--- /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 KF = Filename
+module KP = Printf
+
+module U = NUri
+module C = Cps
+module G = Options
+module N = Layer
+module E = Entity
+module R = Alpha
+module B = Brg
+
+IFDEF MANAGER THEN
+
+(* Internal functions *******************************************************)
+
+let version = KP.sprintf "This file was generated by %s: do not edit" (G.version_string true)
+
+let ok = ref true
+
+let uris = ref []
+
+let chunk = ref 0
+
+let sub_och = ref stdout
+
+let top_age = 7000
+
+let size = 250
+
+let base = "lp"
+
+let ext_lp = ".elpi"
+
+let reserved = ["pi"; "sigma"; "nil"; "delay"; "in"; "with"; "resume"; "context"]
+
+let alpha n =
+ if List.mem n reserved then !G.alpha ^ n else n
+
+let out_preamble och =
+ let ich = open_in !G.preamble in
+ let rec aux () = KP.fprintf och "%s\n" (input_line ich); aux () in
+ try aux () with End_of_file -> close_in ich
+
+let out_top_comment och msg =
+ KP.fprintf och "%% %s\n\n" msg
+
+let out_comment och msg =
+ KP.fprintf och "%% %s\n" msg
+
+let out_clause och msg =
+ KP.fprintf och "%s\n\n" msg
+
+let out_uri och u =
+ let str = U.string_of_uri u in
+ let rec aux i =
+ let c = str.[i] in
+ if c = '.' then () else begin
+ output_char och (if c = '/' then '_' else c);
+ aux (succ i)
+ end
+ in
+ let rec strip i n =
+ if n <= 0 then succ i else
+ strip (String.index_from str (succ i) '/') (pred n)
+ in
+ aux (strip 0 3)
+
+let out_name och a =
+ let f n = function
+ | true -> KP.fprintf och "%s" (alpha n)
+ | false -> KP.fprintf och "_"
+ in
+ let err () = f "" false in
+ E.name err f a
+
+let rec out_term st e och = function
+ | B.Sort k ->
+ let sort = if k = 0 then "(s+type 0)" else if k = 1 then "(s+prop 0)" else assert false in
+ KP.fprintf och "(sort %s)" sort
+ | B.LRef (_, i) ->
+ let _, _, _, y, b = B.get e i in
+ KP.fprintf och "%a" out_name y
+ | B.GRef (_, s) ->
+ KP.fprintf och "%a" out_uri s
+ | B.Cast (u, t) ->
+ KP.fprintf och "(abbr %a %a x\\ x)" (out_term st e) t (out_term st e) u
+ | B.Appl (_, v, t) ->
+ KP.fprintf och "(appl %a %a)" (out_term st e) t (out_term st e) v
+ | B.Bind (y, B.Abst (r, n, w), t) ->
+ let y = R.alpha B.mem e y in
+ let ee = B.push e B.empty E.empty_node y (B.abst r n w) in
+ let c = match r, N.to_string st n with
+ | false, "1" -> "prod"
+ | false, "2" -> "abst"
+ | _ -> ok := false; "?"
+ in
+ KP.fprintf och "(%s %a %a\\ %a)"
+ c (out_term st e) w out_name y (out_term st ee) t
+ | B.Bind (_, B.Void, _) -> C.err ()
+ | B.Bind (_, B.Abbr _, _) -> C.err ()
+
+(* PTS variant 2 ************************************************************)
+
+let output_entity_pts2 och st (_, na, u, b) =
+ if na.E.n_apix < !G.first then begin
+ match b with
+ | E.Abbr (_, B.Cast (w, v)) ->
+ KP.fprintf och "get_expansion %a %u %a.\n"
+ out_uri u na.E.n_apix (out_term st B.empty) v;
+ KP.fprintf och "get_type %a %a.\n\n"
+ out_uri u (out_term st B.empty) w; !ok
+ | E.Abst (_, w) ->
+ KP.fprintf och "get_type %a %a.\n\n"
+ out_uri u (out_term st B.empty) w; !ok
+ | _ -> C.err ()
+ end else if na.E.n_apix <= !G.last then begin
+ match b with
+ | E.Abbr (_, B.Cast (w, v)) ->
+ KP.fprintf och "g+line+2 %a %u\n %a\n %a\n.\n\n"
+ out_uri u na.E.n_apix (out_term st B.empty) v (out_term st B.empty) w;
+ uris := (true, u) :: !uris; !ok
+ | E.Abst (_, w) ->
+ KP.fprintf och "g+line+1 %a %u\n %a\n.\n\n"
+ out_uri u na.E.n_apix (out_term st B.empty) w;
+ uris := (false, u) :: !uris; !ok
+ | _ -> C.err ()
+ end else !ok
+
+let close_out_pts2 och () =
+ let aux_name (b, s) =
+ let gde = if b then "gdef" else "gdec" in
+ KP.fprintf och "(%s %a\n" gde out_uri s
+ in
+ let aux_sep _ = KP.fprintf och "%s" ")" in
+ out_clause och "grundlagen :- is+valid";
+ List.iter aux_name (List.rev !uris);
+ KP.fprintf och "%s" "gtop";
+ List.iter aux_sep !uris;
+ out_clause och "\n\n.";
+ close_out och
+
+(* Interface functions ******************************************************)
+
+let open_out_pts2 fname =
+ let dir = KF.concat !G.manager_dir base in
+ let path = KF.concat dir fname in
+ let och = open_out (path ^ "b_pts" ^ ext_lp) in
+ out_preamble och;
+ out_top_comment och version;
+ output_entity_pts2 och, close_out_pts2 och
+
+END
projects / helm.git / blobdiff