Re: Bison lexer

[Hans Åberg]

> On 15 Sep 2018, at 18:34, Akim Demaille <address@hidden> wrote:
> 
>> Le 15 sept. 2018 à 14:51, Hans Åberg <address@hidden> a écrit :
>> 
>> 
>>> On 15 Sep 2018, at 07:07, Akim Demaille <address@hidden> wrote:
>>> 
>>> So, while I totally understand Frank’s point, I’m less worried than
>>> he is, and use Flex’s C++ backend.
>> 
>> Which Flex version? It only works before 2.6.0. See:
>> 
>> https://stackoverflow.com/questions/34438023/openfoam-flex-yyin-rdbufstdcin-rdbuf-error
> 
> I’ve been using all the versions of Flex for a while now.  See:
> 
> https://gitlab.lrde.epita.fr/vcsn/vcsn/commit/dcdf2b3cae7353d99520448a7b22a4334a72bc5d

You patch up the Flex header and then use it locally? — I used that approach, 
but then I got it working without patching in 2.5.37 by adding a class in .yy, 
but then it broke in 2.6. Another method I used in the past was my own skeleton 
file, but then must be maintained.