| // 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. |
| |
| /// An exception thrown by `ArgParser`. |
| class ArgParserException extends FormatException { |
| /// The command(s) that were parsed before discovering the error. |
| /// |
| /// This will be empty if the error was on the root parser. |
| final List<String> commands; |
| |
| ArgParserException(String message, [Iterable<String> commands]) |
| : commands = |
| commands == null ? const [] : new List.unmodifiable(commands), |
| super(message); |
| } |