Re: Complain about hidden left recursion in GLR parsing

[Joel E. Denny]

On Mon, 13 Mar 2006, Sylvain Schmitz wrote:

> Sylvain Schmitz wrote:
> >   Here is a simple modification so that bison complains about hidden left
> > recursion, avoiding such cases until someone into GLR parsing implements one
> > of the existing solutions.
> 
> And now I see my solution is not working in case a nonterminal has both hidden
> and non-hidden left recursion like so:
> 
> s:
>     a s 'b'
>   | s 'c'
>   | 'x'
>   ;

Thanks for raising these issues.

For this test case and your previous one, could you please post example 
input that demonstrates the problem?  That will help us sort through this 
a little faster.

Joel