blob: 20aeeb9755531cb5234547b6f7eef33d5aeb993d [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';
import 'package:analyzer_plugin/utilities/range_factory.dart';
class ReplaceWithNullAware extends CorrectionProducer {
@override
FixKind get fixKind => DartFixKind.REPLACE_WITH_NULL_AWARE;
@override
Future<void> compute(ChangeBuilder builder) async {
var node = coveredNode;
if (node is Expression) {
await builder.addDartFileEdit(file, (builder) {
var parent = node.parent;
while (parent != null) {
if (parent is MethodInvocation && parent.target == node) {
builder.addSimpleReplacement(range.token(parent.operator), '?.');
} else if (parent is PropertyAccess && parent.target == node) {
builder.addSimpleReplacement(range.token(parent.operator), '?.');
} else {
break;
}
node = parent;
parent = node.parent;
}
});
}
}
/// Return an instance of this class. Used as a tear-off in `FixProcessor`.
static ReplaceWithNullAware newInstance() => ReplaceWithNullAware();
}