- | (subst,(proof, (goal,0)::_, _))::tl -> auto_new dbd tl
- | (subst,(proof, (((goal,depth)::gtl) as allg), sign))::tl ->
- let facts = (depth = 1) in
- let name,metasenv,p,statement = proof in
- let meta_inf =
- (try
- let (_, ey ,ty) = CicUtil.lookup_meta goal metasenv in
- Some (ey, ty)
- with _ -> None) in
- match meta_inf with
- Some (ey, ty) ->
- (* first of all we check if the goal has been already
- inspected *)
- let exitus =
- try Hashtbl.find inspected_goals ty
- with Not_found -> NotYetInspected in
- let is_meta_closed = CicUtil.is_meta_closed ty in
- begin
- match exitus with
- Yes (bo,_) ->
- (*
- prerr_endline "ALREADY PROVED!!!!!!!!!!!!!!!!!!!!!!!!!!!!";
- prerr_endline (CicPp.ppterm ty);
- *)
- let subst_in =
- (* if we just apply the subtitution, the type
- is irrelevant: we may use Implicit, since it will
- be dropped *)
- CicMetaSubst.apply_subst
- [(goal,(ey, bo, Cic.Implicit None))] in
- let (proof,_) =
- ProofEngineHelpers.subst_meta_and_metasenv_in_proof
- proof goal subst_in metasenv in
- let new_subst t = (subst_in (subst t)) in
- auto_new dbd ((new_subst,(proof,gtl,sign))::tl)
- | No d when (d >= depth) ->
- (*
- prerr_endline "PRUNED!!!!!!!!!!!!!!!!!!!!!!!!!!!!";
- *)
- auto_new dbd tl
-
- | No _
- | NotYetInspected ->
- (*
- prerr_endline ("CURRENT GOAL = " ^ (CicPp.ppterm ty));
- prerr_endline ("CURRENT PROOF = " ^ (CicPp.ppterm p));
- prerr_endline ("CURRENT HYP = " ^ (fst (print_context ey)));
- *)
- let sign, new_sign =
- if is_meta_closed then
- None, Some (MetadataConstraints.signature_of ty)
- else sign,sign in (* maybe the union ? *)
- let local_choices =
- new_search_theorems
- search_theorems_in_context
- proof goal (depth-1) subst new_sign in
- let global_choices =
- new_search_theorems
- (fun status ->
- List.map snd
- (MetadataQuery.experimental_hint
- ~dbd ~facts:facts ?signature:sign status))
- proof goal (depth-1) subst new_sign in
- let all_choices =
- local_choices@global_choices in
- (match (auto_new dbd all_choices)
- with
- [] ->
- (* no proof has been found; we update the
- hastable *)
- Hashtbl.add inspected_goals ty (No depth);
- auto_new dbd tl
- | (new_subst,(proof,[],_))::tl1 ->
- (* a proof for goal has been found:
- in order to get the proof we apply subst to
- Meta[goal] *)
- if is_meta_closed then
- begin
- let irl =
- CicMkImplicit.identity_relocation_list_for_metavariable ey in
- let meta_proof =
- new_subst (Cic.Meta(goal,irl)) in
- Hashtbl.add inspected_goals
- ty (Yes (meta_proof,depth));
- end;
- let all_choices =
- let gtl' = List.map fst gtl in
- if (gtl = [] || is_meta_closed) then
- (new_subst,(proof,gtl,sign))::tl
- else
- let tl2 =
- (List.map
- (function (f,(p,l,s))
- -> (f,(p,l@gtl,s))) tl1)
- in
- (new_subst,(proof,gtl,sign))::tl2@tl in
- auto_new dbd all_choices
- | _ -> assert false)
- end
- | None -> auto_new dbd ((subst,(proof,gtl,sign))::tl)
-;;
+ | (subst,(proof, (goal,0)::_, _))::tl ->
+ auto_new dbd width already_seen_goals universe tl
+ | (subst,(proof, goals, _))::tl when
+ (List.length goals) > width ->
+ auto_new dbd width already_seen_goals universe tl
+ | (subst,(proof, (goal,depth)::gtl, sign))::tl ->
+ let _,metasenv,p,_ = proof in
+ let (_, ey ,ty) = CicUtil.lookup_meta goal metasenv in
+ match (auto_single dbd proof goal ey ty depth
+ (width - (List.length gtl)) sign already_seen_goals) universe
+ with
+ [] -> auto_new dbd width already_seen_goals universe tl
+ | (local_subst,(proof,[],sign))::tl1 ->
+ let new_subst f t = f (subst t) in
+ let is_meta_closed = CicUtil.is_meta_closed ty in
+ let all_choices =
+ if is_meta_closed then
+ (new_subst local_subst,(proof,gtl,sign))::tl
+ else
+ let tl2 =
+ (List.map
+ (function (f,(p,l,s)) -> (new_subst f,(p,l@gtl,s))) tl1)
+ in
+ (new_subst local_subst,(proof,gtl,sign))::tl2@tl in
+ auto_new dbd width already_seen_goals universe all_choices
+ | _ -> assert false
+ ;;