def _nt_quoted_string
start_index = index
if node_cache[:quoted_string].has_key?(index)
cached = node_cache[:quoted_string][index]
if cached
cached = SyntaxNode.new(input, index...(index + 1)) if cached == true
@index = cached.interval.end
end
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
@index = i0
r0 = nil
end
end
node_cache[:quoted_string][start_index] = r0
r0
end