Added a version of the v8::HandleScope constructor with an Isolate and use that consistently.

src/d8.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 75 matching lines @@
   V(buffer, "buffer") \
   V(byteLength, "byteLength") \
   V(byteOffset, "byteOffset") \
   V(BYTES_PER_ELEMENT, "BYTES_PER_ELEMENT")  \
   V(length, "length")
 
 
 class Symbols {
  public:
   explicit Symbols(Isolate* isolate) : isolate_(isolate) {
-    HandleScope scope;
+    HandleScope scope(isolate);
 #define INIT_SYMBOL(name, value) \
     name##_ = Persistent<String>::New(isolate, String::NewSymbol(value));
     FOR_EACH_SYMBOL(INIT_SYMBOL)
 #undef INIT_SYMBOL
     isolate->SetData(this);
   }
 
   ~Symbols() {
 #define DISPOSE_SYMBOL(name, value) name##_.Dispose(isolate_);
     FOR_EACH_SYMBOL(DISPOSE_SYMBOL)
@@ skipping 67 matching lines @@
 #endif  // V8_SHARED
 
 
 // Converts a V8 value to a C string.
 const char* Shell::ToCString(const v8::String::Utf8Value& value) {
   return *value ? *value : "<string conversion failed>";
 }
 
 
 // Executes a string within the current v8 context.
-bool Shell::ExecuteString(Handle<String> source,
+bool Shell::ExecuteString(Isolate* isolate,
+                          Handle<String> source,
                           Handle<Value> name,
                           bool print_result,
                           bool report_exceptions) {
 #if !defined(V8_SHARED) && defined(ENABLE_DEBUGGER_SUPPORT)
   bool FLAG_debugger = i::FLAG_debugger;
 #else
   bool FLAG_debugger = false;
 #endif  // !V8_SHARED && ENABLE_DEBUGGER_SUPPORT
-  HandleScope handle_scope;
+  HandleScope handle_scope(isolate);
   TryCatch try_catch;
   options.script_executed = true;
   if (FLAG_debugger) {
     // When debugging make exceptions appear to be uncaught.
     try_catch.SetVerbose(true);
   }
   Handle<Script> script = Script::Compile(source, name);
   if (script.IsEmpty()) {
     // Print errors that happened during compilation.
     if (report_exceptions && !FLAG_debugger)
-      ReportException(&try_catch);
+      ReportException(isolate, &try_catch);
     return false;
   } else {
     Handle<Value> result = script->Run();
     if (result.IsEmpty()) {
       ASSERT(try_catch.HasCaught());
       // Print errors that happened during execution.
       if (report_exceptions && !FLAG_debugger)
-        ReportException(&try_catch);
+        ReportException(isolate, &try_catch);
       return false;
     } else {
       ASSERT(!try_catch.HasCaught());
       if (print_result && !result->IsUndefined()) {
         // If all went well and the result wasn't undefined then print
         // the returned value.
         v8::String::Utf8Value str(result);
         size_t count = fwrite(*str, sizeof(**str), str.length(), stdout);
         (void) count;  // Silence GCC-4.5.x "unused result" warning.
         printf("\n");
       }
       return true;
     }
   }
 }
 
 
 Handle<Value> Shell::Print(const Arguments& args) {
   Handle<Value> val = Write(args);
   printf("\n");
   fflush(stdout);
   return val;
 }
 
 
 Handle<Value> Shell::Write(const Arguments& args) {
   for (int i = 0; i < args.Length(); i++) {
-    HandleScope handle_scope;
+    HandleScope handle_scope(args.GetIsolate());
     if (i != 0) {
       printf(" ");
     }
 
     // Explicitly catch potential exceptions in toString().
     v8::TryCatch try_catch;
     Handle<String> str_obj = args[i]->ToString();
     if (try_catch.HasCaught()) return try_catch.ReThrow();
 
     v8::String::Utf8Value str(str_obj);
@@ skipping 57 matching lines @@
       accumulator = String::Concat(accumulator, String::New(buffer, length-1));
     } else {
       return String::Concat(accumulator, String::New(buffer, length-1));
     }
   }
 }
 
