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 module XL = XmlLibrary
25 module AA = AutProcess
30 module MO = MetaOutput
34 module BR = BrgReduction
35 module BU = BrgUntrusted
39 module ZU = BagUntrusted
53 let flush_all () = L.flush 0; L.flush_err ()
56 L.error ZO.specs (L.Warn s :: L.Loc :: msg); flush_all ()
59 L.error BR.specs (L.Warn s :: L.Loc :: msg); flush_all ()
61 let initial_status () = {
62 ac = AO.initial_counters;
63 mc = MO.initial_counters;
64 brgc = BO.initial_counters;
65 bagc = ZO.initial_counters;
66 mst = MA.initial_status ();
67 dst = AD.initial_status ();
68 tst = TD.initial_status ();
69 ast = AA.initial_status ();
70 kst = S.initial_status ()
73 let refresh_status st = {st with
74 mst = MA.refresh_status st.mst;
75 dst = AD.refresh_status st.dst;
76 tst = TD.refresh_status st.tst;
77 kst = S.refresh_status st.kst
80 (* kernel related ***********************************************************)
82 type kernel_entity = BrgEntity of Brg.entity
83 | BagEntity of Bag.entity
84 | CrgEntity of Crg.entity
85 | MetaEntity of Meta.entity
87 let print_counters st = function
88 | G.Brg -> BO.print_counters C.start st.brgc
89 | G.Bag -> ZO.print_counters C.start st.bagc
92 let xlate_entity entity = match !G.kernel, entity with
93 | G.Brg, CrgEntity e ->
94 let f e = (BrgEntity e) in E.xlate f BD.brg_of_crg e
95 | G.Brg, MetaEntity e ->
96 let f e = (BrgEntity e) in E.xlate f MB.brg_of_meta e
97 | G.Bag, MetaEntity e ->
98 let f e = (BagEntity e) in E.xlate f MZ.bag_of_meta e
103 let s = U.string_of_uri u in
104 let err () = L.warn (P.sprintf "%s" s) in
105 let f i = L.warn (P.sprintf "[%u] %s" i s) in
109 | CrgEntity e -> E.common f e
110 | BrgEntity e -> E.common f e
111 | BagEntity e -> E.common f e
112 | MetaEntity e -> E.common f e
114 let count_entity st = function
115 | MetaEntity e -> {st with mc = MO.count_entity C.start st.mc e}
116 | BrgEntity e -> {st with brgc = BO.count_entity C.start st.brgc e}
117 | BagEntity e -> {st with bagc = ZO.count_entity C.start st.bagc e}
120 let export_entity = function
121 | CrgEntity e -> XL.export_entity XD.export_term e
122 | BrgEntity e -> XL.export_entity BO.export_term e
126 let type_check st k =
127 let brg_err msg = brg_error "Type Error" msg; failwith "Interrupted" in
130 | BrgEntity entity -> BU.type_check brg_err ok st.kst entity
131 | BagEntity entity -> ZU.type_check ok st.kst entity
135 (* extended lexer ***********************************************************)
137 type 'token lexer = {
138 parse : Lexing.lexbuf -> 'token;
139 mutable tokbuf: 'token option;
143 let initial_lexer parse = {
144 parse = parse; tokbuf = None; unget = false
147 let token xl lexbuf = match xl.tokbuf with
148 | Some token when xl.unget ->
149 xl.unget <- false; token
151 let token = xl.parse lexbuf in
152 xl.tokbuf <- Some token; token
154 (* input related ************************************************************)
156 type input = Text | Automath
158 type input_entity = TxtEntity of Txt.command
159 | AutEntity of Aut.command
162 let type_of_input name =
163 if F.check_suffix name ".hln" then Text
164 else if F.check_suffix name ".aut" then
165 let _ = H.set_sorts 0 ["Set"; "Prop"] in
166 assert (H.set_graph "Z2");
169 L.warn (P.sprintf "Unknown file type: %s" name); exit 2
172 let txt_xl = initial_lexer TxtLexer.token
174 let aut_xl = initial_lexer AutLexer.token
176 let parbuf = ref [] (* parser buffer *)
