src: rewrite task runner in c++

PR-URL: nodejs#52609
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Daniel Lemire <daniel@lemire.me>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Stephen Belanger <admin@stephenbelanger.com>

Author: anonrig

lib/internal/main/run.js

@@ -136,6 +136,7 @@
       'src/node_stat_watcher.cc',
       'src/node_symbols.cc',
       'src/node_task_queue.cc',
+      'src/node_task_runner.cc',
       'src/node_trace_events.cc',
       'src/node_types.cc',
       'src/node_url.cc',
@@ -397,6 +398,7 @@
       'test/cctest/test_base_object_ptr.cc',
       'test/cctest/test_cppgc.cc',
       'test/cctest/test_node_postmortem_metadata.cc',
+      'test/cctest/test_node_task_runner.cc',
       'test/cctest/test_environment.cc',
       'test/cctest/test_linked_binding.cc',
       'test/cctest/test_node_api.cc',

lib/internal/shell.js

@@ -21,6 +21,7 @@
 
 #include "node.h"
 #include "node_dotenv.h"
+#include "node_task_runner.h"
 
 // ========== local headers ==========
 
@@ -360,10 +361,6 @@ MaybeLocal<Value> StartExecution(Environment* env, StartExecutionCallback cb) {
     return StartExecution(env, "internal/main/watch_mode");
   }
 
-  if (!env->options()->run.empty()) {
-    return StartExecution(env, "internal/main/run");
-  }
-
   if (!first_argv.empty() && first_argv != "-") {
     return StartExecution(env, "internal/main/run_main_module");
   }
@@ -976,11 +973,11 @@ int InitializeNodeWithArgs(std::vector<std::string>* argv,
       InitializeNodeWithArgsInternal(argv, exec_argv, errors, flags));
 }
 
-static std::unique_ptr<InitializationResultImpl>
+static std::shared_ptr<InitializationResultImpl>
 InitializeOncePerProcessInternal(const std::vector<std::string>& args,
                                  ProcessInitializationFlags::Flags flags =
                                      ProcessInitializationFlags::kNoFlags) {
-  auto result = std::make_unique<InitializationResultImpl>();
+  auto result = std::make_shared<InitializationResultImpl>();
   result->args_ = args;
 
   if (!(flags & ProcessInitializationFlags::kNoParseGlobalDebugVariables)) {
@@ -1010,6 +1007,22 @@ InitializeOncePerProcessInternal(const std::vector<std::string>& args,
     }
   }
 
+  if (!per_process::cli_options->run.empty()) {
+    // TODO(@anonrig): Handle NODE_NO_WARNINGS, NODE_REDIRECT_WARNINGS,
+    //  --disable-warning and --redirect-warnings.
+    if (per_process::cli_options->per_isolate->per_env->warnings) {
+      fprintf(stderr,
+              "ExperimentalWarning: Task runner is an experimental feature and "
+              "might change at any time\n\n");
+    }
+
+    auto positional_args = task_runner::GetPositionalArgs(args);
+    result->early_return_ = true;
+    task_runner::RunTask(
+        result, per_process::cli_options->run, positional_args);
+    return result;
+  }
+
   if (!(flags & ProcessInitializationFlags::kNoPrintHelpOrVersionOutput)) {
     if (per_process::cli_options->print_version) {
       printf("%s\n", NODE_VERSION);
@@ -1169,7 +1182,7 @@ InitializeOncePerProcessInternal(const std::vector<std::string>& args,
   return result;
 }
 
-std::unique_ptr<InitializationResult> InitializeOncePerProcess(
+std::shared_ptr<InitializationResult> InitializeOncePerProcess(
     const std::vector<std::string>& args,
     ProcessInitializationFlags::Flags flags) {
   return InitializeOncePerProcessInternal(args, flags);
@@ -1375,7 +1388,7 @@ static ExitCode StartInternal(int argc, char** argv) {
   // Hack around with the argv pointer. Used for process.title = "blah".
   argv = uv_setup_args(argc, argv);
 
