2 ||M|| This file is part of HELM, an Hypertextual, Electronic
3 ||A|| Library of Mathematics, developed at the Computer Science
4 ||T|| Department, University of Bologna, Italy.
6 ||T|| HELM is free software; you can redistribute it and/or
7 ||A|| modify it under the terms of the GNU General Public License
8 \ / version 2 or (at your option) any later version.
9 \ / This software is distributed as is, NO WARRANTY.
10 V_______________________________________________________________ *)
23 (* Internal functions *******************************************************)
33 let reserved = ["pi"; "sigma"; "nil"; "delay"; "in"; "with"; "resume"; "context"]
36 if List.mem n reserved then !G.alpha ^ n else n
38 let out_preamble och =
39 let ich = open_in !G.preamble in
40 let rec aux () = KP.fprintf och "%s\n" (input_line ich); aux () in
41 try aux () with End_of_file -> close_in ich
43 let out_top_comment och msg =
44 KP.fprintf och "%% %s\n\n" msg
46 let out_comment och msg =
47 KP.fprintf och "%% %s\n" msg
49 let out_clause och msg =
50 KP.fprintf och "%s\n\n" msg
53 let str = U.string_of_uri u in
56 if c = '.' then () else begin
57 output_char och (if c = '/' then '_' else c);
62 if n <= 0 then succ i else
63 strip (String.index_from str (succ i) '/') (pred n)
69 | true -> KP.fprintf och "%s" (alpha n)
70 | false -> KP.fprintf och "_"
72 let err () = f "" false in
75 let rec out_term st e och = function
77 let sort = if h = 0 then "k+set" else if h = 1 then "k+prop" else assert false in
78 KP.fprintf och "(sort %s)" sort
80 let _, _, a, b = B.get e i in
81 KP.fprintf och "%a" out_name a
83 KP.fprintf och "%a" out_uri s
85 KP.fprintf och "(cast %a %a)" (out_term st e) u (out_term st e) t
86 | B.Appl (_, x, v, t) ->
87 let c = if x then "appx" else "appr" in
88 KP.fprintf och "(%s %a %a)" c (out_term st e) v (out_term st e) t
89 | B.Bind (a, B.Abst (r, n, w), t) ->
90 let a = R.alpha B.mem e a in
91 let ee = B.push e B.empty a (B.abst r n w) in
92 let c = if r then "prod" else "abst" in
93 let l = match N.to_string st n with
96 | _ -> ok := false; "?"
98 KP.fprintf och "(%s %s %a %a\\ %a)"
99 c l (out_term st e) w out_name a (out_term st ee) t
100 | B.Bind (a, B.Abbr v, t) ->
101 let a = R.alpha B.mem e a in
102 let ee = B.push e B.empty a (B.abbr v) in
103 KP.fprintf och "(abbr %a %a\\ %a)"
104 (out_term st e) v out_name a (out_term st ee) t
105 | B.Bind (a, B.Void, t) ->
106 let a = R.alpha B.mem e a in
107 let ee = B.push e B.empty a (B.Void) in
108 KP.fprintf och "(void %a\\ %a)"
109 out_name a (out_term st ee) t
111 (* variant 1 *************************************************)
113 let output_entity_1 och st (_, na, s, b) =
114 if na.E.n_apix <= !G.last then begin
117 KP.fprintf och "(gdef+1 c+%u %a\n %a\\\n" na.E.n_apix (out_term st B.empty) t out_uri s;
118 uris := (true, s) :: !uris; !ok
120 KP.fprintf och "(gdec+1 c+%u %a\n%a\\\n" na.E.n_apix (out_term st B.empty) u out_uri s;
121 uris := (false, s) :: !uris; !ok
125 let close_out_1 och () =
126 let aux_sep _ = KP.fprintf och "%s" ")" in
127 KP.fprintf och "%s" "gtop";
128 List.iter aux_sep !uris;
129 out_clause och "\n\n).";
132 (* Variant 2 *************************************************)
134 let output_entity_2 och st (_, na, s, b) =
135 if na.E.n_apix <= !G.last then begin
138 KP.fprintf och "g+line %a c+%u\n %a\n.\n\n"
139 out_uri s na.E.n_apix (out_term st B.empty) t;
140 uris := (true, s) :: !uris; !ok
142 KP.fprintf och "g+line %a c+%u\n %a\n.\n\n"
143 out_uri s na.E.n_apix (out_term st B.empty) u;
144 uris := (false, s) :: !uris; !ok
148 let close_out_2 och () =
149 let aux_name (b, s) =
150 let gde = if b then "gdef+2" else "gdec+2" in
151 KP.fprintf och "(%s %a\n" gde out_uri s
153 let aux_sep _ = KP.fprintf och "%s" ")" in
154 if !G.first > 0 then begin
155 let s = KP.sprintf "tv+c C T :- $lt C c+%u, !." !G.first in
157 out_clause och "tv+c C T :- tv+ T."
159 out_clause och "main :- grundlagen.";
160 out_clause och "grundlagen :- (gv+ ";
161 List.iter aux_name (List.rev !uris);
162 KP.fprintf och "%s" "gtop";
163 List.iter aux_sep !uris;
164 out_clause och "\n\n).";
167 (* Interface functions ******************************************************)
169 let open_out_1 fname =
170 let dir = KF.concat !G.manager_dir base in
171 let path = KF.concat dir fname in
172 let och = open_out (path ^ "1" ^ ext) in
174 out_top_comment och (KP.sprintf "This file was generated by %s: do not edit" G.version_string);
175 out_clause och "main :- grundlagen.";
176 out_clause och "grundlagen :- gv+ (";
177 output_entity_1 och, close_out_1 och
179 let open_out_2 fname =
180 let dir = KF.concat !G.manager_dir base in
181 let path = KF.concat dir fname in
182 let och = open_out (path ^ "2" ^ ext) in
184 out_top_comment och (KP.sprintf "This file was generated by %s: do not edit" G.version_string);
185 output_entity_2 och, close_out_2 och