X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fsoftware%2Fcomponents%2Fgrafite_engine%2FgrafiteEngine.ml;h=71ac2939a7c8d6a7ab94c17a584871c19ec6eabc;hb=fcbe3e8f67fa42c84a57e343ba5ef6a97ba8ca67;hp=1b6878aba1414bb619b525c40a28155402ab6a7e;hpb=58ed5ecaefbcb025dedfdf709e6023292559e44a;p=helm.git

diff --git a/helm/software/components/grafite_engine/grafiteEngine.ml b/helm/software/components/grafite_engine/grafiteEngine.ml
index 1b6878aba..71ac2939a 100644
--- a/helm/software/components/grafite_engine/grafiteEngine.ml
+++ b/helm/software/components/grafite_engine/grafiteEngine.ml
@@ -533,9 +533,12 @@ let index_obj_for_auto status (uri, height, _, _, kind) =
   match kind with
   | NCic.Fixpoint _ -> []
   | NCic.Inductive _ -> []
-  | NCic.Constant (_,_,_, ty, _) ->
-      let ty = (* saturare *) ty in
+  | NCic.Constant (_,_,Some _, ty, _) ->
+     let ty,_,_ = NCicMetaSubst.saturate [] [] [] ty 0 in
       [ty,NCic.Const(NReference.reference_of_spec uri (NReference.Def height))]
+  | NCic.Constant (_,_,None, ty, _) ->
+     let ty,_,_ = NCicMetaSubst.saturate [] [] [] ty 0 in
+      [ty,NCic.Const(NReference.reference_of_spec uri (NReference.Decl))]
  in
  let status = basic_index_obj data status in
  let dump = record_index_obj data :: status#dump in
@@ -826,7 +829,29 @@ let rec eval_ncommand opts status (text,prefix_len,cmd) =
                | NCicTypeChecker.TypeCheckerFailure _ ->
                   HLog.warn "error in generating projection/eliminator";
                   status,uris
-             ) (status,`New [] (* uris *)) boxml in
+             ) (status,`New [] (* uris *)) boxml in             
+           let _,_,_,_,nobj = obj in 
+           let status = match nobj with
+               NCic.Inductive (true,leftno,[it],_) ->
+                 let _,ind_name,ty,cl = it in
+                 List.fold_left 
+                   (fun status outsort ->
+                      let status = status#set_ng_mode `ProofMode in
+                      try
+                       (let status,invobj = NInversion.mk_inverter 
+                                      (ind_name ^ "_inv_" ^ (snd (NCicElim.ast_of_sort outsort))) 
+                                      it leftno outsort status status#baseuri in
+                       let _,_,menv,_,_ = invobj in
+                       fst (match menv with
+                             [] -> eval_ncommand opts status ("",0,GrafiteAst.NQed Stdpp.dummy_loc)
+                           | _ -> status,`New []))
+                      with _ -> HLog.warn "error in generating inversion principle"; 
+                                let status = status#set_ng_mode `CommandMode in status)
+                  status
+                  (NCic.Prop::
+                    List.map (fun s -> NCic.Type s) (NCicEnvironment.get_universes ()))
+              | _ -> status
+           in
            let coercions =
             match obj with
               _,_,_,_,NCic.Inductive