Add breakOnCaughtException and breakOnUncaughtException flags

src/debug.cc

 // Copyright 2006-2008 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 1182 matching lines @@
 
 void Debug::ChangeBreakOnException(ExceptionBreakType type, bool enable) {
   if (type == BreakUncaughtException) {
     break_on_uncaught_exception_ = enable;
   } else {
     break_on_exception_ = enable;
   }
 }
 
 
+bool Debug::IsBreakOnException(ExceptionBreakType type) {
+  if (type == BreakUncaughtException) {
+    return break_on_uncaught_exception_;
+  } else {
+    return break_on_exception_;
+  }
+}
+
+
 void Debug::PrepareStep(StepAction step_action, int step_count) {
   HandleScope scope;
   ASSERT(Debug::InDebugger());
 
   // Remember this step action and count.
   thread_local_.last_step_action_ = step_action;
   if (step_action == StepOut) {
     // For step out target frame will be found on the stack so there is no need
     // to set step counter for it. It's expected to always be 0 for StepOut.
     thread_local_.step_count_ = 0;
@@ skipping 1834 matching lines @@
     {
       Locker locker;
       Debugger::CallMessageDispatchHandler();
     }
   }
 }
 
 #endif  // ENABLE_DEBUGGER_SUPPORT
 
 } }  // namespace v8::internal