X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fsoftware%2Fhelena%2Fsrc%2Fbasic_rg%2FbrgSubstitution.ml;h=727524ca70a2088231d7101e6e46e7300a24cecd;hb=c450fdfb1b02eb69e5e7ef25f0acdf80157710df;hp=5661982a3b8101db11d69b4249577303e2135823;hpb=67686e04702688cc822e809e5168f765bf69d7cb;p=helm.git

diff --git a/helm/software/helena/src/basic_rg/brgSubstitution.ml b/helm/software/helena/src/basic_rg/brgSubstitution.ml
index 5661982a3..727524ca7 100644
--- a/helm/software/helena/src/basic_rg/brgSubstitution.ml
+++ b/helm/software/helena/src/basic_rg/brgSubstitution.ml
@@ -12,13 +12,15 @@
 module G = Options
 module B = Brg
 
+IFDEF TYPE THEN
+
 let rec icm a = function
    | B.Sort _
    | B.LRef _
    | B.GRef _                        -> succ a
    | B.Bind (_, B.Void, t)           -> icm (succ a) t
-   | B.Cast (_, u, t)                -> icm (icm a u) t
-   | B.Appl (_, _, u, t)
+   | B.Cast (u, t)                   -> icm (icm a u) t
+   | B.Appl (_, u, t)
    | B.Bind (_, B.Abst (_, _, u), t)
    | B.Bind (_, B.Abbr u, t)         -> icm (icm (succ a) u) t
 
@@ -28,12 +30,12 @@ let iter map d =
       | B.Abst (r, n, w) -> B.Abst (r, n, iter_term d w)
       | B.Abbr v         -> B.Abbr (iter_term d v)
    and iter_term d = function
-      | B.Sort _ as t       -> t
-      | B.GRef _ as t       -> t
+      | B.Sort _ as t      -> t
+      | B.GRef _ as t      -> t
       | B.LRef (a, i) as t -> if i < d then t else map d a i
-      | B.Cast (a, w, v)    -> B.Cast (a, iter_term d w, iter_term d v)
-      | B.Appl (a, x, w, u) -> B.Appl (a, x, iter_term d w, iter_term d u)
-      | B.Bind (a, b, u)    -> B.Bind (a, iter_bind d b, iter_term (succ d) u)
+      | B.Cast (w, v)      -> B.Cast (iter_term d w, iter_term d v)
+      | B.Appl (a, w, u)   -> B.Appl (a, iter_term d w, iter_term d u)
+      | B.Bind (y, b, u)   -> B.Bind (y, iter_bind d b, iter_term (succ d) u)
    in
    iter_term d
 
@@ -48,3 +50,5 @@ let lift h d t =
 *)
       iter (lift_map h) d t
    end
+
+END