refactoring: helena sources are now in a dedicated directory

[helm.git] / helm / software / lambda-delta / toplevel / metaBrg.ml

diff --git a/helm/software/lambda-delta/toplevel/metaBrg.ml b/helm/software/lambda-delta/toplevel/metaBrg.ml
deleted file mode 100644 (file)
index cde4daa..0000000
--- a/helm/software/lambda-delta/toplevel/metaBrg.ml
+++ /dev/null
@@ -1,66 +0,0 @@
-(*
-    ||M||  This file is part of HELM, an Hypertextual, Electronic        
-    ||A||  Library of Mathematics, developed at the Computer Science     
-    ||T||  Department, University of Bologna, Italy.                     
-    ||I||                                                                
-    ||T||  HELM is free software; you can redistribute it and/or         
-    ||A||  modify it under the terms of the GNU General Public License   
-    \   /  version 2 or (at your option) any later version.              
-     \ /   This software is distributed as is, NO WARRANTY.              
-      V_______________________________________________________________ *)
-
-module C = Cps
-module Y = Entity
-module B = Brg
-module M = Meta
-
-(* Internal functions *******************************************************)
-
-let rec xlate_term c f = function
-   | M.Sort s            -> 
-      let f h = f (B.Sort ([], h)) in
-      if s then f 0 else f 1
-   | M.LRef (_, i)       ->
-      f (B.LRef ([], i))
-   | M.GRef (_, uri, vs) ->
-      let map f t v = f (B.appl [] v t) in
-      let f vs = C.list_fold_left f map (B.GRef ([], uri)) vs in
-      C.list_map f (xlate_term c) vs
-   | M.Appl (v, t)       ->
-      let f v t = f (B.Appl ([], v, t)) in
-      let f v = xlate_term c (f v) t in
-      xlate_term c f v
-   | M.Abst (id, w, t)   ->
-      let f w = 
-         let a = [Y.Name (id, true)] in
-        let f t = f (B.Bind (a, B.Abst w, t)) in
-         xlate_term (B.push c B.empty a (B.Abst w)) f t
-      in
-      xlate_term c f w
-
-let xlate_pars f pars =
-   let map f (id, w) c =
-      let a = [Y.Name (id, true)] in
-      let f w = f (B.push c B.empty a (B.Abst w)) in
-      xlate_term c f w
-   in
-   C.list_fold_right f map pars B.empty
-
-let unwind_to_xlate_term f c t =
-   let map t a b = B.bind a b t in
-   let f t = f (B.fold_left map t c) in
-   xlate_term c f t
-
-let xlate_entry f = function
-   | pars, u, None   ->
-      let f c = unwind_to_xlate_term f c u in      
-      xlate_pars f pars   
-   | pars, u, Some t ->
-      let f u t = f (B.Cast ([], u, t)) in
-      let f c u = unwind_to_xlate_term (f u) c t in
-      let f c = unwind_to_xlate_term (f c) c u in
-      xlate_pars f pars
-
-(* Interface functions ******************************************************)
-
-let brg_of_meta = xlate_entry