# File lib/treetop/compiler/metagrammar.rb, line 1996 def _nt_quoted_string start_index = index if node_cache[:quoted_string].has_key?(index) cached = node_cache[:quoted_string][index] @index = cached.interval.end if cached return cached end i0 = index r1 = _nt_single_quoted_string if r1 r0 = r1 r0.extend(QuotedString0) else r2 = _nt_double_quoted_string if r2 r0 = r2 r0.extend(QuotedString0) else self.index = i0 r0 = nil end end node_cache[:quoted_string][start_index] = r0 return r0 end