Re: FYI: default %printer/%destructor

[Paolo Bonzini]

> Declaring $ as part of the value name might help:
>
>   exp($sum): exp($term1) '+' exp($term2)

Not that much.  Yes, this makes a Perl back-end for Bison even more 
difficult, but given Perl 6 has grammars this is not a likely event 
anyway (unlike the Java back-end -- shameless plug for my %language patch).

> That is, one could potentially choose something other than $.  There's an 
> example of this in TODO as well.  For now, we could require that the first 
> character be $ since searching for any arbitrary sequence in an action 
> will take some work.  I'd just like to get the notation right for now.
>
> As TODO notes, there's still the issue of how to handle locations.  
> Perhaps Bison could automatically append `_loc' to the value name.  So, 
> exp($sum) would have a value of $sum and a location of $sum_loc.

Please, let's keep $sum and @sum.

> Or maybe it should be possible to name these separately:
>
>   exp($sum, @sum): exp($term1, @term1) '+' exp($term2, @term2)

Please don't.

Paolo