2 ||M|| This file is part of HELM, an Hypertextual, Electronic
3 ||A|| Library of Mathematics, developed at the Computer Science
4 ||T|| Department, University of Bologna, Italy.
6 ||T|| HELM is free software; you can redistribute it and/or
7 ||A|| modify it under the terms of the GNU General Public License
8 \ / version 2 or (at your option) any later version.
9 \ / This software is distributed as is, NO WARRANTY.
10 V_______________________________________________________________ *)
12 (* $Id: nCic.ml 9058 2008-10-13 17:42:30Z tassi $ *)
14 let rec normalize status ?(delta=0) ~subst ctx t =
15 normalize_machine status ~delta ~subst ctx
16 (fst (NCicReduction.reduce_machine status ~delta ~subst ctx (0,[],t,[])))
17 and normalize_machine status ?(delta=0) ~subst ctx (k,e,t,s) =
22 NCicSubstitution.psubst status ~avoid_beta_redexes:true
23 (fun e -> normalize_machine status ~delta ~subst ctx (NCicReduction.from_env ~delta e)) e t in
26 NCic.Meta (n,(s,lc)) ->
27 let l = NCicUtils.expand_local_context lc in
28 let l' = List.map (normalize status ~delta ~subst ctx) l in
31 NCic.Meta (n,(s,NCic.Ctx l))
32 | t -> NCicUtils.map status (fun h ctx -> h::ctx) ctx (normalize status ~delta ~subst) t
38 (List.map (fun i -> normalize_machine status ~delta ~subst ctx (NCicReduction.from_stack ~delta i)) s))