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[Caml-list] Turning off type-checking
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Date: | 2002-05-14 (23:17) |
From: | Markus Mottl <markus@o...> |
Subject: | Re: [Caml-list] Turning off type-checking |
On Tue, 14 May 2002, Jacques Garrigue wrote: > One thing you might want to try is to write your own interpreter for > your subset of ocaml. According to the code snippets you posted, it is > restricted enough, so that should be easy. Then you can experiment > without compiling, and compile later if you really need to. Being so lazy, I thought that I could skip writing an interpreter, because I needed a pretty-printer anyway. And OCaml-code is just fine for this purpose... > Note that with some tricks your interpreter can share data > representation with ocaml, so that your functions could be called > directly from ocaml (with a bit of magic, of course). This is an interesting suggestion, thanks! > As long as your type are not really huge (like in Alain's example), and > you are not using subtyping, I don't think that there is much room for > improvement in the compiler. This said, we find a complexity bug once > in a while. One of them was quite serious: type checking was done twice > for arguments in applications. Usually you won't notice it, but if you > have an application inside an argument inside an argument... this was > exponential! Unfortunately I don't remember whether this was corrected > before or after 3.04. I don't think that I really hit the exponential wall anywhere so it's probably just that type-checking takes much longer than I had expected. Well, I can live with it... Regards, Markus Mottl -- Markus Mottl markus@oefai.at Austrian Research Institute for Artificial Intelligence http://www.oefai.at/~markus ------------------- To unsubscribe, mail caml-list-request@inria.fr Archives: http://caml.inria.fr Bug reports: http://caml.inria.fr/bin/caml-bugs FAQ: http://caml.inria.fr/FAQ/ Beginner's list: http://groups.yahoo.com/group/ocaml_beginners