module E = BrgEnvironment
type kam = {
- c: B.lenv;
+ e: B.lenv;
s: (B.lenv * B.term) list;
i: int
}
| B.Appl (_, v1, t1), B.Appl (_, v2, t2) ->
let f _ = aux f (t1, t2) in
aux f (v1, v2)
- | B.Bind (b1, t1), B.Bind (b2, t2) ->
+ | B.Bind (_, b1, t1), B.Bind (_, b2, t2) ->
let f _ = aux f (t1, t2) in
aux_bind f (b1, b2)
| _ -> err ()
and aux_bind f = function
- | B.Abbr (_, v1), B.Abbr (_, v2)
- | B.Abst (_, v1), B.Abst (_, v2) -> aux f (v1, v2)
- | B.Void _, B.Void _ -> f ()
+ | B.Abbr v1, B.Abbr v2
+ | B.Abst v1, B.Abst v2 -> aux f (v1, v2)
+ | B.Void, B.Void -> f ()
| _ -> err ()
in
if S.eq t1 t2 then f () else aux f (t1, t2)
let get m i =
- let f c b = c, b in
- B.get C.err f m.c i
+ let _, c, a, b = B.get m.e i in c, a, b
(* to share *)
let rec step st m x =
(* L.warn "entering R.step"; *)
match x with
- | B.Sort _ -> m, None, x
- | B.GRef (_, uri) ->
+ | B.Sort _ -> m, None, x
+ | B.GRef (_, uri) ->
begin match E.get_entity uri with
| _, _, Y.Abbr v when st.Y.delta ->
P.add ~gdelta:1 (); step st m v
P.add ~grt:1 (); step st m w
| a, _, Y.Abbr v ->
let e = Y.apix C.err C.start a in
- m, Some (e, B.Abbr (a, v)), x
+ m, Some (e, a, B.Abbr v), x
| a, _, Y.Abst w ->
let e = Y.apix C.err C.start a in
- m, Some (e, B.Abst (a, w)), x
+ m, Some (e, a, B.Abst w), x
| _, _, Y.Void -> assert false
end
- | B.LRef (_, i) ->
+ | B.LRef (_, i) ->
begin match get m i with
- | c, B.Abbr (_, v) ->
+ | c, _, B.Abbr v ->
P.add ~ldelta:1 ();
- step st {m with c = c} v
- | c, B.Abst (_, w) when st.Y.rt ->
+ step st {m with e = c} v
+ | c, _, B.Abst w when st.Y.rt ->
P.add ~lrt:1 ();
- step st {m with c = c} w
- | c, B.Void _ ->
+ step st {m with e = c} w
+ | c, _, B.Void ->
assert false
- | c, (B.Abst (a, _) as b) ->
+ | c, a, (B.Abst _ as b) ->
let e = Y.apix C.err C.start a in
- {m with c = c}, Some (e, b), x
+ {m with e = c}, Some (e, a, b), x
end
- | B.Cast (_, _, t) ->
+ | B.Cast (_, _, t) ->
P.add ~tau:1 ();
step st m t
- | B.Appl (_, v, t) ->
- step st {m with s = (m.c, v) :: m.s} t
- | B.Bind (B.Abst (a, w), t) ->
+ | B.Appl (_, v, t) ->
+ step st {m with s = (m.e, v) :: m.s} t
+ | B.Bind (a, B.Abst w, t) ->
begin match m.s with
| [] -> m, None, x
| (c, v) :: s ->
P.add ~beta:1 ~upsilon:(List.length s) ();
- let c = B.push m.c ~c (B.abbr a v) (* (B.Cast ([], w, v)) *) in
- step st {m with c = c; s = s} t
+ let e = B.push m.e c a (B.abbr v) (* (B.Cast ([], w, v)) *) in
+ step st {m with e = e; s = s} t
end
- | B.Bind (b, t) ->
+ | B.Bind (a, b, t) ->
P.add ~upsilon:(List.length m.s) ();
- let c = B.push m.c ~c:m.c b in
- step st {m with c = c} t
+ let e = B.push m.e m.e a b in
+ step st {m with e = e} t
-let push m b =
+let push m a b =
assert (m.s = []);
- let b, i = match b with
- | B.Abst (a, w) -> B.abst (Y.Apix m.i :: a) w, succ m.i
- | b -> b, m.i
+ let a, i = match b with
+ | B.Abst _ -> Y.Apix m.i :: a, succ m.i
+ | b -> a, m.i
in
- let c = B.push m.c ~c:m.c b in
- {m with c = c; i = i}
+ let e = B.push m.e m.e a b in
+ {m with e = e; i = i}
-let rec ac_nfs st (m1, a1, u) (m2, a2, t) =
- log2 "Now converting nfs" m1.c u m2.c t;
- match a1, u, a2, t with
- | _, B.Sort (_, h1), _, B.Sort (_, h2) ->
