Reviewed by GGaren

    Reviewed by GGaren

        - This is a big makeover for our Date implemenetation.  This solves many platform specific issues, specifically dates before 1970, and simplifies some ugly code.  The purpose of this was to get us to pass many of the JavaScriptCore tests on windows.

        * JavaScriptCore.vcproj/JavaScriptCore/JavaScriptCore.vcproj:
        * JavaScriptCore.xcodeproj/project.pbxproj:
        * kjs/DateMath.cpp: Added.
        (KJS::):
        (KJS::daysInYear):
        (KJS::daysFrom1970ToYear):
        (KJS::msFrom1970ToYear):
        (KJS::msToDays):
        (KJS::msToYear):
        (KJS::isLeapYear):
        (KJS::isInLeapYear):
        (KJS::dayInYear):
        (KJS::msToMilliseconds):
        (KJS::msToWeekDay):
        (KJS::msToSeconds):
        (KJS::msToMinutes):
        (KJS::msToHours):
        (KJS::msToMonth):
        (KJS::msToDayInMonth):
        (KJS::monthToDayInYear):
        (KJS::timeToMseconds):
        (KJS::dateToDayInYear):
        (KJS::equivalentYearForDST):
        (KJS::getUTCOffset):
        (KJS::getDSTOffsetSimple):
        (KJS::getDSTOffset):
        (KJS::localTimeToUTC):
        (KJS::UTCToLocalTime):
        (KJS::dateToMseconds):
        (KJS::msToTM):
        (KJS::isDST):
        * kjs/DateMath.h: Added.
        (KJS::):
        * kjs/date_object.cpp:
        (KJS::gmtoffset):
        (KJS::formatTime):
        (KJS::DateInstance::getTime):
        (KJS::DateInstance::getUTCTime):
        (KJS::DateProtoFunc::callAsFunction):
        (KJS::DateObjectImp::construct):
        (KJS::DateObjectFuncImp::callAsFunction):
        (KJS::parseDate):
        * kjs/testkjs.cpp:
        * os-win32/stdint.h:

git-svn-id: https://svn.webkit.org/repository/webkit/trunk@16780 268f45cc-cd09-0410-ab3c-d52691b4dbfc