| How does one deal cleanly with implementation differences,
| e.g. things like isAscii being defined in Hugs but not in
| GHC? I'd hate to resort to Makefile trickery and preprocessing.
isAscii is certainly defined in GHC. It's in module Char, like the
language definition says.
| Btw, the reason I want to run the same sources with Hugs and
| GHC is that I have a compiler whose parser is generated with
| Happy.
Provided you stick to Haskell98, the same sources should run on both.
| Compiling the parser on a smallish computer takes ages
| and I don't need the efficiency at this stage anyway. On the
| other hand, I find the error messages given by GHC very good.
| If someone can suggest another compiler to try out or a way
| to reduce the time needed for compiling the parser, I'd be
| grateful. The parser is about 3500 lines of Haskell.
Hugs compiles really fast. The interactive version of GHC compiles
much slower, but much faster than the batch version. ghc --interactive.
[GHC 5.02 at least.]
Simon
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