exception ListTooShort;;
exception RelToHiddenHypothesis;;
-let syntactic_equality_add_time = ref 0.0;;
-let type_of_aux'_add_time = ref 0.0;;
-let number_new_type_of_aux'_double_work = ref 0;;
-let number_new_type_of_aux' = ref 0;;
-let number_new_type_of_aux'_prop = ref 0;;
-
-let double_work = ref 0;;
-
let xxx_type_of_aux' m c t =
- let t1 = Sys.time () in
- let res,_ = CicTypeChecker.type_of_aux' m c t CicUniv.empty_ugraph in
- let t2 = Sys.time () in
- type_of_aux'_add_time := !type_of_aux'_add_time +. t2 -. t1 ;
- res
+ try
+ Some (fst (CicTypeChecker.type_of_aux' m c t CicUniv.empty_ugraph))
+ with
+ | CicTypeChecker.TypeCheckerFailure _ -> None (* because eta_expansion *)
;;
type types = {synthesized : Cic.term ; expected : Cic.term option};;
_ -> false
;;
-let xxx_syntactic_equality t t' =
- let t1 = Sys.time () in
- let res = syntactic_equality t t' in
- let t2 = Sys.time () in
- syntactic_equality_add_time := !syntactic_equality_add_time +. t2 -. t1 ;
- res
-;;
-
-
let rec split l n =
match (l,n) with
(l,0) -> ([], l)
_,None -> ()
| Some t,Some (_,C.Def (ct,_)) ->
let expected_type =
- R.whd context
- (xxx_type_of_aux' metasenv context ct)
+ match xxx_type_of_aux' metasenv context ct with
+ | None -> None
+ | Some t -> Some (R.whd context t)
in
(* Maybe I am a bit too paranoid, because *)
(* if the term is well-typed than t and ct *)
(* are convertible. Nevertheless, I compute *)
(* the expected type. *)
- ignore (type_of_aux context t (Some expected_type))
+ ignore (type_of_aux context t expected_type)
| Some t,Some (_,C.Decl ct) ->
ignore (type_of_aux context t (Some ct))
| _,_ -> assert false (* the term is not well typed!!! *)
in
let (parameters, arguments,exp_named_subst) =
let type_of_term =
- xxx_type_of_aux' metasenv context term
+ match xxx_type_of_aux' metasenv context term with
+ | None -> None
+ | Some t -> Some (beta_reduce t)
in
match
- R.whd context (type_of_aux context term
- (Some (beta_reduce type_of_term)))
+ R.whd context (type_of_aux context term type_of_term)
with
(*CSC manca il caso dei CAST *)
C.MutInd (uri',i',exp_named_subst) ->
(C.Appl (C.MutConstruct (uri,i,j,exp_named_subst)::parameters))
in
let expectedtype =
- type_of_branch context parsno need_dummy outtype cons
- (xxx_type_of_aux' metasenv context cons)
+ match xxx_type_of_aux' metasenv context cons with
+ | None -> None
+ | Some t ->
+ Some
+ (beta_reduce
+ (type_of_branch context parsno need_dummy outtype
+ cons t))
in
- ignore (type_of_aux context p
- (Some (beta_reduce expectedtype))) ;
+ ignore (type_of_aux context p expectedtype);
j+1
) 1 (List.combine pl cl)
in
None ->
(* No expected type *)
{synthesized = synthesized' ; expected = None}, synthesized
- | Some ty when xxx_syntactic_equality synthesized' ty ->
+ | Some ty when syntactic_equality synthesized' ty ->
(* The expected type is synthactically equal to *)
(* the synthesized type. Let's forget it. *)
{synthesized = synthesized' ; expected = None}, synthesized