| // Copyright (c) 2018, 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. |
| |
| import 'dart:async'; |
| |
| import 'package:analysis_server_client/listener/server_listener.dart'; |
| |
| /// [BadMessageListener] throws an exception if the [Client] receives bad data. |
| mixin BadMessageListener on ServerListener { |
| /// True if we've received bad data from the server. |
| bool _receivedBadDataFromServer = false; |
| |
| void throwDelayedException(String prefix, String details) { |
| if (!_receivedBadDataFromServer) { |
| _receivedBadDataFromServer = true; |
| // Give the server 1 second to continue outputting bad data |
| // such as outputting a stacktrace. |
| new Future.delayed(new Duration(seconds: 1), () { |
| throw '$prefix $details'; |
| }); |
| } |
| } |
| |
| @override |
| void badMessage(String trimmedLine, exception) { |
| super.badMessage(trimmedLine, exception); |
| throwDelayedException('JSON decode failure', '$exception'); |
| } |
| |
| @override |
| void errorMessage(String line) { |
| super.errorMessage(line); |
| throwDelayedException('ERR:', line); |
| } |
| |
| @override |
| void unexpectedMessage(Map<String, dynamic> message) { |
| super.unexpectedMessage(message); |
| throwDelayedException( |
| 'BAD DATA FROM SERVER:', 'Unexpected message from server'); |
| } |
| |
| @override |
| void unexpectedResponse(Map<String, dynamic> message, id) { |
| super.unexpectedResponse(message, id); |
| throw 'Unexpected response from server: id=$id'; |
| } |
| |
| @override |
| void unexpectedStop(int exitCode) { |
| super.unexpectedStop(exitCode); |
| throwDelayedException('Server terminated with exit code', '$exitCode'); |
| } |
| } |