* auto_tac removed (it can be found in CVS)

[helm.git] / helm / ocaml / tactics / metadataQuery.ml

diff --git a/helm/ocaml/tactics/metadataQuery.ml b/helm/ocaml/tactics/metadataQuery.ml
index fab96475cc93604bc0bcd1dc70a8ef82d1865a47..a3e774d1d84e46f7345392f81780cc212d229732 100644 (file)
--- a/helm/ocaml/tactics/metadataQuery.ml
+++ b/helm/ocaml/tactics/metadataQuery.ml
@@ -176,65 +176,6 @@ let compare_goal_list proof goal1 goal2 =
   in
   prop1 - prop2
 
-let hint ~(dbd:Mysql.dbd) ?(facts=false) ?signature ((proof, goal) as status) =
-  let (_, metasenv, _, _) = proof in
-  let (_, context, ty) = CicUtil.lookup_meta goal metasenv in
-  let (uris, (main, sig_constants)) =
-    match signature with
-    | Some signature -> (Constr.sigmatch ~dbd ~facts signature, signature)
-    | None -> (Constr.cmatch' ~dbd ~facts ty, Constr.signature_of ty)
-  in
-  let uris = List.filter nonvar (List.map snd uris) in
-  let uris = List.filter Hashtbl_equiv.not_a_duplicate uris in
-  let types_constants =
-    match main with
-    | None -> Constr.UriManagerSet.empty
-    | Some (main, types) ->
-        List.fold_right Constr.UriManagerSet.add (main :: types)
-          Constr.UriManagerSet.empty
-  in
-  let hyp_constants =
-    Constr.UriManagerSet.diff (signature_of_hypothesis context) types_constants
-  in
-(* Constr.UriManagerSet.iter debug_print hyp_constants; *)
-  let other_constants = Constr.UriManagerSet.union sig_constants hyp_constants in
-  let uris = 
-    let pow = 2 ** (Constr.UriManagerSet.cardinal other_constants) in
-    if ((List.length uris < pow) or (pow <= 0))
-    then begin
-(*       debug_print "MetadataQuery: large sig, falling back to old method"; *)
-      filter_uris_forward ~dbd (main, other_constants) uris
-    end else
-      filter_uris_backward ~dbd ~facts (main, other_constants) uris
-  in
-  let rec aux = function
-    | [] -> []
-    | uri :: tl ->
-        (let status' =
-            try
-              let (proof, goal_list) =
-(*                debug_print ("STO APPLICANDO " ^ uri); *)
-               PET.apply_tactic
-                  (PrimitiveTactics.apply_tac
-                   ~term:(CicUtil.term_of_uri uri))
-                  status
-              in
-              let goal_list =
-                List.stable_sort (compare_goal_list proof) goal_list
-              in
-              Some (uri, (proof, goal_list))
-            with ProofEngineTypes.Fail _ -> None
-          in
-          match status' with
-          | None -> aux tl
-          | Some status' ->
-              status' :: aux tl)
-  in
-  List.stable_sort
-    (fun (_, (_, goals1)) (_, (_, goals2)) ->
-      Pervasives.compare (List.length goals1) (List.length goals2))
-    (aux uris)
-
 (* experimental_hint is a version of hint for experimental 
     purposes. It uses auto_tac_verbose instead of auto tac.
     Auto_tac verbose also returns a substitution - for the moment