def _nt_dtext
start_index = index
if node_cache[:dtext].has_key?(index)
cached = node_cache[:dtext][index]
@index = cached.interval.end if cached
return cached
end
i0 = index
r1 = _nt_NO_WS_CTL
if r1
r0 = r1
else
if has_terminal?('\G[\\x21-\\x5a]', true, index)
r2 = true
@index += 1
else
r2 = nil
end
if r2
r0 = r2
else
if has_terminal?('\G[\\x5e-\\x7e]', true, index)
r3 = true
@index += 1
else
r3 = nil
end
if r3
r0 = r3
else
@index = i0
r0 = nil
end
end
end
node_cache[:dtext][start_index] = r0
r0
end