class Byebug::ControlCommandProcessor

def prompt(context)

Note: have an unused 'context' parameter to match the local interface.
The prompt shown before reading a command. 
def prompt(context)
  p = '(byebug:ctrl) '
  p = afmt("pre-prompt")+p+"\n"+afmt("prompt") if
    Byebug.annotate.to_i > 2
  return p
end