module ZE = BagEnvironment
module ZS = BagSubstitution
+IFDEF TYPE THEN
+
type machine = {
i: int;
c: Z.lenv;
| Sort_ of int
| LRef_ of P.mark * Z.term option
| GRef_ of Z.entity
- | Bind_ of Z.attrs * P.mark * Z.term * Z.term
+ | Bind_ of Z.b_attrs * P.mark * Z.term * Z.term
type ho_whd_result =
| Sort of int
let inc m = {m with i = succ m.i}
let unwind_to_term f m t =
- let map f t (a, l, b) = f (Z.Bind (a, l, b, t)) in
+ let map f t (y, l, b) = f (Z.Bind (y, l, b, t)) in
let f mc = C.list_fold_left f map t mc in
Z.contents f m.c
get f c m i
| Z.Cast (_, t) -> whd f c m t
| Z.Appl (v, t) -> whd f c {m with s = v :: m.s} t
- | Z.Bind (a, l, Z.Abst w, t) ->
+ | Z.Bind (y, l, Z.Abst w, t) ->
begin match m.s with
- | [] -> f m (Bind_ (a, l, w, t))
+ | [] -> f m (Bind_ (y, l, w, t))
| v :: tl ->
let nl = P.new_mark () in
let f mc = ZS.subst (whd f c {m with c = mc; s = tl}) nl l t in
- Z.push "!" f m.c a nl (Z.Abbr (Z.Cast (w, v)))
+ Z.push "!" f m.c y nl (Z.Abbr (Z.Cast (w, v)))
end
- | Z.Bind (a, l, b, t) ->
+ | Z.Bind (y, l, b, t) ->
let nl = P.new_mark () in
let f mc = ZS.subst (whd f c {m with c = mc}) nl l t in
- Z.push "!" f m.c a nl b
+ Z.push "!" f m.c y nl b
(* Interface functions ******************************************************)
let rec ho_whd f c m x =
(* L.warn "entering R.ho_whd"; *)
let aux m = function
- | Sort_ h -> f (Sort h)
- | Bind_ (_, _, w, _) ->
+ | Sort_ h -> f (Sort h)
+ | Bind_ (_, _, w, _) ->
let f w = f (Abst w) in unwind_to_term f m w
- | LRef_ (_, Some w) -> ho_whd f c m w
- | GRef_ (_, _, _, E.Abst w) -> ho_whd f c m w
- | GRef_ (_, _, _, E.Abbr v) -> ho_whd f c m v
- | LRef_ (_, None) -> assert false
- | GRef_ (_, _, _, E.Void) -> assert false
+ | LRef_ (_, Some w) -> ho_whd f c m w
+ | GRef_ (_, _, _, E.Abst (_, w)) -> ho_whd f c m w
+ | GRef_ (_, _, _, E.Abbr (_, v)) -> ho_whd f c m v
+ | LRef_ (_, None) -> assert false
+ | GRef_ (_, _, _, E.Void) -> assert false
in
whd aux c m x
let ho_whd f st c t =
- if !G.ct >= level then log1 st "Now scanning" c t;
+IFDEF TRACE THEN
+ if !G.ct >= level then log1 st "Now scanning" c t
+ELSE () END;
ho_whd f c empty_machine t
let rec are_convertible f st a c m1 t1 m2 t2 =
(* L.warn "entering R.are_convertible"; *)
let rec aux m1 r1 m2 r2 =
(* L.warn "entering R.are_convertible_aux"; *)
+IFDEF TRACE THEN
let u, t = term_of_whdr r1, term_of_whdr r2 in
- if !G.ct >= level then log2 st "Now really converting" c u c t;
+ if !G.ct >= level then log2 st "Now really converting" c u c t
+ELSE () END;
match r1, r2 with
- | Sort_ h1, Sort_ h2 ->
- if h1 = h2 then f a else f false
- | LRef_ (i1, _), LRef_ (i2, _) ->
+ | Sort_ k1, Sort_ k2 ->
+ if k1 = k2 then f a else f false
+ | LRef_ (i1, _), LRef_ (i2, _) ->
if i1 = i2 then are_convertible_stacks f st a c m1 m2 else f false
| GRef_ (_, {E.n_apix = a1}, _, E.Abst _),
- GRef_ (_, {E.n_apix = a2}, _, E.Abst _) ->
+ GRef_ (_, {E.n_apix = a2}, _, E.Abst _) ->
if a1 = a2 then are_convertible_stacks f st a c m1 m2 else f false
- | GRef_ (_, {E.n_apix = a1}, _, E.Abbr v1),
- GRef_ (_, {E.n_apix = a2}, _, E.Abbr v2) ->
+ | GRef_ (_, {E.n_apix = a1}, _, E.Abbr (_, v1)),
+ GRef_ (_, {E.n_apix = a2}, _, E.Abbr (_, v2)) ->
if a1 = a2 then
let f a =
if a then f a else are_convertible f st true c m1 v1 m2 v2
else
if a1 < a2 then whd (aux m1 r1) c m2 v2 else
whd (aux_rev m2 r2) c m1 v1
- | _, GRef_ (_, _, _, E.Abbr v2) ->
+ | _, GRef_ (_, _, _, E.Abbr (_, v2)) ->
whd (aux m1 r1) c m2 v2
- | GRef_ (_, _, _, E.Abbr v1), _ ->
+ | GRef_ (_, _, _, E.Abbr (_, v1)), _ ->
whd (aux_rev m2 r2) c m1 v1
- | Bind_ (a1, l1, w1, t1), Bind_ (a2, l2, w2, t2) ->
+ | Bind_ (y1, l1, w1, t1), Bind_ (_, l2, w2, t2) ->
let l = P.new_mark () in
let h c =
let m1, m2 = inc m1, inc m2 in
let f t1 = ZS.subst (are_convertible f st a c m1 t1 m2) l l2 t2 in
ZS.subst f l l1 t1
in
- let f r = if r then push "!" h c m1 a1 l w1 else f false in
+ let f r = if r then push "!" h c m1 y1 l w1 else f false in
are_convertible f st a c m1 w1 m2 w2
(* we detect the AUT-QE reduction rule for type/prop inclusion *)
- | Sort_ _, Bind_ (a2, l2, w2, t2) when !G.si ->
+ | Sort_ _, Bind_ (y2, l2, w2, t2) when !G.si ->
let m1, m2 = inc m1, inc m2 in
let f c = are_convertible f st a c m1 (term_of_whdr r1) m2 t2 in
- push "nsi" f c m2 a2 l2 w2
- | _ -> f false
+ push "nsi" f c m2 y2 l2 w2
+ | _ -> f false
and aux_rev m2 r2 m1 r1 = aux m1 r1 m2 r2 in
let g m1 r1 = whd (aux m1 r1) c m2 t2 in
if a = false then f false else whd g c m1 t1
else
C.list_fold_left2 f map a m1.s m2.s
-let are_convertible f st c u t =
- if !G.ct >= level then log2 st "Now converting" c u c t;
+let are_convertible f st c u t =
+IFDEF TRACE THEN
+ if !G.ct >= level then log2 st "Now converting" c u c t
+ELSE () END;
are_convertible f st true c empty_machine u empty_machine t
+
+END