dart_isolate_scope.cc

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// Copyright 2013 The Flutter 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