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/*
* Copyright (C) 1999-2000,2003 Harri Porten (porten@kde.org)
* Copyright (C) 2007, 2008, 2011 Apple Inc. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301
* USA
*
*/
#include "config.h"
#include "NumberConstructor.h"
#include "Lookup.h"
#include "NumberObject.h"
#include "NumberPrototype.h"
#include "JSCInlines.h"
namespace JSC {
static EncodedJSValue numberConstructorNaNValue(ExecState*, JSObject*, EncodedJSValue, PropertyName);
static EncodedJSValue numberConstructorNegInfinity(ExecState*, JSObject*, EncodedJSValue, PropertyName);
static EncodedJSValue numberConstructorPosInfinity(ExecState*, JSObject*, EncodedJSValue, PropertyName);
static EncodedJSValue numberConstructorMaxValue(ExecState*, JSObject*, EncodedJSValue, PropertyName);
static EncodedJSValue numberConstructorMinValue(ExecState*, JSObject*, EncodedJSValue, PropertyName);
} // namespace JSC
#include "NumberConstructor.lut.h"
namespace JSC {
STATIC_ASSERT_IS_TRIVIALLY_DESTRUCTIBLE(NumberConstructor);
const ClassInfo NumberConstructor::s_info = { "Function", &InternalFunction::s_info, &numberConstructorTable, CREATE_METHOD_TABLE(NumberConstructor) };
/* Source for NumberConstructor.lut.h
@begin numberConstructorTable
NaN numberConstructorNaNValue DontEnum|DontDelete|ReadOnly
NEGATIVE_INFINITY numberConstructorNegInfinity DontEnum|DontDelete|ReadOnly
POSITIVE_INFINITY numberConstructorPosInfinity DontEnum|DontDelete|ReadOnly
MAX_VALUE numberConstructorMaxValue DontEnum|DontDelete|ReadOnly
MIN_VALUE numberConstructorMinValue DontEnum|DontDelete|ReadOnly
@end
*/
NumberConstructor::NumberConstructor(VM& vm, Structure* structure)
: InternalFunction(vm, structure)
{
}
void NumberConstructor::finishCreation(VM& vm, NumberPrototype* numberPrototype)
{
Base::finishCreation(vm, NumberPrototype::info()->className);
ASSERT(inherits(info()));
// Number.Prototype
putDirectWithoutTransition(vm, vm.propertyNames->prototype, numberPrototype, DontEnum | DontDelete | ReadOnly);
// no. of arguments for constructor
putDirectWithoutTransition(vm, vm.propertyNames->length, jsNumber(1), ReadOnly | DontEnum | DontDelete);
}
bool NumberConstructor::getOwnPropertySlot(JSObject* object, ExecState* exec, PropertyName propertyName, PropertySlot& slot)
{
return getStaticValueSlot<NumberConstructor, InternalFunction>(exec, numberConstructorTable, jsCast<NumberConstructor*>(object), propertyName, slot);
}
static EncodedJSValue numberConstructorNaNValue(ExecState*, JSObject*, EncodedJSValue, PropertyName)
{
return JSValue::encode(jsNaN());
}
static EncodedJSValue numberConstructorNegInfinity(ExecState*, JSObject*, EncodedJSValue, PropertyName)
{
return JSValue::encode(jsNumber(-std::numeric_limits<double>::infinity()));
}
static EncodedJSValue numberConstructorPosInfinity(ExecState*, JSObject*, EncodedJSValue, PropertyName)
{
return JSValue::encode(jsNumber(std::numeric_limits<double>::infinity()));
}
static EncodedJSValue numberConstructorMaxValue(ExecState*, JSObject*, EncodedJSValue, PropertyName)
{
return JSValue::encode(jsNumber(1.7976931348623157E+308));
}
static EncodedJSValue numberConstructorMinValue(ExecState*, JSObject*, EncodedJSValue, PropertyName)
{
return JSValue::encode(jsNumber(5E-324));
}
// ECMA 15.7.1
static EncodedJSValue JSC_HOST_CALL constructWithNumberConstructor(ExecState* exec)
{
NumberObject* object = NumberObject::create(exec->vm(), asInternalFunction(exec->callee())->globalObject()->numberObjectStructure());
double n = exec->argumentCount() ? exec->uncheckedArgument(0).toNumber(exec) : 0;
object->setInternalValue(exec->vm(), jsNumber(n));
return JSValue::encode(object);
}
ConstructType NumberConstructor::getConstructData(JSCell*, ConstructData& constructData)
{
constructData.native.function = constructWithNumberConstructor;
return ConstructTypeHost;
}
// ECMA 15.7.2
static EncodedJSValue JSC_HOST_CALL callNumberConstructor(ExecState* exec)
{
return JSValue::encode(jsNumber(!exec->argumentCount() ? 0 : exec->uncheckedArgument(0).toNumber(exec)));
}
CallType NumberConstructor::getCallData(JSCell*, CallData& callData)
{
callData.native.function = callNumberConstructor;
return CallTypeHost;
}
} // namespace JSC
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