v8::Locker locker(isolate);
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node::Environment* env = nullptr;
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node::IsolateData* isolate_data = nullptr;
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{
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v8::HandleScope scope(isolate);
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isolate_data = node::CreateIsolateData(isolate, loop, gin_env.platform());
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CHECK_NE(nullptr, isolate_data);
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env = node::CreateEnvironment(isolate_data, gin_env.context(), argc, argv,
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exec_argc, exec_argv);
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CHECK_NE(nullptr, env);
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// This needs to be called before the inspector is initialized.
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env->InitializeDiagnostics();
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node::IsolateSettings is;
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node::SetIsolateUpForNode(isolate, is);
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gin_helper::Dictionary process(isolate, env->process_object());
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#if defined(OS_WIN)
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process.SetMethod("log", &ElectronBindings::Log);
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#endif
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process.SetMethod("crash", &ElectronBindings::Crash);
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// Setup process.crashReporter in child node processes
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gin_helper::Dictionary reporter = gin::Dictionary::CreateEmpty(isolate);
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#if defined(OS_LINUX)
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reporter.SetMethod("start", &CrashReporterStart);
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#endif
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reporter.SetMethod("getParameters", &GetParameters);
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#if defined(MAS_BUILD)
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reporter.SetMethod("addExtraParameter", &SetCrashKeyStub);
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reporter.SetMethod("removeExtraParameter", &ClearCrashKeyStub);
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#else
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reporter.SetMethod("addExtraParameter",
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&electron::crash_keys::SetCrashKey);
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reporter.SetMethod("removeExtraParameter",
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&electron::crash_keys::ClearCrashKey);
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#endif
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process.Set("crashReporter", reporter);
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gin_helper::Dictionary versions;
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if (process.Get("versions", &versions)) {
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versions.SetReadOnly(ELECTRON_PROJECT_NAME, ELECTRON_VERSION_STRING);
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}
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}
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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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// TODO(codebytere): we should try to handle this upstream.
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{
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v8::HandleScope scope(isolate);
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node::InternalCallbackScope callback_scope(
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env, v8::Object::New(isolate), {1, 0},
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node::InternalCallbackScope::kSkipAsyncHooks);
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node::LoadEnvironment(env);
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}
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env->set_trace_sync_io(env->options()->trace_sync_io);
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{
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v8::SealHandleScope seal(isolate);
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bool more;
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do {
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uv_run(env->event_loop(), UV_RUN_DEFAULT);
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gin_env.platform()->DrainTasks(isolate);
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more = uv_loop_alive(env->event_loop());
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if (more && !env->is_stopping())
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continue;
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if (!uv_loop_alive(env->event_loop())) {
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EmitBeforeExit(env);
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}
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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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} while (more && !env->is_stopping());
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}
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node_debugger.Stop();
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env->set_trace_sync_io(false);
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exit_code = node::EmitExit(env);
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node::ResetStdio();
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env->set_can_call_into_js(false);
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env->stop_sub_worker_contexts();
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env->RunCleanup();
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node::RunAtExit(env);
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node::FreeEnvironment(env);
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node::FreeIsolateData(isolate_data);
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gin_env.platform()->DrainTasks(isolate);
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gin_env.platform()->CancelPendingDelayedTasks(isolate);
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gin_env.platform()->UnregisterIsolate(isolate);
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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 ThreadPool in its
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// destructor and thus must be destroyed before ThreadPool starts skipping
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// CONTINUE_ON_SHUTDOWN tasks.
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base::ThreadPoolInstance::Get()->Shutdown();
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v8::V8::Dispose();
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return exit_code;
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}
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} // namespace electron
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