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 in
+ let t2 = Sys.time () in
+ type_of_aux'_add_time := !type_of_aux'_add_time +. t2 -. t1 ;
+ res
+;;
+
type types = {synthesized : Cic.term ; expected : Cic.term option};;
(* does_not_occur n te *)
| C.Rel _
| C.Meta _
| C.Sort _
- | C.Implicit -> true
+ | C.Implicit _ -> true
| C.Cast (te,ty) ->
does_not_occur n te && does_not_occur n ty
| C.Prod (name,so,dest) ->
(function None -> None | Some t -> Some (head_beta_reduce t)) l
)
| C.Sort _ as t -> t
- | C.Implicit -> assert false
+ | C.Implicit _ -> assert false
| C.Cast (te,ty) ->
C.Cast (head_beta_reduce te, head_beta_reduce ty)
| C.Prod (n,s,t) ->
C.CoFix (i,fl')
;;
-(* syntactic_equality up to cookingsno for uris *)
-(* (which is often syntactically irrilevant), *)
+(* syntactic_equality up to the *)
(* distinction between fake dependent products *)
(* and non-dependent products, alfa-conversion *)
(*CSC: must alfa-conversion be considered or not? *)
_ -> 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)
(try
match List.nth context (n - 1) with
Some (_,C.Decl t) -> S.lift n t
- | Some (_,C.Def bo) -> type_of_aux context (S.lift n bo) expectedty
- | None -> raise RelToHiddenHypothesis
+ | Some (_,C.Def (_,Some ty)) -> S.lift n ty
+ | Some (_,C.Def (bo,None)) ->
+ type_of_aux context (S.lift n bo) expectedty
+ | None -> raise RelToHiddenHypothesis
with
_ -> raise (NotWellTyped "Not a close term")
)
[] -> []
| (Some (n,C.Decl t))::tl ->
(Some (n,C.Decl (S.lift_meta l (S.lift i t))))::(aux (i+1) tl)
- | (Some (n,C.Def t))::tl ->
- (Some (n,C.Def (S.lift_meta l (S.lift i t))))::(aux (i+1) tl)
+ | (Some (n,C.Def (t,None)))::tl ->
+ (Some (n,C.Def ((S.lift_meta l (S.lift i t)),None)))::
+ (aux (i+1) tl)
| None::tl -> None::(aux (i+1) tl)
+ | (Some (_,C.Def (_,Some _)))::_ -> assert false
in
aux 1 canonical_context
in
(fun t ct ->
match t,ct with
_,None -> ()
- | Some t,Some (_,C.Def ct) ->
+ | Some t,Some (_,C.Def (ct,_)) ->
let expected_type =
R.whd context
- (CicTypeChecker.type_of_aux' metasenv context ct)
+ (xxx_type_of_aux' metasenv context ct)
in
(* Maybe I am a bit too paranoid, because *)
(* if the term is well-typed than t and ct *)
in
(* Checks suppressed *)
CicSubstitution.lift_meta l ty
- | C.Sort s -> C.Sort C.Type (*CSC manca la gestione degli universi!!! *)
- | C.Implicit -> raise (Impossible 21)
+ | C.Sort (C.Type t) -> (* TASSI: CONSTRAINT *)
+ let t' = CicUniv.fresh() in
+ if not (CicUniv.add_gt t' t ) then
+ assert false (* t' is fresh! an error in CicUniv *)
+ else
+ C.Sort (C.Type t')
+ | C.Sort _ -> C.Sort (C.Type (CicUniv.fresh())) (* TASSI: CONSTRAINT *)
+ | C.Implicit _ -> raise (Impossible 21)
| C.Cast (te,ty) ->
(* Let's visit all the subterms that will not be visited later *)
let _ = type_of_aux context te (Some (head_beta_reduce ty)) in
sort_of_prod context (name,s) (sort1,sort2)
| C.Lambda (n,s,t) ->
(* Let's visit all the subterms that will not be visited later *)
- let _ = type_of_aux context s None in
+ let _ = type_of_aux context s None in
let expected_target_type =
match expectedty with
None -> None
| _ -> assert false
in
Some ty
- in
+ in
let type2 =
type_of_aux ((Some (n,(C.Decl s)))::context) t expected_target_type
in
(*CSC: What are the right expected types for the source and *)
(*CSC: target of a LetIn? None used. *)
(* Let's visit all the subterms that will not be visited later *)
- let _ = type_of_aux context s None in
