[Rock-dev] clang vs. typelib

[Sylvain Joyeux]

Another thing that we did not mention: typedefs.

Typedefs need to be registered as well. It is really critical for
complex templates that the user can use base/Vector3d instead of the
complete eigen definition ...

Sylvain

On Thu, Jul 17, 2014 at 11:08 AM, Sylvain Joyeux <bir.sylvain at gmail.com> wrote:
> The out-of-tree build is there, by the way
>
>   https://github.com/doudou/clang-typelib/tree/out_of_tree
>
> On Thu, Jul 17, 2014 at 11:03 AM, Sylvain Joyeux <bir.sylvain at gmail.com> wrote:
>>> rhetorical standard question lwhich os? which llvm-branch?
>>> did u "make all" in the llvm-build dir, or just "make extractor"?
>> Mmmmm... One important "detail". It is an out-of-build tree (I got it
>> to work), so prebuilt clang 3.4 from Ubuntu.
>>
>>>> One thing you may have missed: types need to be resolved recursively.
>>>> That is, you need to resolve the fields types, and the fields types of
>>>> the fields types and so on and so forth.
>>> we talked about this, and said that these types are pulled later from
>>> the typelib-registry? no need to resolve them recursively at the level
>>> of the clang-based-tool? (which still needs a proper name...)
>> Eeeeh. Misunderstanding.
>> Nope, they cannot be pulled later from the typelib registry as that
>> would require the user to basically tell orogen all the files that
>> should be pulled (replicating the set of recursive includes). If you
>> think about it, really not fun when you start hitting Eigen or boost.
>>
>> Sylvain