--- /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 affiliation = "This file is part of the LYP engine"
+
+let description = "This file contains the Grundlagen for lyp_global: validate by invoking clause (grundlagen)"
+
+let ok = ref true
+
+let trusted = ref false (* "trusted" indicator out? *)
+
+let untrusted = ref false (* "untrusted" indicator out? *)
+
+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 ext_tj = ".mod"
+let ext_tj_sig = ".sig"
+
+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 appl_fragment (_, ds) (_, dm) = match ds, dm with
+ | 2, 2 -> "ss"
+ | 2, 1 -> "sb"
+ | 1, 2 -> "bs"
+ | 1, 1 -> "bb"
+ | _ -> ok := false; "??"
+
+let abst_fragment (_, ds) (_, dm) = match ds, dm with
+ | 1, 2 -> "ss"
+ | 1, 1 -> "sb"
+ | 0, 2 -> "bs"
+ | 0, 1 -> "bb"
+ | _ -> ok := false; "??"
+
+let prod_fragment (_, ds) (_, dm) = match ds, dm with
+ | 1, 1 -> "ss"
+ | 1, 0 -> "sb"
+ | 0, 1 -> "bs"
+ | 0, 0 -> "bb"
+ | _ -> ok := false; "??"
+
+let entity_level (_, ds) = match ds with
+ | 1 -> "1"
+ | 2 -> "2"
+ | _ -> ok := false; "?"
+
+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 ->
+ KP.fprintf och "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) ->
+ C.err ()
+ | B.Appl (a, v, t) ->
+ let f = appl_fragment a.E.a_side a.E.a_main in
+ KP.fprintf och "(appl f_%s %a %a)" f (out_term st e) v (out_term st e) t
+ | B.Bind (a, B.Abst (r, n, w), t) -> (* r *)
+ let a = R.alpha B.mem e a in
+ let ee = B.push e B.empty E.empty_node a (B.abst r n w) in
+ let lf = match N.to_string st n with
+ | "1" -> "prod", prod_fragment a.E.b_side a.E.b_main
+ | "2" -> "abst", abst_fragment a.E.b_side a.E.b_main
+ | _ -> ok := false; "????", "??"
+ in
+ let l, f = match lf with
+ | "abst", "bs" -> "rest", "bs"
+ | "prod", "bs" -> "rest", "ho"
+ | "abst", "bb" -> "rest", "ho"
+ | "prod", "bb" -> "rest", "bb"
+ | lf -> lf
+ in
+ KP.fprintf och "(%s f_%s %a %a\\ %a)"
+ l f (out_term st e) w out_name a (out_term st ee) t
+ | B.Bind (_, B.Abbr _, _) -> C.err ()
+ | B.Bind (_, B.Void, _) -> C.err ()
+
+(* LYP variant 2 ***********************************************************)
+
+let output_entity_lyp2 och st (_, na, u, b) =
+ begin match !trusted, !untrusted with
+ | false, _ when na.E.n_apix < !G.first ->
+ out_top_comment och "Trusted part";
+ trusted := true
+ | _ , false when !G.first <= na.E.n_apix && na.E.n_apix <= !G.last ->
+ out_top_comment och "Untrusted part";
+ untrusted := true
+ | _ -> ()
+ end;
+ if na.E.n_apix < !G.first then match b with
+ | E.Abbr (a, B.Cast (w, v)) ->
+ KP.fprintf och "type %a @id.\n" out_uri u;
+ KP.fprintf och "dec_l %a d_%s\n %a\n.\n"
+ out_uri u (entity_level a.E.e_side) (out_term st B.empty) w;
+ KP.fprintf och "def_l %a\n %a\n.\n\n"
+ out_uri u (out_term st B.empty) v;
+ !ok
+ | E.Abst (a, w) ->
+ KP.fprintf och "type %a @id.\n" out_uri u;
+ KP.fprintf och "dec_l %a d_%s\n %a\n.\n\n"
+ out_uri u (entity_level a.E.e_side) (out_term st B.empty) w;
+ !ok
+ | _ -> C.err ()
+ else if na.E.n_apix <= !G.last then match b with
+ | E.Abbr (a, B.Cast (w, v)) ->
+ KP.fprintf och "type %a @id.\n" out_uri u;
+ KP.fprintf och "type c_%u ann.\n" na.E.n_apix;
+ KP.fprintf och "cast_g %a c_%u d_%s\n %a\n %a\n.\n\n"
+ out_uri u na.E.n_apix (entity_level a.E.e_side)
+ (out_term st B.empty) w (out_term st B.empty) v;
+ uris := (true, u) :: !uris; !ok
+ | E.Abst (a, w) ->
+ KP.fprintf och "type %a @id.\n" out_uri u;
+ KP.fprintf och "type c_%u ann.\n" na.E.n_apix;
+ KP.fprintf och "type_g %a c_%u d_%s\n %a\n.\n\n"
+ out_uri u na.E.n_apix (entity_level a.E.e_side)
+ (out_term st B.empty) w;
+ uris := (false, u) :: !uris; !ok
+ | _ -> C.err ()
+ else !ok
+
+let close_out_lyp2 och () =
+ let aux_name (b, s) =
+ let gde = if b then "g_def" else "g_dec" in
+ KP.fprintf och "(%s %a\n" gde out_uri s
+ in
+ let aux_sep _ = KP.fprintf och "%s" ")" in
+ out_clause och "type grundlagen prop.";
+ out_clause och "grundlagen :- valid_g";
+ List.iter aux_name (List.rev !uris);
+ KP.fprintf och "%s" "g_top";
+ List.iter aux_sep !uris;
+ out_clause och "\n\n.";
+ close_out och
+
+(* Interface functions ******************************************************)
+
+let open_out_lyp2 fname =
+ let dir = KF.concat !G.manager_dir base in
+ let path = KF.concat dir fname in
+ let och = open_out (path ^ "b_lyp" ^ ext_lp) in
+ out_preamble och;
+ out_comment och version;
+ out_comment och affiliation;
+ out_top_comment och description;
+ output_entity_lyp2 och, close_out_lyp2 och
+
+END