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9fd6122659
Provide helpers for a) spinning the event loop and b) setting up and tearing down the objects involved in a single Node.js instance, as they would typically be used. The former helper is also usable inside Node.js itself, for both Worker and main threads. PR-URL: https://github.com/nodejs/node/pull/35597 Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Denys Otrishko <shishugi@gmail.com>
88 lines
2.6 KiB
C++
88 lines
2.6 KiB
C++
#include "node.h"
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#include "uv.h"
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#include <assert.h>
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// Note: This file is being referred to from doc/api/embedding.md, and excerpts
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// from it are included in the documentation. Try to keep these in sync.
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using node::CommonEnvironmentSetup;
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using node::Environment;
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using node::MultiIsolatePlatform;
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using v8::Context;
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using v8::HandleScope;
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using v8::Isolate;
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using v8::Locker;
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using v8::MaybeLocal;
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using v8::V8;
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using v8::Value;
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static int RunNodeInstance(MultiIsolatePlatform* platform,
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const std::vector<std::string>& args,
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const std::vector<std::string>& exec_args);
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int main(int argc, char** argv) {
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argv = uv_setup_args(argc, argv);
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std::vector<std::string> args(argv, argv + argc);
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std::vector<std::string> exec_args;
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std::vector<std::string> errors;
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int exit_code = node::InitializeNodeWithArgs(&args, &exec_args, &errors);
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for (const std::string& error : errors)
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fprintf(stderr, "%s: %s\n", args[0].c_str(), error.c_str());
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if (exit_code != 0) {
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return exit_code;
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}
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std::unique_ptr<MultiIsolatePlatform> platform =
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MultiIsolatePlatform::Create(4);
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V8::InitializePlatform(platform.get());
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V8::Initialize();
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int ret = RunNodeInstance(platform.get(), args, exec_args);
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V8::Dispose();
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V8::ShutdownPlatform();
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return ret;
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}
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int RunNodeInstance(MultiIsolatePlatform* platform,
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const std::vector<std::string>& args,
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const std::vector<std::string>& exec_args) {
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int exit_code = 0;
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std::vector<std::string> errors;
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std::unique_ptr<CommonEnvironmentSetup> setup =
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CommonEnvironmentSetup::Create(platform, &errors, args, exec_args);
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if (!setup) {
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for (const std::string& err : errors)
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fprintf(stderr, "%s: %s\n", args[0].c_str(), err.c_str());
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return 1;
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}
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Isolate* isolate = setup->isolate();
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Environment* env = setup->env();
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{
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Locker locker(isolate);
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Isolate::Scope isolate_scope(isolate);
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HandleScope handle_scope(isolate);
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Context::Scope context_scope(setup->context());
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MaybeLocal<Value> loadenv_ret = node::LoadEnvironment(
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env,
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"const publicRequire ="
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" require('module').createRequire(process.cwd() + '/');"
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"globalThis.require = publicRequire;"
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"globalThis.embedVars = { nön_ascıı: '🏳️🌈' };"
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"require('vm').runInThisContext(process.argv[1]);");
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if (loadenv_ret.IsEmpty()) // There has been a JS exception.
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return 1;
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exit_code = node::SpinEventLoop(env).FromMaybe(1);
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node::Stop(env);
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}
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return exit_code;
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}
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