> "Christopher Kings-Lynne" <[EMAIL PROTECTED]> writes: > > Also, Tom (or anyone): in regards to your previous email, > should I just go > > back to using opt_symmetry to shorten the number of productions, since I > > have to make them reserved words anyway? > > Might as well. No point in writing more productions if it doesn't buy > anything.
Since it's really just two ways of writing the same thing, wouldn't bison just produce the exact same C code? I'll rewrite it anyway for elegance, but just wondering... > BTW, I've forgotten whether your patch is purely syntactic or not, > but I'd really like to see someone fix things so that BETWEEN has its > own expression node tree type and is not expanded into some ugly > "A>=B and A<=C" equivalent. This would (a) allow it to be > reverse-listed reasonably, and (b) eliminate redundant evaluations of > the subexpressions. It is purely syntactic. Anyone want to give me a quick hint on how to make a new node tree type for BETWEEN? What does reverse-listing mean as well? Chris ---------------------------(end of broadcast)--------------------------- TIP 4: Don't 'kill -9' the postmaster
