/*

 * Copyright (C) 1999-2000 Harri Porten (porten@kde.org)

 * Copyright (C) 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 "Operations.h"

#include "Error.h"

#include "JSObject.h"

#include "JSString.h"

#include <math.h>

#include <stdio.h>

#include <wtf/MathExtras.h>

#if HAVE(FLOAT_H)

#include <float.h>

#endif

namespace JSC {

bool JSValue::equalSlowCase(ExecState* exec, JSValue v1, JSValue v2)

{

    return equalSlowCaseInline(exec, v1, v2);

}

bool JSValue::strictEqualSlowCase(JSValue v1, JSValue v2)

{

    return strictEqualSlowCaseInline(v1, v2);

}

NEVER_INLINE JSValue throwOutOfMemoryError(ExecState* exec)

{

    JSObject* error = Error::create(exec, GeneralError, "Out of memory");

    exec->setException(error);

    return error;

}

NEVER_INLINE JSValue jsAddSlowCase(CallFrame* callFrame, JSValue v1, JSValue v2)

{

    // exception for the Date exception in defaultValue()

    JSValue p1 = v1.toPrimitive(callFrame);

    JSValue p2 = v2.toPrimitive(callFrame);

    if (p1.isString() || p2.isString()) {

        RefPtr<UString::Rep> value = concatenate(p1.toString(callFrame).rep(), p2.toString(callFrame).rep());

        if (!value)

            return throwOutOfMemoryError(callFrame);

        return jsString(callFrame, value.release());

    }

    return jsNumber(callFrame, p1.toNumber(callFrame) + p2.toNumber(callFrame));

}

JSValue jsTypeStringForValue(CallFrame* callFrame, JSValue v)

{

    if (v.isUndefined())

        return jsNontrivialString(callFrame, "undefined");

    if (v.isBoolean())

        return jsNontrivialString(callFrame, "boolean");

    if (v.isNumber())

        return jsNontrivialString(callFrame, "number");

    if (v.isString())

        return jsNontrivialString(callFrame, "string");

    if (v.isObject()) {

        // Return "undefined" for objects that should be treated

        // as null when doing comparisons.

        if (asObject(v)->structure()->typeInfo().masqueradesAsUndefined())

            return jsNontrivialString(callFrame, "undefined");

        CallData callData;

        if (asObject(v)->getCallData(callData) != CallTypeNone)

            return jsNontrivialString(callFrame, "function");

    }

    return jsNontrivialString(callFrame, "object");

}

bool jsIsObjectType(JSValue v)

{

    if (!v.isCell())

        return v.isNull();

    JSType type = asCell(v)->structure()->typeInfo().type();

    if (type == NumberType || type == StringType)

        return false;

    if (type == ObjectType) {

        if (asObject(v)->structure()->typeInfo().masqueradesAsUndefined())

            return false;

        CallData callData;

        if (asObject(v)->getCallData(callData) != CallTypeNone)

            return false;

    }

    return true;

}

bool jsIsFunctionType(JSValue v)

{

    if (v.isObject()) {

        CallData callData;

        if (asObject(v)->getCallData(callData) != CallTypeNone)

            return true;

    }

    return false;

}

} // namespace JSC