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_______________________________________________________________ *)
26 module AA = AutProcess
29 module XL = XmlLibrary
33 module BR = BrgReduction
34 module BU = BrgUntrusted
35 module BG = BrgGrafite
39 module ZU = BagUntrusted
50 och: out_channel option;
55 let bag_error st s msg =
56 L.error st.kst.S.lenv ZO.specs (L.Warn s :: msg)
58 let brg_error st s msg =
59 L.error st.kst.S.lenv BR.specs (L.Warn s :: msg)
61 let initial_status () = {
62 kst = S.initial_status ();
63 tst = TD.initial_status ();
64 pst = AA.initial_status ();
65 ast = AD.initial_status ();
66 ac = AO.initial_counters;
67 dc = DO.initial_counters;
68 bc = BO.initial_counters;
69 zc = ZO.initial_counters;
73 let refresh_status st = {st with
74 kst = S.refresh_status st.kst;
75 tst = TD.refresh_status st.tst;
76 ast = AD.refresh_status st.ast;
79 (* kernel related ***********************************************************)
81 type kernel_entity = BrgEntity of Brg.entity
82 | BagEntity of Bag.entity
83 | CrgEntity of Crg.entity
85 let print_counters st = function
86 | G.Crg -> DO.print_counters C.start st.dc
87 | G.Brg -> BO.print_counters C.start st.bc
88 | G.Bag -> ZO.print_counters C.start st.zc
90 let xlate_entity st entity = match !G.kernel, entity with
91 | G.Brg, CrgEntity e ->
92 let f e = (BrgEntity e) in E.xlate f BD.brg_of_crg e
93 | G.Bag, CrgEntity e ->
94 let f e = (BagEntity e) in E.xlate f (ZD.bag_of_crg st.kst.S.lenv) e
99 let s = U.string_of_uri u in
100 let err () = L.warn 2 (P.sprintf "<%s>" s) in
101 let f i = L.warn 2 (P.sprintf "[%u] <%s>" i s) in
105 | CrgEntity e -> E.common f e
106 | BrgEntity e -> E.common f e
107 | BagEntity e -> E.common f e
109 let count_entity st = function
110 | BrgEntity e -> {st with bc = BO.count_entity C.start st.bc e}
111 | BagEntity e -> {st with zc = ZO.count_entity C.start st.zc e}
112 | CrgEntity e -> {st with dc = DO.count_entity C.start st.dc e}
114 let export_entity st = function
115 | CrgEntity e -> XL.export_entity (XD.export_term st.kst.S.lenv) e
116 | BrgEntity e -> XL.export_entity (BO.export_term st.kst.S.lenv) e
117 | BagEntity e -> XL.export_entity (ZO.export_term st.kst.S.lenv) e
119 let type_check st k =
120 let brg_err msg = brg_error st "Type Error" msg; failwith "Interrupted" in
121 let bag_err msg = bag_error st "Type Error" msg; failwith "Interrupted" in
124 | BrgEntity entity -> BU.type_check brg_err ok st.kst entity
125 | BagEntity entity -> ZU.type_check bag_err ok st.kst entity
129 let brg_err msg = brg_error st "Validation Error" msg; failwith "Interrupted" in
132 | BrgEntity entity ->
133 let st = BU.validate brg_err ok st.kst entity in
134 begin match st.och with
137 if BG.output_entity st.kst.S.lenv och entity then st
138 else begin L.warn level "Matita exportation stopped"; {st with och = None} end
143 (* extended lexer ***********************************************************)
145 type 'token lexer = {
146 parse : Lexing.lexbuf -> 'token;
147 mutable tokbuf: 'token option;
151 let initial_lexer parse = {
152 parse = parse; tokbuf = None; unget = false
155 let token xl lexbuf = match xl.tokbuf with
156 | Some token when xl.unget ->
157 xl.unget <- false; token
159 let token = xl.parse lexbuf in
160 xl.tokbuf <- Some token; token
162 (* input related ************************************************************)
164 type input = Text | Automath
166 type input_entity = TxtEntity of Txt.command
167 | AutEntity of Aut.command
170 let type_of_input name =
171 if F.check_suffix name ".hln" then Text
172 else if F.check_suffix name ".aut" then
173 let _ = H.set_sorts 0 ["Set"; "Prop"] in
174 assert (H.set_graph "Z2");
177 L.warn level (P.sprintf "Unknown file type: %s" name); exit 2
