First bits of external debugger API

runtime/vm/dart_api_impl.h

 // 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.
 
 #ifndef VM_DART_API_IMPL_H_
 #define VM_DART_API_IMPL_H_
 
 #include "vm/allocation.h"
 #include "vm/object.h"
 
@@ skipping 44 matching lines @@
   ASSERT(__temp_isolate__ != NULL);                                           \
   Zone zone(__temp_isolate__);                                                \
   HANDLESCOPE(__temp_isolate__);
 
 #define DARTSCOPE(isolate)                                                    \
   Isolate* __temp_isolate__ = (isolate);                                      \
   CHECK_ISOLATE_SCOPE(__temp_isolate__);                                      \
   Zone zone(__temp_isolate__);                                                \
   HANDLESCOPE(__temp_isolate__);
 
+
+const char* CheckIsolateState(Isolate *isolate,
+                              bool generating_snapshot = false);
+
+void SetupErrorResult(Dart_Handle* handle);
+
+
 class Api : AllStatic {
  public:
   // Creates a new local handle.
   static Dart_Handle NewLocalHandle(const Object& object);
 
   // Unwraps the raw object from the handle.
   static RawObject* UnwrapHandle(Dart_Handle object);
 
   // Unwraps a raw Type from the handle.  The handle will be null if
   // the object was not of the requested Type.
@@ skipping 37 matching lines @@
   // Allocates space in the local zone.
   static uword Allocate(intptr_t size);
 
   // Reallocates space in the local zone.
   static uword Reallocate(uword ptr, intptr_t old_size, intptr_t new_size);
 };
 
 }  // namespace dart.
 
 #endif  // VM_DART_API_IMPL_H_