+let forward_infer_step s t ty =
+ let bag = P.bag_of_state s in
+ let bag,clause = P.mk_passive bag (t,ty) in
+ if Terms.is_eq_clause clause then
+ P.forward_infer_step (P.replace_bag s bag) clause 0
+ else (debug (lazy "not eq"); s)
+;;
+
+let index_obj s uri =
+ let obj = NCicEnvironment.get_checked_obj uri in
+ debug (lazy ("indexing : " ^ (NUri.string_of_uri uri)));
+ debug (lazy ("no : " ^ (string_of_int (fst (Obj.magic uri)))));
+ match obj with
+ | (_,_,[],[],NCic.Constant(_,_,None,ty,_)) ->
+ let nref = NReference.reference_of_spec uri NReference.Decl in
+ forward_infer_step s (NCic.Const nref) ty
+ | (_,d,[],[],NCic.Constant(_,_,Some(_),ty,_)) ->
+ let nref = NReference.reference_of_spec uri (NReference.Def d) in
+ forward_infer_step s (NCic.Const nref) ty
+ | _ -> s
+;;
+
+let demod rdb metasenv subst context s goal =
+ (* let stamp = Unix.gettimeofday () in *)
+ match P.demod s goal with
+ | P.Error _ | P.GaveUp | P.Timeout _ -> []
+ | P.Unsatisfiable solutions ->
+ (* print (lazy (Printf.sprintf "Got solutions in %fs"
+ (Unix.gettimeofday() -. stamp))); *)
+ List.map (readback ~demod:true rdb metasenv subst context) solutions
+;;
+
+let paramod rdb metasenv subst context s goal =
+ (* let stamp = Unix.gettimeofday () in *)
+ match P.nparamod ~useage:true ~max_steps:max_int
+ ~timeout:(Unix.gettimeofday () +. 300.0) s goal with
+ | P.Error _ | P.GaveUp | P.Timeout _ -> []
+ | P.Unsatisfiable solutions ->
+ (* print (lazy (Printf.sprintf "Got solutions in %fs"
+ (Unix.gettimeofday() -. stamp))); *)
+ List.map (readback rdb metasenv subst context) solutions
+;;
+
+let fast_eq_check rdb metasenv subst context s goal =
+ (* let stamp = Unix.gettimeofday () in *)
+ match P.fast_eq_check s goal with
+ | P.Error _ | P.GaveUp | P.Timeout _ -> []
+ | P.Unsatisfiable solutions ->
+ (* print (lazy (Printf.sprintf "Got solutions in %fs"
+ (Unix.gettimeofday() -. stamp))); *)
+ List.map (readback rdb metasenv subst context) solutions
+;;
+
+let is_equation metasenv subst context ty =
+ let hty, _, _ =
+ NCicMetaSubst.saturate ~delta:0 metasenv subst context
+ ty 0
+ in match hty with
+ | NCic.Appl (eq ::tl) when eq = CB.eqP -> true
+ | _ -> false
+;;
+
+
+(*
+let demodulate rdb metasenv subst context s goal =
+ (* let stamp = Unix.gettimeofday () in *)
+ match P.fast_eq_check s goal with
+ | P.Error _ | P.GaveUp | P.Timeout _ -> []
+ | P.Unsatisfiable solutions ->
+ (* print (lazy (Printf.sprintf "Got solutions in %fs"
+ (Unix.gettimeofday() -. stamp))); *)
+ List.map (readback rdb metasenv subst context) solutions
+;;
+*)