Fix remote debugger crash.

src/d8-debug.cc

 // Copyright 2011 the V8 project authors. All rights reserved.

[Jakob Kummerow, 2012/01/19 16:23:13]

nit: 2012

 // 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
 //       with the distribution.
@@ skipping 140 matching lines @@
     String::Utf8Value text_str(response_details->Get(String::New("text")));
     if (text_str.length() > 0) {
       printf("%s\n", *text_str);
     }
     running =
         response_details->Get(String::New("running"))->ToBoolean()->Value();
   }
 }
 
 
-void RunRemoteDebugger(int port) {
-  RemoteDebugger debugger(port);
+void RunRemoteDebugger(int port, Handle<Context> context) {
+  RemoteDebugger debugger(port, context);
   debugger.Run();
 }
 
 
 void RemoteDebugger::Run() {
   bool ok;
 
   // Make sure that socket support is initialized.
   ok = i::Socket::SetUp();
   if (!ok) {
@@ skipping 93 matching lines @@
   if (head_ == NULL) {
     ASSERT(tail_ == result);
     tail_ = NULL;
   }
   return result;
 }
 
 
 void RemoteDebugger::HandleMessageReceived(char* message) {
   Locker lock;
+  Context::Scope cscope(context_);
   HandleScope scope;
 
   // Print the event details.
   TryCatch try_catch;
   Handle<Object> details =
       Shell::DebugMessageDetails(Handle<String>::Cast(String::New(message)));
   if (try_catch.HasCaught()) {
     Shell::ReportException(&try_catch);
     PrintPrompt();
     return;
   }
   String::Utf8Value str(details->Get(String::New("text")));
   if (str.length() == 0) {
     // Empty string is used to signal not to process this event.
     return;
   }
   if (*str != NULL) {
     printf("%s\n", *str);
   } else {
     printf("???\n");
   }
 
   bool is_running = details->Get(String::New("running"))->ToBoolean()->Value();
   PrintPrompt(is_running);
 }
 
 
 void RemoteDebugger::HandleKeyboardCommand(char* command) {
   Locker lock;
+  Context::Scope cscope(context_);
   HandleScope scope;
 
   // Convert the debugger command to a JSON debugger request.
   TryCatch try_catch;
   Handle<Value> request =
       Shell::DebugCommandToJSONRequest(String::New(command));
   if (try_catch.HasCaught()) {
     v8::String::Utf8Value exception(try_catch.Exception());
     const char* exception_string = Shell::ToCString(exception);
     printf("%s\n", exception_string);
@@ skipping 47 matching lines @@
     // Pass the keyboard command to the main thread.
     remote_debugger_->KeyboardCommand(
         i::SmartArrayPointer<char>(i::StrDup(command)));
   }
 }
 
 
 }  // namespace v8
 
 #endif  // ENABLE_DEBUGGER_SUPPORT