yacc/lex of perl5 is in its source tree ?
HAving done C I know some of the pitfalls when starting from a yacc/lex 
form -;

Le jeudi 9 janvier 2014 18:48:05 UTC+1, Jeffrey Kegler a écrit :
>
>  Gee whiz, Reini, we were waiting for you. :-)
>
> More seriously, I have one suggestion for anyone thinking of writing a 
> Marpa-powered Perl grammar.  I made a start at it, and it's in the test 
> suite.  Do *NOT* bother looking at it.  It's based on an older, pre-events 
> Marpa, and it is best not to waste time on it and to make a fresh start 
> from the YACC grammar in the Perl source.
>
> -- jeffrey
>  
>  On 01/09/2014 09:34 AM, Reini Urban wrote:
>  
> On Thu, Jan 9, 2014 at 10:08 AM, Jeffrey Kegler<[email protected]> 
> <javascript:> wrote:
>
>  Reini would be our list's expert on this, but since we haven't heard from
> him, I'll throw in my guess -- it looks like they are using PPI to parse.
> The grammar you linked to apparently does not guide the parsing -- it's used
> to implement an interface. -- jeffrey
>
>  Yes, right. PPI is used for rperl, and the guide is just for the API 
> overview.
>
> Marpa would be faster, but we don't have a perl grammar for marpa yet.
> I'm counting on you, guys.
> Also for p2, where I had to write my incomplete perl grammar from scratch
>
>
>  On 01/07/2014 11:09 AM, Durand Jean-Damien wrote:
>
> Was reading this blogs.perl.org post about rperl and interestingly this
> grammar.
> Sound heaviily Marpa compatible - but is that really Marpa behind - somebody
> knows?
>
>   
> 

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