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| 1 // Copyright 2006-2008 the V8 project authors. All rights reserved. | 1 // Copyright 2011 the V8 project authors. All rights reserved. |
| 2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
| 3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
| 4 // met: | 4 // met: |
| 5 // | 5 // |
| 6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
| 7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
| 8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
| 9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
| 10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
| 11 // with the distribution. | 11 // with the distribution. |
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| 45 inline bool IsCarriageReturn(uc32 c) { | 45 inline bool IsCarriageReturn(uc32 c) { |
| 46 return c == 0x000D; | 46 return c == 0x000D; |
| 47 } | 47 } |
| 48 | 48 |
| 49 | 49 |
| 50 inline bool IsLineFeed(uc32 c) { | 50 inline bool IsLineFeed(uc32 c) { |
| 51 return c == 0x000A; | 51 return c == 0x000A; |
| 52 } | 52 } |
| 53 | 53 |
| 54 | 54 |
| 55 static inline bool IsInRange(int value, int lower_limit, int higher_limit) { | 55 inline bool IsInRange(int value, int lower_limit, int higher_limit) { |
| 56 ASSERT(lower_limit <= higher_limit); | 56 ASSERT(lower_limit <= higher_limit); |
| 57 return static_cast<unsigned int>(value - lower_limit) <= | 57 return static_cast<unsigned int>(value - lower_limit) <= |
| 58 static_cast<unsigned int>(higher_limit - lower_limit); | 58 static_cast<unsigned int>(higher_limit - lower_limit); |
| 59 } | 59 } |
| 60 | 60 |
| 61 | 61 |
| 62 inline bool IsDecimalDigit(uc32 c) { | 62 inline bool IsDecimalDigit(uc32 c) { |
| 63 // ECMA-262, 3rd, 7.8.3 (p 16) | 63 // ECMA-262, 3rd, 7.8.3 (p 16) |
| 64 return IsInRange(c, '0', '9'); | 64 return IsInRange(c, '0', '9'); |
| 65 } | 65 } |
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| 85 return false; | 85 return false; |
| 86 default: | 86 default: |
| 87 return true; | 87 return true; |
| 88 } | 88 } |
| 89 } | 89 } |
| 90 | 90 |
| 91 | 91 |
| 92 } } // namespace v8::internal | 92 } } // namespace v8::internal |
| 93 | 93 |
| 94 #endif // V8_CHAR_PREDICATES_INL_H_ | 94 #endif // V8_CHAR_PREDICATES_INL_H_ |
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