module U = NUri
module C = Cps
-module W = Share
+module S = Share
module L = Log
-module E = Entity
+module G = Options
module H = Hierarchy
-module S = Status
+module E = Entity
module Z = Bag
module ZO = BagOutput
module ZE = BagEnvironment
module ZR = BagReduction
-exception TypeError of Z.message
+IFDEF TYPE THEN
(* Internal functions *******************************************************)
let level = 4
-let log1 s c t =
- let sc, st = s ^ " in the envireonment", "the term" in
- L.log ZO.specs level (L.et_items1 sc c st t)
+let log1 st s c t =
+ let s1, s2 = s ^ " in the envireonment", "the term" in
+ L.log st ZO.specs (pred level) (L.et_items1 s1 c s2 t)
-let error1 st c t =
+let error1 err st c t =
let sc = "In the envireonment" in
- raise (TypeError (L.et_items1 sc c st t))
+ err (L.et_items1 sc c st t)
-let error3 c t1 t2 t3 =
+let error3 err c t1 t2 t3 =
let sc, st1, st2, st3 =
"In the envireonment", "the term", "is of type", "but must be of type"
in
- raise (TypeError (L.et_items3 sc c st1 t1 st2 t2 st3 t3))
+ err (L.et_items3 sc c st1 t1 st2 t2 st3 t3)
let mk_gref u l =
let map t v = Z.Appl (v, t) in
List.fold_left map (Z.GRef u) l
-(* Interface functions ******************************************************)
-
-let rec b_type_of f st c x =
+let rec b_type_of err f st c x =
(* L.warn "Entering T.b_type_of"; *)
- log1 "Now checking" c x;
+IFDEF TRACE THEN
+ if !G.ct >= level then log1 st "Now checking" c x
+ELSE () END;
match x with
- | Z.Sort h ->
+ | Z.Sort h ->
let h = H.apply h in f x (Z.Sort h)
- | Z.LRef i ->
- let err () = error1 "variable not found" c x in
+ | Z.LRef i ->
+ let err0 () = error1 err "variable not found" c x in
let f _ = function
| Z.Abst w -> f x w
| Z.Abbr (Z.Cast (w, v)) -> f x w
| Z.Abbr _ -> assert false
- | Z.Void -> error1 "reference to excluded variable" c x
+ | Z.Void -> error1 err "reference to excluded variable" c x
in
- Z.get err f c i
- | Z.GRef uri ->
+ Z.get err0 f c i
+ | Z.GRef uri ->
let f = function
- | _, _, E.Abst (_, w) -> f x w
- | _, _, E.Abbr (Z.Cast (w, v)) -> f x w
- | _, _, E.Abbr _ -> assert false
- | _, _, E.Void -> assert false
+ | _, _, _, E.Abst (_, w) -> f x w
+ | _, _, _, E.Abbr (_, Z.Cast (w, v)) -> f x w
+ | _, _, _, E.Abbr _ -> assert false
+ | _, _, _, E.Void -> assert false
in
ZE.get_entity f uri
- | Z.Bind (a, l, Z.Abbr v, t) ->
+ | Z.Bind (y, l, Z.Abbr v, t) ->
let f xv xt tt =
- f (W.sh2 v xv t xt x (Z.bind_abbr a l)) (Z.bind_abbr a l xv tt)
+ f (S.sh2 v xv t xt x (Z.bind_abbr y l)) (Z.bind_abbr y l xv tt)
in
- let f xv cc = b_type_of (f xv) st cc t in
- let f xv = Z.push "type abbr" (f xv) c a l (Z.Abbr xv) in
+ let f xv cc = b_type_of err (f xv) st cc t in
+ let f xv = Z.push "type abbr" (f xv) c y l (Z.Abbr xv) in
let f xv vv = match xv with
| Z.Cast _ -> f xv
| _ -> f (Z.Cast (vv, xv))
in
- type_of f st c v
- | Z.Bind (a, l, Z.Abst u, t) ->
+ type_of err f st c v
+ | Z.Bind (y, l, Z.Abst u, t) ->
let f xu xt tt =
- f (W.sh2 u xu t xt x (Z.bind_abst a l)) (Z.bind_abst a l xu tt)
+ f (S.sh2 u xu t xt x (Z.bind_abst y l)) (Z.bind_abst y l xu tt)
in
- let f xu cc = b_type_of (f xu) st cc t in
- let f xu _ = Z.push "type abst" (f xu) c a l (Z.Abst xu) in
- type_of f st c u
- | Z.Bind (a, l, Z.Void, t) ->
+ let f xu cc = b_type_of err (f xu) st cc t in
+ let f xu _ = Z.push "type abst" (f xu) c y l (Z.Abst xu) in
+ type_of err f st c u
+ | Z.Bind (y, l, Z.Void, t) ->
let f xt tt =
- f (W.sh1 t xt x (Z.bind a l Z.Void)) (Z.bind a l Z.Void tt)
+ f (S.sh1 t xt x (Z.bind y l Z.Void)) (Z.bind y l Z.Void tt)
in
- let f cc = b_type_of f st cc t in
- Z.push "type void" f c a l Z.Void
- | Z.Appl (v, t) ->
+ let f cc = b_type_of err f st cc t in
+ Z.push "type void" f c y l Z.Void
+ | Z.Appl (v, t) ->
let f xv vv xt tt = function
- | ZR.Abst w ->
- L.box (succ level);
- L.log ZO.specs (succ level) (L.t_items1 "Just scanned" c w);
- L.unbox (succ level);
+ | ZR.Abst w ->
+IFDEF TRACE THEN
+ if !G.ct > level then L.log st ZO.specs level (L.t_items1 "Just scanned" c w)
+ELSE () END;
let f a =
(* L.warn (Printf.sprintf "Convertible: %b" a); *)
- if a then f (W.sh2 v xv t xt x Z.appl) (Z.appl xv tt)
- else error3 c xv vv w
+ if a then f (S.sh2 v xv t xt x Z.appl) (Z.appl xv tt)
+ else error3 err c xv vv w
in
- ZR.are_convertible f ~si:st.S.si c w vv
- | _ ->
- error1 "not a function" c xt
+ ZR.are_convertible f st c w vv
+ | _ ->
+ error1 err "not a function" c xt
in
- let f xv vv xt tt = ZR.ho_whd (f xv vv xt tt) c tt in
- let f xv vv = b_type_of (f xv vv) st c t in
- type_of f st c v
- | Z.Cast (u, t) ->
+ let f xv vv xt tt = ZR.ho_whd (f xv vv xt tt) st c tt in
+ let f xv vv = b_type_of err (f xv vv) st c t in
+ type_of err f st c v
+ | Z.Cast (u, t) ->
let f xu xt tt a =
(* L.warn (Printf.sprintf "Convertible: %b" a); *)
- if a then f (W.sh2 u xu t xt x Z.cast) xu else error3 c xt tt xu
+ if a then f (S.sh2 u xu t xt x Z.cast) xu else error3 err c xt tt xu
in
- let f xu xt tt = ZR.are_convertible (f xu xt tt) ~si:st.S.si c xu tt in
- let f xu _ = b_type_of (f xu) st c t in
- type_of f st c u
+ let f xu xt tt = ZR.are_convertible (f xu xt tt) st c xu tt in
+ let f xu _ = b_type_of err (f xu) st c t in
+ type_of err f st c u
+
+(* Interface functions ******************************************************)
+
+and type_of err f st c x = b_type_of err f st c x
-and type_of f st c x =
- let f t u = L.unbox level; f t u in
- L.box level; b_type_of f st c x
+END