X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fsoftware%2Fcomponents%2Ftactics%2FreductionTactics.ml;h=3afef8eede4884141ab3c23aab3f79e73a842d61;hb=e1f0bb910f75b8b21f2c5e394ebb4c5a63ef4945;hp=5afc672695733cada18b7335705e1d360bec515b;hpb=acc9067d3263ffced81c52539f918d47d418d5c7;p=helm.git

diff --git a/helm/software/components/tactics/reductionTactics.ml b/helm/software/components/tactics/reductionTactics.ml
index 5afc67269..3afef8eed 100644
--- a/helm/software/components/tactics/reductionTactics.ml
+++ b/helm/software/components/tactics/reductionTactics.ml
@@ -30,7 +30,7 @@ open ProofEngineTypes
 (* Note: this code is almost identical to change_tac and
 *  it could be unified by making the change function a callback *)
 let reduction_tac ~reduction ~pattern (proof,goal) =
-  let curi,metasenv,pbo,pty, attrs = proof in
+  let curi,metasenv,_subst,pbo,pty, attrs = proof in
   let (metano,context,ty) as conjecture = CicUtil.lookup_meta goal metasenv in
   let change subst where terms metasenv ugraph =
    if terms = [] then where, metasenv, ugraph
@@ -88,7 +88,7 @@ let reduction_tac ~reduction ~pattern (proof,goal) =
       | _ as t -> t
     ) metasenv
   in
-  (curi,metasenv',pbo,pty, attrs), [metano]
+  (curi,metasenv',_subst,pbo,pty, attrs), [metano]
 ;;
 
 let simpl_tac ~pattern =
@@ -119,11 +119,6 @@ let normalize_tac ~pattern =
   ~reduction:(const_lazy_reduction CicReduction.normalize) ~pattern)
 
 let head_beta_reduce_tac ?delta ?upto ~pattern =
- begin match upto with
-    | Some upto -> 
-         HLog.warn (Printf.sprintf "inside head_beta_reduce_tac %i" upto)
-    | None -> HLog.warn (Printf.sprintf "inside head_beta_reduce_tac none")
- end;
  mk_tactic (reduction_tac
   ~reduction:
     (const_lazy_reduction
@@ -142,7 +137,7 @@ exception NotConvertible
         term(s) to be replaced. *)
 let change_tac ~pattern with_what  =
  let change_tac ~pattern ~with_what (proof, goal) =
-  let curi,metasenv,pbo,pty, attrs = proof in
+  let curi,metasenv,_subst,pbo,pty, attrs = proof in
   let (metano,context,ty) as conjecture = CicUtil.lookup_meta goal metasenv in
   let change subst where terms metasenv ugraph =
    if terms = [] then where, metasenv, ugraph
@@ -211,7 +206,7 @@ let change_tac ~pattern with_what  =
         | _ as t -> t)
       metasenv
   in
-  (curi,metasenv',pbo,pty, attrs), [metano]
+  (curi,metasenv',_subst,pbo,pty, attrs), [metano]
   in
     mk_tactic (change_tac ~pattern ~with_what)