X-Git-Url: http://matita.cs.unibo.it/gitweb/?p=helm.git;a=blobdiff_plain;f=helm%2Fsoftware%2Fhelena%2Fsrc%2Fcomplete_rg%2Fcrg.ml;h=5eb81e3e14641a0f3008ddfd0ae050170c85a794;hp=36a1c8d59bf83cf56932721080a99253ecfd9c38;hb=88977b2d546e547e23b046792fe2ad8f6ff192a4;hpb=fdb80b08af83b86759833142456ce3c4f84cd80e

diff --git a/helm/software/helena/src/complete_rg/crg.ml b/helm/software/helena/src/complete_rg/crg.ml
index 36a1c8d59..5eb81e3e1 100644
--- a/helm/software/helena/src/complete_rg/crg.ml
+++ b/helm/software/helena/src/complete_rg/crg.ml
@@ -19,6 +19,7 @@ module E = Entity
 type uri = E.uri
 type id = E.id
 type n_attrs = E.node_attrs
+type a_attrs = E.appl_attrs
 type b_attrs = E.bind_attrs
 
 
@@ -30,13 +31,13 @@ and term = TSort of int                             (* hierarchy index *)
          | TLRef of n_attrs * int                   (* attrs, position indexe *)
          | TGRef of n_attrs * uri                   (* attrs, reference *)
          | TCast of term * term                     (* domain, element *)
-         | TAppl of bool * term * term              (* extended?, argument, function *)
+         | TAppl of a_attrs * term * term           (* attrs, argument, function *)
 	 | TBind of b_attrs * bind * term           (* attrs, binder, scope *)
 	 | TProj of lenv * term                     (* closure, member *)
 
 and lenv = ESort                                    (* top *)
          | EBind of lenv * n_attrs * b_attrs * bind (* environment, attrs, binder *)
-         | EAppl of lenv * bool * term              (* environment, extended?, argument *)
+         | EAppl of lenv * a_attrs * term           (* environment, attrs, argument *)
          | EProj of lenv * lenv                     (* environment, closure *)
 
 type entity = term E.entity
@@ -47,36 +48,36 @@ let empty_lenv = ESort
 
 let push_bind f a y b lenv = f (EBind (lenv, a, y, b))
 
-let push_appl f x t lenv = f (EAppl (lenv, x, t))
+let push_appl f a t lenv = f (EAppl (lenv, a, t))
 
 let push_proj f e lenv = f (EProj (lenv, e))
 
 let add_bind f y b t = f (TBind (y, b, t))
 
-let add_appl f x v t = f (TAppl (x, v, t))
+let add_appl f a v t = f (TAppl (a, v, t))
 
 let add_proj f e t = f (TProj (e, t))
 
 let rec shift f c t = match c with
    | ESort              -> f t
-   | EBind (e, _, y, b) -> add_bind (shift f e) y b t
-   | EAppl (e, x, v)    -> add_appl (shift f e) x v t
+   | EBind (e, _, a, b) -> add_bind (shift f e) a b t
+   | EAppl (e, a, v)    -> add_appl (shift f e) a v t
    | EProj (e, d)       -> add_proj (shift f e) d t
 
 let rec append f c = function
    | ESort              -> f c
-   | EBind (e, a, y, b) -> append (push_bind f a y b) c e
-   | EAppl (e, x, t)    -> append (push_appl f x t) c e
+   | EBind (e, y, a, b) -> append (push_bind f y a b) c e
+   | EAppl (e, a, t)    -> append (push_appl f a t) c e
    | EProj (e, d)       -> append (push_proj f d) c e
 
 let resolve_lref err f id lenv =
    let rec aux i = function
      | ESort                -> err ()
      | EAppl (tl, _, _)     -> aux i tl
-     | EBind (tl, a, y, _)  ->
-        let f id0 _ = if id0 = id then f a y i else aux (succ i) tl in
+     | EBind (tl, y, a, _)  ->
+        let f id0 _ = if id0 = id then f y a i else aux (succ i) tl in
         let err () = aux (succ i) tl in
-        E.name err f y
+        E.name err f a
      | EProj (tl, d)        -> append (aux i) tl d
    in
    aux 0 lenv
@@ -84,9 +85,9 @@ let resolve_lref err f id lenv =
 let rec get_name err f i = function
    | ESort                         -> err i
    | EAppl (tl, _, _)              -> get_name err f i tl
-   | EBind (_, _, y, _) when i = 0 -> 
+   | EBind (_, _, a, _) when i = 0 -> 
       let err () = err i in
-      E.name err f y
+      E.name err f a
    | EBind (tl, _, _, _)           -> get_name err f (pred i) tl
    | EProj (tl, e)                 ->
       let err i = get_name err f i tl in 
@@ -94,7 +95,7 @@ let rec get_name err f i = function
 
 let rec get e i = match e with 
    | ESort                         -> ESort, E.empty_node, E.empty_bind, Void
-   | EBind (e, a, y, b) when i = 0 -> e, a, y, b
+   | EBind (e, y, a, b) when i = 0 -> e, y, a, b
    | EBind (e, _, _, _)            -> get e (pred i)
    | EAppl (e, _, _)               -> get e i
    | EProj (e, d)                  -> get (append C.start e d) i
@@ -109,32 +110,32 @@ let rec fold_names f map x = function
    | EBind (e, _, {E.b_name = Some n}, Abst _) -> fold_names f map (map x n) e
    | _                                         -> assert false
 
-let rec mem err f e y0 = match e with
+let rec mem err f e a0 = match e with
    | ESort              -> err ()
-   | EBind (e, _, y, _) ->
-      if y.E.b_name = y0.E.b_name then f () else mem err f e y0
-   | EAppl (e, _, _)    -> mem err f e y0
+   | EBind (e, _, a, _) ->
+      if a.E.b_name = a0.E.b_name then f () else mem err f e a0
+   | EAppl (e, _, _)    -> mem err f e a0
    | EProj (e, d)       -> 
-      let err () = mem err f e y0 in mem err f d y0
+      let err () = mem err f e a0 in mem err f d a0
 
 let set_layer f n0 e =
    let rec aux f = function
       | ESort                           -> f ESort
-      | EBind (e, a, y, Abst (r, n, w)) -> aux (push_bind f a y (Abst (r, n0, w))) e
-      | EBind (e, a, y, b)              -> aux (push_bind f a y b) e
-      | EAppl (e, x, v)                 -> aux (push_appl f x v) e
+      | EBind (e, y, a, Abst (r, n, w)) -> aux (push_bind f y a (Abst (r, n0, w))) e
+      | EBind (e, y, a, b)              -> aux (push_bind f y a b) e
+      | EAppl (e, a, v)                 -> aux (push_appl f a v) e
       | EProj (e, d)                    -> let f d = aux (push_proj f d) e in aux f d
    in
    aux f e
 
-let set_attrs f y0 e =
+let set_attrs f a0 e =
    let rec aux f = function
       | ESort              -> f ESort
-      | EBind (e, a, y, b) -> 
-         let y = E.compose y y0 in
-         aux (push_bind f a y b) e
-      | EAppl (e, x, v)    ->
-         aux (push_appl f x v) e
+      | EBind (e, y, a, b) -> 
+         let a = E.compose a a0 in
+         aux (push_bind f y a b) e
+      | EAppl (e, a, v)    ->
+         aux (push_appl f a v) e
       | EProj (e, d)       ->
          let f d = aux (push_proj f d) e in
          aux f d