| // 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/data_driven.dart'; |
| import 'package:analysis_server/src/services/correction/fix/data_driven/change.dart'; |
| import 'package:analyzer/dart/ast/ast.dart'; |
| import 'package:analyzer_plugin/utilities/change_builder/change_builder_dart.dart'; |
| import 'package:analyzer_plugin/utilities/range_factory.dart'; |
| |
| /// The data related to an element that has been renamed. |
| class Rename extends Change<_Data> { |
| /// The new name of the element. |
| final String newName; |
| |
| /// Initialize a newly created transform to describe a renaming of an element |
| /// to the [newName]. |
| Rename({required this.newName}); |
| |
| @override |
| void apply(DartFileEditBuilder builder, DataDrivenFix fix, _Data data) { |
| var nameNode = data.nameNode; |
| if (fix.element.isConstructor) { |
| var parent = nameNode?.parent; |
| if (parent is ConstructorName) { |
| if (nameNode != null && newName.isEmpty) { |
| // The constructor was renamed from a named constructor to an unnamed |
| // constructor. |
| builder.addDeletion(range.startEnd(parent.period!, parent)); |
| } else if (nameNode == null && newName.isNotEmpty) { |
| // The constructor was renamed from an unnamed constructor to a named |
| // constructor. |
| builder.addSimpleInsertion(parent.end, '.$newName'); |
| } else if (nameNode != null) { |
| // The constructor was renamed from a named constructor to another |
| // named constructor. |
| builder.addSimpleReplacement(range.node(nameNode), newName); |
| } |
| } else if (nameNode == null) { |
| return; |
| } else if (parent is MethodInvocation) { |
| if (newName.isEmpty) { |
| // The constructor was renamed from a named constructor to an unnamed |
| // constructor. |
| builder.addDeletion(range.startEnd(parent.operator!, nameNode)); |
| } else { |
| // The constructor was renamed from a named constructor to another |
| // named constructor. |
| builder.addSimpleReplacement(range.node(nameNode), newName); |
| } |
| } else if (parent is TypeName && parent.parent is ConstructorName) { |
| // The constructor was renamed from an unnamed constructor to a named |
| // constructor. |
| builder.addSimpleInsertion(parent.end, '.$newName'); |
| } else { |
| // The constructor was renamed from a named constructor to another named |
| // constructor. |
| builder.addSimpleReplacement(range.node(nameNode), newName); |
| } |
| } else if (nameNode != null) { |
| // The name is a simple identifier. |
| builder.addSimpleReplacement(range.node(nameNode), newName); |
| } |
| } |
| |
| @override |
| _Data? validate(DataDrivenFix fix) { |
| var node = fix.node; |
| if (node is SimpleIdentifier) { |
| var parent = node.parent; |
| var grandParent = parent?.parent; |
| if (parent is Label && grandParent is NamedExpression) { |
| var invocation = grandParent.parent?.parent; |
| if (invocation is InstanceCreationExpression) { |
| invocation.constructorName.name; |
| } else if (invocation is MethodInvocation) { |
| return _Data(invocation.methodName); |
| } |
| return null; |
| } |
| return _Data(node); |
| } else if (node is ConstructorName) { |
| return _Data(node.name); |
| } |
| return null; |
| } |
| } |
| |
| /// The data renaming a declaration. |
| class _Data { |
| final SimpleIdentifier? nameNode; |
| |
| _Data(this.nameNode); |
| } |