| // Copyright (c) 2016, 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. | |
| part of models; | |
| abstract class ContextRef extends ObjectRef { | |
| /// The number of variables in this context. | |
| int? get length; | |
| } | |
| abstract class Context extends Object implements ContextRef { | |
| /// [optional] The enclosing context for this context. | |
| Context? get parentContext; | |
| // The variables in this context object. | |
| Iterable<ContextElement>? get variables; | |
| } | |
| abstract class ContextElement { | |
| Guarded<InstanceRef>? get value; | |
| } |