exception ListTooShort;;
exception RelToHiddenHypothesis;;
+(*CSC: must alfa-conversion be considered or not? *)
+
let xxx_type_of_aux' m c t =
try
Some (fst (CicTypeChecker.type_of_aux' m c t CicUniv.empty_ugraph))
function
C.Rel m when m = n -> false
| C.Rel _
+(* FG/CSC: maybe we assume the meta is guarded so we do not recur on its *)
+(* explicit subsitutions (copied from the kernel) ??? *)
| C.Meta _
| C.Sort _
| C.Implicit _ -> true
| C.Lambda (name,so,dest) ->
does_not_occur n so &&
does_not_occur (n + 1) dest
- | C.LetIn (name,so,dest) ->
+ | C.LetIn (name,so,ty,dest) ->
does_not_occur n so &&
- does_not_occur (n + 1) dest
+ does_not_occur n ty &&
+ does_not_occur (n + 1) dest
| C.Appl l ->
List.fold_right (fun x i -> i && does_not_occur n x) l true
| C.Var (_,exp_named_subst)
C.Prod (n, beta_reduce s, beta_reduce t)
| C.Lambda (n,s,t) ->
C.Lambda (n, beta_reduce s, beta_reduce t)
- | C.LetIn (n,s,t) ->
- C.LetIn (n, beta_reduce s, beta_reduce t)
+ | C.LetIn (n,s,ty,t) ->
+ C.LetIn (n, beta_reduce s, beta_reduce ty, beta_reduce t)
| C.Appl ((C.Lambda (name,s,t))::he::tl) ->
let he' = S.subst he t in
if tl = [] then
C.CoFix (i,fl')
;;
-(* syntactic_equality up to the *)
-(* distinction between fake dependent products *)
-(* and non-dependent products, alfa-conversion *)
-(*CSC: must alfa-conversion be considered or not? *)
-let syntactic_equality t t' =
- let module C = Cic in
- let rec syntactic_equality t t' =
- if t = t' then true
- else
- match t, t' with
- C.Var (uri,exp_named_subst), C.Var (uri',exp_named_subst') ->
- UriManager.eq uri uri' &&
- syntactic_equality_exp_named_subst exp_named_subst exp_named_subst'
- | C.Cast (te,ty), C.Cast (te',ty') ->
- syntactic_equality te te' &&
- syntactic_equality ty ty'
- | C.Prod (_,s,t), C.Prod (_,s',t') ->
- syntactic_equality s s' &&
- syntactic_equality t t'
- | C.Lambda (_,s,t), C.Lambda (_,s',t') ->
- syntactic_equality s s' &&
- syntactic_equality t t'
- | C.LetIn (_,s,t), C.LetIn(_,s',t') ->
- syntactic_equality s s' &&
- syntactic_equality t t'
- | C.Appl l, C.Appl l' ->
- List.fold_left2 (fun b t1 t2 -> b && syntactic_equality t1 t2) true l l'
- | C.Const (uri,exp_named_subst), C.Const (uri',exp_named_subst') ->
- UriManager.eq uri uri' &&
- syntactic_equality_exp_named_subst exp_named_subst exp_named_subst'
- | C.MutInd (uri,i,exp_named_subst), C.MutInd (uri',i',exp_named_subst') ->
- UriManager.eq uri uri' && i = i' &&
- syntactic_equality_exp_named_subst exp_named_subst exp_named_subst'
- | C.MutConstruct (uri,i,j,exp_named_subst),
- C.MutConstruct (uri',i',j',exp_named_subst') ->
- UriManager.eq uri uri' && i = i' && j = j' &&
- syntactic_equality_exp_named_subst exp_named_subst exp_named_subst'
- | C.MutCase (sp,i,outt,t,pl), C.MutCase (sp',i',outt',t',pl') ->
- UriManager.eq sp sp' && i = i' &&
- syntactic_equality outt outt' &&
- syntactic_equality t t' &&
- List.fold_left2
- (fun b t1 t2 -> b && syntactic_equality t1 t2) true pl pl'
- | C.Fix (i,fl), C.Fix (i',fl') ->
- i = i' &&
- List.fold_left2
- (fun b (_,i,ty,bo) (_,i',ty',bo') ->
- b && i = i' &&
- syntactic_equality ty ty' &&
- syntactic_equality bo bo') true fl fl'
- | C.CoFix (i,fl), C.CoFix (i',fl') ->
- i = i' &&
- List.fold_left2
- (fun b (_,ty,bo) (_,ty',bo') ->
- b &&
