Do not expose all timer events to the API callback.

src/api.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/api.h"
 
 #include <string.h>  // For memcpy, strlen.
 #ifdef V8_USE_ADDRESS_SANITIZER
 #include <sanitizer/asan_interface.h>
 #endif  // V8_USE_ADDRESS_SANITIZER
@@ skipping 1656 matching lines @@
 
 Local<Value> Script::Run() {
   i::Handle<i::Object> obj = Utils::OpenHandle(this, true);
   // If execution is terminating, Compile(..)->Run() requires this
   // check.
   if (obj.is_null()) return Local<Value>();
   i::Isolate* isolate = i::Handle<i::HeapObject>::cast(obj)->GetIsolate();
   ON_BAILOUT(isolate, "v8::Script::Run()", return Local<Value>());
   LOG_API(isolate, "Script::Run");
   ENTER_V8(isolate);
-  i::Logger::TimerEventScope timer_scope(
-      isolate, i::Logger::TimerEventScope::v8_execute);
+  TimerEventScope<TimerEventExecute> timer_scope(isolate);
   i::HandleScope scope(isolate);
   i::Handle<i::JSFunction> fun = i::Handle<i::JSFunction>::cast(obj);
   EXCEPTION_PREAMBLE(isolate);
   i::Handle<i::Object> receiver(isolate->global_proxy(), isolate);
   i::Handle<i::Object> result;
   has_pending_exception = !i::Execution::Call(
       isolate, fun, receiver, 0, NULL).ToHandle(&result);
   EXCEPTION_BAILOUT_CHECK_DO_CALLBACK(isolate, Local<Value>());
   return Utils::ToLocal(scope.CloseAndEscape(result));
 }
@@ skipping 2188 matching lines @@
 
 
 Local<v8::Value> Object::CallAsFunction(v8::Handle<v8::Value> recv,
                                         int argc,
                                         v8::Handle<v8::Value> argv[]) {
   i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
   ON_BAILOUT(isolate, "v8::Object::CallAsFunction()",
              return Local<v8::Value>());
   LOG_API(isolate, "Object::CallAsFunction");
   ENTER_V8(isolate);
-  i::Logger::TimerEventScope timer_scope(
-      isolate, i::Logger::TimerEventScope::v8_execute);
+  TimerEventScope<TimerEventExecute> timer_scope(isolate);
   i::HandleScope scope(isolate);
   i::Handle<i::JSObject> obj = Utils::OpenHandle(this);
   i::Handle<i::Object> recv_obj = Utils::OpenHandle(*recv);
   STATIC_ASSERT(sizeof(v8::Handle<v8::Value>) == sizeof(i::Object**));
   i::Handle<i::Object>* args = reinterpret_cast<i::Handle<i::Object>*>(argv);
   i::Handle<i::JSFunction> fun = i::Handle<i::JSFunction>();
   if (obj->IsJSFunction()) {
     fun = i::Handle<i::JSFunction>::cast(obj);
   } else {
     EXCEPTION_PREAMBLE(isolate);
@@ skipping 13 matching lines @@
 }
 
 
 Local<v8::Value> Object::CallAsConstructor(int argc,
                                            v8::Handle<v8::Value> argv[]) {
   i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
   ON_BAILOUT(isolate, "v8::Object::CallAsConstructor()",
              return Local<v8::Object>());
   LOG_API(isolate, "Object::CallAsConstructor");
   ENTER_V8(isolate);
-  i::Logger::TimerEventScope timer_scope(
-      isolate, i::Logger::TimerEventScope::v8_execute);
+  TimerEventScope<TimerEventExecute> timer_scope(isolate);
   i::HandleScope scope(isolate);
   i::Handle<i::JSObject> obj = Utils::OpenHandle(this);
   STATIC_ASSERT(sizeof(v8::Handle<v8::Value>) == sizeof(i::Object**));
   i::Handle<i::Object>* args = reinterpret_cast<i::Handle<i::Object>*>(argv);
   if (obj->IsJSFunction()) {
     i::Handle<i::JSFunction> fun = i::Handle<i::JSFunction>::cast(obj);
     EXCEPTION_PREAMBLE(isolate);
     i::Handle<i::Object> returned;
     has_pending_exception = !i::Execution::New(
         fun, argc, args).ToHandle(&returned);
@@ skipping 38 matching lines @@
 }
 
 
 Local<v8::Object> Function::NewInstance(int argc,
                                         v8::Handle<v8::Value> argv[]) const {
   i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
   ON_BAILOUT(isolate, "v8::Function::NewInstance()",
              return Local<v8::Object>());
   LOG_API(isolate, "Function::NewInstance");
   ENTER_V8(isolate);
-  i::Logger::TimerEventScope timer_scope(
-      isolate, i::Logger::TimerEventScope::v8_execute);
+  TimerEventScope<TimerEventExecute> timer_scope(isolate);
   EscapableHandleScope scope(reinterpret_cast<Isolate*>(isolate));
   i::Handle<i::JSFunction> function = Utils::OpenHandle(this);
   STATIC_ASSERT(sizeof(v8::Handle<v8::Value>) == sizeof(i::Object**));
   i::Handle<i::Object>* args = reinterpret_cast<i::Handle<i::Object>*>(argv);
   EXCEPTION_PREAMBLE(isolate);
   i::Handle<i::Object> returned;
   has_pending_exception = !i::Execution::New(
       function, argc, args).ToHandle(&returned);
   EXCEPTION_BAILOUT_CHECK_DO_CALLBACK(isolate, Local<v8::Object>());
   return scope.Escape(Utils::ToLocal(i::Handle<i::JSObject>::cast(returned)));
 }
 
 
 Local<v8::Value> Function::Call(v8::Handle<v8::Value> recv, int argc,
                                 v8::Handle<v8::Value> argv[]) {
   i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
   ON_BAILOUT(isolate, "v8::Function::Call()", return Local<v8::Value>());
   LOG_API(isolate, "Function::Call");
   ENTER_V8(isolate);
-  i::Logger::TimerEventScope timer_scope(
-      isolate, i::Logger::TimerEventScope::v8_execute);
+  TimerEventScope<TimerEventExecute> timer_scope(isolate);
   i::HandleScope scope(isolate);
   i::Handle<i::JSFunction> fun = Utils::OpenHandle(this);
   i::Handle<i::Object> recv_obj = Utils::OpenHandle(*recv);
   STATIC_ASSERT(sizeof(v8::Handle<v8::Value>) == sizeof(i::Object**));
   i::Handle<i::Object>* args = reinterpret_cast<i::Handle<i::Object>*>(argv);
   EXCEPTION_PREAMBLE(isolate);
   i::Handle<i::Object> returned;
   has_pending_exception = !i::Execution::Call(
       isolate, fun, recv_obj, argc, args, true).ToHandle(&returned);
   EXCEPTION_BAILOUT_CHECK_DO_CALLBACK(isolate, Local<Object>());
@@ skipping 3614 matching lines @@
   Isolate* isolate = reinterpret_cast<Isolate*>(info.GetIsolate());
   Address callback_address =
       reinterpret_cast<Address>(reinterpret_cast<intptr_t>(callback));
   VMState<EXTERNAL> state(isolate);
   ExternalCallbackScope call_scope(isolate, callback_address);
   callback(info);
 }
 
 
 } }  // namespace v8::internal