X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Focaml%2Ftactics%2FreductionTactics.ml;h=5a567b84aa75e6056814d845ea1a35e6d81a6120;hb=d651bf2e3d560e194fbe948dd950dd600a40eab6;hp=b29873a1fceae31c4521c231bfd503ce29b65585;hpb=bac72fcaa876137ab7a5630e0c1badc2a627dce8;p=helm.git

diff --git a/helm/ocaml/tactics/reductionTactics.ml b/helm/ocaml/tactics/reductionTactics.ml
index b29873a1f..5a567b84a 100644
--- a/helm/ocaml/tactics/reductionTactics.ml
+++ b/helm/ocaml/tactics/reductionTactics.ml
@@ -26,7 +26,7 @@
 (*
 let reduction_tac ~reduction ~status:(proof,goal) =
  let curi,metasenv,pbo,pty = proof in
- let metano,context,ty = List.find (function (m,_,_) -> m=goal) metasenv in
+ let metano,context,ty = CicUtil.lookup_meta goal metasenv in
   let new_ty = reduction context ty in
    let new_metasenv = 
     List.map
@@ -42,7 +42,7 @@ let reduction_tac ~reduction ~status:(proof,goal) =
 (* The default of term is the thesis of the goal to be prooved *)
 let reduction_tac ~also_in_hypotheses ~reduction ~terms ~status:(proof,goal) =
  let curi,metasenv,pbo,pty = proof in
- let metano,context,ty = List.find (function (m,_,_) -> m=goal) metasenv in
+ let metano,context,ty = CicUtil.lookup_meta goal metasenv in
   let terms =
    match terms with None -> [ty] | Some l -> l
   in
@@ -69,11 +69,12 @@ let reduction_tac ~also_in_hypotheses ~reduction ~terms ~status:(proof,goal) =
       List.fold_right
        (fun entry context ->
          match entry with
-            Some (name,Cic.Def  t) ->
-             (Some (name,Cic.Def  (replace context t)))::context
+            Some (name,Cic.Def (t,None)) ->
+             (Some (name,Cic.Def ((replace context t),None)))::context
           | Some (name,Cic.Decl t) ->
              (Some (name,Cic.Decl (replace context t)))::context
           | None -> None::context
+          | Some (_,Cic.Def (_,Some _)) -> assert false
        ) context []
      else
       context
@@ -94,7 +95,7 @@ let whd_tac = reduction_tac ~reduction:CicReduction.whd ;;
 
 let fold_tac ~reduction ~also_in_hypotheses ~term ~status:(proof,goal) =
  let curi,metasenv,pbo,pty = proof in
- let metano,context,ty = List.find (function (m,_,_) -> m=goal) metasenv in
+ let metano,context,ty = CicUtil.lookup_meta goal metasenv in
   let term' = reduction context term in
    (* We don't know if [term] is a subterm of [ty] or a subterm of *)
    (* the type of one metavariable. So we replace it everywhere.   *)
@@ -110,8 +111,9 @@ let fold_tac ~reduction ~also_in_hypotheses ~term ~status:(proof,goal) =
        List.map
         (function
             Some (n,Cic.Decl t) -> Some (n,Cic.Decl (replace t))
-          | Some (n,Cic.Def t)  -> Some (n,Cic.Def  (replace t))
+          | Some (n,Cic.Def (t,None))  -> Some (n,Cic.Def ((replace t),None))
           | None -> None
+          | Some (_,Cic.Def (_,Some _)) -> assert false
         ) context
       else
        context