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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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120 double StringToDouble(UnicodeCache* unicode_cache, | 120 double StringToDouble(UnicodeCache* unicode_cache, |
121 Vector<const uc16> str, | 121 Vector<const uc16> str, |
122 int flags, | 122 int flags, |
123 double empty_string_val = 0); | 123 double empty_string_val = 0); |
124 // This version expects a zero-terminated character array. | 124 // This version expects a zero-terminated character array. |
125 double StringToDouble(UnicodeCache* unicode_cache, | 125 double StringToDouble(UnicodeCache* unicode_cache, |
126 const char* str, | 126 const char* str, |
127 int flags, | 127 int flags, |
128 double empty_string_val = 0); | 128 double empty_string_val = 0); |
129 | 129 |
130 const int kDoubleToCStringMinBufferSize = 100; | |
131 | |
132 // Converts a double to a string value according to ECMA-262 9.8.1. | 130 // Converts a double to a string value according to ECMA-262 9.8.1. |
133 // The buffer should be large enough for any floating point number. | 131 // The buffer should be large enough for any floating point number. |
134 // 100 characters is enough. | 132 // 100 characters is enough. |
135 const char* DoubleToCString(double value, Vector<char> buffer); | 133 const char* DoubleToCString(double value, Vector<char> buffer); |
136 | 134 |
137 // Convert an int to a null-terminated string. The returned string is | 135 // Convert an int to a null-terminated string. The returned string is |
138 // located inside the buffer, but not necessarily at the start. | 136 // located inside the buffer, but not necessarily at the start. |
139 const char* IntToCString(int n, Vector<char> buffer); | 137 const char* IntToCString(int n, Vector<char> buffer); |
140 | 138 |
141 // Additional number to string conversions for the number type. | 139 // Additional number to string conversions for the number type. |
142 // The caller is responsible for calling free on the returned pointer. | 140 // The caller is responsible for calling free on the returned pointer. |
143 char* DoubleToFixedCString(double value, int f); | 141 char* DoubleToFixedCString(double value, int f); |
144 char* DoubleToExponentialCString(double value, int f); | 142 char* DoubleToExponentialCString(double value, int f); |
145 char* DoubleToPrecisionCString(double value, int f); | 143 char* DoubleToPrecisionCString(double value, int f); |
146 char* DoubleToRadixCString(double value, int radix); | 144 char* DoubleToRadixCString(double value, int radix); |
147 | 145 |
148 } } // namespace v8::internal | 146 } } // namespace v8::internal |
149 | 147 |
150 #endif // V8_CONVERSIONS_H_ | 148 #endif // V8_CONVERSIONS_H_ |
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