[cfe-dev] More C++11 Migration Tools
mclow.lists at gmail.com
Thu Nov 1 10:20:54 PDT 2012
On Oct 31, 2012, at 10:33 AM, Douglas Gregor <dgregor at apple.com> wrote:
> On Oct 31, 2012, at 7:58 AM, "Vane, Edwin" <edwin.vane at intel.com> wrote:
>> Hi all,
>> I’ve been catching up from the archive about talk about a C++11 migration tool. It seems all that communication culminated in the loop-convert tool currently in the clang-tools-extra repo. My team has been developing tools for migrating more C++11 features. We’re starting small and simple (e.g. nested template space removal between ‘>’, use of nullptr, etc.) and hope to tackle more and more complex transformations. Right each transformation lives in its own standalone tool, following the loop-convert model. However, based on the old conversation I think the intent was to have loop-convert as the basis of a single binary that does multiple transforms right?
> Yes, we'd like to have a single "C++11 migrator" binary that can do multiple transforms. And I *definitely* think it's good to start with the simpler transformations, so we can get the basic architecture in place without having to also work on a ton of logic for individual migration steps.
>> Assuming ‘yes’ to that question, when we have a few tools to choose from, we want to merge them into a single c++11 migration tool. We’d welcome thoughts on the design of such a tool. I’m aware of earlier suggestions:
>> - Something akin to –O# to control the level of risk/change you’re willing to live with.
>> - Options to turn on/off certain transforms
> The two aren't mutually exclusive. Personally, I think the latter is far more important: users need to be able to say, "use this C++11 feature, but not this other one". And it certainly makes sense to define a default set of transforms that are guaranteed to be safe (including the two you mentioned above).
I would be happy to help define and build such a tool.
Marshall Clow Idio Software <mailto:mclow.lists at gmail.com>
A.D. 1517: Martin Luther nails his 95 Theses to the church door and is promptly moderated down to (-1, Flamebait).
-- Yu Suzuki
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