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1 // Copyright 2006-2008 the V8 project authors. All rights reserved. | 1 // Copyright 2006-2008 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 |
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2251 return (hi << 4) + lo; | 2251 return (hi << 4) + lo; |
2252 } | 2252 } |
2253 | 2253 |
2254 | 2254 |
2255 static inline int Unescape(String* source, | 2255 static inline int Unescape(String* source, |
2256 StringShape shape, | 2256 StringShape shape, |
2257 int i, | 2257 int i, |
2258 int length, | 2258 int length, |
2259 int* step) { | 2259 int* step) { |
2260 uint16_t character = source->Get(shape, i); | 2260 uint16_t character = source->Get(shape, i); |
2261 int32_t hi, lo; | 2261 int32_t hi = 0; |
| 2262 int32_t lo = 0; |
2262 if (character == '%' && | 2263 if (character == '%' && |
2263 i <= length - 6 && | 2264 i <= length - 6 && |
2264 source->Get(shape, i + 1) == 'u' && | 2265 source->Get(shape, i + 1) == 'u' && |
2265 (hi = TwoDigitHex(source->Get(shape, i + 2), | 2266 (hi = TwoDigitHex(source->Get(shape, i + 2), |
2266 source->Get(shape, i + 3))) != -1 && | 2267 source->Get(shape, i + 3))) != -1 && |
2267 (lo = TwoDigitHex(source->Get(shape, i + 4), | 2268 (lo = TwoDigitHex(source->Get(shape, i + 4), |
2268 source->Get(shape, i + 5))) != -1) { | 2269 source->Get(shape, i + 5))) != -1) { |
2269 *step = 6; | 2270 *step = 6; |
2270 return (hi << 8) + lo; | 2271 return (hi << 8) + lo; |
2271 } else if (character == '%' && | 2272 } else if (character == '%' && |
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5850 } else { | 5851 } else { |
5851 // Handle last resort GC and make sure to allow future allocations | 5852 // Handle last resort GC and make sure to allow future allocations |
5852 // to grow the heap without causing GCs (if possible). | 5853 // to grow the heap without causing GCs (if possible). |
5853 Counters::gc_last_resort_from_js.Increment(); | 5854 Counters::gc_last_resort_from_js.Increment(); |
5854 Heap::CollectAllGarbage(); | 5855 Heap::CollectAllGarbage(); |
5855 } | 5856 } |
5856 } | 5857 } |
5857 | 5858 |
5858 | 5859 |
5859 } } // namespace v8::internal | 5860 } } // namespace v8::internal |
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