def lexer_name_for(*args)
      # Pop off the last arg if it's a hash, which becomes our opts
      if args.last.is_a?(Hash)
        opts = args.pop
      else
        opts = {}
      end

      if args.last.is_a?(String)
        code = args.pop
      else
        code = nil
      end

      mentos(:lexer_name_for, args, opts, code)
    end
def lexer_name_for(*args)
      # Pop off the last arg if it's a hash, which becomes our opts
      if args.last.is_a?(Hash)
        opts = args.pop
      else
        opts = {}
      end

      if args.last.is_a?(String)
        code = args.pop
      else
        code = nil
      end

      mentos(:lexer_name_for, args, opts, code)
    end
Public: Return the name of a lexer.