- syntactic_equality ty ty' &&
- syntactic_equality bo bo') true fl fl'
- | _, _ -> false (* we already know that t != t' *)
- and syntactic_equality_exp_named_subst exp_named_subst1 exp_named_subst2 =
- List.fold_left2
- (fun b (_,t1) (_,t2) -> b && syntactic_equality t1 t2) true
- exp_named_subst1 exp_named_subst2
- in
- try
- syntactic_equality t t'
- with
- _ -> false
-;;
-
let rec split l n =
match (l,n) with
(l,0) -> ([], l)
let pack_coercion = ref (fun _ _ _ -> assert false);;
+let profiler_for_find = HExtlib.profile "CicHash ADD" ;;
+
+let cic_CicHash_add a b c =
+ profiler_for_find.HExtlib.profile (Cic.CicHash.add a b) c
+;;
+
+let profiler_for_find1 = HExtlib.profile "CicHash MEM" ;;
+
+let cic_CicHash_mem a b =
+ profiler_for_find1.HExtlib.profile (Cic.CicHash.mem a) b
+;;
+
(* type_of_aux' is just another name (with a different scope) for type_of_aux *)
let rec type_of_aux' subterms_to_types metasenv context t expectedty =
(* Coscoy's double type-inference algorithm *)
(try
match List.nth context (n - 1) with
Some (_,C.Decl t) -> S.lift n t
- | 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
+ | Some (_,C.Def (_,ty)) -> S.lift n ty
+ | None -> raise RelToHiddenHypothesis
with
_ -> raise (NotWellTyped "Not a close term")
)
[] -> []
| (Some (n,C.Decl t))::tl ->
(Some (n,C.Decl (S.subst_meta l (S.lift i t))))::(aux (i+1) tl)
- | (Some (n,C.Def (t,None)))::tl ->
- (Some (n,C.Def ((S.subst_meta l (S.lift i t)),None)))::
- (aux (i+1) tl)
+ | (Some (n,C.Def (t,ty)))::tl ->
+ (Some (n,
+ C.Def
+ ((S.subst_meta l (S.lift i t)),S.subst_meta l (S.lift i t))))::
+ (aux (i+1) tl)
| None::tl -> None::(aux (i+1) tl)
- | (Some (_,C.Def (_,Some _)))::_ -> assert false
in
aux 1 canonical_context
in
in
(* Checks suppressed *)
C.Prod (n,s,type2)
- | C.LetIn (n,s,t) ->
+ | C.LetIn (n,s,ty,t) ->
(*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 ty = type_of_aux context s None in
+ let _ = type_of_aux context ty None in
+ let _ = type_of_aux context s (Some ty) in
let t_typ =
(* Checks suppressed *)
- type_of_aux ((Some (n,(C.Def (s,Some ty))))::context) t None
+ type_of_aux ((Some (n,(C.Def (s,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 None) t_typ
else
- C.LetIn (n,s,t_typ)
+ C.LetIn (n,s,ty,t_typ)
| C.Appl (he::tl) when List.length tl > 0 ->
(*
let expected_hetype =
None ->
(* No expected type *)
{synthesized = synthesized' ; expected = None}, synthesized
- | Some ty when syntactic_equality synthesized' ty ->
+ | Some ty when CicUtil.alpha_equivalence synthesized' ty ->
(* The expected type is synthactically equal to *)
(* the synthesized type. Let's forget it. *)
{synthesized = synthesized' ; expected = None}, synthesized
{synthesized = synthesized' ; expected = Some expectedty'},
expectedty'
in
- assert (not (Cic.CicHash.mem subterms_to_types t));
- Cic.CicHash.add subterms_to_types t types ;
+(* assert (not (cic_CicHash_mem subterms_to_types t));*)
+ cic_CicHash_add subterms_to_types t types ;
res
and visit_exp_named_subst context uri exp_named_subst =
in
let rec check uris_and_types subst =
match uris_and_types,subst with
- _,[] -> []
+ _,[] -> ()
| (uri,ty)::tytl,(uri',t)::substtl when uri = uri' ->
ignore (type_of_aux context t (Some ty)) ;
let tytl' =
projects / helm.git / blobdiff