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Reland "[d8] Add d8 global variable"
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This is a reland of 6798619

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/+/2409274
Reviewed-by: Camillo Bruni <cbruni@chromium.org>
Commit-Queue: Camillo Bruni <cbruni@chromium.org>
Cr-Commit-Position: refs/heads/master@{#69867}
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@camillobruni
camillobruni authored and Commit Bot committed Sep 14, 2020
1 parent fa32bc0 commit c922458
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Showing 2 changed files with 103 additions and 67 deletions.
161 changes: 94 additions & 67 deletions src/d8/d8.cc
View file
Expand Up @@ -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));
Expand All @@ -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",
Expand All @@ -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));
Expand All @@ -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) {
Expand Down
9 changes: 9 additions & 0 deletions src/d8/d8.h
View file
Expand Up @@ -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);
Expand Down

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