| // 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; |
| |
| /// The name of the argument that was being parsed when the error was |
| /// discovered. |
| final String? argumentName; |
| |
| ArgParserException(super.message, |
| [Iterable<String>? commands, |
| this.argumentName, |
| super.source, |
| super.offset]) |
| : commands = commands == null ? const [] : List.unmodifiable(commands); |
| } |
