X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;ds=sidebyside;f=helm%2Focaml%2Ftactics%2FequalityTactics.ml;h=a14a418bf5326808d8569b40e15b121468f0ab4b;hb=f981a524748846acc29b76b6e616af110b4ee13d;hp=7eae7fb5c0ee402d0761dd39df7fe4050d7ad4ce;hpb=016e4c6fc449b50ac19e73eb952cfb2dc64f4398;p=helm.git

diff --git a/helm/ocaml/tactics/equalityTactics.ml b/helm/ocaml/tactics/equalityTactics.ml
index 7eae7fb5c..a14a418bf 100644
--- a/helm/ocaml/tactics/equalityTactics.ml
+++ b/helm/ocaml/tactics/equalityTactics.ml
@@ -103,11 +103,9 @@ let rewrite_tac ~direction ~pattern equality =
       (PT.exact_tac ~term:exact_proof) ((curi,metasenv',pbo,pty),goal)
   in
   assert (List.length goals = 0) ;
-  let goals = List.map (fun (i,_,_) -> i) metasenv' in
   let goals =
-   List.filter
-    (fun i ->
-      not (List.exists (fun (j,_,_) -> i=j) metasenv)) goals
+   ProofEngineHelpers.compare_metasenvs ~oldmetasenv:metasenv
+    ~newmetasenv:metasenv'
   in
    (proof',goals)
  in
@@ -128,19 +126,24 @@ let rewrite_simpl_tac ~direction ~pattern equality =
 ;;
 
 let replace_tac ~pattern ~with_what =
-(*
  let replace_tac ~pattern:(wanted,hyps_pat,concl_pat) ~with_what status =
   let (proof, goal) = status in
   let module C = Cic in
   let module U = UriManager in
   let module P = PrimitiveTactics in
   let module T = Tacticals in
-  let _,metasenv,_,_ = proof in
+  let uri,metasenv,pbo,pty = proof in
   let (_,context,ty) as conjecture = CicUtil.lookup_meta goal metasenv in
   assert (hyps_pat = []); (*CSC: not implemented yet *)
   let context_len = List.length context in
-  let _,selected_terms_with_context =
-   ProofEngineHelpers.select ~metasenv ~conjecture ~pattern in
+  let subst,metasenv,u,_,selected_terms_with_context =
+   ProofEngineHelpers.select ~metasenv ~ugraph:CicUniv.empty_ugraph
+    ~conjecture ~pattern in
+  let metasenv = CicMetaSubst.apply_subst_metasenv subst metasenv in
+  let with_what = CicMetaSubst.apply_subst subst with_what in
+  let pbo = CicMetaSubst.apply_subst subst pbo in
+  let pty = CicMetaSubst.apply_subst subst pty in
+  let status = (uri,metasenv,pbo,pty),goal in
   let ty_of_with_what,u =
    CicTypeChecker.type_of_aux'
     metasenv context with_what CicUniv.empty_ugraph in
@@ -225,7 +228,6 @@ let replace_tac ~pattern ~with_what =
    aux 0 whats status
  in
    ProofEngineTypes.mk_tactic (replace_tac ~pattern ~with_what)
-*) assert false
 ;;