def _nt_disposition_type
start_index = index
if node_cache[:disposition_type].has_key?(index)
cached = node_cache[:disposition_type][index]
@index = cached.interval.end if cached
return cached
end
i0 = index
if has_terminal?("inline", false, index)
r1 = instantiate_node(SyntaxNode,input, index...(index + 6))
@index += 6
else
terminal_parse_failure("inline")
r1 = nil
end
if r1
r0 = r1
else
if has_terminal?("attachment", false, index)
r2 = instantiate_node(SyntaxNode,input, index...(index + 10))
@index += 10
else
terminal_parse_failure("attachment")
r2 = nil
end
if r2
r0 = r2
else
r3 = _nt_extension_token
if r3
r0 = r3
else
if has_terminal?('', false, index)
r4 = instantiate_node(SyntaxNode,input, index...(index + 0))
@index += 0
else
terminal_parse_failure('')
r4 = nil
end
if r4
r0 = r4
else
@index = i0
r0 = nil
end
end
end
end
node_cache[:disposition_type][start_index] = r0
r0
end