"Walter Bright" <newshound2@digitalmars.com> wrote in message
news:km7fml$2rka$1@digitalmars.com...

> When devising solutions, I want to prefer solutions that do not rely on
> #ifdef/#endif. I've tried to scrub those out of the dmd front end source
> code.

I completely agree.  But - refactoring the glue layer interface to use a
proper visitor interface (what I suspect is the best solution) is a rather
large change and will be much easier _after_ the conversion.

While ifdefs are a pain in general, the big problem is this pattern.
if (a && b &&
#if SOMETHING
    c && d &&
#else
    e && f &&
#endif
    g && h) {
...