(* returns the identity relocation list, which is the list [1 ; ... ; n] *)
(* where n = List.length [canonical_context] *)
(*CSC: ma mi basta la lunghezza del contesto canonico!!!*)
-let identity_relocation_list_for_metavariable canonical_context =
+let identity_relocation_list_for_metavariable ?(start = 1) canonical_context =
let canonical_context_length = List.length canonical_context in
let rec aux =
function
| (n,None::tl) -> None::(aux ((n+1),tl))
| (n,_::tl) -> (Some (Cic.Rel n))::(aux ((n+1),tl))
in
- aux (1,canonical_context)
+ aux (start,canonical_context)
(* Returns the first meta whose number is above the *)
(* number of the higher meta. *)
let mk_implicit 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);
+ ([ newmeta, [], Cic.Sort Cic.Type ;
+ 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
+ ([ newmeta, [], Cic.Sort Cic.Type ;
+ newmeta + 1, context, Cic.Meta (newmeta, []) ] @metasenv,
+ newmeta + 1)
+
+let mk_implicit_sort metasenv =
+ let newmeta = new_meta metasenv in
+ ([ newmeta, [], Cic.Sort Cic.Type] @ metasenv, newmeta)
+
let n_fresh_metas metasenv context n =
if n = 0 then metasenv, []
else
(uri,Cic.Meta(newmeta+2,irl))::l in
aux newmeta uris
-let mk_implicit' metasenv context =
- let (metasenv, index) = mk_implicit metasenv context in
- (metasenv, index - 1, index)
-
-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 ->
- let (metasenv', type_index, _) = mk_implicit' metasenv context in
+ | 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 (type_index, irl)
+ metasenv', Cic.Meta (idx, irl)
| Cic.Cast (te, ty) ->
let metasenv', ty' = aux metasenv context ty in
let metasenv'', te' = aux metasenv' context te in
(new_metasenv, (name, new_type) :: types))
funs (metasenv, [])
in
-List.iter (fun (_, t) -> assert (t <> Cic.Implicit)) types;
let context' =
(List.rev_map
(fun (name, t) -> Some (Cic.Name name, Cic.Decl t))