Re: Perl 5.12 complains about ecpg parser-hacking scripts

On sön, 2011-01-23 at 12:23 -0500, Tom Lane wrote:
> Andy Colson <andy@squeakycode.net> writes:
> > Is there anyway to make bison/yacc/gcc/etc spit out the rule names?
> 
> bison -v produces a debug output file that includes nicely cleaned-up
> versions of all the rules.  But it includes a lot of other stuff too,
> and I'm not at all sure that the file format is stable across bison
> versions, so maybe depending on that isn't a hot idea.

Having maintained a gram.y -> keywords.sgml script based on that idea
for N years, I can report that this is not stable enough to work here.