Sigurd Meldgaard
65c4d768f1
Changes are reformatting and using the nullable list element operator. Change-Id: Iea1f4d2fcb06056f14804c8fe8b33c0b4d9037f2 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/477561 Commit-Queue: Sigurd Meldgaard <sigurdm@google.com> Reviewed-by: Daco Harkes <dacoharkes@google.com>
65 lines
2.0 KiB
Dart
65 lines
2.0 KiB
Dart
// Copyright (c) 2021, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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import 'dart:io';
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import 'package:path/path.dart' as path;
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import 'package:pub_semver/pub_semver.dart';
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import 'package:yaml/yaml.dart' as yaml;
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/// Synchronously searches starting from the current working directory
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/// for experimental_features.yaml, then caches it in this variable.
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final experimentalFeaturesYaml = () {
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var features = path.join('tools', 'experimental_features.yaml');
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var searchDir = '.';
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var root = path.canonicalize(path.separator);
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do {
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var tryPath = path.join(searchDir, features);
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if (File(path.join(searchDir, features)).existsSync()) {
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return tryPath;
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}
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searchDir = path.join(searchDir, '..');
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} while (path.canonicalize(searchDir) != root);
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throw 'experimental_features.yaml not found';
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}();
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/// The unexpired experiments from `experimental_features.yaml` that have an
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/// associated `validation` program. Can not use async here as that will
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/// break test_all.dart.
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List<Experiment> experimentsWithValidation() {
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final experiments = yaml.loadYaml(
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File(experimentalFeaturesYaml).readAsStringSync(),
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sourceUrl: path.toUri(experimentalFeaturesYaml),
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);
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return [
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for (final e in experiments['features'].entries)
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if (e.value['expired'] != true && e.value['validation'] != null)
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Experiment(
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e.key,
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e.value['validation'],
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tryParseVersion(e.value['enabledIn']),
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tryParseVersion(e.value['experimentalReleaseVersion']),
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),
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];
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}
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Version? tryParseVersion(String? version) =>
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version == null ? null : Version.parse(version);
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class Experiment {
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final String name;
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final String validation;
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final Version? enabledIn;
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final Version? experimentalReleaseVersion;
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Experiment(
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this.name,
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this.validation,
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this.enabledIn,
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this.experimentalReleaseVersion,
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);
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}
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