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1 // Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2011, 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 characters; | 5 library characters; |
6 | 6 |
7 const int $EOF = 0; | 7 const int $EOF = 0; |
8 const int $STX = 2; | 8 const int $STX = 2; |
9 const int $BS = 8; | 9 const int $BS = 8; |
10 const int $TAB = 9; | 10 const int $TAB = 9; |
11 const int $LF = 10; | 11 const int $LF = 10; |
12 const int $VTAB = 11; | 12 const int $VTAB = 11; |
13 const int $FF = 12; | 13 const int $FF = 12; |
14 const int $CR = 13; | 14 const int $CR = 13; |
15 const int $SPACE = 32; | 15 const int $SPACE = 32; |
16 const int $BANG = 33; | 16 const int $BANG = 33; |
17 const int $DQ = 34; | 17 const int $DQ = 34; |
18 const int $HASH = 35; | 18 const int $HASH = 35; |
19 const int $$ = 36; | 19 const int $$ = 36; |
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134 (value > $LAST_SURROGATE && value <= $LAST_CODE_POINT); | 134 (value > $LAST_SURROGATE && value <= $LAST_CODE_POINT); |
135 } | 135 } |
136 | 136 |
137 bool isUtf16LeadSurrogate(int value) { | 137 bool isUtf16LeadSurrogate(int value) { |
138 return value >= 0xd800 && value <= 0xdbff; | 138 return value >= 0xd800 && value <= 0xdbff; |
139 } | 139 } |
140 | 140 |
141 bool isUtf16TrailSurrogate(int value) { | 141 bool isUtf16TrailSurrogate(int value) { |
142 return value >= 0xdc00 && value <= 0xdfff; | 142 return value >= 0xdc00 && value <= 0xdfff; |
143 } | 143 } |
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