#ifndef DateInstance_h
#define DateInstance_h
#include "JSWrapperObject.h"
namespace WTF {
struct GregorianDateTime;
}
namespace JSC {
class DateInstance : public JSWrapperObject {
protected:
DateInstance(ExecState*, Structure*, double);
DateInstance(ExecState*, Structure*);
public:
typedef JSWrapperObject Base;
static DateInstance* create(ExecState* exec, Structure* structure, double date)
{
return new (allocateCell<DateInstance>(*exec->heap())) DateInstance(exec, structure, date);
}
static DateInstance* create(ExecState* exec, Structure* structure)
{
return new (allocateCell<DateInstance>(*exec->heap())) DateInstance(exec, structure);
}
double internalNumber() const { return internalValue().uncheckedGetNumber(); }
static JS_EXPORTDATA const ClassInfo s_info;
const GregorianDateTime* gregorianDateTime(ExecState* exec) const
{
if (m_data && m_data->m_gregorianDateTimeCachedForMS == internalNumber())
return &m_data->m_cachedGregorianDateTime;
return calculateGregorianDateTime(exec);
}
const GregorianDateTime* gregorianDateTimeUTC(ExecState* exec) const
{
if (m_data && m_data->m_gregorianDateTimeUTCCachedForMS == internalNumber())
return &m_data->m_cachedGregorianDateTimeUTC;
return calculateGregorianDateTimeUTC(exec);
}
static Structure* createStructure(JSGlobalData& globalData, JSValue prototype)
{
return Structure::create(globalData, prototype, TypeInfo(ObjectType, StructureFlags), AnonymousSlotCount, &s_info);
}
private:
const GregorianDateTime* calculateGregorianDateTime(ExecState*) const;
const GregorianDateTime* calculateGregorianDateTimeUTC(ExecState*) const;
mutable RefPtr<DateInstanceData> m_data;
};
DateInstance* asDateInstance(JSValue);
inline DateInstance* asDateInstance(JSValue value)
{
ASSERT(asObject(value)->inherits(&DateInstance::s_info));
return static_cast<DateInstance*>(asObject(value));
}
}
#endif // DateInstance_h