Debugger break on TypeError, AssertionError

runtime/vm/exceptions.cc

 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/exceptions.h"
 
 #include "vm/cpu.h"
 #include "vm/dart_entry.h"
+#include "vm/debugger.h"
 #include "vm/flags.h"
 #include "vm/object.h"
 #include "vm/stack_frame.h"
 
 namespace dart {
 
 DEFINE_FLAG(bool, print_stack_trace_at_throw, false,
     "Prints a stack trace everytime a throw occurs.");
 
 // Iterate through the stack frames and try to find a frame with an
@@ skipping 217 matching lines @@
                 String::Handle(script.url()).ToCString(),
                 line, column);
     }
   }
   // Throw TypeError instance.
   Exceptions::Throw(type_error);
   UNREACHABLE();
 }
 
 
 void Exceptions::Throw(const Instance& exception) {

[siva, 2012/06/08 17:17:27]

Isolate* isolate = Isolate::Current();
if (isolate-debugger()....) {
.....
}

[hausner, 2012/06/08 17:42:35]

Done.

+  if (Isolate::Current()->debugger()->IsActive()) {
+    Isolate::Current()->debugger()->SignalExceptionThrown(exception);
+  }
   // Null object is a valid exception object.
   ThrowExceptionHelper(exception, Instance::Handle());

[siva, 2012/06/08 17:17:27]

Instance::Handle(isolate);

[hausner, 2012/06/08 17:42:35]

Done.

 }
 
 
 void Exceptions::ReThrow(const Instance& exception,
                          const Instance& stacktrace) {
   // Null object is a valid exception object.
   ThrowExceptionHelper(exception, stacktrace);
 }
 
 
@@ skipping 97 matching lines @@
     case kIsolateSpawn:
       library = Library::IsolateLibrary();
       class_name = String::NewSymbol("IsolateSpawnException");
       break;
   }
 
   return DartLibraryCalls::ExceptionCreate(library, class_name, arguments);
 }
 
 }  // namespace dart