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| 1 // Copyright 2011 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 |
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| 78 } | 78 } |
| 79 } | 79 } |
| 80 } // End anonymous namespace. | 80 } // End anonymous namespace. |
| 81 | 81 |
| 82 | 82 |
| 83 double StringToDouble(UnicodeCache* unicode_cache, | 83 double StringToDouble(UnicodeCache* unicode_cache, |
| 84 String* str, int flags, double empty_string_val) { | 84 String* str, int flags, double empty_string_val) { |
| 85 StringShape shape(str); | 85 StringShape shape(str); |
| 86 // TODO(dcarney): Use a Visitor here. | 86 // TODO(dcarney): Use a Visitor here. |
| 87 if (shape.IsSequentialAscii()) { | 87 if (shape.IsSequentialAscii()) { |
| 88 const char* begin = SeqOneByteString::cast(str)->GetChars(); | 88 const uint8_t* begin = SeqOneByteString::cast(str)->GetChars(); |
| 89 const char* end = begin + str->length(); | 89 const uint8_t* end = begin + str->length(); |
| 90 return InternalStringToDouble(unicode_cache, begin, end, flags, | 90 return InternalStringToDouble(unicode_cache, begin, end, flags, |
| 91 empty_string_val); | 91 empty_string_val); |
| 92 } else if (shape.IsSequentialTwoByte()) { | 92 } else if (shape.IsSequentialTwoByte()) { |
| 93 const uc16* begin = SeqTwoByteString::cast(str)->GetChars(); | 93 const uc16* begin = SeqTwoByteString::cast(str)->GetChars(); |
| 94 const uc16* end = begin + str->length(); | 94 const uc16* end = begin + str->length(); |
| 95 return InternalStringToDouble(unicode_cache, begin, end, flags, | 95 return InternalStringToDouble(unicode_cache, begin, end, flags, |
| 96 empty_string_val); | 96 empty_string_val); |
| 97 } else { | 97 } else { |
| 98 ConsStringIteratorOp op; | 98 ConsStringIteratorOp op; |
| 99 StringCharacterStream stream(str, &op); | 99 StringCharacterStream stream(str, &op); |
| 100 return InternalStringToDouble(unicode_cache, | 100 return InternalStringToDouble(unicode_cache, |
| 101 StringCharacterStreamIterator(&stream), | 101 StringCharacterStreamIterator(&stream), |
| 102 StringCharacterStreamIterator::EndMarker(), | 102 StringCharacterStreamIterator::EndMarker(), |
| 103 flags, | 103 flags, |
| 104 empty_string_val); | 104 empty_string_val); |
| 105 } | 105 } |
| 106 } | 106 } |
| 107 | 107 |
| 108 | 108 |
| 109 double StringToInt(UnicodeCache* unicode_cache, | 109 double StringToInt(UnicodeCache* unicode_cache, |
| 110 String* str, | 110 String* str, |
| 111 int radix) { | 111 int radix) { |
| 112 StringShape shape(str); | 112 StringShape shape(str); |
| 113 // TODO(dcarney): Use a Visitor here. | 113 // TODO(dcarney): Use a Visitor here. |
| 114 if (shape.IsSequentialAscii()) { | 114 if (shape.IsSequentialAscii()) { |
| 115 const char* begin = SeqOneByteString::cast(str)->GetChars(); | 115 const uint8_t* begin = SeqOneByteString::cast(str)->GetChars(); |
| 116 const char* end = begin + str->length(); | 116 const uint8_t* end = begin + str->length(); |
| 117 return InternalStringToInt(unicode_cache, begin, end, radix); | 117 return InternalStringToInt(unicode_cache, begin, end, radix); |
| 118 } else if (shape.IsSequentialTwoByte()) { | 118 } else if (shape.IsSequentialTwoByte()) { |
| 119 const uc16* begin = SeqTwoByteString::cast(str)->GetChars(); | 119 const uc16* begin = SeqTwoByteString::cast(str)->GetChars(); |
| 120 const uc16* end = begin + str->length(); | 120 const uc16* end = begin + str->length(); |
| 121 return InternalStringToInt(unicode_cache, begin, end, radix); | 121 return InternalStringToInt(unicode_cache, begin, end, radix); |
| 122 } else { | 122 } else { |
| 123 ConsStringIteratorOp op; | 123 ConsStringIteratorOp op; |
| 124 StringCharacterStream stream(str, &op); | 124 StringCharacterStream stream(str, &op); |
| 125 return InternalStringToInt(unicode_cache, | 125 return InternalStringToInt(unicode_cache, |
| 126 StringCharacterStreamIterator(&stream), | 126 StringCharacterStreamIterator(&stream), |
| 127 StringCharacterStreamIterator::EndMarker(), | 127 StringCharacterStreamIterator::EndMarker(), |
| 128 radix); | 128 radix); |
| 129 } | 129 } |
| 130 } | 130 } |
| 131 | 131 |
| 132 } } // namespace v8::internal | 132 } } // namespace v8::internal |
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