-  std::unique_ptr<InitializationResultImpl> result =
+  std::shared_ptr<InitializationResultImpl> result =
       InitializeOncePerProcessInternal(
           std::vector<std::string>(argv, argv + argc));
   for (const std::string& error : result->errors()) {

node.gyp

@@ -349,7 +349,7 @@ NODE_DEPRECATED("Use InitializeOncePerProcess() instead",
 // including the arguments split into argv/exec_argv, a list of potential
 // errors encountered during initialization, and a potential suggested
 // exit code.
-NODE_EXTERN std::unique_ptr<InitializationResult> InitializeOncePerProcess(
+NODE_EXTERN std::shared_ptr<InitializationResult> InitializeOncePerProcess(
     const std::vector<std::string>& args,
     ProcessInitializationFlags::Flags flags =
         ProcessInitializationFlags::kNoFlags);
@@ -358,7 +358,7 @@ NODE_EXTERN std::unique_ptr<InitializationResult> InitializeOncePerProcess(
 NODE_EXTERN void TearDownOncePerProcess();
 // Convenience overload for specifying multiple flags without having
 // to worry about casts.
-inline std::unique_ptr<InitializationResult> InitializeOncePerProcess(
+inline std::shared_ptr<InitializationResult> InitializeOncePerProcess(
     const std::vector<std::string>& args,
     std::initializer_list<ProcessInitializationFlags::Flags> list) {
   uint64_t flags_accum = ProcessInitializationFlags::kNoFlags;

src/node.cc

@@ -367,28 +367,6 @@ void BindingData::GetNearestParentPackageJSONType(
   args.GetReturnValue().Set(Array::New(realm->isolate(), values, 3));
 }
 
-void BindingData::GetPackageJSONScripts(
-    const FunctionCallbackInfo<Value>& args) {
-  Realm* realm = Realm::GetCurrent(args);
-  std::string_view path = "package.json";
-
-  THROW_IF_INSUFFICIENT_PERMISSIONS(
-      realm->env(), permission::PermissionScope::kFileSystemRead, path);
-
-  auto package_json = GetPackageJSON(realm, path);
-  if (package_json == nullptr) {
-    printf("Can't read package.json\n");
-    return;
-  } else if (!package_json->scripts.has_value()) {
-    printf("Can't read package.json \"scripts\" object\n");
-    return;
-  }
-
-  args.GetReturnValue().Set(
-      ToV8Value(realm->context(), package_json->scripts.value())
-          .ToLocalChecked());
-}
-
 void BindingData::GetPackageScopeConfig(
     const FunctionCallbackInfo<Value>& args) {
   CHECK_GE(args.Length(), 1);
@@ -469,7 +447,6 @@ void BindingData::CreatePerIsolateProperties(IsolateData* isolate_data,
             "getNearestParentPackageJSON",
             GetNearestParentPackageJSON);
   SetMethod(isolate, target, "getPackageScopeConfig", GetPackageScopeConfig);
-  SetMethod(isolate, target, "getPackageJSONScripts", GetPackageJSONScripts);
 }
 
 void BindingData::CreatePerContextProperties(Local<Object> target,
@@ -486,7 +463,6 @@ void BindingData::RegisterExternalReferences(
   registry->Register(GetNearestParentPackageJSONType);
   registry->Register(GetNearestParentPackageJSON);
   registry->Register(GetPackageScopeConfig);
-  registry->Register(GetPackageJSONScripts);
 }
 
 }  // namespace modules

src/node.h

@@ -566,10 +566,7 @@ EnvironmentOptionsParser::EnvironmentOptionsParser() {
             "process V8 profiler output generated using --prof",
             &EnvironmentOptions::prof_process);
   // Options after --prof-process are passed through to the prof processor.
-  AddAlias("--prof-process", { "--prof-process", "--" });
-  AddOption("--run",
-            "Run a script specified in package.json",
-            &EnvironmentOptions::run);
+  AddAlias("--prof-process", {"--prof-process", "--"});
 #if HAVE_INSPECTOR
   AddOption("--cpu-prof",
             "Start the V8 CPU profiler on start up, and write the CPU profile "
@@ -1069,6 +1066,10 @@ PerProcessOptionsParser::PerProcessOptionsParser(
             "Generate a blob that can be embedded into the single executable "
             "application",
             &PerProcessOptions::experimental_sea_config);
+
+  AddOption("--run",
+            "Run a script specified in package.json",
+            &PerProcessOptions::run);
 }
 
 inline std::string RemoveBrackets(const std::string& host) {

src/node_modules.cc

@@ -161,7 +161,6 @@ class EnvironmentOptions : public Options {
   bool heap_prof = false;
 #endif  // HAVE_INSPECTOR
   std::string redirect_warnings;
-  std::string run;
   std::string diagnostic_dir;
   std::string env_file;
   bool has_env_file_string = false;
@@ -280,6 +279,7 @@ class PerProcessOptions : public Options {
   bool print_v8_help = false;
   bool print_version = false;
   std::string experimental_sea_config;
+  std::string run;
 
 #ifdef NODE_HAVE_I18N_SUPPORT
   std::string icu_data_dir;