180 let txt_xl = initial_lexer TxtLexer.token
182 let aut_xl = initial_lexer AutLexer.token
184 let parbuf = ref [] (* parser buffer *)
186 let gen_text command =
187 parbuf := TxtEntity command :: !parbuf
189 let entity_of_input lexbuf i = match i, !parbuf with
191 begin match AutParser.entry (token aut_xl) lexbuf with
192 | Some e -> aut_xl.unget <- true; AutEntity e
196 begin match TxtParser.entry (token txt_xl) lexbuf with
197 | Some e -> txt_xl.unget <- true; TxtEntity e
203 let process_input f st = function
205 let f pst e = f {st with pst = pst} (AutEntity e) in
206 AA.process_command f st.pst e
209 let count_input st = function
210 | AutEntity e -> {st with ac = AO.count_command C.start st.ac e}
213 (****************************************************************************)
215 let version = ref true
216 let preprocess = ref false
218 let export = ref false
219 let st = ref (initial_status ())
220 let streaming = ref false (* parsing style (temporary) *)
222 let process_2 st entity =
223 let st = if !G.summary then count_entity st entity else st in
224 if !export then export_entity st entity;
225 if !G.stage >= 3 then
226 let f = if !version then validate else type_check in
230 let process_1 st entity =
231 if !G.trace >= 3 then pp_progress entity;
232 let st = if !G.summary then count_entity st entity else st in
233 if !export && !G.stage = 1 then export_entity st entity;
234 if !G.stage >= 2 then process_2 st (xlate_entity st entity) else st
236 let process_0 st entity =
238 if !G.stage = 0 then st else
241 let err ast = {st with ast = ast} in
242 let g ast e = process_1 {st with ast = ast} (CrgEntity e) in
243 AD.crg_of_aut err g st.kst st.ast e
245 let crr tst = {st with tst = tst} in
246 let d tst e = process_1 {st with tst = tst} (CrgEntity e) in
247 TD.crg_of_txt crr d gen_text st.tst e
248 | NoEntity -> assert false
250 let st = if !G.summary then count_input st entity else st in
251 if !preprocess then process_input f st entity else f st entity
253 let process_nostreaming st lexbuf input =
255 let rec aux1 book = match entity_of_input lexbuf input with
256 | NoEntity -> List.rev book
257 | e -> aux1 (id e :: book)
259 let rec aux2 st = function
261 | entity :: tl -> aux2 (process_0 st entity) tl
265 let process_streaming st lexbuf input =
266 let rec aux st = match entity_of_input lexbuf input with
268 | e -> aux (process_0 st e)
272 (****************************************************************************)
274 let process st name =
275 let process = if !streaming then process_streaming else process_nostreaming in
276 let input = type_of_input name in
277 let ich = open_in name in
278 let lexbuf = Lexing.from_channel ich in
279 let st = process st lexbuf input in
281 (* if !G.cc then XL.export_csys st.kst.S.cc; *)
285 let print_version () = L.warn level (G.version_string ^ "\n"); exit 0 in
286 let set_hierarchy s =
287 if H.set_graph s then () else
288 L.warn level (P.sprintf "Unknown type hierarchy: %s" s)
290 let set_kernel = function
291 | "brg" -> G.kernel := G.Brg
292 | "bag" -> G.kernel := G.Bag
293 | s -> L.warn level (P.sprintf "Unknown kernel version: %s" s)
296 if !G.trace = 0 && i > 0 then Y.gmtime G.version_string;
297 if !G.trace > 0 && i = 0 then Y.utime_stamp "at exit";
299 if i <= 1 then G.summary := false;
300 if i <= 1 then preprocess := false
303 if !G.trace >= 2 then G.summary := true
305 let set_preprocess () =
306 if !G.trace >= 2 then begin preprocess := true; G.summary := true end
308 let clear_options () =
309 export := false; preprocess := false;
311 st := initial_status ();
312 G.clear (); H.clear (); O.clear_reductions ();
316 let process_file name =
317 if !G.trace >= 2 then L.warn 1 (P.sprintf "Processing file: %s" name);
