11e0659c275bb392c045087af4f6b0d7565cb3d77Steve Block// Copyright 2011 the V8 project authors. All rights reserved. 21e0659c275bb392c045087af4f6b0d7565cb3d77Steve Block// Redistribution and use in source and binary forms, with or without 31e0659c275bb392c045087af4f6b0d7565cb3d77Steve Block// modification, are permitted provided that the following conditions are 41e0659c275bb392c045087af4f6b0d7565cb3d77Steve Block// met: 51e0659c275bb392c045087af4f6b0d7565cb3d77Steve Block// 61e0659c275bb392c045087af4f6b0d7565cb3d77Steve Block// * Redistributions of source code must retain the above copyright 71e0659c275bb392c045087af4f6b0d7565cb3d77Steve Block// notice, this list of conditions and the following disclaimer. 81e0659c275bb392c045087af4f6b0d7565cb3d77Steve Block// * Redistributions in binary form must reproduce the above 91e0659c275bb392c045087af4f6b0d7565cb3d77Steve Block// copyright notice, this list of conditions and the following 101e0659c275bb392c045087af4f6b0d7565cb3d77Steve Block// disclaimer in the documentation and/or other materials provided 111e0659c275bb392c045087af4f6b0d7565cb3d77Steve Block// with the distribution. 121e0659c275bb392c045087af4f6b0d7565cb3d77Steve Block// * Neither the name of Google Inc. nor the names of its 131e0659c275bb392c045087af4f6b0d7565cb3d77Steve Block// contributors may be used to endorse or promote products derived 141e0659c275bb392c045087af4f6b0d7565cb3d77Steve Block// from this software without specific prior written permission. 151e0659c275bb392c045087af4f6b0d7565cb3d77Steve Block// 161e0659c275bb392c045087af4f6b0d7565cb3d77Steve Block// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 171e0659c275bb392c045087af4f6b0d7565cb3d77Steve Block// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 181e0659c275bb392c045087af4f6b0d7565cb3d77Steve Block// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 191e0659c275bb392c045087af4f6b0d7565cb3d77Steve Block// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 201e0659c275bb392c045087af4f6b0d7565cb3d77Steve Block// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 211e0659c275bb392c045087af4f6b0d7565cb3d77Steve Block// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 221e0659c275bb392c045087af4f6b0d7565cb3d77Steve Block// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 231e0659c275bb392c045087af4f6b0d7565cb3d77Steve Block// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 241e0659c275bb392c045087af4f6b0d7565cb3d77Steve Block// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 251e0659c275bb392c045087af4f6b0d7565cb3d77Steve Block// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 261e0659c275bb392c045087af4f6b0d7565cb3d77Steve Block// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 271e0659c275bb392c045087af4f6b0d7565cb3d77Steve Block 283fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch#ifndef V8_V8CONVERSIONS_H_ 293fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch#define V8_V8CONVERSIONS_H_ 301e0659c275bb392c045087af4f6b0d7565cb3d77Steve Block 313fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch#include "conversions.h" 323fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch 333fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdochnamespace v8 { 343fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdochnamespace internal { 353fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch 363fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch// Convert from Number object to C integer. 373ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdochinline int32_t NumberToInt32(Object* number) { 383fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch if (number->IsSmi()) return Smi::cast(number)->value(); 393fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch return DoubleToInt32(number->Number()); 403fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch} 413fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch 423fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch 433ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdochinline uint32_t NumberToUint32(Object* number) { 443fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch if (number->IsSmi()) return Smi::cast(number)->value(); 453fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch return DoubleToUint32(number->Number()); 461e0659c275bb392c045087af4f6b0d7565cb3d77Steve Block} 47e0cee9b3ed82e2391fd85d118aeaa4ea361c687dBen Murdoch 483fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch 493fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch// Converts a string into a double value according to ECMA-262 9.3.1 503fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdochdouble StringToDouble(UnicodeCache* unicode_cache, 513fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch String* str, 523fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch int flags, 533fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch double empty_string_val = 0); 543fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch 553fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch// Converts a string into an integer. 563fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdochdouble StringToInt(UnicodeCache* unicode_cache, String* str, int radix); 573fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch 583fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch} } // namespace v8::internal 593fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch 603fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch#endif // V8_V8CONVERSIONS_H_ 61