[cfe-dev] automatic bind for topmost matcher

[Philip Craig]

On Tue, Oct 23, 2012 at 6:44 PM, Manuel Klimek <klimek at google.com> wrote:
> On Tue, Oct 23, 2012 at 10:37 AM, Philip Craig <philipjcraig at gmail.com>
> wrote:
>>
>> In a MatchCallback, is there any way of determining the topmost node
>> that was matched without needing to bind it? This would merely be a
>> convenience, similar to the way that regular expressions always return
>> the complete match, and you only have to gives names to parts of the
>> regular expression if you want the subexpressions.
>
>
> Currently not, as you can always write .bind("x") very easily. What name
> would you propose?

My desire was to not need any name, so that I could just call
Result.Nodes.getNodeAs<T>() without any argument.

For the situation that prompted my question see
http://llvm-reviews.chandlerc.com/D72. Always having access to the top
node would avoid the need for the NodeVerifier class in that patch.