178 let gen_text command =
179 parbuf := TxtEntity command :: !parbuf
181 let entity_of_input lexbuf i = match i, !parbuf with
183 begin match AutParser.entry (token aut_xl) lexbuf with
184 | Some e -> aut_xl.unget <- true; AutEntity e
188 begin match TxtParser.entry (token txt_xl) lexbuf with
189 | Some e -> txt_xl.unget <- true; TxtEntity e
195 let process_input f st = function
197 let f ast e = f {st with ast = ast} (AutEntity e) in
198 AA.process_command f st.ast e
201 let count_input st = function
202 | AutEntity e -> {st with ac = AO.count_command C.start st.ac e}
205 (****************************************************************************)
208 let progress = ref false
209 let preprocess = ref false
211 let export = ref false
213 let st = ref (initial_status ())
214 let streaming = ref false (* parsing style (temporary) *)
216 let process_2 st entity =
217 let st = if !L.level > 2 then count_entity st entity else st in
218 if !export then export_entity entity;
219 if !stage > 2 then type_check st entity else st
221 let process_1 st entity =
222 if !progress then pp_progress entity;
223 let st = if !L.level > 2 then count_entity st entity else st in
224 if !export && !stage = 1 then export_entity entity;
225 if !stage > 1 then process_2 st (xlate_entity entity) else st
227 let process_0 st entity =
229 if !stage = 0 then st else
230 match entity, !old with
231 | AutEntity e, true ->
232 let frr mst = {st with mst = mst} in
233 let h mst e = process_1 {st with mst = mst} (MetaEntity e) in
234 MA.meta_of_aut frr h st.mst e
235 | AutEntity e, false ->
236 let err dst = {st with dst = dst} in
237 let g dst e = process_1 {st with dst = dst} (CrgEntity e) in
238 AD.crg_of_aut err g st.dst e
240 let crr tst = {st with tst = tst} in
241 let d tst e = process_1 {st with tst = tst} (CrgEntity e) in
242 TD.crg_of_txt crr d gen_text st.tst e
243 | NoEntity, _ -> assert false
245 let st = if !L.level > 2 then count_input st entity else st in
246 if !preprocess then process_input f st entity else f st entity
248 let process_nostreaming st lexbuf input =
250 let rec aux1 book = match entity_of_input lexbuf input with
251 | NoEntity -> List.rev book
252 | e -> aux1 (id e :: book)
254 let rec aux2 st = function
256 | entity :: tl -> aux2 (process_0 st entity) tl
260 let process_streaming st lexbuf input =
261 let rec aux st = match entity_of_input lexbuf input with
263 | e -> aux (process_0 st e)
267 (****************************************************************************)
269 let process st name =
270 let process = if !streaming then process_streaming else process_nostreaming in
271 let input = type_of_input name in
272 let ich = open_in name in
273 let lexbuf = Lexing.from_channel ich in
274 let st = process st lexbuf input in
276 if !stage > 2 && !G.cc && !G.si then XL.export_csys st.kst.S.cc;
281 let version_string = "Helena 0.8.1 M - October 2010" in
282 let print_version () = L.warn (version_string ^ "\n"); exit 0 in
283 let set_hierarchy s =
284 if H.set_graph s then () else
285 L.warn (P.sprintf "Unknown type hierarchy: %s" s)
287 let set_kernel = function
288 | "brg" -> G.kernel := G.Brg
289 | "bag" -> G.kernel := G.Bag
290 | s -> L.warn (P.sprintf "Unknown kernel version: %s" s)
292 let set_summary i = L.level := i in
293 let set_stage i = stage := i in
294 let set_xdir s = G.xdir := s in
295 let set_root s = root := s in
