blob: 276549b37725b13e7bfedb4aa3091e305f476795 [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:_fe_analyzer_shared/src/scanner/token.dart';
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/dart/element/element.dart';
import 'package:analyzer/src/dart/ast/utilities.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 MakeVariableNotFinal extends CorrectionProducer {
String _variableName;
@override
List<Object> get fixArguments => [_variableName];
@override
FixKind get fixKind => DartFixKind.MAKE_VARIABLE_NOT_FINAL;
@override
Future<void> compute(ChangeBuilder builder) async {
var node = this.node;
if (node is SimpleIdentifier &&
node.staticElement is LocalVariableElement) {
LocalVariableElement variable = node.staticElement;
var id = NodeLocator(variable.nameOffset).searchWithin(unit);
var decl = id?.parent;
if (decl is VariableDeclaration &&
decl.parent is VariableDeclarationList) {
VariableDeclarationList declarationList = decl.parent;
var keywordToken = declarationList.keyword;
if (declarationList.variables.length == 1 &&
keywordToken.keyword == Keyword.FINAL) {
await builder.addDartFileEdit(file, (builder) {
if (declarationList.type != null) {
builder.addDeletion(
range.startStart(keywordToken, declarationList.type));
} else {
builder.addSimpleReplacement(range.token(keywordToken), 'var');
}
});
declarationList.variables[0].name.name;
_variableName = declarationList.variables[0].name.name;
}
}
}
}
/// Return an instance of this class. Used as a tear-off in `FixProcessor`.
static MakeVariableNotFinal newInstance() => MakeVariableNotFinal();
}