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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 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef V8_CONVERSIONS_INL_H_ | 5 #ifndef V8_CONVERSIONS_INL_H_ |
6 #define V8_CONVERSIONS_INL_H_ | 6 #define V8_CONVERSIONS_INL_H_ |
7 | 7 |
8 #include <float.h> // Required for DBL_MAX and on Win32 for finite() | 8 #include <float.h> // Required for DBL_MAX and on Win32 for finite() |
9 #include <limits.h> // Required for INT_MAX etc. | 9 #include <limits.h> // Required for INT_MAX etc. |
10 #include <stdarg.h> | 10 #include <stdarg.h> |
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120 if (number->IsSmi()) return Smi::cast(number)->value(); | 120 if (number->IsSmi()) return Smi::cast(number)->value(); |
121 return DoubleToInt32(number->Number()); | 121 return DoubleToInt32(number->Number()); |
122 } | 122 } |
123 | 123 |
124 | 124 |
125 uint32_t NumberToUint32(Object* number) { | 125 uint32_t NumberToUint32(Object* number) { |
126 if (number->IsSmi()) return Smi::cast(number)->value(); | 126 if (number->IsSmi()) return Smi::cast(number)->value(); |
127 return DoubleToUint32(number->Number()); | 127 return DoubleToUint32(number->Number()); |
128 } | 128 } |
129 | 129 |
| 130 int64_t NumberToInt64(Object* number) { |
| 131 if (number->IsSmi()) return Smi::cast(number)->value(); |
| 132 return static_cast<int64_t>(number->Number()); |
| 133 } |
130 | 134 |
131 bool TryNumberToSize(Isolate* isolate, Object* number, size_t* result) { | 135 bool TryNumberToSize(Isolate* isolate, Object* number, size_t* result) { |
132 SealHandleScope shs(isolate); | 136 SealHandleScope shs(isolate); |
133 if (number->IsSmi()) { | 137 if (number->IsSmi()) { |
134 int value = Smi::cast(number)->value(); | 138 int value = Smi::cast(number)->value(); |
135 DCHECK(static_cast<unsigned>(Smi::kMaxValue) <= | 139 DCHECK(static_cast<unsigned>(Smi::kMaxValue) <= |
136 std::numeric_limits<size_t>::max()); | 140 std::numeric_limits<size_t>::max()); |
137 if (value >= 0) { | 141 if (value >= 0) { |
138 *result = static_cast<size_t>(value); | 142 *result = static_cast<size_t>(value); |
139 return true; | 143 return true; |
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754 buffer[buffer_pos] = '\0'; | 758 buffer[buffer_pos] = '\0'; |
755 | 759 |
756 double converted = Strtod(Vector<const char>(buffer, buffer_pos), exponent); | 760 double converted = Strtod(Vector<const char>(buffer, buffer_pos), exponent); |
757 return (sign == NEGATIVE) ? -converted : converted; | 761 return (sign == NEGATIVE) ? -converted : converted; |
758 } | 762 } |
759 | 763 |
760 } // namespace internal | 764 } // namespace internal |
761 } // namespace v8 | 765 } // namespace v8 |
762 | 766 |
763 #endif // V8_CONVERSIONS_INL_H_ | 767 #endif // V8_CONVERSIONS_INL_H_ |
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