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| Date: | -- (:) |
| From: | skaller <skaller@u...> |
| Subject: | Re: [Caml-list] Parser state variables |
On Fri, 2005-10-28 at 08:22 +0200, Alain Frisch wrote: > skaller wrote: > > Are there any plans to extend Ocamlyacc to allow state variables, > > in a manner similar to the recent extensions to Ocamllex to > > allow them? > > > > At present, there are two workarounds: > > Another one is to make semantic actions return functions which take the > state as an argument. This is similar to introducing a new data type to > represent pure concrete parse trees and then post-process these trees to > produce abstract syntax. Aha! Another win for higher order functions! Thanks for this insight. Dang -- so obvious when you see it :) -- John Skaller <skaller at users dot sf dot net> Felix, successor to C++: http://felix.sf.net