def _nt_obs_text
start_index = index
if node_cache[:obs_text].has_key?(index)
cached = node_cache[:obs_text][index]
@index = cached.interval.end if cached
return cached
end
i0, s0 = index, []
s1, i1 = [], index
loop do
r2 = _nt_LF
if r2
s1 << r2
else
break
end
end
r1 = instantiate_node(SyntaxNode,input, i1...index, s1)
s0 << r1
if r1
s3, i3 = [], index
loop do
r4 = _nt_CR
if r4
s3 << r4
else
break
end
end
r3 = instantiate_node(SyntaxNode,input, i3...index, s3)
s0 << r3
if r3
s5, i5 = [], index
loop do
i6, s6 = index, []
r7 = _nt_obs_char
s6 << r7
if r7
s8, i8 = [], index
loop do
r9 = _nt_LF
if r9
s8 << r9
else
break
end
end
r8 = instantiate_node(SyntaxNode,input, i8...index, s8)
s6 << r8
if r8
s10, i10 = [], index
loop do
r11 = _nt_CR
if r11
s10 << r11
else
break
end
end
r10 = instantiate_node(SyntaxNode,input, i10...index, s10)
s6 << r10
end
end
if s6.last
r6 = instantiate_node(SyntaxNode,input, i6...index, s6)
r6.extend(ObsText0)
else
@index = i6
r6 = nil
end
if r6
s5 << r6
else
break
end
end
r5 = instantiate_node(SyntaxNode,input, i5...index, s5)
s0 << r5
end
end
if s0.last
r0 = instantiate_node(SyntaxNode,input, i0...index, s0)
r0.extend(ObsText1)
else
@index = i0
r0 = nil
end
node_cache[:obs_text][start_index] = r0
r0
end