blob: a223381875ef04f320a77ec8170d402a3987f549 [file] [log] [blame]
// Copyright (c) 2020, 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:analysis_server/src/services/correction/dart/abstract_producer.dart';
import 'package:analysis_server/src/services/correction/fix.dart';
import 'package:analyzer/dart/ast/ast.dart';
import 'package:analyzer_plugin/utilities/change_builder/change_builder_core.dart';
import 'package:analyzer_plugin/utilities/fixes/fixes.dart';
class ExtendClassForMixin extends CorrectionProducer {
String _typeName;
@override
List<Object> get fixArguments => [_typeName];
@override
FixKind get fixKind => DartFixKind.EXTEND_CLASS_FOR_MIXIN;
@override
Future<void> compute(ChangeBuilder builder) async {
var declaration = node.thisOrAncestorOfType<ClassDeclaration>();
if (declaration != null && declaration.extendsClause == null) {
// TODO(brianwilkerson) Find a way to pass in the name of the class
// without needing to parse the message.
var message = diagnostic.problemMessage.message;
var endIndex = message.lastIndexOf("'");
var startIndex = message.lastIndexOf("'", endIndex - 1) + 1;
_typeName = message.substring(startIndex, endIndex);
await builder.addDartFileEdit(file, (builder) {
builder.addSimpleInsertion(
declaration.typeParameters?.end ?? declaration.name.end,
' extends $_typeName');
});
}
}
/// Return an instance of this class. Used as a tear-off in `FixProcessor`.
static ExtendClassForMixin newInstance() => ExtendClassForMixin();
}