1// Copyright 2011 the V8 project authors. All rights reserved. 2// Redistribution and use in source and binary forms, with or without 3// modification, are permitted provided that the following conditions are 4// met: 5// 6// * Redistributions of source code must retain the above copyright 7// notice, this list of conditions and the following disclaimer. 8// * Redistributions in binary form must reproduce the above 9// copyright notice, this list of conditions and the following 10// disclaimer in the documentation and/or other materials provided 11// with the distribution. 12// * Neither the name of Google Inc. nor the names of its 13// contributors may be used to endorse or promote products derived 14// from this software without specific prior written permission. 15// 16// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 19// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 20// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 21// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 22// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 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. 27 28#ifndef V8_V8CONVERSIONS_H_ 29#define V8_V8CONVERSIONS_H_ 30 31#include "conversions.h" 32 33namespace v8 { 34namespace internal { 35 36// Convert from Number object to C integer. 37inline int32_t NumberToInt32(Object* number) { 38 if (number->IsSmi()) return Smi::cast(number)->value(); 39 return DoubleToInt32(number->Number()); 40} 41 42 43inline uint32_t NumberToUint32(Object* number) { 44 if (number->IsSmi()) return Smi::cast(number)->value(); 45 return DoubleToUint32(number->Number()); 46} 47 48 49// Converts a string into a double value according to ECMA-262 9.3.1 50double StringToDouble(UnicodeCache* unicode_cache, 51 String* str, 52 int flags, 53 double empty_string_val = 0); 54 55// Converts a string into an integer. 56double StringToInt(UnicodeCache* unicode_cache, String* str, int radix); 57 58} } // namespace v8::internal 59 60#endif // V8_V8CONVERSIONS_H_ 61