| /* |
| * Copyright (C) 1999-2002 Harri Porten (porten@kde.org) |
| * Copyright (C) 2001 Peter Kelly (pmk@post.com) |
| * Copyright (C) 2004, 2007, 2008 Apple Inc. All rights reserved. |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Library General Public |
| * License as published by the Free Software Foundation; either |
| * version 2 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Library General Public License for more details. |
| * |
| * You should have received a copy of the GNU Library General Public License |
| * along with this library; see the file COPYING.LIB. If not, write to |
| * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
| * Boston, MA 02110-1301, USA. |
| * |
| */ |
| |
| #include "config.h" |
| #include "JSNumberCell.h" |
| |
| #include "NumberObject.h" |
| #include "UString.h" |
| |
| namespace JSC { |
| |
| #if !USE(ALTERNATE_JSIMMEDIATE) |
| |
| JSValuePtr JSNumberCell::toPrimitive(ExecState*, PreferredPrimitiveType) const |
| { |
| return const_cast<JSNumberCell*>(this); |
| } |
| |
| bool JSNumberCell::getPrimitiveNumber(ExecState*, double& number, JSValuePtr& value) |
| { |
| number = m_value; |
| value = this; |
| return true; |
| } |
| |
| bool JSNumberCell::toBoolean(ExecState*) const |
| { |
| return m_value < 0.0 || m_value > 0.0; // false for NaN |
| } |
| |
| double JSNumberCell::toNumber(ExecState*) const |
| { |
| return m_value; |
| } |
| |
| UString JSNumberCell::toString(ExecState*) const |
| { |
| if (m_value == 0.0) // +0.0 or -0.0 |
| return "0"; |
| return UString::from(m_value); |
| } |
| |
| UString JSNumberCell::toThisString(ExecState*) const |
| { |
| if (m_value == 0.0) // +0.0 or -0.0 |
| return "0"; |
| return UString::from(m_value); |
| } |
| |
| JSObject* JSNumberCell::toObject(ExecState* exec) const |
| { |
| return constructNumber(exec, const_cast<JSNumberCell*>(this)); |
| } |
| |
| JSObject* JSNumberCell::toThisObject(ExecState* exec) const |
| { |
| return constructNumber(exec, const_cast<JSNumberCell*>(this)); |
| } |
| |
| bool JSNumberCell::getUInt32(uint32_t& uint32) const |
| { |
| uint32 = static_cast<uint32_t>(m_value); |
| return uint32 == m_value; |
| } |
| |
| bool JSNumberCell::getTruncatedInt32(int32_t& int32) const |
| { |
| if (!(m_value >= -2147483648.0 && m_value < 2147483648.0)) |
| return false; |
| int32 = static_cast<int32_t>(m_value); |
| return true; |
| } |
| |
| bool JSNumberCell::getTruncatedUInt32(uint32_t& uint32) const |
| { |
| if (!(m_value >= 0.0 && m_value < 4294967296.0)) |
| return false; |
| uint32 = static_cast<uint32_t>(m_value); |
| return true; |
| } |
| |
| JSValuePtr JSNumberCell::getJSNumber() |
| { |
| return this; |
| } |
| |
| JSValuePtr jsNumberCell(ExecState* exec, double d) |
| { |
| return new (exec) JSNumberCell(exec, d); |
| } |
| |
| JSValuePtr jsNumberCell(JSGlobalData* globalData, double d) |
| { |
| return new (globalData) JSNumberCell(globalData, d); |
| } |
| |
| #else |
| |
| JSValuePtr jsNumberCell(ExecState*, double) |
| { |
| ASSERT_NOT_REACHED(); |
| return noValue(); |
| } |
| |
| #endif |
| |
| } // namespace JSC |