blob: 009e950f2175a5675a55dcd5ab6395f4c4092ebe [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 RemoveUnnecessaryCast extends CorrectionProducer {
@override
FixKind get fixKind => DartFixKind.REMOVE_UNNECESSARY_CAST;
@override
Future<void> compute(ChangeBuilder builder) async {
if (coveredNode is! AsExpression) {
return;
}
var asExpression = coveredNode as AsExpression;
var expression = asExpression.expression;
// remove 'as T' from 'e as T'
await builder.addDartFileEdit(file, (builder) {
builder.addDeletion(range.endEnd(expression, asExpression));
builder.removeEnclosingParentheses(asExpression);
});
}
/// Return an instance of this class. Used as a tear-off in `FixProcessor`.
static RemoveUnnecessaryCast newInstance() => RemoveUnnecessaryCast();
}