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| 1 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file | 1 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file | 
| 2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a | 
| 3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. | 
| 4 | 4 | 
| 5 library tree; | 5 library tree; | 
| 6 | 6 | 
| 7 import 'dart:math'; | 7 import 'dart:math'; | 
|  | 8 import 'dart:collection'; | 
| 8 | 9 | 
| 9 import '../scanner/scannerlib.dart'; | 10 import '../scanner/scannerlib.dart'; | 
| 10 import '../util/util.dart'; | 11 import '../util/util.dart'; | 
| 11 import '../util/characters.dart'; | 12 import '../util/characters.dart'; | 
| 12 | 13 | 
| 13 import '../resolution/secret_tree_element.dart' show TreeElementMixin; | 14 import '../resolution/secret_tree_element.dart' show TreeElementMixin; | 
| 14 | 15 | 
| 15 part 'dartstring.dart'; | 16 part 'dartstring.dart'; | 
| 16 part 'nodes.dart'; | 17 part 'nodes.dart'; | 
| 17 part 'prettyprint.dart'; | 18 part 'prettyprint.dart'; | 
| 18 part 'unparser.dart'; | 19 part 'unparser.dart'; | 
| 19 part 'visitors.dart'; | 20 part 'visitors.dart'; | 
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