func doWhile(_data):java
  if(isdef(OutData))
    println('while(', Data, ') {')
    block.inclvl()
      event(onWhile)
  else
    println('while(', val, ' = ', Data, ') {')
    block.inclvl()
      event(onWhile, val)  
  end
  block.declvl()
  println('}')
  event(onStop)
end

func doStop(_data):java
  println('break;')
end