Larry Wall <[EMAIL PROTECTED]> writes: > : Why not use a 16 bit int and specify that languages should use > : default precedence levels spread through the range but keeping the > : bottom 8 bits all zero. That gives 255 levels between '3' and '4'. > : Seems like enough to me! > : > : Floating point seems like over-egging the omelette. > > It's also under-egging the omelette, and not just because you > eventually run out of bits. I don't think either integer or floating > point is the best solution, because in either case you have to remember > separately how many levels of derivation from the standard precedence > levels you are, so you know which bit to flip, or which increment to > add or subtract from the floater.
On this subject, has it been considered doing it the Cecil way? http://www.cs.washington.edu/research/projects/cecil/www/Release/doc-cecil-lang/cecil-spec-37.html (no numbered priorities, but a partial-order relation on operators) -- Pixel programming languages addict http://merd.net/pixel/language-study/
