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/*
* Copyright (C) 1999-2001 Harri Porten (porten@kde.org)
* Copyright (C) 2001 Peter Kelly (pmk@post.com)
* Copyright (C) 2003, 2004, 2005, 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.
*
*/
#ifndef JSNumberCell_h
#define JSNumberCell_h
#include "CallFrame.h"
#include "JSCell.h"
#include "JSImmediate.h"
#include "Collector.h"
#include "UString.h"
#include <stddef.h> // for size_t
namespace JSC {
extern const double NaN;
extern const double Inf;
#if USE(JSVALUE64)
ALWAYS_INLINE JSValue::JSValue(EncodeAsDoubleTag, double d)
{
*this = JSImmediate::fromNumberOutsideIntegerRange(d);
}
inline JSValue::JSValue(double d)
{
JSValue v = JSImmediate::from(d);
ASSERT(v);
*this = v;
}
inline JSValue::JSValue(int i)
{
JSValue v = JSImmediate::from(i);
ASSERT(v);
*this = v;
}
inline JSValue::JSValue(unsigned i)
{
JSValue v = JSImmediate::from(i);
ASSERT(v);
*this = v;
}
inline JSValue::JSValue(long i)
{
JSValue v = JSImmediate::from(i);
ASSERT(v);
*this = v;
}
inline JSValue::JSValue(unsigned long i)
{
JSValue v = JSImmediate::from(i);
ASSERT(v);
*this = v;
}
inline JSValue::JSValue(long long i)
{
JSValue v = JSImmediate::from(static_cast<double>(i));
ASSERT(v);
*this = v;
}
inline JSValue::JSValue(unsigned long long i)
{
JSValue v = JSImmediate::from(static_cast<double>(i));
ASSERT(v);
*this = v;
}
inline bool JSValue::isDouble() const
{
return JSImmediate::isDouble(asValue());
}
inline double JSValue::asDouble() const
{
return JSImmediate::doubleValue(asValue());
}
inline bool JSValue::isNumber() const
{
return JSImmediate::isNumber(asValue());
}
inline double JSValue::uncheckedGetNumber() const
{
ASSERT(isNumber());
return JSImmediate::toDouble(asValue());
}
#endif // USE(JSVALUE64)
#if USE(JSVALUE64)
inline JSValue::JSValue(char i)
{
ASSERT(JSImmediate::from(i));
*this = JSImmediate::from(i);
}
inline JSValue::JSValue(unsigned char i)
{
ASSERT(JSImmediate::from(i));
*this = JSImmediate::from(i);
}
inline JSValue::JSValue(short i)
{
ASSERT(JSImmediate::from(i));
*this = JSImmediate::from(i);
}
inline JSValue::JSValue(unsigned short i)
{
ASSERT(JSImmediate::from(i));
*this = JSImmediate::from(i);
}
inline JSValue jsNaN()
{
return jsNumber(NaN);
}
// --- JSValue inlines ----------------------------
ALWAYS_INLINE JSValue JSValue::toJSNumber(ExecState* exec) const
{
return isNumber() ? asValue() : jsNumber(this->toNumber(exec));
}
inline bool JSValue::getNumber(double &result) const
{
if (isInt32())
result = asInt32();
else if (LIKELY(isDouble()))
result = asDouble();
else {
ASSERT(!isNumber());
return false;
}
return true;
}
#endif // USE(JSVALUE64)
} // namespace JSC
#endif // JSNumberCell_h
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