_nt_repetition_suffix (Treetop::Compiler::Metagrammar)

    # File lib/treetop/compiler/metagrammar.rb, line 1694
          def _nt_repetition_suffix
            start_index = index
            if node_cache[:repetition_suffix].has_key?(index)
              cached = node_cache[:repetition_suffix][index]
              @index = cached.interval.end if cached
              return cached
            end

            i0 = index
            if input.index('+', index) == index
              r1 = instantiate_node(OneOrMore,input, index...(index + 1))
              @index += 1
            else
              terminal_parse_failure('+')
              r1 = nil
            end
            if r1
              r0 = r1
            else
              if input.index('*', index) == index
                r2 = instantiate_node(ZeroOrMore,input, index...(index + 1))
                @index += 1
              else
                terminal_parse_failure('*')
                r2 = nil
              end
              if r2
                r0 = r2
              else
                self.index = i0
                r0 = nil
              end
            end

            node_cache[:repetition_suffix][start_index] = r0

            return r0
          end