Reland "[d8] Add d8 global variable"

This is a reland of 6798619a

Original change's description:
> [d8] Add d8 global variable
>
> - Add a a "d8" global variable where d8 can provide helpers.
>   This in in preparation of adding d8.log for testing our log parsers
>   written in JavaScript.
>
> - Separate d8 helper creation into individual functions.
>
> Bug: v8:10668
> Change-Id: I84e434452463afb93ae403f890d8841b20b00703
> Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2400990
> Reviewed-by: Toon Verwaest <verwaest@chromium.org>
> Commit-Queue: Camillo Bruni <cbruni@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#69801}


Tbr: verwaest@chromium.org
Bug: v8:10668
Change-Id: If3256ec4e11f01ef1dc5c2e61fa33ed6d7a6aee3
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2409274Reviewed-by: Camillo Bruni <cbruni@chromium.org>
Commit-Queue: Camillo Bruni <cbruni@chromium.org>
Cr-Commit-Position: refs/heads/master@{#69867}

src/d8/d8.cc

@@ -2071,6 +2071,11 @@ Local<String> Shell::Stringify(Isolate* isolate, Local<Value> value) {
 
 Local<ObjectTemplate> Shell::CreateGlobalTemplate(Isolate* isolate) {
   Local<ObjectTemplate> global_template = ObjectTemplate::New(isolate);
+  global_template->Set(Symbol::GetToStringTag(isolate),
+                       String::NewFromUtf8Literal(isolate, "global"));
+  global_template->Set(isolate, "version",
+                       FunctionTemplate::New(isolate, Version));
+
   global_template->Set(isolate, "print", FunctionTemplate::New(isolate, Print));
   global_template->Set(isolate, "printErr",
                        FunctionTemplate::New(isolate, PrintErr));
@@ -2089,8 +2094,79 @@ Local<ObjectTemplate> Shell::CreateGlobalTemplate(Isolate* isolate) {
   if (!options.omit_quit) {
     global_template->Set(isolate, "quit", FunctionTemplate::New(isolate, Quit));
   }
+  global_template->Set(isolate, "testRunner",
+                       Shell::CreateTestRunnerTemplate(isolate));
+  global_template->Set(isolate, "Realm", Shell::CreateRealmTemplate(isolate));
+  global_template->Set(isolate, "performance",
+                       Shell::CreatePerformanceTemplate(isolate));
+  global_template->Set(isolate, "Worker", Shell::CreateWorkerTemplate(isolate));
+  global_template->Set(isolate, "os", Shell::CreateOSTemplate(isolate));
+  global_template->Set(isolate, "d8", Shell::CreateD8Template(isolate));
+
+#ifdef V8_FUZZILLI
+  global_template->Set(
+      String::NewFromUtf8(isolate, "fuzzilli", NewStringType::kNormal)
+          .ToLocalChecked(),
+      FunctionTemplate::New(isolate, Fuzzilli), PropertyAttribute::DontEnum);
+#endif  // V8_FUZZILLI
+
+  if (i::FLAG_expose_async_hooks) {
+    global_template->Set(isolate, "async_hooks",
+                         Shell::CreateAsyncHookTemplate(isolate));
+  }
+
