#include "config.h"
#include "DateInstance.h"
#include "JSDateMath.h"
#include "JSGlobalObject.h"
#include "JSCInlines.h"
#include <math.h>
#include <wtf/MathExtras.h>
using namespace WTF;
namespace JSC {
const ClassInfo DateInstance::s_info = {"Date", &JSWrapperObject::s_info, 0, 0, CREATE_METHOD_TABLE(DateInstance)};
DateInstance::DateInstance(VM& vm, Structure* structure)
: JSWrapperObject(vm, structure)
{
}
void DateInstance::finishCreation(VM& vm)
{
Base::finishCreation(vm);
ASSERT(inherits(info()));
setInternalValue(vm, jsNaN());
}
void DateInstance::finishCreation(VM& vm, double time)
{
Base::finishCreation(vm);
ASSERT(inherits(info()));
setInternalValue(vm, jsNumber(timeClip(time)));
}
void DateInstance::destroy(JSCell* cell)
{
static_cast<DateInstance*>(cell)->DateInstance::~DateInstance();
}
const GregorianDateTime* DateInstance::calculateGregorianDateTime(ExecState* exec) const
{
double milli = internalNumber();
if (std::isnan(milli))
return 0;
VM& vm = exec->vm();
if (!m_data)
m_data = vm.dateInstanceCache.add(milli);
if (m_data->m_gregorianDateTimeCachedForMS != milli) {
msToGregorianDateTime(vm, milli, false, m_data->m_cachedGregorianDateTime);
m_data->m_gregorianDateTimeCachedForMS = milli;
}
return &m_data->m_cachedGregorianDateTime;
}
const GregorianDateTime* DateInstance::calculateGregorianDateTimeUTC(ExecState* exec) const
{
double milli = internalNumber();
if (std::isnan(milli))
return 0;
VM& vm = exec->vm();
if (!m_data)
m_data = vm.dateInstanceCache.add(milli);
if (m_data->m_gregorianDateTimeUTCCachedForMS != milli) {
msToGregorianDateTime(vm, milli, true, m_data->m_cachedGregorianDateTimeUTC);
m_data->m_gregorianDateTimeUTCCachedForMS = milli;
}
return &m_data->m_cachedGregorianDateTimeUTC;
}
}