def _nt_no_fold_literal
start_index = index
if node_cache[:no_fold_literal].has_key?(index)
cached = node_cache[:no_fold_literal][index]
@index = cached.interval.end if cached
return cached
end
i0, s0 = index, []
if has_terminal?("[", false, index)
r1 = instantiate_node(SyntaxNode,input, index...(index + 1))
@index += 1
else
terminal_parse_failure("[")
r1 = nil
end
s0 << r1
if r1
s2, i2 = [], index
loop do
i3 = index
r4 = _nt_dtext
if r4
r3 = r4
else
r5 = _nt_quoted_pair
if r5
r3 = r5
else
@index = i3
r3 = nil
end
end
if r3
s2 << r3
else
break
end
end
if s2.empty?
@index = i2
r2 = nil
else
r2 = instantiate_node(SyntaxNode,input, i2...index, s2)
end
s0 << r2
if r2
if has_terminal?("]", false, index)
r6 = instantiate_node(SyntaxNode,input, index...(index + 1))
@index += 1
else
terminal_parse_failure("]")
r6 = nil
end
s0 << r6
end
end
if s0.last
r0 = instantiate_node(SyntaxNode,input, i0...index, s0)
r0.extend(NoFoldLiteral0)
else
@index = i0
r0 = nil
end
node_cache[:no_fold_literal][start_index] = r0
r0
end