+++ /dev/null
-(*
- ||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 Z = Bag
-module M = Meta
-
-(* Internal functions *******************************************************)
-
-let rec xlate_term c f = function
- | M.Sort s ->
- let f h = f (Z.Sort h) in
- if s then f 0 else f 1
- | M.LRef (_, i) ->
- let l, _, _ = List.nth c i in
- f (Z.LRef l)
- | M.GRef (_, uri, vs) ->
- let map f t v = f (Z.appl v t) in
- let f vs = C.list_fold_left f map (Z.GRef uri) vs in
- C.list_map f (xlate_term c) vs
- | M.Appl (v, t) ->
- let f v t = f (Z.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 l = Z.new_location () in
- let f t = f (Z.Bind (l, id, Z.Abst w, t)) in
- let f c = xlate_term c f t in
- Z.push "meta" f c l id (Z.Abst w)
- in
- xlate_term c f w
-
-let xlate_pars f pars =
- let map f (id, w) c =
- let l = Z.new_location () in
- let f w = Z.push "meta" f c l id (Z.Abst w) in
- xlate_term c f w
- in
- C.list_fold_right f map pars Z.empty_lenv
-
-let unwind_to_xlate_term f c t =
- let map f t (l, id, b) = f (Z.bind l id b t) in
- let f t = C.list_fold_left f 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 (Z.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 bag_of_meta = xlate_entry