+  return global_template;
+}
+
+Local<ObjectTemplate> Shell::CreateOSTemplate(Isolate* isolate) {
+  Local<ObjectTemplate> os_template = ObjectTemplate::New(isolate);
+  AddOSMethods(isolate, os_template);
+  return os_template;
+}
+
+Local<FunctionTemplate> Shell::CreateWorkerTemplate(Isolate* isolate) {
+  Local<FunctionTemplate> worker_fun_template =
+      FunctionTemplate::New(isolate, WorkerNew);
+  Local<Signature> worker_signature =
+      Signature::New(isolate, worker_fun_template);
+  worker_fun_template->SetClassName(
+      String::NewFromUtf8Literal(isolate, "Worker"));
+  worker_fun_template->ReadOnlyPrototype();
+  worker_fun_template->PrototypeTemplate()->Set(
+      isolate, "terminate",
+      FunctionTemplate::New(isolate, WorkerTerminate, Local<Value>(),
+                            worker_signature));
+  worker_fun_template->PrototypeTemplate()->Set(
+      isolate, "terminateAndWait",
+      FunctionTemplate::New(isolate, WorkerTerminateAndWait, Local<Value>(),
+                            worker_signature));
+  worker_fun_template->PrototypeTemplate()->Set(
+      isolate, "postMessage",
+      FunctionTemplate::New(isolate, WorkerPostMessage, Local<Value>(),
+                            worker_signature));
+  worker_fun_template->PrototypeTemplate()->Set(
+      isolate, "getMessage",
+      FunctionTemplate::New(isolate, WorkerGetMessage, Local<Value>(),
+                            worker_signature));
+  worker_fun_template->InstanceTemplate()->SetInternalFieldCount(1);
+  return worker_fun_template;
+}
+
+Local<ObjectTemplate> Shell::CreateAsyncHookTemplate(Isolate* isolate) {
+  Local<ObjectTemplate> async_hooks_templ = ObjectTemplate::New(isolate);
+  async_hooks_templ->Set(isolate, "createHook",
+                         FunctionTemplate::New(isolate, AsyncHooksCreateHook));
+  async_hooks_templ->Set(
+      isolate, "executionAsyncId",
+      FunctionTemplate::New(isolate, AsyncHooksExecutionAsyncId));
+  async_hooks_templ->Set(
+      isolate, "triggerAsyncId",
+      FunctionTemplate::New(isolate, AsyncHooksTriggerAsyncId));
+  return async_hooks_templ;
+}
+
+Local<ObjectTemplate> Shell::CreateTestRunnerTemplate(Isolate* isolate) {
   Local<ObjectTemplate> test_template = ObjectTemplate::New(isolate);
-  global_template->Set(isolate, "testRunner", test_template);
   test_template->Set(isolate, "notifyDone",
                      FunctionTemplate::New(isolate, NotifyDone));
   test_template->Set(isolate, "waitUntilDone",
@@ -2099,13 +2175,20 @@ Local<ObjectTemplate> Shell::CreateGlobalTemplate(Isolate* isolate) {
   // installed on the global object can be hidden with the --omit-quit flag
   // (e.g. on asan bots).
   test_template->Set(isolate, "quit", FunctionTemplate::New(isolate, Quit));
+  return test_template;
+}
 