318 if !G.trace >= 2 then Y.utime_stamp "started";
319 let base_name = Filename.chop_extension (Filename.basename name) in
320 let cover = F.concat !root base_name in
321 if !G.stage <= 1 then G.kernel := G.Crg;
323 if !G.ma_preamble <> "" then st := {!st with och = Some (BG.open_out base_name)};
324 let sst, input = process (refresh_status !st) name in
325 st := begin match sst.och with
327 | Some och -> BG.close_out och; {sst with och = None}
329 if !G.trace >= 2 then Y.utime_stamp "processed";
330 if !G.summary then begin
331 AO.print_counters C.start !st.ac;
332 if !preprocess then AO.print_process_counters C.start !st.pst;
333 if !G.stage >= 1 then print_counters !st G.Crg;
334 if !G.stage >= 2 then print_counters !st !G.kernel;
335 if !G.stage >= 3 then O.print_reductions ()
339 if !G.trace >= 1 then Y.utime_stamp "at exit"
342 "Usage: helena [ -LPVXdgilopqtx1 | -Ts <number> | -MO <dir> | -m <file> | -ahkr <string> ]* [ <file> ]*\n\n" ^
343 "Trace levels: 0 just errors (default), 1 time stamps, 2 processed files, 3 typing information,\n" ^
344 " 4 conversion information, 5 reduction information, 6 level disambiguation\n\n" ^
345 "Stages: 0 parsing, 1 to intermediate, 2 to untrusted, 3 to trusted (default)\n"
347 let help_L = " show lexer debug information" in
348 let help_M = "<dir> set location of output directory (Grafite) to <dir> (default: current directory)" in
349 let help_O = "<dir> set location of output directory (XML) to <dir> (default: current directory)" in
350 let help_P = " show parser debug information" in
351 let help_T = "<number> set trace level (see above)" in
352 let help_V = " show version information" in
353 let help_X = " clear options" in
355 let help_a = "<string> set prefix of numeric identifiers (default: empty)" in
356 let help_d = " show summary information (requires trace >= 2)" in
357 let help_g = " always expand global definitions" in
358 let help_h = "<string> set type hierarchy (default: \"Z1\")" in
359 let help_i = " show local references by index" in
360 let help_k = "<string> set kernel version (default: \"brg\")" in
361 let help_l = " disambiguate binders level (Automath)" in
362 let help_m = "<file> export kernel entities (Grafite) setting location of preamble to <file> (default: empty)" in
363 let help_o = " activate sort inclusion (default: false)" in
364 let help_p = " preprocess source (Automath)" in
365 let help_q = " disable quotation of identifiers" in
366 let help_r = "<string> set initial segment of URI hierarchy (default: empty)" in
367 let help_s = "<number> set translation stage (see above)" in
368 let help_t = " type check [version 1]" in
369 let help_x = " export kernel entities (XML)" in
371 let help_1 = " parse files with streaming policy" in
374 ("-L", Arg.Set G.debug_lexer, help_L);
375 ("-M", Arg.String ((:=) G.ma_dir), help_M);
376 ("-O", Arg.String ((:=) G.xdir), help_O);
377 ("-P", Arg.Set G.debug_parser, help_P);
378 ("-T", Arg.Int set_trace, help_T);
379 ("-V", Arg.Unit print_version, help_V);
380 ("-X", Arg.Unit clear_options, help_X);
381 ("-a", Arg.String ((:=) G.alpha), help_a);
382 ("-d", Arg.Unit set_summary, help_d);
383 ("-g", Arg.Set G.expand, help_g);
384 ("-h", Arg.String set_hierarchy, help_h);
385 ("-i", Arg.Set G.indexes, help_i);
386 ("-k", Arg.String set_kernel, help_k);
387 ("-l", Arg.Set G.cc, help_l);
388 ("-m", Arg.String ((:=) G.ma_preamble), help_m);
389 ("-o", Arg.Set G.si, help_o);
390 ("-p", Arg.Unit set_preprocess, help_p);
391 ("-q", Arg.Set G.unquote, help_q);
392 ("-r", Arg.String ((:=) root), help_r);
393 ("-s", Arg.Int ((:=) G.stage), help_s);
394 ("-t", Arg.Clear version, help_t);
395 ("-x", Arg.Set export, help_x);
396 ("-1", Arg.Set streaming, help_1);