#include "config.h"
#include "DateInstance.h"
#include "JSGlobalObject.h"
#include <math.h>
#include <wtf/DateMath.h>
#include <wtf/MathExtras.h>
using namespace WTF;
namespace JSC {
const ClassInfo DateInstance::s_info = {"Date", &JSWrapperObject::s_info, 0, 0};
DateInstance::DateInstance(ExecState* exec, Structure* structure)
: JSWrapperObject(exec->globalData(), structure)
{
ASSERT(inherits(&s_info));
setInternalValue(exec->globalData(), jsNaN());
}
DateInstance::DateInstance(ExecState* exec, Structure* structure, double time)
: JSWrapperObject(exec->globalData(), structure)
{
ASSERT(inherits(&s_info));
setInternalValue(exec->globalData(), jsNumber(timeClip(time)));
}
const GregorianDateTime* DateInstance::calculateGregorianDateTime(ExecState* exec) const
{
double milli = internalNumber();
if (isnan(milli))
return 0;
if (!m_data)
m_data = exec->globalData().dateInstanceCache.add(milli);
if (m_data->m_gregorianDateTimeCachedForMS != milli) {
msToGregorianDateTime(exec, 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 (isnan(milli))
return 0;
if (!m_data)
m_data = exec->globalData().dateInstanceCache.add(milli);
if (m_data->m_gregorianDateTimeUTCCachedForMS != milli) {
msToGregorianDateTime(exec, milli, true, m_data->m_cachedGregorianDateTimeUTC);
m_data->m_gregorianDateTimeUTCCachedForMS = milli;
}
return &m_data->m_cachedGregorianDateTimeUTC;
}
}