X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Focaml%2Ftactics%2FproofEngineTypes.ml;h=9e92a076c47e46aa6a920d177127a09469df413a;hb=12cc5b2b8e7f7bb0b5e315094b008a293a4df6b1;hp=8d1def22ebd7bd360df377967a3bd85885fd0355;hpb=728734356fbb8f3d66fb022c8a97b464f8893be8;p=helm.git

diff --git a/helm/ocaml/tactics/proofEngineTypes.ml b/helm/ocaml/tactics/proofEngineTypes.ml
index 8d1def22e..9e92a076c 100644
--- a/helm/ocaml/tactics/proofEngineTypes.ml
+++ b/helm/ocaml/tactics/proofEngineTypes.ml
@@ -56,6 +56,10 @@ type tactic = status -> proof * goal list
   (** creates an opaque tactic from a status->proof*goal list function *)
 let mk_tactic t = t
 
+ (** what, hypothesis patterns, conclusion pattern *)
+type pattern = Cic.term option * (string * Cic.term) list * Cic.term
+let conclusion_pattern t = t,[],Cic.Implicit (Some `Hole)
+
   (** tactic failure *)
 exception Fail of string
 
@@ -64,10 +68,7 @@ exception Fail of string
     universe graph if the tactic Fails
   *)
 let apply_tactic t status = 
-  let saved_univ = CicUniv.get_working() in
-  try 
-    t status
-  with Fail s -> CicUniv.set_working saved_univ; raise (Fail s)
+  t status
 
   (** constraint: the returned value will always be constructed by Cic.Name **)
 type mk_fresh_name_type =