[Python-Dev] Column offsets for attribute nodes

[Nick Coghlan]

On Mon, Dec 27, 2010 at 9:34 AM, Benjamin Peterson <benjamin at python.org> wrote:
> 2010/12/26 Sven Brauch <svenbrauch at googlemail.com>:
>> In that discussion, there's been different opinions about which
>> behaviour is better; main arguments were "consistency" for the current
>> and "usefulness" for the suggested behaviour. It has been proposed to
>> ask the question on this list, that's why I'm doing that now. :)
>
> My argument against this change is that an attribute includes the
> expression from which the attribute is being taken. This is consistent
> with subscripts and calls, which both have the lineno and col_offset
> of their source expressions.

I'd like to see the impact on existing uses of this information
(primarily SyntaxErrors) before forming a firm opinion, but my initial
inclination is that retaining the column information for the
subattribute names is a better option.

Cheers,
Nick.

-- 
Nick Coghlan   |   ncoghlan at gmail.com   |   Brisbane, Australia