Which bison tools for C++

In the old time, when i was young, I've hacked flex (2.3... remember)
and bison(1.21...old isn't it?) to generate C++, publishing the free
flex++/bison++ package... I is stable but frozen, since I can no more
develop on it.


nowaday these package are based on obsoleted version of
flex/bison... flex 2.5 have a C++ support, that is good as I've heard.
but I've never heard of a widely used C++ bison-like system...


I've heard of andrew bison-A...


does anybony know such product, that should better be:
- widely used
- maintained
- free


does this exist...
are ther any commercial product widly used ?


visual Parse ?
yacc++ ?


This is to update the response I make to people that
ask me about flex++/bison++...




thank in advance.
--
Alain Coetmeur. Informatique-CDC , mailto:acoetmeur@icdc.caissedesdepots.fr
--

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