+(* Copyright (C) 2004, HELM Team.
+ *
+ * This file is part of HELM, an Hypertextual, Electronic
+ * Library of Mathematics, developed at the Computer Science
+ * Department, University of Bologna, Italy.
+ *
+ * HELM is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * HELM is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with HELM; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+ * MA 02111-1307, USA.
+ *
+ * For details, see the HELM World-Wide-Web page,
+ * http://cs.unibo.it/helm/.
+ *)
(* identity_relocation_list_for_metavariable i canonical_context *)
(* returns the identity relocation list, which is the list [1 ; ... ; n] *)
let mk_implicit metasenv context =
let newmeta = new_meta metasenv in
+ let newuniv = CicUniv.fresh () in
let irl = identity_relocation_list_for_metavariable context in
- ([ newmeta, context, Cic.Sort Cic.Type ;
- newmeta + 1, context, Cic.Meta (newmeta, irl);
+ ([ newmeta, [], Cic.Sort (Cic.Type newuniv) ;
+ (* TASSI: ?? *)
+ newmeta + 1, context, Cic.Meta (newmeta, []);
newmeta + 2, context, Cic.Meta (newmeta + 1,irl) ] @ metasenv,
newmeta + 2)
+let mk_implicit_type metasenv context =
+ let newmeta = new_meta metasenv in
+ let newuniv = CicUniv.fresh () in
+ ([ newmeta, [], Cic.Sort (Cic.Type newuniv);
+ (* TASSI: ?? *)
+ newmeta + 1, context, Cic.Meta (newmeta, []) ] @metasenv,
+ newmeta + 1)
+
+let mk_implicit_sort metasenv =
+ let newmeta = new_meta metasenv in
+ let newuniv = CicUniv.fresh () in
+ ([ newmeta, [], Cic.Sort (Cic.Type newuniv)] @ metasenv, newmeta)
+ (* TASSI: ?? *)
+
let n_fresh_metas metasenv context n =
if n = 0 then metasenv, []
else
let irl = identity_relocation_list_for_metavariable context in
let newmeta = new_meta metasenv in
+ let newuniv = CicUniv.fresh () in
let rec aux newmeta n =
if n = 0 then metasenv, []
else
let metasenv', l = aux (newmeta + 3) (n-1) in
- (newmeta, context, Cic.Sort Cic.Type)::
+ (* TASSI: ?? *)
+ (newmeta, context, Cic.Sort (Cic.Type newuniv))::
(newmeta + 1, context, Cic.Meta (newmeta, irl))::
(newmeta + 2, context, Cic.Meta (newmeta + 1,irl))::metasenv',
Cic.Meta(newmeta+2,irl)::l in
let fresh_subst metasenv context uris =
let irl = identity_relocation_list_for_metavariable context in
let newmeta = new_meta metasenv in
+ let newuniv = CicUniv.fresh () in
let rec aux newmeta = function
[] -> metasenv, []
| uri::tl ->
let metasenv', l = aux (newmeta + 3) tl in
- (newmeta, context, Cic.Sort Cic.Type)::
+ (* TASSI: ?? *)
+ (newmeta, context, Cic.Sort (Cic.Type newuniv))::
(newmeta + 1, context, Cic.Meta (newmeta, irl))::
(newmeta + 2, context, Cic.Meta (newmeta + 1,irl))::metasenv',
(uri,Cic.Meta(newmeta+2,irl))::l in
aux newmeta uris
-let mk_implicit_type metasenv context =
- let newmeta = new_meta metasenv in
- let irl = identity_relocation_list_for_metavariable context in
- ([ newmeta, context, Cic.Sort Cic.Type ;
- newmeta + 1, context, Cic.Meta (newmeta, irl) ] @metasenv,
- newmeta + 1)
-
let expand_implicits metasenv context term =
let rec aux metasenv context = function
| (Cic.Rel _) as t -> metasenv, t
| Cic.Meta (n,l) ->
let metasenv', l' = do_local_context metasenv context l in
metasenv', Cic.Meta (n, l')
- | Cic.Implicit ->
+ | Cic.Implicit (Some `Type) ->
+ let (metasenv', idx) = mk_implicit_type metasenv context in
+ let irl = identity_relocation_list_for_metavariable context in
+ metasenv', Cic.Meta (idx, irl)
+ | Cic.Implicit (Some `Closed) ->
+ let (metasenv', idx) = mk_implicit metasenv [] in
+ metasenv', Cic.Meta (idx, [])
+ | Cic.Implicit None ->
let (metasenv', idx) = mk_implicit metasenv context in
let irl = identity_relocation_list_for_metavariable context in
metasenv', Cic.Meta (idx, irl)
List.fold_right
(fun (name, _, typ, _) (metasenv, types) ->
let new_metasenv, new_type = aux metasenv context typ in
-prerr_endline ("UH? " ^ CicPp.ppterm typ ^ " ==> " ^ CicPp.ppterm new_type) ;
(new_metasenv, (name, new_type) :: types))
funs (metasenv, [])
in