X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=components%2Ftactics%2Fdeclarative.ml;h=b1b38a9492e76cb5526c24c870382696a5f50314;hb=b0612e00b2a905510439d9a6e8908497c1b74c61;hp=ef052cfcbec5e2db9394eb603978d8a3577e792e;hpb=346c502bf7c78629e75e49f8d9ca379144fdb5df;p=helm.git

diff --git a/components/tactics/declarative.ml b/components/tactics/declarative.ml
index ef052cfcb..b1b38a949 100644
--- a/components/tactics/declarative.ml
+++ b/components/tactics/declarative.ml
@@ -45,10 +45,10 @@ let suppose t id ty =
       (fun _ metasenv ugraph -> ty,metasenv,ugraph))
 ;;
 
-let by_term_we_proved ~dbd t ty id ty' =
+let by_term_we_proved ~dbd ~universe t ty id ty' =
  let just =
   match t with
-     None -> Tactics.auto ~dbd ~params:[]
+     None -> Tactics.auto ~dbd ~params:[] ~universe
    | Some t -> Tactics.apply t
  in
   match id with
@@ -59,7 +59,7 @@ let by_term_we_proved ~dbd t ty id ty' =
            Tacticals.then_
             ~start:(Tactics.change
               ~pattern:(ProofEngineTypes.conclusion_pattern None)
-              (fun _ metasenv ugraph -> ty',metasenv,ugraph))
+              (fun _ metasenv ugraph -> ty,metasenv,ugraph))
             ~continuation:just
       )
    | Some id ->
@@ -77,10 +77,10 @@ let by_term_we_proved ~dbd t ty id ty' =
         ~continuations:[ continuation ; just ]
 ;;
 
-let bydone ~dbd t =
+let bydone ~dbd ~universe t =
  let just =
   match t with
-     None -> Tactics.auto ~dbd ~params:[]
+     None -> Tactics.auto ~dbd ~params:[] ~universe
    | Some t -> Tactics.apply t
  in
   just
@@ -134,7 +134,7 @@ let existselim t id1 t1 id2 t2 =
 
 let andelim = existselim;;
 
-let rewritingstep ~dbd lhs rhs just conclude =
+let rewritingstep ~dbd ~universe lhs rhs just conclude =
  let aux ((proof,goal) as status) =
   let (curi,metasenv,proofbo,proofty) = proof in
   let _,context,_ = CicUtil.lookup_meta goal metasenv in
@@ -149,9 +149,8 @@ let rewritingstep ~dbd lhs rhs just conclude =
   let just =
    match just with
       None ->
-       Tactics.auto ~dbd
-        ~params:["paramodulation","1"; "timeout","3"]
-    | Some just -> Tactics.apply just
+       Tactics.auto ~dbd ~params:["paramodulation","1"; "timeout","3"] ~universe
+    | Some just -> Tactics.apply just 
   in
    match lhs with
       None ->
@@ -176,7 +175,9 @@ let rewritingstep ~dbd lhs rhs just conclude =
                 ~continuations:
                   [ Tactics.apply prhs ;
                     Tactics.apply (Cic.Rel 1) ;
-                    just]) status
+                    Tacticals.then_
+                     ~start:(Tactics.clear ~hyps:[last_hyp_name])
+                     ~continuation:just]) status
           | Some name ->
              let mk_fresh_name_callback =
 	      fun metasenv context _ ~typ ->
@@ -194,7 +195,9 @@ let rewritingstep ~dbd lhs rhs just conclude =
                       ~continuations:
                         [ Tactics.apply prhs ;
                           Tactics.apply (Cic.Rel 1) ;
-                          just]
+                          Tacticals.then_
+                           ~start:(Tactics.clear ~hyps:[last_hyp_name])
+                           ~continuation:just]
                    ]) status)
     | Some lhs ->
        match conclude with
@@ -238,10 +241,12 @@ let case id ~params =
 
 let thesisbecomes t =
 let ty = None in
- (*BUG here: missing check on t *)
  match ty with
-    None -> Tacticals.id_tac
+    None ->
+     Tactics.change ~pattern:(None,[],Some (Cic.Implicit (Some `Hole)))
+      (fun _ metasenv ugraph -> t,metasenv,ugraph)
   | Some ty ->
+     (*BUG here: missing check on t *)
      Tactics.change ~pattern:(None,[],Some (Cic.Implicit (Some `Hole)))
       (fun _ metasenv ugraph -> ty,metasenv,ugraph)
 ;;