blob: 8e20c54befcaac6dbde38e45497aa6e7dd69ab61 [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/source/source_range.dart';
import 'package:analyzer_plugin/utilities/change_builder/change_builder_core.dart';
import 'package:analyzer_plugin/utilities/fixes/fixes.dart';
class AddRequiredKeyword extends CorrectionProducer {
@override
FixKind get fixKind => DartFixKind.ADD_REQUIRED2;
@override
Future<void> compute(ChangeBuilder builder) async {
await builder.addDartFileEdit(file, (builder) {
var insertOffset = node.parent.offset;
var parent = node.parent;
if (parent is FormalParameter) {
var metadata = parent.metadata;
// Check for redundant `@required` annotations.
if (metadata.isNotEmpty) {
for (var annotation in metadata) {
if (annotation.elementAnnotation.isRequired) {
var length = annotation.endToken.next.offset -
annotation.beginToken.offset;
builder.addDeletion(SourceRange(annotation.offset, length));
break;
}
}
insertOffset = metadata.endToken.next.offset;
}
}
builder.addSimpleInsertion(insertOffset, 'required ');
});
}
/// Return an instance of this class. Used as a tear-off in `FixProcessor`.
static AddRequiredKeyword newInstance() => AddRequiredKeyword();
}