Brian Wilkerson
9c7064e96e
Change-Id: Ifc68d638d082d73495cd5184ea1270c2551d588d Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/180382 Auto-Submit: Brian Wilkerson <brianwilkerson@google.com> Commit-Queue: Konstantin Shcheglov <scheglov@google.com> Reviewed-by: Konstantin Shcheglov <scheglov@google.com>
55 lines
2.4 KiB
Dart
55 lines
2.4 KiB
Dart
// Copyright (c) 2017, 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 'package:analyzer/src/dart/analysis/driver.dart';
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import 'package:analyzer_plugin/plugin/plugin.dart';
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import 'package:analyzer_plugin/protocol/protocol.dart';
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import 'package:analyzer_plugin/src/utilities/folding/folding.dart';
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import 'package:analyzer_plugin/utilities/folding/folding.dart';
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/// A mixin that can be used when creating a subclass of [ServerPlugin] and
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/// mixing in [FoldingMixin]. This implements the creation of the folding
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/// request based on the assumption that the driver being created is an
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/// [AnalysisDriver].
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///
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/// Clients may not implement this mixin, but are allowed to use it as a mix-in
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/// when creating a subclass of [ServerPlugin] that also uses [FoldingMixin] as a
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/// mix-in.
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mixin DartFoldingMixin implements FoldingMixin {
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@override
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Future<FoldingRequest> getFoldingRequest(String path) async {
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var result = await getResolvedUnitResult(path);
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return DartFoldingRequestImpl(resourceProvider, result);
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}
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}
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/// A mixin that can be used when creating a subclass of [ServerPlugin] to
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/// provide most of the implementation for producing folding notifications.
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///
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/// Clients may not implement this mixin, but are allowed to use it as a mix-in
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/// when creating a subclass of [ServerPlugin].
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mixin FoldingMixin implements ServerPlugin {
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/// Return a list containing the folding contributors that should be used
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/// to create folding regions for the file with the given [path].
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List<FoldingContributor> getFoldingContributors(String path);
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/// Return the folding request that should be passes to the contributors
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/// returned from [getFoldingContributors].
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///
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/// Throw a [RequestFailure] if the request could not be created.
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Future<FoldingRequest> getFoldingRequest(String path);
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@override
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Future<void> sendFoldingNotification(String path) async {
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try {
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var request = await getFoldingRequest(path);
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var generator = FoldingGenerator(getFoldingContributors(path));
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var generatorResult = generator.generateFoldingNotification(request);
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generatorResult.sendNotifications(channel);
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} on RequestFailure {
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// If we couldn't analyze the file, then don't send a notification.
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}
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}
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}
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