Re: Propagation of prefix change in "yylval" name

[François PELLEGRINI]

Rebonjour M. Denny,

On 06/07/2010 04:40 PM, François PELLEGRINI wrote:
[...]
> Of course, this can be a possibility, but
> it is not what I want. I do not want to
> re-engineer my software and lose compatibility
> with respect to other parsers. I would like flex
> and bison to benefit from the added value, in
> terms of namespace isolation, of the "-p" and
> "-P" options of flex and bison. This is why I
> point that their implementation is not consistent :
> one changes yylval, while the other does not.
>
> The solution to this would be that, when a "-p"
> option is present, flex adds a "#define" line to
> the beginning of the "lex.yy.c" file it produces,
> so that subsequent uses of the "yylval" variable
> are properly renamed.

After some thinking, I think it is up to bison
to add the #define in its "y.tab.h". It is strange
it does it in its "y.tab.c" and not in "y.tab.h",
to be included by the lexer.

That would solve the problem.

Regards,


                                f.p.