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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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