Brian Wilkerson
c53bc9f628
R=scheglov@google.com Review-Url: https://codereview.chromium.org/3008433002 .
70 lines
2.7 KiB
Dart
70 lines
2.7 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 'dart:async';
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import 'package:analyzer/dart/analysis/results.dart';
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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/protocol/protocol_generated.dart';
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import 'package:analyzer_plugin/src/utilities/assist/assist.dart';
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import 'package:analyzer_plugin/utilities/assist/assist.dart';
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import 'package:analyzer_plugin/utilities/generator.dart';
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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 handling assist requests.
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*
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* Clients may not extend or implement this class, but are allowed to use it as
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* a mix-in when creating a subclass of [ServerPlugin].
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*/
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abstract class AssistsMixin implements ServerPlugin {
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/**
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* Return a list containing the assist contributors that should be used to
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* create assists for the file with the given [path].
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*/
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List<AssistContributor> getAssistContributors(String path);
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/**
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* Return the assist request that should be passes to the contributors
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* returned from [getAssistContributors].
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*
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* Throw a [RequestFailure] if the request could not be created.
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*/
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Future<AssistRequest> getAssistRequest(EditGetAssistsParams parameters);
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@override
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Future<EditGetAssistsResult> handleEditGetAssists(
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EditGetAssistsParams parameters) async {
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String path = parameters.file;
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AssistRequest request = await getAssistRequest(parameters);
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AssistGenerator generator =
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new AssistGenerator(getAssistContributors(path));
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GeneratorResult result = await generator.generateAssistsResponse(request);
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result.sendNotifications(channel);
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return result.result;
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}
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}
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/**
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* A mixin that can be used when creating a subclass of [ServerPlugin] and
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* mixing in [AssistsMixin]. This implements the creation of the assists request
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* based on the assumption that the driver being created is an [AnalysisDriver].
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*
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* Clients may not extend or implement this class, but are allowed to use it as
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* a mix-in when creating a subclass of [ServerPlugin] that also uses
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* [AssistsMixin] as a mix-in.
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*/
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abstract class DartAssistsMixin implements AssistsMixin {
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@override
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Future<AssistRequest> getAssistRequest(
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EditGetAssistsParams parameters) async {
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String path = parameters.file;
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ResolveResult result = await getResolveResult(path);
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return new DartAssistRequestImpl(
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resourceProvider, parameters.offset, parameters.length, result);
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}
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}
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