class Racc::StateTransitionTableGenerator

def act2actid(act)
  case act
  when Shift  then act.goto_id
  when Reduce then -act.ruleid
  when Accept then @states.shift_n
  when Error  then @states.reduce_n * -1
  else
    raise "racc: fatal: wrong act type #{act.class} in action table"
  end
end