|  | // Copyright 2015 The Chromium Authors. All rights reserved. | 
|  | // Use of this source code is governed by a BSD-style license that can be | 
|  | // found in the LICENSE file. | 
|  |  | 
|  | #ifndef TONIC_DART_ISOLATE_SCOPE_H_ | 
|  | #define TONIC_DART_ISOLATE_SCOPE_H_ | 
|  |  | 
|  | #include "base/logging.h" | 
|  | #include "dart/runtime/include/dart_api.h" | 
|  |  | 
|  | namespace tonic { | 
|  |  | 
|  | // DartIsolateScope is a helper class for entering and exiting a given isolate. | 
|  | class DartIsolateScope { | 
|  | public: | 
|  | explicit DartIsolateScope(Dart_Isolate isolate); | 
|  | ~DartIsolateScope(); | 
|  |  | 
|  | private: | 
|  | Dart_Isolate isolate_; | 
|  | Dart_Isolate previous_; | 
|  |  | 
|  | DISALLOW_COPY_AND_ASSIGN(DartIsolateScope); | 
|  | }; | 
|  |  | 
|  | }  // namespace tonic | 
|  |  | 
|  | #endif  // TONIC_DART_ISOLATE_SCOPE_H_ |