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_______________________________________________________________ *)
25 module AA = AutProcess
28 module XL = XmlLibrary
32 module BR = BrgReduction
33 module BU = BrgUntrusted
37 module ZU = BagUntrusted
50 let flush_all () = L.flush 0; L.flush_err ()
53 L.error ZO.specs (L.Warn s :: L.Loc :: msg); flush_all ()
56 L.error BR.specs (L.Warn s :: L.Loc :: msg); flush_all ()
58 let initial_status () = {
59 kst = S.initial_status ();
60 tst = TD.initial_status ();
61 pst = AA.initial_status ();
62 ast = AD.initial_status ();
63 ac = AO.initial_counters;
64 dc = DO.initial_counters;
65 bc = BO.initial_counters;
66 zc = ZO.initial_counters;
69 let refresh_status st = {st with
70 kst = S.refresh_status st.kst;
71 tst = TD.refresh_status st.tst;
72 ast = AD.refresh_status st.ast;
75 (* kernel related ***********************************************************)
77 type kernel_entity = BrgEntity of Brg.entity
78 | BagEntity of Bag.entity
79 | CrgEntity of Crg.entity
81 let print_counters st = function
82 | G.Crg -> DO.print_counters C.start st.dc
83 | G.Brg -> BO.print_counters C.start st.bc
84 | G.Bag -> ZO.print_counters C.start st.zc
86 let xlate_entity entity = match !G.kernel, entity with
87 | G.Brg, CrgEntity e ->
88 let f e = (BrgEntity e) in E.xlate f BD.brg_of_crg e
89 | G.Bag, CrgEntity e ->
90 let f e = (BagEntity e) in E.xlate f ZD.bag_of_crg e
95 let s = U.string_of_uri u in
96 let err () = L.warn (P.sprintf "%s" s) in
97 let f i = L.warn (P.sprintf "[%u] %s" i s) in
101 | CrgEntity e -> E.common f e
102 | BrgEntity e -> E.common f e
103 | BagEntity e -> E.common f e
105 let count_entity st = function
106 | BrgEntity e -> {st with bc = BO.count_entity C.start st.bc e}
107 | BagEntity e -> {st with zc = ZO.count_entity C.start st.zc e}
108 | CrgEntity e -> {st with dc = DO.count_entity C.start st.dc e}
110 let export_entity = function
111 | CrgEntity e -> XL.export_entity XD.export_term e
112 | BrgEntity e -> XL.export_entity BO.export_term e
113 | BagEntity e -> XL.export_entity ZO.export_term e
115 let type_check st k =
116 let brg_err msg = brg_error "Type Error" msg; failwith "Interrupted" in
119 | BrgEntity entity -> BU.type_check brg_err ok st.kst entity
120 | BagEntity entity -> ZU.type_check ok st.kst entity
123 (* extended lexer ***********************************************************)
125 type 'token lexer = {
126 parse : Lexing.lexbuf -> 'token;
127 mutable tokbuf: 'token option;
131 let initial_lexer parse = {
132 parse = parse; tokbuf = None; unget = false
135 let token xl lexbuf = match xl.tokbuf with
136 | Some token when xl.unget ->
137 xl.unget <- false; token
139 let token = xl.parse lexbuf in
140 xl.tokbuf <- Some token; token
142 (* input related ************************************************************)
144 type input = Text | Automath
146 type input_entity = TxtEntity of Txt.command
147 | AutEntity of Aut.command
150 let type_of_input name =
151 if F.check_suffix name ".hln" then Text
152 else if F.check_suffix name ".aut" then
153 let _ = H.set_sorts 0 ["Set"; "Prop"] in
154 assert (H.set_graph "Z2");
157 L.warn (P.sprintf "Unknown file type: %s" name); exit 2
160 let txt_xl = initial_lexer TxtLexer.token
162 let aut_xl = initial_lexer AutLexer.token
164 let parbuf = ref [] (* parser buffer *)
166 let gen_text command =
167 parbuf := TxtEntity command :: !parbuf
169 let entity_of_input lexbuf i = match i, !parbuf with
171 begin match AutParser.entry (token aut_xl) lexbuf with
172 | Some e -> aut_xl.unget <- true; AutEntity e
176 begin match TxtParser.entry (token txt_xl) lexbuf with
177 | Some e -> txt_xl.unget <- true; TxtEntity e
183 let process_input f st = function
185 let f pst e = f {st with pst = pst} (AutEntity e) in
186 AA.process_command f st.pst e
189 let count_input st = function
190 | AutEntity e -> {st with ac = AO.count_command C.start st.ac e}
193 (****************************************************************************)
196 let progress = ref false
197 let preprocess = ref false
199 let export = ref false
200 let st = ref (initial_status ())
201 let streaming = ref false (* parsing style (temporary) *)
203 let process_2 st entity =
204 let st = if !L.level > 2 then count_entity st entity else st in
205 if !export then export_entity entity;
206 if !stage > 2 then type_check st entity else st
208 let process_1 st entity =
209 if !progress then pp_progress entity;
210 let st = if !L.level > 2 then count_entity st entity else st in
211 if !export && !stage = 1 then export_entity entity;
212 if !stage > 1 then process_2 st (xlate_entity entity) else st
214 let process_0 st entity =
216 if !stage = 0 then st else
219 let err ast = {st with ast = ast} in
220 let g ast e = process_1 {st with ast = ast} (CrgEntity e) in
221 AD.crg_of_aut err g st.ast e
223 let crr tst = {st with tst = tst} in