 
 Handle<Value> Shell::Load(const Arguments& args) {
   for (int i = 0; i < args.Length(); i++) {
-    HandleScope handle_scope;
+    HandleScope handle_scope(args.GetIsolate());
     String::Utf8Value file(args[i]);
     if (*file == NULL) {
       return Throw("Error loading file");
     }
     Handle<String> source = ReadFile(args.GetIsolate(), *file);
     if (source.IsEmpty()) {
       return Throw("Error loading file");
     }
-    if (!ExecuteString(source, String::New(*file), false, true)) {
+    if (!ExecuteString(args.GetIsolate(),
+                       source,
+                       String::New(*file),
+                       false,
+                       true)) {
       return Throw("Error executing file");
     }
   }
   return Undefined(args.GetIsolate());
 }
 
 static int32_t convertToInt(Local<Value> value_in, TryCatch* try_catch) {
   if (value_in->IsInt32()) {
     return value_in->Int32Value();
   }
@@ skipping 482 matching lines @@
     }
   }
 
   return Undefined(args.GetIsolate());
 }
 
 
 void Shell::ExternalArrayWeakCallback(v8::Isolate* isolate,
                                       Persistent<Value> object,
                                       void* data) {
-  HandleScope scope;
+  HandleScope scope(isolate);
   int32_t length =
       object->ToObject()->Get(Symbols::byteLength(isolate))->Uint32Value();
   isolate->AdjustAmountOfExternalAllocatedMemory(-length);
   delete[] static_cast<uint8_t*>(data);
   object.Dispose(isolate);
 }
 
 
 Handle<Value> Shell::Int8Array(const Arguments& args) {
   return CreateExternalArray(args, v8::kExternalByteArray, sizeof(int8_t));
@@ skipping 55 matching lines @@
   exit(exit_code);
   return Undefined(args.GetIsolate());
 }
 
 
 Handle<Value> Shell::Version(const Arguments& args) {
   return String::New(V8::GetVersion());
 }
 
 
-void Shell::ReportException(v8::TryCatch* try_catch) {
-  HandleScope handle_scope;
+void Shell::ReportException(Isolate* isolate, v8::TryCatch* try_catch) {
+  HandleScope handle_scope(isolate);
 #if !defined(V8_SHARED) && defined(ENABLE_DEBUGGER_SUPPORT)
   bool enter_context = !Context::InContext();
   if (enter_context) utility_context_->Enter();
 #endif  // !V8_SHARED && ENABLE_DEBUGGER_SUPPORT
   v8::String::Utf8Value exception(try_catch->Exception());
   const char* exception_string = ToCString(exception);
   Handle<Message> message = try_catch->Message();
   if (message.IsEmpty()) {
     // V8 didn't provide any extra information about this error; just
     // print the exception.
@@ skipping 25 matching lines @@
     }
   }
   printf("\n");
 #if !defined(V8_SHARED) && defined(ENABLE_DEBUGGER_SUPPORT)
   if (enter_context) utility_context_->Exit();
 #endif  // !V8_SHARED && ENABLE_DEBUGGER_SUPPORT
 }
 
 
 #ifndef V8_SHARED
-Handle<Array> Shell::GetCompletions(Handle<String> text, Handle<String> full) {
-  HandleScope handle_scope;
+Handle<Array> Shell::GetCompletions(Isolate* isolate,
+                                    Handle<String> text,
+                                    Handle<String> full) {
+  HandleScope handle_scope(isolate);
   Context::Scope context_scope(utility_context_);
   Handle<Object> global = utility_context_->Global();
   Handle<Value> fun = global->Get(String::New("GetCompletions"));
   static const int kArgc = 3;
   Handle<Value> argv[kArgc] = { evaluation_context_->Global(), text, full };
   Handle<Value> val = Handle<Function>::Cast(fun)->Call(global, kArgc, argv);
   return handle_scope.Close(Handle<Array>::Cast(val));
 }
 
 
@@ skipping 122 matching lines @@
 
 
 void Shell::AddHistogramSample(void* histogram, int sample) {
   Counter* counter = reinterpret_cast<Counter*>(histogram);
   counter->AddSample(sample);
 }
 
 
 void Shell::InstallUtilityScript(Isolate* isolate) {
   Locker lock(isolate);
-  HandleScope scope;
+  HandleScope scope(isolate);
   // If we use the utility context, we have to set the security tokens so that
   // utility, evaluation and debug context can all access each other.
   utility_context_->SetSecurityToken(Undefined(isolate));
   evaluation_context_->SetSecurityToken(Undefined(isolate));
   Context::Scope utility_scope(utility_context_);
 
