| // Copyright (c) 2014, 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. |
| |
| library analyzer.src.dart.element.utilities; |
| |
| import 'dart:collection'; |
| |
| import 'package:analyzer/dart/element/element.dart'; |
| import 'package:analyzer/dart/element/visitor.dart'; |
| |
| /** |
| * A visitor that can be used to collect all of the non-synthetic elements in an |
| * element model. |
| */ |
| class ElementGatherer extends GeneralizingElementVisitor { |
| /** |
| * The set in which the elements are collected. |
| */ |
| final Set<Element> elements = new HashSet<Element>(); |
| |
| /** |
| * Initialize the visitor. |
| */ |
| ElementGatherer(); |
| |
| @override |
| void visitElement(Element element) { |
| if (!element.isSynthetic) { |
| elements.add(element); |
| } |
| super.visitElement(element); |
| } |
| } |