224 let d tst e = process_1 {st with tst = tst} (CrgEntity e) in
225 TD.crg_of_txt crr d gen_text st.tst e
226 | NoEntity -> assert false
228 let st = if !L.level > 2 then count_input st entity else st in
229 if !preprocess then process_input f st entity else f st entity
231 let process_nostreaming st lexbuf input =
233 let rec aux1 book = match entity_of_input lexbuf input with
234 | NoEntity -> List.rev book
235 | e -> aux1 (id e :: book)
237 let rec aux2 st = function
239 | entity :: tl -> aux2 (process_0 st entity) tl
243 let process_streaming st lexbuf input =
244 let rec aux st = match entity_of_input lexbuf input with
246 | e -> aux (process_0 st e)
250 (****************************************************************************)
252 let process st name =
253 let process = if !streaming then process_streaming else process_nostreaming in
254 let input = type_of_input name in
255 let ich = open_in name in
256 let lexbuf = Lexing.from_channel ich in
257 let st = process st lexbuf input in
259 if !stage > 2 && !G.cc && !G.si then XL.export_csys st.kst.S.cc;
264 let version_string = "Helena 0.8.2 M - January 2011" in
265 let print_version () = L.warn (version_string ^ "\n"); exit 0 in
266 let set_hierarchy s =
267 if H.set_graph s then () else
268 L.warn (P.sprintf "Unknown type hierarchy: %s" s)
270 let set_kernel = function
271 | "brg" -> G.kernel := G.Brg
272 | "bag" -> G.kernel := G.Bag
273 | s -> L.warn (P.sprintf "Unknown kernel version: %s" s)
275 let set_summary i = L.level := i in
276 let set_stage i = stage := i in
277 let set_xdir s = G.xdir := s in
278 let set_root s = root := s in
279 let clear_options () =
280 progress := false; export := false; preprocess := false;
281 stage := 3; root := "";
282 st := initial_status ();
283 L.clear (); G.clear (); H.clear (); O.clear_reductions ();
286 let process_file name =
287 if !L.level > 0 then Y.gmtime version_string;
289 L.warn (P.sprintf "Processing file: %s" name);
290 if !L.level > 0 then Y.utime_stamp "started";
291 let base_name = Filename.chop_extension (Filename.basename name) in
292 let cover = F.concat !root base_name in
293 if !stage < 2 then G.kernel := G.Crg;
295 let sst, input = process (refresh_status !st) name in
297 if !L.level > 0 then Y.utime_stamp "processed";
298 if !L.level > 2 then begin
299 AO.print_counters C.start !st.ac;
300 if !preprocess then AO.print_process_counters C.start !st.pst;
301 if !stage > 0 then print_counters !st G.Crg;
302 if !stage > 1 then print_counters !st !G.kernel;
303 if !stage > 2 then O.print_reductions ()
307 if !L.level > 0 then Y.utime_stamp "at exit";
311 "Usage: helena [ -LPVXcgijopqx1 | -Ss <number> | -O <dir> | -hkr <string> ]* [ <file> ]*\n\n" ^
312 "Summary levels: 0 just errors (default), 1 time stamps, 2 processed file names, \
313 3 data information, 4 typing information, 5 reduction information\n\n" ^
314 "Stages: 0 parsing, 1 to intermediate, 2 to untrusted, 3 to trusted (default)\n"
316 let help_L = " show lexer debug information" in
317 let help_O = "<dir> set location of output directory (XML) to <dir> (default: current directory)" in
318 let help_P = " show parser debug information" in
319 let help_S = "<number> set summary level (see above)" in
320 let help_V = " show version information" in
321 let help_X = " clear options" in
323 let help_c = " read/write conversion constraints" in
324 let help_g = " always expand global definitions" in
325 let help_h = "<string> set type hierarchy (default: \"Z1\")" in
326 let help_i = " show local references by index" in
327 let help_j = " show URI of processed kernel objects" in
328 let help_k = "<string> set kernel version (default: \"brg\")" in
329 let help_o = " activate sort inclusion" in
330 let help_p = " preprocess source" in
331 let help_q = " disable quotation of identifiers" in
332 let help_r = "<string> set initial segment of URI hierarchy (default: empty)" in
333 let help_s = "<number> set translation stage (see above)" in
334 let help_x = " export kernel entities (XML)" in
336 let help_1 = " parse files with streaming policy" in
337 L.box 0; L.box_err ();
340 ("-L", Arg.Set G.debug_lexer, help_L);
341 ("-O", Arg.String set_xdir, help_O);
342 ("-P", Arg.Set G.debug_parser, help_P);
343 ("-S", Arg.Int set_summary, help_S);
344 ("-V", Arg.Unit print_version, help_V);
345 ("-X", Arg.Unit clear_options, help_X);
346 ("-c", Arg.Set G.cc, help_c);
347 ("-g", Arg.Set G.expand, help_g);
348 ("-h", Arg.String set_hierarchy, help_h);
349 ("-i", Arg.Set G.indexes, help_i);
350 ("-j", Arg.Set progress, help_j);
351 ("-k", Arg.String set_kernel, help_k);
352 ("-o", Arg.Set G.si, help_o);
353 ("-p", Arg.Set preprocess, help_p);
354 ("-q", Arg.Set G.unquote, help_q);
355 ("-r", Arg.String set_root, help_r);
356 ("-s", Arg.Int set_stage, help_s);
357 ("-x", Arg.Set export, help_x);
358 ("-1", Arg.Set streaming, help_1);
360 with ZT.TypeError msg -> bag_error "Type Error" msg