 #ifdef ENABLE_DEBUGGER_SUPPORT
   if (i::FLAG_debugger) printf("JavaScript debugger enabled\n");
   // Install the debugger object in the utility scope
   i::Debug* debug = i::Isolate::Current()->debug();
@@ skipping 157 matching lines @@
     V8::SetAddHistogramSampleFunction(AddHistogramSample);
   }
 #endif  // V8_SHARED
 }
 
 
 void Shell::InitializeDebugger(Isolate* isolate) {
   if (options.test_shell) return;
 #ifndef V8_SHARED
   Locker lock(isolate);
-  HandleScope scope;
+  HandleScope scope(isolate);
   Handle<ObjectTemplate> global_template = CreateGlobalTemplate(isolate);
   utility_context_ = Context::New(NULL, global_template);
 
 #ifdef ENABLE_DEBUGGER_SUPPORT
   // Start the debugger agent if requested.
   if (i::FLAG_debugger_agent) {
     v8::Debug::EnableAgent("d8 shell", i::FLAG_debugger_port, true);
     v8::Debug::SetDebugMessageDispatchHandler(DispatchDebugMessages, true);
   }
 #endif  // ENABLE_DEBUGGER_SUPPORT
@@ skipping 200 matching lines @@
   if (chars == NULL) return Handle<String>();
   Handle<String> result = String::New(chars, size);
   delete[] chars;
   return result;
 }
 
 
 void Shell::RunShell(Isolate* isolate) {
   Locker locker(isolate);
   Context::Scope context_scope(evaluation_context_);
-  HandleScope outer_scope;
+  HandleScope outer_scope(isolate);
   Handle<String> name = String::New("(d8)");
   LineEditor* console = LineEditor::Get();
   printf("V8 version %s [console: %s]\n", V8::GetVersion(), console->name());
   console->Open(isolate);
   while (true) {
-    HandleScope inner_scope;
+    HandleScope inner_scope(isolate);
     Handle<String> input = console->Prompt(Shell::kPrompt);
     if (input.IsEmpty()) break;
-    ExecuteString(input, name, true, true);
+    ExecuteString(isolate, input, name, true, true);
   }
   printf("\n");
 }
 
 
 #ifndef V8_SHARED
 class ShellThread : public i::Thread {
  public:
   // Takes ownership of the underlying char array of |files|.
   ShellThread(Isolate* isolate, char* files)
@@ skipping 18 matching lines @@
     char* next_line = ReadLine(ptr);
 
     if (*ptr == '#') {
       // Skip comment lines.
       ptr = next_line;
       continue;
     }
 
     // Prepare the context for this thread.
     Locker locker(isolate_);
-    HandleScope outer_scope;
+    HandleScope outer_scope(isolate_);
     Persistent<Context> thread_context =
         Shell::CreateEvaluationContext(isolate_);
     Context::Scope context_scope(thread_context);
 
     while ((ptr != NULL) && (*ptr != '\0')) {
-      HandleScope inner_scope;
+      HandleScope inner_scope(isolate_);
       char* filename = ptr;
       ptr = ReadWord(ptr);
 
       // Skip empty strings.
       if (strlen(filename) == 0) {
         continue;
       }
 
       Handle<String> str = Shell::ReadFile(isolate_, filename);
       if (str.IsEmpty()) {
         printf("File '%s' not found\n", filename);
         Shell::Exit(1);
       }
 
-      Shell::ExecuteString(str, String::New(filename), false, false);
+      Shell::ExecuteString(isolate_, str, String::New(filename), false, false);
     }
 
     thread_context.Dispose(thread_context->GetIsolate());
     ptr = next_line;
   }
 }
 #endif  // V8_SHARED
 
