\ / This software is distributed as is, NO WARRANTY.
V_______________________________________________________________ *)
-module U = NUri
-module C = Cps
-module A = Share
-module L = Log
-module H = Hierarchy
-module Y = Entity
-module B = Brg
-module O = BrgOutput
-module E = BrgEnvironment
-module S = BrgSubstitution
-module R = BrgReduction
+module U = NUri
+module C = Cps
+module W = Share
+module L = Log
+module H = Hierarchy
+module E = Entity
+module N = Level
+module B = Brg
+module BE = BrgEnvironment
+module BS = BrgSubstitution
+module BR = BrgReduction
-type message = (R.kam, B.term) Log.message
+type message = (BR.kam, B.term) Log.message
(* Internal functions *******************************************************)
let log1 s m t =
let s = s ^ " the term" in
- L.log R.specs level (message1 s m t)
+ L.log BR.specs level (message1 s m t)
let error1 err s m t =
err (message1 s m t)
err (message3 m t1 t2 ?mu t3)
let assert_convertibility err f st m u w v =
- if R.are_convertible st m u m w then f () else
+ if BR.are_convertible st m u m w then f () else
error3 err m v w u
let assert_applicability err f st m u w v =
- match R.xwhd st m u with
- | _, B.Sort _ -> error1 err "not a function type" m u
- | mu, B.Bind (_, B.Abst u, _) ->
- if R.are_convertible st mu u m w then f () else
+ match BR.xwhd st m u with
+ | _, 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;
| B.Sort (a, h) ->
let h = H.apply h in f x (B.Sort (a, h))
| B.LRef (_, i) ->
- begin match R.get m i with
- | B.Abst w ->
- f x (S.lift (succ i) (0) w)
+ begin match BR.get m i with
+ | B.Abst (_, w) ->
+ f x (BS.lift (succ i) (0) w)
| B.Abbr (B.Cast (_, w, _)) ->
- f x (S.lift (succ i) (0) w)
+ f x (BS.lift (succ i) (0) w)
| B.Abbr _ -> assert false
| B.Void ->
error1 err "reference to excluded variable" m x
end
| B.GRef (_, uri) ->
- begin match E.get_entity uri with
- | _, _, Y.Abst w -> f x w
- | _, _, Y.Abbr (B.Cast (_, w, _)) -> f x w
- | _, _, Y.Abbr _ -> assert false
- | _, _, Y.Void ->
+ begin match BE.get_entity uri with
+ | _, _, E.Abst (_, w) -> f x w
+ | _, _, E.Abbr (B.Cast (_, w, _)) -> f x w
+ | _, _, E.Abbr _ -> assert false
+ | _, _, E.Void ->
error1 err "reference to unknown entry" m x
end
| B.Bind (a, B.Abbr v, t) ->
let f xv xt tt =
- f (A.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 (R.push m a (B.abbr xv)) in
+ let f xv = f xv (BR.push m a (B.abbr xv)) in
let f xv vv = match xv with
| B.Cast _ -> f xv
| _ -> 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 (A.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 (R.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 (A.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 (R.push m a B.Void) t
+ 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 (A.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 (A.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