class Racc::States

def compute_nfa
  @grammar.init
  # add state 0
  core_to_state  [ @grammar[0].ptrs[0] ]
  # generate LALR states
  cur = 0
  @gotos = []
  while cur < @states.size
    generate_states @states[cur]   # state is added here
    cur += 1
  end
  @actions.init
end