def _nt_angle_addr
start_index = index
if node_cache[:angle_addr].has_key?(index)
cached = node_cache[:angle_addr][index]
@index = cached.interval.end if cached
return cached
end
i0 = index
i1, s1 = index, []
r3 = _nt_CFWS
if r3
r2 = r3
else
r2 = instantiate_node(SyntaxNode,input, index...index)
end
s1 << r2
if r2
if has_terminal?("<", false, index)
r4 = instantiate_node(SyntaxNode,input, index...(index + 1))
@index += 1
else
terminal_parse_failure("<")
r4 = nil
end
s1 << r4
if r4
r5 = _nt_addr_spec
s1 << r5
if r5
if has_terminal?(">", false, index)
r6 = instantiate_node(SyntaxNode,input, index...(index + 1))
@index += 1
else
terminal_parse_failure(">")
r6 = nil
end
s1 << r6
if r6
r8 = _nt_CFWS
if r8
r7 = r8
else
r7 = instantiate_node(SyntaxNode,input, index...index)
end
s1 << r7
end
end
end
end
if s1.last
r1 = instantiate_node(SyntaxNode,input, i1...index, s1)
r1.extend(AngleAddr0)
else
@index = i1
r1 = nil
end
if r1
r0 = r1
else
r9 = _nt_obs_angle_addr
if r9
r0 = r9
else
@index = i0
r0 = nil
end
end
node_cache[:angle_addr][start_index] = r0
r0
end