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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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| 24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 27 | 27 |
| 28 #include <stdarg.h> | 28 #include <stdarg.h> |
| 29 #include <limits.h> | 29 #include <limits.h> |
| 30 #include <cmath> | 30 #include <cmath> |
| 31 | 31 |
| 32 #include "conversions-inl.h" | 32 #include "conversions-inl.h" |
| 33 #include "dtoa.h" | 33 #include "dtoa.h" |
| 34 #include "list-inl.h" |
| 34 #include "strtod.h" | 35 #include "strtod.h" |
| 35 #include "utils.h" | 36 #include "utils.h" |
| 36 | 37 |
| 37 #ifndef _STLP_VENDOR_CSTD | 38 #ifndef _STLP_VENDOR_CSTD |
| 38 // STLPort doesn't import fpclassify into the std namespace. | 39 // STLPort doesn't import fpclassify into the std namespace. |
| 39 using std::fpclassify; | 40 using std::fpclassify; |
| 40 #endif | 41 #endif |
| 41 | 42 |
| 42 namespace v8 { | 43 namespace v8 { |
| 43 namespace internal { | 44 namespace internal { |
| 44 | 45 |
| 45 | 46 |
| 46 double StringToDouble(UnicodeCache* unicode_cache, | 47 double StringToDouble(UnicodeCache* unicode_cache, |
| 47 const char* str, int flags, double empty_string_val) { | 48 const char* str, int flags, double empty_string_val) { |
| 48 const char* end = str + StrLength(str); | 49 // We cast to const uint8_t* here to avoid instantiating the |
| 49 return InternalStringToDouble(unicode_cache, str, end, flags, | 50 // InternalStringToDouble() template for const char* as well. |
| 51 const uint8_t* start = reinterpret_cast<const uint8_t*>(str); |
| 52 const uint8_t* end = start + StrLength(str); |
| 53 return InternalStringToDouble(unicode_cache, start, end, flags, |
| 50 empty_string_val); | 54 empty_string_val); |
| 51 } | 55 } |
| 52 | 56 |
| 53 | 57 |
| 54 double StringToDouble(UnicodeCache* unicode_cache, | 58 double StringToDouble(UnicodeCache* unicode_cache, |
| 55 Vector<const char> str, | 59 Vector<const char> str, |
| 56 int flags, | 60 int flags, |
| 57 double empty_string_val) { | 61 double empty_string_val) { |
| 58 const char* end = str.start() + str.length(); | 62 // We cast to const uint8_t* here to avoid instantiating the |
| 59 return InternalStringToDouble(unicode_cache, str.start(), end, flags, | 63 // InternalStringToDouble() template for const char* as well. |
| 64 const uint8_t* start = reinterpret_cast<const uint8_t*>(str.start()); |
| 65 const uint8_t* end = start + str.length(); |
| 66 return InternalStringToDouble(unicode_cache, start, end, flags, |
| 60 empty_string_val); | 67 empty_string_val); |
| 61 } | 68 } |
| 62 | 69 |
| 70 |
| 63 double StringToDouble(UnicodeCache* unicode_cache, | 71 double StringToDouble(UnicodeCache* unicode_cache, |
| 64 Vector<const uc16> str, | 72 Vector<const uc16> str, |
| 65 int flags, | 73 int flags, |
| 66 double empty_string_val) { | 74 double empty_string_val) { |
| 67 const uc16* end = str.start() + str.length(); | 75 const uc16* end = str.start() + str.length(); |
| 68 return InternalStringToDouble(unicode_cache, str.start(), end, flags, | 76 return InternalStringToDouble(unicode_cache, str.start(), end, flags, |
| 69 empty_string_val); | 77 empty_string_val); |
| 70 } | 78 } |
| 71 | 79 |
| 72 | 80 |
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| 428 if (decimal_pos > 0) result_size++; | 436 if (decimal_pos > 0) result_size++; |
| 429 // Allocate result and fill in the parts. | 437 // Allocate result and fill in the parts. |
| 430 SimpleStringBuilder builder(result_size + 1); | 438 SimpleStringBuilder builder(result_size + 1); |
| 431 builder.AddSubstring(integer_buffer + integer_pos + 1, integer_part_size); | 439 builder.AddSubstring(integer_buffer + integer_pos + 1, integer_part_size); |
| 432 if (decimal_pos > 0) builder.AddCharacter('.'); | 440 if (decimal_pos > 0) builder.AddCharacter('.'); |
| 433 builder.AddSubstring(decimal_buffer, decimal_pos); | 441 builder.AddSubstring(decimal_buffer, decimal_pos); |
| 434 return builder.Finalize(); | 442 return builder.Finalize(); |
| 435 } | 443 } |
| 436 | 444 |
| 437 } } // namespace v8::internal | 445 } } // namespace v8::internal |
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