runtime/observatory_2/lib/src/models/objects/error.dart

// 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;

enum ErrorKind {
  /// The isolate has encountered an unhandled Dart exception.
  unhandledException,

  /// The isolate has encountered a Dart language error in the program.
  languageError,

  /// The isolate has encountered an internal error. These errors should be
  /// reported as bugs.
  internalError,

  /// The isolate has been terminated by an external source.
  terminationError
}

abstract class ErrorRef extends ObjectRef {
  ErrorKind get kind;
  String get message;
}

abstract class Error extends Object implements ErrorRef {}