-  global_template->Set(isolate, "version",
-                       FunctionTemplate::New(isolate, Version));
-  global_template->Set(Symbol::GetToStringTag(isolate),
-                       String::NewFromUtf8Literal(isolate, "global"));
+Local<ObjectTemplate> Shell::CreatePerformanceTemplate(Isolate* isolate) {
+  Local<ObjectTemplate> performance_template = ObjectTemplate::New(isolate);
+  performance_template->Set(isolate, "now",
+                            FunctionTemplate::New(isolate, PerformanceNow));
+  performance_template->Set(
+      isolate, "measureMemory",
+      FunctionTemplate::New(isolate, PerformanceMeasureMemory));
+  return performance_template;
+}
 
-  // Bind the Realm object.
+Local<ObjectTemplate> Shell::CreateRealmTemplate(Isolate* isolate) {
   Local<ObjectTemplate> realm_template = ObjectTemplate::New(isolate);
   realm_template->Set(isolate, "current",
                       FunctionTemplate::New(isolate, RealmCurrent));
@@ -2130,68 +2213,12 @@ Local<ObjectTemplate> Shell::CreateGlobalTemplate(Isolate* isolate) {
                       FunctionTemplate::New(isolate, RealmEval));
   realm_template->SetAccessor(String::NewFromUtf8Literal(isolate, "shared"),
                               RealmSharedGet, RealmSharedSet);
-  global_template->Set(isolate, "Realm", realm_template);
-
-  Local<ObjectTemplate> performance_template = ObjectTemplate::New(isolate);
-  performance_template->Set(isolate, "now",
-                            FunctionTemplate::New(isolate, PerformanceNow));
-  performance_template->Set(
-      isolate, "measureMemory",
-      FunctionTemplate::New(isolate, PerformanceMeasureMemory));
-  global_template->Set(isolate, "performance", performance_template);
-
-  Local<FunctionTemplate> worker_fun_template =
-      FunctionTemplate::New(isolate, WorkerNew);
-  Local<Signature> worker_signature =
-      Signature::New(isolate, worker_fun_template);
-  worker_fun_template->SetClassName(
-      String::NewFromUtf8Literal(isolate, "Worker"));
-  worker_fun_template->ReadOnlyPrototype();
-  worker_fun_template->PrototypeTemplate()->Set(
-      isolate, "terminate",
-      FunctionTemplate::New(isolate, WorkerTerminate, Local<Value>(),
-                            worker_signature));
-  worker_fun_template->PrototypeTemplate()->Set(
-      isolate, "terminateAndWait",
-      FunctionTemplate::New(isolate, WorkerTerminateAndWait, Local<Value>(),
-                            worker_signature));
-  worker_fun_template->PrototypeTemplate()->Set(
-      isolate, "postMessage",
-      FunctionTemplate::New(isolate, WorkerPostMessage, Local<Value>(),
-                            worker_signature));
-  worker_fun_template->PrototypeTemplate()->Set(
-      isolate, "getMessage",
-      FunctionTemplate::New(isolate, WorkerGetMessage, Local<Value>(),
-                            worker_signature));
-  worker_fun_template->InstanceTemplate()->SetInternalFieldCount(1);
-  global_template->Set(isolate, "Worker", worker_fun_template);
-
-  Local<ObjectTemplate> os_templ = ObjectTemplate::New(isolate);
-  AddOSMethods(isolate, os_templ);
-  global_template->Set(isolate, "os", os_templ);
-
-#ifdef V8_FUZZILLI
-  global_template->Set(
-      String::NewFromUtf8(isolate, "fuzzilli", NewStringType::kNormal)
-          .ToLocalChecked(),
-      FunctionTemplate::New(isolate, Fuzzilli), PropertyAttribute::DontEnum);
-#endif  // V8_FUZZILLI
-
-  if (i::FLAG_expose_async_hooks) {
-    Local<ObjectTemplate> async_hooks_templ = ObjectTemplate::New(isolate);
-    async_hooks_templ->Set(
-        isolate, "createHook",
-        FunctionTemplate::New(isolate, AsyncHooksCreateHook));
-    async_hooks_templ->Set(
-        isolate, "executionAsyncId",
-        FunctionTemplate::New(isolate, AsyncHooksExecutionAsyncId));
-    async_hooks_templ->Set(
-        isolate, "triggerAsyncId",
-        FunctionTemplate::New(isolate, AsyncHooksTriggerAsyncId));
-    global_template->Set(isolate, "async_hooks", async_hooks_templ);
-  }
+  return realm_template;
+}
 
-  return global_template;
+Local<ObjectTemplate> Shell::CreateD8Template(Isolate* isolate) {
+  Local<ObjectTemplate> d8_template = ObjectTemplate::New(isolate);
+  return d8_template;
 }
 
 static void PrintMessageCallback(Local<Message> message, Local<Value> error) {

src/d8/d8.h

@@ -539,7 +539,16 @@ class Shell : public i::AllStatic {
   static Local<String> Stringify(Isolate* isolate, Local<Value> value);
   static void RunShell(Isolate* isolate);
   static bool SetOptions(int argc, char* argv[]);
+
   static Local<ObjectTemplate> CreateGlobalTemplate(Isolate* isolate);
+  static Local<ObjectTemplate> CreateOSTemplate(Isolate* isolate);
+  static Local<FunctionTemplate> CreateWorkerTemplate(Isolate* isolate);
+  static Local<ObjectTemplate> CreateAsyncHookTemplate(Isolate* isolate);
+  static Local<ObjectTemplate> CreateTestRunnerTemplate(Isolate* isolate);
+  static Local<ObjectTemplate> CreatePerformanceTemplate(Isolate* isolate);
+  static Local<ObjectTemplate> CreateRealmTemplate(Isolate* isolate);
+  static Local<ObjectTemplate> CreateD8Template(Isolate* isolate);
+
   static MaybeLocal<Context> CreateRealm(
       const v8::FunctionCallbackInfo<v8::Value>& args, int index,
       v8::MaybeLocal<Value> global_object);