(function () -> seed := 0)
;;
+exception NotSimilar
+let alpha t1 t2 ref ref' =
+ let rec aux t1 t2 = match t1,t2 with
+ | NCic.Rel n, NCic.Rel m when n=m -> ()
+ | NCic.Appl l1, NCic.Appl l2 -> List.iter2 aux l1 l2
+ | NCic.Lambda (_,s1,t1), NCic.Lambda (_,s2,t2)
+ | NCic.Prod (_,s1,t1), NCic.Prod (_,s2,t2) -> aux s1 s2; aux t1 t2
+ | NCic.LetIn (_,s1,ty1,t1), NCic.LetIn (_,s2,ty2,t2) ->
+ aux s1 s2; aux ty1 ty2; aux t1 t2
+ | NCic.Const r1,
+ NCic.Const r2 when NReference.eq r1 ref && NReference.eq r2 ref' -> ()
+ | NCic.Const r1, NCic.Const r2 when NReference.eq r1 r2 -> ()
+ | NCic.Meta _,NCic.Meta _ -> ()
+ | NCic.Implicit _,NCic.Implicit _ -> ()
+ | NCic.Sort x,NCic.Sort y when x=y -> ()
+ | NCic.Match (_,t1,t11,tl1), NCic.Match (_,t2,t22,tl2) ->
+ aux t1 t2;aux t11 t22;List.iter2 aux tl1 tl2
+ | _-> raise NotSimilar
+ in
+ try aux t1 t2; true with NotSimilar -> false
+;;
+
exception Found of NReference.reference;;
let cache = Hashtbl.create 313;;
-let same_obj =
+let same_obj ref ref' =
function
- (_,_,_,_,NCic.Fixpoint (_,(_,_,_,ty1,_)::_,_)),
- (_,_,_,_,NCic.Fixpoint (_,(_,_,_,ty2,_)::_,_))
- when ty1 = ty2 -> true
+ | (_,_,_,_,NCic.Fixpoint (_,l1,_)), (_,_,_,_,NCic.Fixpoint (_,l2,_))
+ when List.for_all2 (fun (_,_,_,ty1,bo1) (_,_,_,ty2,bo2) ->
+ alpha ty1 ty2 ref ref' && alpha bo1 bo2 ref ref') l1 l2 ->
+ true
| _ -> false
;;
let find_in_cache name obj ref =
try
List.iter
(function (ref',obj') ->
- let recno =
+ let recno, fixno =
match ref with
- NReference.Ref (_,_,NReference.Fix (_,recno)) -> recno
+ NReference.Ref (_,_,NReference.Fix (fixno,recno)) -> recno,fixno
| _ -> assert false in
- let recno' =
+ let recno',fixno' =
match ref' with
- NReference.Ref (_,_,NReference.Fix (_,recno)) -> recno
+ NReference.Ref (_,_,NReference.Fix (fixno',recno)) -> recno,fixno'
| _ -> assert false in
- if recno = recno' && same_obj (obj,obj') then (
-(* prerr_endline "!!!!!!!!!!! CACHE HIT !!!!!!!!!!"; *)
- raise (Found ref')
-);
+ if recno = recno' && fixno = fixno' && same_obj ref ref' (obj,obj') then (
+(*
+prerr_endline ("!!!!!!!!!!! CACHE HIT !!!!!!!!!!\n" ^
+NReference.string_of_reference ref ^ "\n" ^
+NReference.string_of_reference ref' ^ "\n");
+*)
+ raise (Found ref'));
+
(*
prerr_endline ("CACHE SAME NAME: " ^ NReference.string_of_reference ref ^ " <==> " ^ NReference.string_of_reference ref');
*)
+
) (Hashtbl.find_all cache name);
-(* prerr_endline "<<< CACHE MISS >>>"; *)
+(* prerr_endline "<<< CACHE MISS >>>"; *)
begin
match obj, ref with
| (_,_,_,_,NCic.Fixpoint (true,fl,_)) , NReference.Ref (x,y,NReference.Fix _) ->
(fun (name,ty,_) (bctx, fixpoints, tys, idx) ->
let ty, fixpoints_ty = aux true octx ctx n_fix uri ty in
let r = Ref.reference_of_ouri buri(Ref.CoFix idx) in
- Fix (r,name,ty) :: bctx, fixpoints_ty @ fixpoints,ty::tys,idx+1)
- fl ([], [], [], 0)
+ bctx @ [Fix (r,name,ty)], fixpoints_ty @ fixpoints,ty::tys,idx-1)
+ fl ([], [], [], List.length fl-1)
in
let bctx = bctx @ ctx in
let n_fl = List.length fl in
let r = (* recno is dummy here, must be lifted by the ctx len *)
Ref.reference_of_ouri buri (Ref.Fix (idx,recno))
in
- Fix (r,name,ty) :: bctx, fixpoints_ty@fixpoints,ty::tys,idx+1)
- fl ([], [], [], 0)
+ bctx @ [Fix (r,name,ty)], fixpoints_ty@fixpoints,ty::tys,idx-1)
+ fl ([], [], [], List.length fl-1)
in
let _, _, free_decls, _ = context_tassonomy (bad_bctx @ ctx) in
let bctx =
NCic.Fixpoint (true, fl, (`Generated, `Definition)) in
let r = Ref.reference_of_ouri buri (Ref.Fix (fixno,!rno_fixno)) in
let obj,r =
- let _,name,_,_,_ = List.hd fl in
+ let _,name,_,_,_ = List.nth fl fixno in
match find_in_cache name obj r with
Some r' -> [],r'
| None -> [obj],r