| // Copyright (c) 2017, 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:analyzer/error/error.dart'; |
| import 'package:analyzer/src/generated/java_core.dart'; |
| import 'package:analyzer_plugin/protocol/protocol_generated.dart'; |
| import 'package:analyzer_plugin/utilities/change_builder/change_builder_core.dart'; |
| import 'package:analyzer_plugin/utilities/fixes/fixes.dart'; |
| |
| /// A partial implementation of a [FixContributor] that iterates over the list of |
| /// errors and provides a utility method to make it easier to add fixes. |
| /// |
| /// Clients may not extend or implement this class, but are allowed to use it as |
| /// a mix-in when creating a subclass of [FixContributor]. |
| abstract class FixContributorMixin implements FixContributor { |
| /// The request that specifies the fixes that are to be built. |
| DartFixesRequest request; |
| |
| /// The collector to which fixes should be added. |
| FixCollector collector; |
| |
| /// Add a fix for the given [error]. Use the [kind] of the fix to get the |
| /// message and priority, and use the change [builder] to get the edits that |
| /// comprise the fix. If the message has parameters, then use the list of |
| /// [args] to populate the message. |
| void addFix(AnalysisError error, FixKind kind, ChangeBuilder builder, |
| {List<Object> args}) { |
| var change = builder.sourceChange; |
| if (change.edits.isEmpty) { |
| return; |
| } |
| change.message = formatList(kind.message, args); |
| collector.addFix( |
| error, PrioritizedSourceChange(kind.priority, builder.sourceChange)); |
| } |
| |
| @override |
| void computeFixes(DartFixesRequest request, FixCollector collector) { |
| this.request = request; |
| this.collector = collector; |
| try { |
| for (var error in request.errorsToFix) { |
| computeFixesForError(error); |
| } |
| } finally { |
| this.request = null; |
| this.collector = null; |
| } |
| } |
| |
| /// Compute the fixes that are appropriate for the given [error] and add them |
| /// to the fix [collector]. |
| void computeFixesForError(AnalysisError error); |
| } |