X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fsoftware%2Flambda-delta%2Fbasic_ag%2Fbag.ml;h=1aa9b62e749a79b5f2494ce0d09b67932235584f;hb=550489243bb7bbd995ce3484cbb3a3711371b949;hp=32a9b0c5b983b2361b5495776d6de7575935717e;hpb=8a4c83c6341976f2bb70eb44a0c70f2aa95ad3ea;p=helm.git

diff --git a/helm/software/lambda-delta/basic_ag/bag.ml b/helm/software/lambda-delta/basic_ag/bag.ml
index 32a9b0c5b..1aa9b62e7 100644
--- a/helm/software/lambda-delta/basic_ag/bag.ml
+++ b/helm/software/lambda-delta/basic_ag/bag.ml
@@ -12,8 +12,8 @@
 (* kernel version: basic, absolute, global *)
 (* note          : experimental *) 
 
-type uri = Item.uri
-type id = Item.id
+type uri = Entity.uri
+type id = Entity.id
 
 type bind = Void         (* exclusion *)
           | Abst of term (* abstraction *)
@@ -22,18 +22,22 @@ type bind = Void         (* exclusion *)
 and term = Sort of int                    (* hierarchy index *)
          | LRef of int                    (* location *)
          | GRef of uri                    (* reference *)
-         | Cast of term * term            (* type, term *)
+         | Cast of term * term            (* domain, element *)
          | Appl of term * term            (* argument, function *)
          | Bind of int * id * bind * term (* location, name, binder, scope *)
 
-type obj = bind Item.obj (* age, uri, binder *)
-
-type item = bind Item.item
+type entity = term Entity.entity (* attrs, uri, binder *)
 
 type lenv = (int * id * bind) list (* location, name, binder *) 
 
 type message = (lenv, term) Log.item list
 
+(* helpers ******************************************************************)
+
+let mk_uri si root s =
+   let kernel = if si then "bag-si" else "bag" in
+   String.concat "/" ["ld:"; kernel; root; s ^ ".ld"]
+
 (* Currified constructors ***************************************************)
 
 let abst w = Abst w