 
 SourceGroup::~SourceGroup() {
 #ifndef V8_SHARED
   delete next_semaphore_;
   next_semaphore_ = NULL;
   delete done_semaphore_;
   done_semaphore_ = NULL;
   delete thread_;
   thread_ = NULL;
 #endif  // V8_SHARED
 }
 
 
 void SourceGroup::Execute(Isolate* isolate) {
   for (int i = begin_offset_; i < end_offset_; ++i) {
     const char* arg = argv_[i];
     if (strcmp(arg, "-e") == 0 && i + 1 < end_offset_) {
       // Execute argument given to -e option directly.
-      HandleScope handle_scope;
+      HandleScope handle_scope(isolate);
       Handle<String> file_name = String::New("unnamed");
       Handle<String> source = String::New(argv_[i + 1]);
-      if (!Shell::ExecuteString(source, file_name, false, true)) {
+      if (!Shell::ExecuteString(isolate, source, file_name, false, true)) {
         Shell::Exit(1);
       }
       ++i;
     } else if (arg[0] == '-') {
       // Ignore other options. They have been parsed already.
     } else {
       // Use all other arguments as names of files to load and run.
-      HandleScope handle_scope;
+      HandleScope handle_scope(isolate);
       Handle<String> file_name = String::New(arg);
       Handle<String> source = ReadFile(isolate, arg);
       if (source.IsEmpty()) {
         printf("Error reading '%s'\n", arg);
         Shell::Exit(1);
       }
-      if (!Shell::ExecuteString(source, file_name, false, true)) {
+      if (!Shell::ExecuteString(isolate, source, file_name, false, true)) {
         Shell::Exit(1);
       }
     }
   }
 }
 
 
 Handle<String> SourceGroup::ReadFile(Isolate* isolate, const char* name) {
   int size;
   char* chars = ReadChars(isolate, name, &size);
@@ skipping 14 matching lines @@
 }
 
 
 void SourceGroup::ExecuteInThread() {
   Isolate* isolate = Isolate::New();
   do {
     if (next_semaphore_ != NULL) next_semaphore_->Wait();
     {
       Isolate::Scope iscope(isolate);
       Locker lock(isolate);
-      HandleScope scope;
+      HandleScope scope(isolate);
       Symbols symbols(isolate);
       Persistent<Context> context = Shell::CreateEvaluationContext(isolate);
       {
         Context::Scope cscope(context);
         Execute(isolate);
       }
       context.Dispose(isolate);
       if (Shell::options.send_idle_notification) {
         const int kLongIdlePauseInMs = 1000;
         V8::ContextDisposedNotification();
@@ skipping 177 matching lines @@
       thread->Start();
       threads.Add(thread);
     }
   }
   for (int i = 1; i < options.num_isolates; ++i) {
     options.isolate_sources[i].StartExecuteInThread();
   }
 #endif  // V8_SHARED
   {  // NOLINT
     Locker lock(isolate);
-    HandleScope scope;
+    HandleScope scope(isolate);
     Persistent<Context> context = CreateEvaluationContext(isolate);
     if (options.last_run) {
       // Keep using the same context in the interactive shell.
       evaluation_context_ = context;
 #if !defined(V8_SHARED) && defined(ENABLE_DEBUGGER_SUPPORT)
       // If the interactive debugger is enabled make sure to activate
       // it before running the files passed on the command line.
       if (i::FLAG_debugger) {
         InstallUtilityScript(isolate);
       }
@@ skipping 75 matching lines @@
 #endif
     } else {
       result = RunMain(isolate, argc, argv);
     }
 
 
 #if !defined(V8_SHARED) && defined(ENABLE_DEBUGGER_SUPPORT)
     // Run remote debugger if requested, but never on --test
     if (i::FLAG_remote_debugger && !options.test_shell) {
       InstallUtilityScript(isolate);
-      RunRemoteDebugger(i::FLAG_debugger_port);
+      RunRemoteDebugger(isolate, i::FLAG_debugger_port);
       return 0;
     }
 #endif  // !V8_SHARED && ENABLE_DEBUGGER_SUPPORT
 
     // Run interactive shell if explicitly requested or if no script has been
     // executed, but never on --test
 
     if (( options.interactive_shell || !options.script_executed )
         && !options.test_shell ) {
 #if !defined(V8_SHARED) && defined(ENABLE_DEBUGGER_SUPPORT)
@@ skipping 12 matching lines @@
 }
 
 }  // namespace v8
 
 
 #ifndef GOOGLE3
 int main(int argc, char* argv[]) {
   return v8::Shell::Main(argc, argv);
 }
 #endif