Re: problem compiling bison with gcc 3.0.5

[Akim Demaille]

>>>>> "Hans" == Hans Aberg <address@hidden> writes:

Hans> At 10:39 +0100 2002/03/02, Martin Trautmann wrote: [Replies,
Hans> please cc help-bison.]

>> BTW: if anyone likes to answer me some basic questions + Why can't
>> I %expect reduce/reduce conflicts?

Hans> If you only figure out an automated way to select which rule to
Hans> reduce.  What do you prefer? (One can take say the longer rule,
Hans> but what you do if the rules are of the same length?)

The algorithm in such a case is simply reducing the first rule (in the
order of appearance).


>> + Are there any real C++ versions of bison?

Hans> Yes, I made one. :-) There is something called bison++ too I
Hans> think.

It's old and should be completely forgotten.

>> This would be nice: * the whole parser in a class

Hans> I didn't do that part, but I figure the C++ support that Bison
Hans> will have in about in a month (unless the developers doing that
Hans> part went on vacation :-) ) will have that.

There is already a functional prototype in the main CVS branch.  Just
check it out.  Basically, you are on your own, there is no
documentation.  Just pass -S bison.c++.  And be sure to have GNU M4.

>> * passing some objects to the yyparse() function

Hans> Check YYPARSE_PARAM, Bison manual sec 4.2.4.

We are looking for elegant means to add members, not just one.  But it
is not clear whether it's easily feasible, nor desirable.