| // Copyright 2016 The Fuchsia Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "tonic/scopes/dart_isolate_scope.h" |
| |
| namespace tonic { |
| |
| DartIsolateScope::DartIsolateScope(Dart_Isolate isolate) { |
| isolate_ = isolate; |
| previous_ = Dart_CurrentIsolate(); |
| if (previous_ == isolate_) |
| return; |
| if (previous_) |
| Dart_ExitIsolate(); |
| Dart_EnterIsolate(isolate_); |
| } |
| |
| DartIsolateScope::~DartIsolateScope() { |
| Dart_Isolate current = Dart_CurrentIsolate(); |
| TONIC_DCHECK(!current || current == isolate_); |
| if (previous_ == isolate_) |
| return; |
| if (current) |
| Dart_ExitIsolate(); |
| if (previous_) |
| Dart_EnterIsolate(previous_); |
| } |
| |
| } // namespace tonic |
