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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 // Check the validity of string literals. | 5 // Check the validity of string literals. |
6 | 6 |
7 library stringvalidator; | 7 library stringvalidator; |
8 | 8 |
9 import "dart:collection"; | 9 import 'dart:collection'; |
10 | 10 |
11 import "dart2jslib.dart"; | 11 import 'diagnostic_listener.dart'; |
12 import "tree/tree.dart"; | 12 import 'messages.dart' show MessageKind; |
13 import "util/characters.dart"; | 13 import 'scanner/scannerlib.dart' show Token; |
14 import "scanner/scannerlib.dart" show Token; | 14 import 'tree/tree.dart'; |
| 15 import 'util/characters.dart'; |
15 | 16 |
16 class StringValidator { | 17 class StringValidator { |
17 final DiagnosticListener listener; | 18 final DiagnosticListener listener; |
18 | 19 |
19 StringValidator(this.listener); | 20 StringValidator(this.listener); |
20 | 21 |
21 DartString validateInterpolationPart(Token token, StringQuoting quoting, | 22 DartString validateInterpolationPart(Token token, StringQuoting quoting, |
22 {bool isFirst: false, | 23 {bool isFirst: false, |
23 bool isLast: false}) { | 24 bool isLast: false}) { |
24 String source = token.value; | 25 String source = token.value; |
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224 return null; | 225 return null; |
225 } | 226 } |
226 // String literal successfully validated. | 227 // String literal successfully validated. |
227 if (quoting.raw || !containsEscape) { | 228 if (quoting.raw || !containsEscape) { |
228 // A string without escapes could just as well have been raw. | 229 // A string without escapes could just as well have been raw. |
229 return new DartString.rawString(string, length); | 230 return new DartString.rawString(string, length); |
230 } | 231 } |
231 return new DartString.escapedString(string, length); | 232 return new DartString.escapedString(string, length); |
232 } | 233 } |
233 } | 234 } |
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