def _nt_name_addr
start_index = index
if node_cache[:name_addr].has_key?(index)
cached = node_cache[:name_addr][index]
@index = cached.interval.end if cached
return cached
end
i0 = index
i1, s1 = index, []
r2 = _nt_display_name
s1 << r2
if r2
r3 = _nt_angle_addr
s1 << r3
end
if s1.last
r1 = instantiate_node(SyntaxNode,input, i1...index, s1)
r1.extend(NameAddr0)
else
@index = i1
r1 = nil
end
if r1
r0 = r1
else
r4 = _nt_angle_addr
if r4
r0 = r4
else
@index = i0
r0 = nil
end
end
node_cache[:name_addr][start_index] = r0
r0
end