func doFor(_data)
fvar(c)
  fvar(t)
  t = Start
  c=(CounterName='')?Counter:code(CounterName)
  println('For ',c,' = ',Start,' To ',End,(IncludeEnd='False')?((Step<0)?' + 1':' - 1'):'',(Step=1)?'':(' Step '&& Step))
 block.inclvl()
   event(onEvent,c)
 block.declvl()
 println('Next')
 event(onStop)
end

func doStop
 println('Exit For')
 event(onStop)
end

func Position
 return((CounterName='')?Counter:code(CounterName))
end