+let rec ac_nfs st (m1, r1, u) (m2, r2, t) =
+ log2 "Now converting nfs" m1.e u m2.e t;
+ match r1, u, r2, t with
+ | _, B.Sort (_, h1), _, B.Sort (_, h2) ->
h1 = h2
- | Some (e1, B.Abst _), _, Some (e2, B.Abst _), _ ->
+ | Some (e1, _, B.Abst _), _, Some (e2, _, B.Abst _), _ ->
if e1 = e2 then ac_stacks st m1 m2 else false
- | Some (e1, B.Abbr (_, v1)), _, Some (e2, B.Abbr (_, v2)), _ ->
+ | Some (e1, _, B.Abbr v1), _, Some (e2, _, B.Abbr v2), _ ->
if e1 = e2 then
if ac_stacks st m1 m2 then true else begin
P.add ~gdelta:2 (); ac st m1 v1 m2 v2
end
else if e1 < e2 then begin
P.add ~gdelta:1 ();
- ac_nfs st (m1, a1, u) (step st m2 v2)
+ ac_nfs st (m1, r1, u) (step st m2 v2)
end else begin
P.add ~gdelta:1 ();
- ac_nfs st (step st m1 v1) (m2, a2, t)
+ ac_nfs st (step st m1 v1) (m2, r2, t)
end
- | _, _, Some (_, B.Abbr (_, v2)), _ ->
+ | _, _, Some (_, _, B.Abbr v2), _ ->
P.add ~gdelta:1 ();
- ac_nfs st (m1, a1, u) (step st m2 v2)
- | Some (_, B.Abbr (_, v1)), _, _, _ ->
+ ac_nfs st (m1, r1, u) (step st m2 v2)
+ | Some (_, _, B.Abbr v1), _, _, _ ->
P.add ~gdelta:1 ();
- ac_nfs st (step st m1 v1) (m2, a2, t)
- | _, B.Bind ((B.Abst (_, w1) as b1), t1),
- _, B.Bind ((B.Abst (_, w2) as b2), t2) ->
+ ac_nfs st (step st m1 v1) (m2, r2, t)
+ | _, B.Bind (a1, (B.Abst w1 as b1), t1),
+ _, B.Bind (a2, (B.Abst w2 as b2), t2) ->
if ac {st with Y.si = false} m1 w1 m2 w2 then
- ac st (push m1 b1) t1 (push m2 b2) t2
+ ac st (push m1 a1 b1) t1 (push m2 a2 b2) t2
else false
- | _, B.Sort _, _, B.Bind (b, t) when st.Y.si ->
+ | _, B.Sort _, _, B.Bind (a, b, t) when st.Y.si ->
P.add ~si:1 ();
- ac st (push m1 b) u (push m2 b) t
- | _ -> false
+ ac st (push m1 a b) u (push m2 a b) t
+ | _ -> false
and ac st m1 t1 m2 t2 =
(* L.warn "entering R.are_convertible"; *)
(* L.warn "entering R.are_convertible_stacks"; *)
(* if List.length m1.s <> List.length m2.s then false else *)
let map (c1, v1) (c2, v2) =
- let m1, m2 = {m1 with c = c1; s = []}, {m2 with c = c2; s = []} in
+ let m1, m2 = {m1 with e = c1; s = []}, {m2 with e = c2; s = []} in
ac {st with Y.si = false} m1 v1 m2 v2
in
list_and map (m1.s, m2.s)
(* Interface functions ******************************************************)
let empty_kam = {
- c = B.empty_lenv; s = []; i = 0
+ e = B.empty; s = []; i = 0
}
-let get err f m i =
+let get m i =
assert (m.s = []);
- let f c = f in
- B.get err f m.c i
+ let _, _, _, b = B.get m.e i in b
let xwhd st m t =
- L.box level; log1 "Now scanning" m.c t;
+ L.box level; log1 "Now scanning" m.e t;
let m, _, t = step {st with Y.delta = true; Y.rt = true} m t in
L.unbox level; m, t
let are_convertible st mu u mw w =
- L.box level; log2 "Now converting" mu.c u mw.c w;
+ L.box level; log2 "Now converting" mu.e u mw.e w;
let r = ac {st with Y.delta = false; Y.rt = false} mu u mw w in
L.unbox level; r
(* let err _ = in
(* error reporting **********************************************************)
-let pp_term m frm t = O.specs.L.pp_term m.c frm t
+let pp_term m frm t = O.specs.L.pp_term m.e frm t
-let pp_lenv frm m = O.specs.L.pp_lenv frm m.c
+let pp_lenv frm m = O.specs.L.pp_lenv frm m.e
let specs = {
L.pp_term = pp_term; L.pp_lenv = pp_lenv