let pair t1 t2 = (NCic.Appl [dummy;t1;t2]) ;;
let index_hint hdb context t1 t2 =
+ assert (
+ (match t1 with
+ | NCic.Meta _ | NCic.Appl (NCic.Meta _ :: _) -> false | _ -> true)
+ &&
+ (match t2 with
+ | NCic.Meta _ | NCic.Appl (NCic.Meta _ :: _) -> false | _ -> true)
+ );
let pair' = pair t1 t2 in
let data =
List.fold_left
List.fold_left
(fun t (_,e) ->
match e with
- | NCic.Decl _ -> NCicSubstitution.subst (NCic.Meta (-1,(0,NCic.Irl 0))) t
+ | NCic.Decl _ ->
+ NCicSubstitution.subst (NCic.Meta (-1,(0,NCic.Irl 0))) t
| _ -> assert false)
pair' context in
- let _ = prerr_endline ("SONO PASSATO DI QUI") in
-
-(*
- prerr_endline ("INDEX:" ^
- NCicPp.ppterm ~metasenv:[] ~subst:[] ~context:[] src ^ " ===> " ^
- NCicPp.ppterm ~metasenv:[] ~subst:[] ~context:[] tgt ^ " := " ^
- NCicPp.ppterm ~metasenv:[] ~subst:[] ~context:[] c);
-*)
DB.index hdb src data
;;
let empty_db = DB.empty ;;
let db () =
- try let _,_,_,x,_,_ = NCicEnvironment.get_checked_def
+ let _,_,_,x,_,_ = NCicEnvironment.get_checked_def
(NReference.reference_of_string "cic:/matita/tests/pullback/xxx.def(0)")
in
- prerr_endline "iiiiiiiiiiiiiiiiii";
let rec decontextualize ctx = function
| NCic.Prod (n,s,t) -> decontextualize ((n,NCic.Decl s)::ctx) t
| t -> ctx, t
match (decontextualize [] x) with
| ctx, NCic.Appl [_;_;a;b] -> index_hint empty_db ctx a b
| _ -> assert false
- with exn -> prerr_endline ("PIPPO" ^ Printexc.to_string exn); empty_db
-
-(* List.fold_left
- (fun db (_,tgt,clist) ->
- List.fold_left
- (fun db (uri,_,arg) ->
- let c=fst (OCic2NCic.convert_term uri (CicUtil.term_of_uri uri)) in
- let arity = match tgt with | CoercDb.Fun i -> i | _ -> 0 in
- let src, tgt =
- let cty = NCicTypeChecker.typeof ~subst:[] ~metasenv:[] [] c in
- let scty, metasenv,_ =
- NCicMetaSubst.saturate ~delta:max_int [] [] [] cty (arity+1)
- in
- match scty with
- | NCic.Prod (_, src, tgt) ->
- let tgt =
- NCicSubstitution.subst (NCic.Meta (-1,(0,NCic.Irl 0))) tgt
- in
-(*
- prerr_endline (Printf.sprintf "indicizzo %s (%d) : %s ===> %s"
- (NCicPp.ppterm ~metasenv ~subst:[] ~context:[] scty) (arity+1)
- (NCicPp.ppterm ~metasenv ~subst:[] ~context:[] src)
- (NCicPp.ppterm ~metasenv ~subst:[] ~context:[] tgt));
-*)
- src, tgt
- | t ->
- prerr_endline (
- NCicPp.ppterm ~metasenv ~subst:[] ~context:[] t);
- assert false
- in
- index_coercion db c src tgt arity arg)
- db clist)
- (DB.empty,DB.empty) (CoercDb.to_list ())
- *)
;;
let look_for_hint hdb metasenv subst context t1 t2 =
-
- let candidates = DB.retrieve_unifiables hdb (pair t1 t2) in
- let res = List.map
- (fun ty ->
- let ty, metasenv, _ =
- NCicMetaSubst.saturate ~delta:max_int metasenv subst context ty 0
- in
- match ty with
- | NCic.Appl [_; t1; t2] ->
- prerr_endline ("candidate1: " ^ NCicPp.ppterm ~metasenv ~subst ~context t1);
- prerr_endline ("candidate2: " ^ NCicPp.ppterm ~metasenv ~subst ~context t2);
-
- metasenv, t1, t2
- | _ -> assert false)
- (HintSet.elements candidates)
+(*
+ prerr_endline ("KEY1: "^NCicPp.ppterm ~metasenv ~subst ~context (pair t1 t2));
+ prerr_endline ("KEY2: "^NCicPp.ppterm ~metasenv ~subst ~context (pair t2 t1));
+ DB.iter hdb
+ (fun p ds ->
+ prerr_endline ("ENTRY: " ^
+ NDiscriminationTree.NCicIndexable.string_of_path p ^ " |--> " ^
+ String.concat "|" (List.map (NCicPp.ppterm ~metasenv:[] ~subst:[]
+ ~context:[]) (HintSet.elements ds))));
+*)
+ let candidates1 = DB.retrieve_unifiables hdb (pair t1 t2) in
+ let candidates2 = DB.retrieve_unifiables hdb (pair t2 t1) in
+ let candidates1 =
+ List.map (fun ty ->
+ true,NCicMetaSubst.saturate ~delta:max_int metasenv subst context ty 0)
+ (HintSet.elements candidates1)
+ in
+ let candidates2 =
+ List.map (fun ty ->
+ false,NCicMetaSubst.saturate ~delta:max_int metasenv subst context ty 0)
+ (HintSet.elements candidates2)
in
- let _ = prerr_endline ("DENTRO RICERCA: " ^ (string_of_int (List.length res))) in
- res
+ List.map
+ (function
+ | (true,(NCic.Appl [_; t1; t2],metasenv,_)) -> metasenv, t1, t2
+ | (false,(NCic.Appl [_; t1; t2],metasenv,_)) -> metasenv, t2, t1
+ | _ -> assert false)
+ (candidates1 @ candidates2)
;;