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// -*- c-basic-offset: 2 -*-
/*
* This file is part of the KDE libraries
* Copyright (C) 1999-2000 Harri Porten (porten@kde.org)
*
* 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 _KJS_OPERATIONS_H_
#define _KJS_OPERATIONS_H_
#include "global.h"
#include <math.h>
namespace KJS {
class ExecState;
class JSValue;
enum Operator { OpEqual,
OpEqEq,
OpPlus,
OpMinus,
OpMult,
OpDiv,
OpMod,
OpNotEq,
OpStrEq,
OpStrNEq,
OpPlusEq,
OpMinusEq,
OpMultEq,
OpDivEq,
OpPlusPlus,
OpMinusMinus,
OpLess,
OpLessEq,
OpGreater,
OpGreaterEq,
OpAndEq,
OpXOrEq,
OpOrEq,
OpModEq,
OpAnd,
OpOr,
OpBitAnd,
OpBitXOr,
OpBitOr,
OpLShift,
OpRShift,
OpURShift,
OpIn,
OpInstanceOf
};
#if PLATFORM(DARWIN)
inline bool isNaN(double d) { return isnan(d); }
inline bool isInf(double d) { return isinf(d); }
inline bool isPosInf(double d) { return isinf(d) && d > 0; }
inline bool isNegInf(double d) { return isinf(d) && d < 0; }
#else
KJS_EXPORT bool isNaN(double d);
KJS_EXPORT bool isInf(double d);
KJS_EXPORT bool isPosInf(double d);
KJS_EXPORT bool isNegInf(double d);
#endif
bool equal(ExecState *exec, JSValue *v1, JSValue *v2);
bool strictEqual(ExecState *exec, JSValue *v1, JSValue *v2);
// Same as strictEqual, except for "-0" and "0" difference.
// Used in PropertyDescriptor::equalTo and Object::defineOwnProperty to check
// if the value changed and we need to update.
bool sameValue(ExecState *exec, JSValue *v1, JSValue *v2);
/**
* This operator performs an abstract relational comparison of the two
* arguments that can be of arbitrary type. If possible, conversions to the
* string or number type will take place before the comparison.
*
* @return 1 if v1 is "less-than" v2, 0 if the relation is "greater-than-or-
* equal". -1 if the result is undefined.
*/
int relation(ExecState *exec, JSValue *v1, JSValue *v2, bool leftFirst = true);
int relation(ExecState *exec, JSValue *v1, double n2);
int maxInt(int d1, int d2);
int minInt(int d1, int d2);
}
#endif
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