X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;ds=sidebyside;f=helm%2Fsoftware%2Flambda-delta%2Fsrc%2Fbasic_rg%2FbrgType.ml;h=f23da87d09fad4304838ccff99d8c5420756b5ae;hb=a5709dff43233c041f77a4ee4b7f2df1a3c51ab6;hp=5515e4404759f24793a5e45083f43904a361353a;hpb=39b42ed90bc74c8b6293842f1ac4aca60fc0c37e;p=helm.git

diff --git a/helm/software/lambda-delta/src/basic_rg/brgType.ml b/helm/software/lambda-delta/src/basic_rg/brgType.ml
index 5515e4404..f23da87d0 100644
--- a/helm/software/lambda-delta/src/basic_rg/brgType.ml
+++ b/helm/software/lambda-delta/src/basic_rg/brgType.ml
@@ -11,10 +11,11 @@
 
 module U  = NUri
 module C  = Cps
-module S  = Share
+module W  = Share
 module L  = Log
 module H  = Hierarchy
 module E  = Entity
+module N  = Level
 module B  = Brg
 module BE = BrgEnvironment
 module BS = BrgSubstitution
@@ -55,11 +56,12 @@ let assert_convertibility err f st m u w v =
 
 let assert_applicability err f st m u w v =
    match BR.xwhd st m u with 
-      | _, B.Sort _                 -> error1 err "not a function type" m u
-      | mu, B.Bind (_, B.Abst u, _) -> 
+      | _, B.Sort _                      ->
+         error1 err "not a function type" m u
+      | mu, B.Bind (_, B.Abst (_, u), _) -> 
          if BR.are_convertible st mu u m w then f () else
 	 error3 err m v w ~mu u
-      | _                         -> assert false (**)
+      | _                                -> assert false (**)
 
 let rec b_type_of err f st m x =
    log1 "Now checking" m x;
@@ -68,7 +70,7 @@ let rec b_type_of err f st m x =
       let h = H.apply h in f x (B.Sort (a, h)) 
    | B.LRef (_, i)           ->
       begin match BR.get m i with
-         | B.Abst w                  ->
+         | B.Abst (_, w)     ->
 	    f x (BS.lift (succ i) (0) w)
 	 | B.Abbr (B.Cast (_, w, _)) -> 
 	    f x (BS.lift (succ i) (0) w)
@@ -78,7 +80,7 @@ let rec b_type_of err f st m x =
       end
    | B.GRef (_, uri)         ->
       begin match BE.get_entity uri with
-         | _, _, E.Abst w                  -> f x w
+         | _, _, E.Abst (_, w)             -> f x w
 	 | _, _, E.Abbr (B.Cast (_, w, _)) -> f x w
 	 | _, _, E.Abbr _                  -> assert false
 	 | _, _, E.Void                    ->
@@ -86,7 +88,7 @@ let rec b_type_of err f st m x =
       end
    | B.Bind (a, B.Abbr v, t) ->
       let f xv xt tt =
-         f (S.sh2 v xv t xt x (B.bind_abbr a)) (B.bind_abbr a xv tt)
+         f (W.sh2 v xv t xt x (B.bind_abbr a)) (B.bind_abbr a xv tt)
       in
       let f xv m = b_type_of err (f xv) st m t in
       let f xv = f xv (BR.push m a (B.abbr xv)) in
@@ -95,29 +97,29 @@ let rec b_type_of err f st m x =
          | _        -> f (B.Cast ([], vv, xv))
       in
       type_of err f st m v
-   | B.Bind (a, B.Abst u, t) ->
+   | B.Bind (a, B.Abst (n, u), t) ->
       let f xu xt tt =
-	 f (S.sh2 u xu t xt x (B.bind_abst a)) (B.bind_abst a xu tt)
+	 f (W.sh2 u xu t xt x (B.bind_abst n a)) (B.bind_abst (N.pred n) a xu tt)
       in
       let f xu m = b_type_of err (f xu) st m t in
-      let f xu _ = f xu (BR.push m a (B.abst xu)) in
+      let f xu _ = f xu (BR.push m a (B.abst n xu)) in
       type_of err f st m u
    | B.Bind (a, B.Void, t)   ->
       let f xt tt = 
-         f (S.sh1 t xt x (B.bind_void a)) (B.bind_void a tt)
+         f (W.sh1 t xt x (B.bind_void a)) (B.bind_void a tt)
       in
       b_type_of err f st (BR.push m a B.Void) t
          
    | B.Appl (a, v, t)        ->
       let f xv vv xt tt = 
-         let f _ = f (S.sh2 v xv t xt x (B.appl a)) (B.appl a xv tt) in
+         let f _ = f (W.sh2 v xv t xt x (B.appl a)) (B.appl a xv tt) in
          assert_applicability err f st m tt vv xv
       in
       let f xv vv = b_type_of err (f xv vv) st m t in
       type_of err f st m v
    | B.Cast (a, u, t)        ->
       let f xu xt tt =  
-	 let f _ = f (S.sh2 u xu t xt x (B.cast a)) xu in
+	 let f _ = f (W.sh2 u xu t xt x (B.cast a)) xu in
          assert_convertibility err f st m xu tt xt
       in
       let f xu _ = b_type_of err (f xu) st m t in