X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Focaml%2Fcic_proof_checking%2FcicElim.ml;h=e3fca907dd562f494a479333400c33ef069f08b8;hb=7bbce6bc163892cfd99cfcda65db42001b86789f;hp=eecb0fae6a97826e037e8c150b14d3493a0d7c67;hpb=f263e4ec717d5ec2e7f9c057855f8223f81baae8;p=helm.git

diff --git a/helm/ocaml/cic_proof_checking/cicElim.ml b/helm/ocaml/cic_proof_checking/cicElim.ml
index eecb0fae6..e3fca907d 100644
--- a/helm/ocaml/cic_proof_checking/cicElim.ml
+++ b/helm/ocaml/cic_proof_checking/cicElim.ml
@@ -29,12 +29,14 @@ exception Elim_failure of string
 exception Can_t_eliminate
 
 let debug_print = fun _ -> ()
+(*let debug_print = prerr_endline *)
 
 let counter = ref ~-1 ;;
 
-let fresh_binder () =
+let fresh_binder () =  Cic.Name "matita_dummy"
+(*
  incr counter;
- Cic.Name ("e" ^ string_of_int !counter)
+ Cic.Name ("e" ^ string_of_int !counter) *)
 
   (** verifies if a given inductive type occurs in a term in target position *)
 let rec recursive uri typeno = function
@@ -319,9 +321,23 @@ let elim_of ?(sort = Cic.Type (CicUniv.fresh ())) uri typeno =
               (shift + 1,  b :: branches))
             constructors (1, [])
         in
+        let shiftno  = conslen + rightno + 2 + recshift in
+        let outtype =
+         if dependent then
+          Cic.Rel shiftno
+         else
+          let head =
+           if rightno = 0 then
+            CicSubstitution.lift 1 (Cic.Rel shiftno)
+           else
+            Cic.Appl
+             ((CicSubstitution.lift (rightno + 1) (Cic.Rel shiftno)) ::
+              mk_rels 1 rightno)
+          in
+           add_right_lambda true leftno shiftno 1 rightno indty head ty
+        in
         let mutcase =
-          Cic.MutCase (uri, typeno, Cic.Rel (conslen + rightno + 2 + recshift),
-            Cic.Rel 1, branches)
+          Cic.MutCase (uri, typeno, outtype, Cic.Rel 1, branches)
         in
         let body =
           if is_recursive then
@@ -353,6 +369,14 @@ let elim_of ?(sort = Cic.Type (CicUniv.fresh ())) uri typeno =
 (*
 debug_print (CicPp.ppterm eliminator_type);
 debug_print (CicPp.ppterm eliminator_body);
+*)
+      let eliminator_type = 
+	FreshNamesGenerator.mk_fresh_names [] [] [] eliminator_type in
+      let eliminator_body = 
+	FreshNamesGenerator.mk_fresh_names [] [] [] eliminator_body in
+(*
+debug_print (CicPp.ppterm eliminator_type);
+debug_print (CicPp.ppterm eliminator_body);
 *)
       let (computed_type, ugraph) =
         try