Two suggestions for GCC beginners projects

[David Brown]

On 28/11/2024 12:18, Aaron Peter Bachmann via Gcc wrote:
> Two suggestions for GCC beginners projects
> 
> I watched some of the 2024 Gnu Cauldron videos. The question of what 
> could be a suitable project for a beginner came up. I have two suggestions:
> 
> 1.    Add a warning when users use reserved or potentially reserved 
> identifiers in their code. This could cover C and posit-identifiers. I 
> think clang has that already. It is exceptionally simple, but some 
> guidance might help here anyway. E. g. would it be acceptable to produce 
> the classification function with [f]lex?
> 

One thing to aim for here is to try to be consistent with clang - if you 
add a warning that is very similar to a warning in clang, use the same 
flag name.

It could also be worth adding options to the flag to support 
cross-language checks - in particular, it is often useful to avoid C++ 
reserved identifiers in C header code.