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/*
* 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
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