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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 final int EOF_TOKEN = 0; | 5 final int EOF_TOKEN = 0; |
6 | 6 |
7 final int KEYWORD_TOKEN = $k; | 7 final int KEYWORD_TOKEN = $k; |
8 final int IDENTIFIER_TOKEN = $a; | 8 final int IDENTIFIER_TOKEN = $a; |
9 final int DOUBLE_TOKEN = $d; | 9 final int DOUBLE_TOKEN = $d; |
10 final int INT_TOKEN = $i; | 10 final int INT_TOKEN = $i; |
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241 | 241 |
242 // TODO(ahe): The following are not tokens in Dart. | 242 // TODO(ahe): The following are not tokens in Dart. |
243 final PrecedenceInfo BACKPING_INFO = | 243 final PrecedenceInfo BACKPING_INFO = |
244 const PrecedenceInfo(const SourceString('`'), 0, BACKPING_TOKEN); | 244 const PrecedenceInfo(const SourceString('`'), 0, BACKPING_TOKEN); |
245 final PrecedenceInfo BACKSLASH_INFO = | 245 final PrecedenceInfo BACKSLASH_INFO = |
246 const PrecedenceInfo(const SourceString('\\'), 0, BACKSLASH_TOKEN); | 246 const PrecedenceInfo(const SourceString('\\'), 0, BACKSLASH_TOKEN); |
247 final PrecedenceInfo PERIOD_PERIOD_PERIOD_INFO = | 247 final PrecedenceInfo PERIOD_PERIOD_PERIOD_INFO = |
248 const PrecedenceInfo(const SourceString('...'), 0, | 248 const PrecedenceInfo(const SourceString('...'), 0, |
249 PERIOD_PERIOD_PERIOD_TOKEN); | 249 PERIOD_PERIOD_PERIOD_TOKEN); |
250 | 250 |
251 // TODO(ahe): This might become a token. | 251 // Sequence operator has the lowest precedence. |
ahe
2012/04/16 08:55:23
There is no sequence operator in the Dart language
Lasse Reichstein Nielsen
2012/04/16 12:41:38
Changed "sequence" to "cascade" - which is what it
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252 final int SEQUENCE_PRECEDENCE = 1; | |
252 final PrecedenceInfo PERIOD_PERIOD_INFO = | 253 final PrecedenceInfo PERIOD_PERIOD_INFO = |
253 const PrecedenceInfo(const SourceString('..'), 0, PERIOD_PERIOD_TOKEN); | 254 const PrecedenceInfo(const SourceString('..'), SEQUENCE_PRECEDENCE, |
255 PERIOD_PERIOD_TOKEN); | |
254 | 256 |
255 final PrecedenceInfo BANG_INFO = | 257 final PrecedenceInfo BANG_INFO = |
256 const PrecedenceInfo(const SourceString('!'), 0, BANG_TOKEN); | 258 const PrecedenceInfo(const SourceString('!'), 0, BANG_TOKEN); |
257 final PrecedenceInfo COLON_INFO = | 259 final PrecedenceInfo COLON_INFO = |
258 const PrecedenceInfo(const SourceString(':'), 0, COLON_TOKEN); | 260 const PrecedenceInfo(const SourceString(':'), 0, COLON_TOKEN); |
259 final PrecedenceInfo INDEX_INFO = | 261 final PrecedenceInfo INDEX_INFO = |
260 const PrecedenceInfo(const SourceString('[]'), 0, INDEX_TOKEN); | 262 const PrecedenceInfo(const SourceString('[]'), 0, INDEX_TOKEN); |
261 final PrecedenceInfo MINUS_MINUS_INFO = | 263 final PrecedenceInfo MINUS_MINUS_INFO = |
262 const PrecedenceInfo(const SourceString('--'), POSTFIX_PRECEDENCE, | 264 const PrecedenceInfo(const SourceString('--'), POSTFIX_PRECEDENCE, |
263 MINUS_MINUS_TOKEN); | 265 MINUS_MINUS_TOKEN); |
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429 | 431 |
430 final PrecedenceInfo STRING_INTERPOLATION_INFO = | 432 final PrecedenceInfo STRING_INTERPOLATION_INFO = |
431 const PrecedenceInfo(const SourceString('\${'), 0, | 433 const PrecedenceInfo(const SourceString('\${'), 0, |
432 STRING_INTERPOLATION_TOKEN); | 434 STRING_INTERPOLATION_TOKEN); |
433 | 435 |
434 final PrecedenceInfo HEXADECIMAL_INFO = | 436 final PrecedenceInfo HEXADECIMAL_INFO = |
435 const PrecedenceInfo(const SourceString('hexadecimal'), 0, HEXADECIMAL_TOKEN); | 437 const PrecedenceInfo(const SourceString('hexadecimal'), 0, HEXADECIMAL_TOKEN); |
436 | 438 |
437 // For reporting lexical errors. | 439 // For reporting lexical errors. |
438 final PrecedenceInfo ERROR_INFO = | 440 final PrecedenceInfo ERROR_INFO = |
439 const PrecedenceInfo(const SourceString('?'), 0, UNKNOWN_TOKEN); | 441 const PrecedenceInfo(const SourceString('?'), 0, UNKNOWN_TOKEN); |
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