+++ /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
-
-(* Internal functions *******************************************************)
-
-let ok = ref true
-
-let uris = ref []
-
-let base = "elpi"
-
-let ext = ".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 (_, h) ->
- let sort = if h = 0 then "k+set" else if h = 1 then "k+prop" else assert false in
- KP.fprintf och "(sort %s)" sort
- | B.LRef (_, i) ->
- let _, _, a, b = B.get e i in
- KP.fprintf och "%a" out_name a
- | B.GRef (_, s) ->
- KP.fprintf och "%a" out_uri s
- | B.Cast (_, u, t) ->
- KP.fprintf och "(cast %a %a)" (out_term st e) u (out_term st e) t
- | B.Appl (_, x, v, t) ->
- let c = if x then "appx" else "appr" in
- KP.fprintf och "(%s %a %a)" c (out_term st e) v (out_term st e) t
- | B.Bind (a, B.Abst (r, n, w), t) ->
- let a = R.alpha B.mem e a in
- let ee = B.push e B.empty a (B.abst r n w) in
- let c = if r then "prod" else "abst" in
- let l = match N.to_string st n with
- | "1" -> "l+1"
- | "2" -> "l+2"
- | _ -> ok := false; "?"
- in
- KP.fprintf och "(%s %s %a %a\\ %a)"
- c l (out_term st e) w out_name a (out_term st ee) t
- | B.Bind (a, B.Abbr v, t) ->
- let a = R.alpha B.mem e a in
- let ee = B.push e B.empty a (B.abbr v) in
- KP.fprintf och "(abbr %a %a\\ %a)"
- (out_term st e) v out_name a (out_term st ee) t
- | B.Bind (a, B.Void, t) ->
- let a = R.alpha B.mem e a in
- let ee = B.push e B.empty a (B.Void) in
- KP.fprintf och "(void %a\\ %a)"
- out_name a (out_term st ee) t
-
-(* variant 1 *************************************************)
-
-let output_entity_1 och st (_, na, s, b) =
- if na.E.n_apix <= !G.last then begin
- match b with
- | E.Abbr t ->
- KP.fprintf och "(gdef+1 c+%u %a\n %a\\\n" na.E.n_apix (out_term st B.empty) t out_uri s;
- uris := (true, s) :: !uris; !ok
- | E.Abst u ->
- KP.fprintf och "(gdec+1 c+%u %a\n%a\\\n" na.E.n_apix (out_term st B.empty) u out_uri s;
- uris := (false, s) :: !uris; !ok
- | E.Void -> C.err ()
- end else !ok
-
-let close_out_1 och () =
- let aux_sep _ = KP.fprintf och "%s" ")" in
- KP.fprintf och "%s" "gtop";
- List.iter aux_sep !uris;
- out_clause och "\n\n).";
- close_out och
-
-(* Variant 2 *************************************************)
-
-let output_entity_2 och st (_, na, s, b) =
- if na.E.n_apix <= !G.last then begin
- match b with
- | E.Abbr t ->
- KP.fprintf och "g+line %a c+%u\n %a\n.\n\n"
- out_uri s na.E.n_apix (out_term st B.empty) t;
- uris := (true, s) :: !uris; !ok
- | E.Abst u ->
- KP.fprintf och "g+line %a c+%u\n %a\n.\n\n"
- out_uri s na.E.n_apix (out_term st B.empty) u;
- uris := (false, s) :: !uris; !ok
- | E.Void -> C.err ()
- end else !ok
-
-let close_out_2 och () =
- let aux_name (b, s) =
- let gde = if b then "gdef+2" else "gdec+2" in
- KP.fprintf och "(%s %a\n" gde out_uri s
- in
- let aux_sep _ = KP.fprintf och "%s" ")" in
- if !G.first > 0 then begin
- let s = KP.sprintf "tv+c C T :- $lt C c+%u, !." !G.first in
- out_clause och s;
- out_clause och "tv+c C T :- tv+ T."
- end;
- out_clause och "main :- grundlagen.";
- out_clause och "grundlagen :- (gv+ ";
- 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_1 fname =
- let dir = KF.concat !G.manager_dir base in
- let path = KF.concat dir fname in
- let och = open_out (path ^ "1" ^ ext) in
- out_preamble och;
- out_top_comment och (KP.sprintf "This file was generated by %s: do not edit" G.version_string);
- out_clause och "main :- grundlagen.";
- out_clause och "grundlagen :- gv+ (";
- output_entity_1 och, close_out_1 och
-
-let open_out_2 fname =
- let dir = KF.concat !G.manager_dir base in
- let path = KF.concat dir fname in
- let och = open_out (path ^ "2" ^ ext) in
- out_preamble och;
- out_top_comment och (KP.sprintf "This file was generated by %s: do not edit" G.version_string);
- output_entity_2 och, close_out_2 och
projects / helm.git / blobdiff