Re: Is there a replacement for yychar

[Matthias Simon]

On 2014-12-12 12:51, Hans Aberg wrote:
> > if [ $($BISON --version | head 1 | ...) -lt 3 ]; then
> >    write_header_config "#define yychar yyla.type”
> > fi
>
> Right. It might suffice to put it directly in the .yy file, as later
> version do not seem to have yychar.
Whereas later versions do not have yychar, older versions do not have 
yyla.type. Putting the above macro into .yy file will fail in at least 
one version.

I tried to find a define which allows switches like this:

#ifndef YY_HAS_OWN_YYCHAR
#define yychar yyla.type
#endif

But it seems, there is no macro in bison which could be used as 
YY_HAS_OWN_YYCHAR-trigger-thingy. Therefore I think I have to parse the 
bison version string :/