296 let clear_options () =
297 progress := false; old := false; export := false; preprocess := false;
298 stage := 3; root := "";
299 st := initial_status ();
300 L.clear (); G.clear (); H.clear (); O.clear_reductions ();
303 let process_file name =
304 if !L.level > 0 then Y.gmtime version_string;
306 L.warn (P.sprintf "Processing file: %s" name);
307 if !L.level > 0 then Y.utime_stamp "started";
308 let base_name = Filename.chop_extension (Filename.basename name) in
309 let cover = F.concat !root base_name in
310 if !stage < 2 then G.kernel := G.Crg;
312 let sst, input = process (refresh_status !st) name in
314 if !L.level > 0 then Y.utime_stamp "processed";
315 if !L.level > 2 then begin
316 AO.print_counters C.start !st.ac;
317 if !preprocess then AO.print_process_counters C.start !st.ast;
318 if !stage > 0 then MO.print_counters C.start !st.mc;
319 if !stage > 1 then print_counters !st !G.kernel;
320 if !stage > 2 then O.print_reductions ()
324 if !L.level > 0 then Y.utime_stamp "at exit";
328 "Usage: helena [ -LPVXcgijopqux1 | -Ss <number> | -O <dir> | -hkr <string> ]* [ <file> ]*\n\n" ^
329 "Summary levels: 0 just errors (default), 1 time stamps, 2 processed file names, \
330 3 data information, 4 typing information, 5 reduction information\n\n" ^
331 "Stages: 0 parsing, 1 to intermediate, 2 to untrusted, 3 to trusted (default)\n"
333 let help_L = " show lexer debug information" in
334 let help_O = "<dir> set location of output directory (XML) to <dir> (default: current directory)" in
335 let help_P = " show parser debug information" in
336 let help_S = "<number> set summary level (see above)" in
337 let help_V = " show version information" in
338 let help_X = " clear options" in
340 let help_c = " read/write conversion constraints" in
341 let help_g = " always expand global definitions" in
342 let help_h = "<string> set type hierarchy (default: \"Z1\")" in
343 let help_i = " show local references by index" in
344 let help_j = " show URI of processed kernel objects" in
345 let help_k = "<string> set kernel version (default: \"brg\")" in
346 let help_o = " use old abstract language instead of crg" in
347 let help_p = " preprocess source" in
348 let help_q = " disable quotation of identifiers" in
349 let help_r = "<string> set initial segment of URI hierarchy (default: empty)" in
350 let help_s = "<number> set translation stage (see above)" in
351 let help_u = " activate sort inclusion" in
352 let help_x = " export kernel entities (XML)" in
354 let help_1 = " parse files with streaming policy" in
355 L.box 0; L.box_err ();
358 ("-L", Arg.Set G.debug_lexer, help_L);
359 ("-O", Arg.String set_xdir, help_O);
360 ("-P", Arg.Set G.debug_parser, help_P);
361 ("-S", Arg.Int set_summary, help_S);
362 ("-V", Arg.Unit print_version, help_V);
363 ("-X", Arg.Unit clear_options, help_X);
364 ("-c", Arg.Set G.cc, help_c);
365 ("-g", Arg.Set G.expand, help_g);
366 ("-h", Arg.String set_hierarchy, help_h);
367 ("-i", Arg.Set G.indexes, help_i);
368 ("-j", Arg.Set progress, help_j);
369 ("-k", Arg.String set_kernel, help_k);
370 ("-o", Arg.Set old, help_o);
371 ("-p", Arg.Set preprocess, help_p);
372 ("-q", Arg.Set G.unquote, help_q);
373 ("-r", Arg.String set_root, help_r);
374 ("-s", Arg.Int set_stage, help_s);
375 ("-u", Arg.Set G.si, help_u);
376 ("-x", Arg.Set export, help_x);
377 ("-1", Arg.Set streaming, help_1);
379 with ZT.TypeError msg -> bag_error "Type Error" msg