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/*
* 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
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