| // Copyright (c) 2023, 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 'package:pub_semver/pub_semver.dart'; |
| |
| /// The instance of [_SinceSdkCache] that should be used in the analyzer. |
| final _SinceSdkCache sinceSdkCache = _SinceSdkCache(); |
| |
| class _SinceSdkCache { |
| final Map<String, Version> _map = {}; |
| |
| Version? parse(String versionStr) { |
| var result = _map[versionStr]; |
| if (result == null) { |
| try { |
| result = Version.parse('$versionStr.0'); |
| _map[versionStr] = result; |
| } on FormatException { |
| return null; |
| } |
| } |
| return result; |
| } |
| } |