# File lib/cucumber/parser/feature.rb, line 1450
      def _nt_reserved_words_and_symbols
        start_index = index
        if node_cache[:reserved_words_and_symbols].has_key?(index)
          cached = node_cache[:reserved_words_and_symbols][index]
          @index = cached.interval.end if cached
          return cached
        end

        i0 = index
        i1, s1 = index, []
        r2 = _nt_step_keyword
        s1 << r2
        if r2
          r3 = _nt_keyword_space
          s1 << r3
        end
        if s1.last
          r1 = instantiate_node(SyntaxNode,input, i1...index, s1)
          r1.extend(ReservedWordsAndSymbols0)
        else
          @index = i1
          r1 = nil
        end
        if r1
          r0 = r1
        else
          r4 = _nt_scenario_keyword
          if r4
            r0 = r4
          else
            r5 = _nt_scenario_outline_keyword
            if r5
              r0 = r5
            else
              r6 = _nt_table
              if r6
                r0 = r6
              else
                r7 = _nt_tag
                if r7
                  r0 = r7
                else
                  r8 = _nt_comment_line
                  if r8
                    r0 = r8
                  else
                    @index = i0
                    r0 = nil
                  end
                end
              end
            end
          end
        end

        node_cache[:reserved_words_and_symbols][start_index] = r0

        r0
      end