+ let ty = type_of_aux context s None in
let t_typ =
(* Checks suppressed *)
- type_of_aux ((Some (n,(C.Def s)))::context) t None
- in
+ type_of_aux ((Some (n,(C.Def (s,Some ty))))::context) t None
+ in (* CicSubstitution.subst s t_typ *)
if does_not_occur 1 t_typ then
(* since [Rel 1] does not occur in typ, substituting any term *)
(* in place of [Rel 1] is equivalent to delifting once *)
- CicSubstitution.subst C.Implicit t_typ
+ CicSubstitution.subst (C.Implicit None) t_typ
else
C.LetIn (n,s,t_typ)
| C.Appl (he::tl) when List.length tl > 0 ->
+ (*
let expected_hetype =
(* Inefficient, the head is computed twice. But I know *)
- (* of no other solution. *)
+ (* of no other solution. *)
(head_beta_reduce
- (R.whd context (CicTypeChecker.type_of_aux' metasenv context he)))
- in
- let hetype = type_of_aux context he (Some expected_hetype) in
+ (R.whd context (xxx_type_of_aux' metasenv context he)))
+ in
+ let hetype = type_of_aux context he (Some expected_hetype) in
+ let tlbody_and_type =
+ let rec aux =
+ function
+ _,[] -> []
+ | C.Prod (n,s,t),he::tl ->
+ (he, type_of_aux context he (Some (head_beta_reduce s)))::
+ (aux (R.whd context (S.subst he t), tl))
+ | _ -> assert false
+ in
+ aux (expected_hetype, tl) *)
+ let hetype = R.whd context (type_of_aux context he None) in
let tlbody_and_type =
let rec aux =
function
(aux (R.whd context (S.subst he t), tl))
| _ -> assert false
in
- aux (expected_hetype, tl)
+ aux (hetype, tl)
in
eat_prods context hetype tlbody_and_type
| C.Appl _ -> raise (NotWellTyped "Appl: no arguments")
in
let (parameters, arguments,exp_named_subst) =
let type_of_term =
- CicTypeChecker.type_of_aux' metasenv context term
+ xxx_type_of_aux' metasenv context term
in
match
R.whd context (type_of_aux context term
in
let expectedtype =
type_of_branch context parsno need_dummy outtype cons
- (CicTypeChecker.type_of_aux' metasenv context cons)
+ (xxx_type_of_aux' metasenv context cons)
in
ignore (type_of_aux context p
(Some (head_beta_reduce expectedtype))) ;
None ->
(* No expected type *)
{synthesized = synthesized' ; expected = None}, synthesized
- | Some ty when syntactic_equality synthesized' ty ->
+ | Some ty when xxx_syntactic_equality synthesized' ty ->
(* The expected type is synthactically equal to *)
(* the synthesized type. Let's forget it. *)
{synthesized = synthesized' ; expected = None}, synthesized
let t1' = CicReduction.whd context t1 in
let t2' = CicReduction.whd ((Some (name,C.Decl s))::context) t2 in
match (t1', t2') with
- (C.Sort s1, C.Sort s2)
- when (s2 = C.Prop or s2 = C.Set) -> (* different from Coq manual!!! *)
+ (C.Sort _, C.Sort s2)
+ when (s2 = C.Prop or s2 = C.Set or s2 = C.CProp) ->
+ (* different from Coq manual!!! *)
C.Sort s2
- | (C.Sort s1, C.Sort s2) -> C.Sort C.Type (*CSC manca la gestione degli universi!!! *)
+ | (C.Sort (C.Type t1), C.Sort (C.Type t2)) ->
+ (* TASSI: CONSRTAINTS: the same in cictypechecker,cicrefine *)
+ let t' = CicUniv.fresh() in
+ if not (CicUniv.add_ge t' t1) || not (CicUniv.add_ge t' t2) then
+ assert false ; (* not possible, error in CicUniv *)
+ C.Sort (C.Type t')
+ | (C.Sort _,C.Sort (C.Type t1)) ->
+ (* TASSI: CONSRTAINTS: the same in cictypechecker,cicrefine *)
+ C.Sort (C.Type t1) (* c'e' bisogno di un fresh? *)
+ | (C.Meta _, C.Sort _) -> t2'
+ | (C.Meta _, (C.Meta (_,_) as t))
+ | (C.Sort _, (C.Meta (_,_) as t)) when CicUtil.is_closed t ->
+ t2'
| (_,_) ->
raise
(NotWellTyped
projects / helm.git / blobdiff