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_______________________________________________________________ *)
24 module AA = AutProcess
28 module XL = XmlLibrary
32 module BR = BrgReduction
33 module BU = BrgUntrusted
36 module ZU = BagUntrusted
39 module MO = MetaOutput
56 let flush_all () = L.flush 0; L.flush_err ()
59 L.error ZO.specs (L.Warn s :: L.Loc :: msg); flush_all ()
62 L.error BR.specs (L.Warn s :: L.Loc :: msg); flush_all ()
64 let initial_status () = {
65 kst = S.initial_status ();
66 tst = TD.initial_status ();
67 pst = AA.initial_status ();
68 ast = AD.initial_status ();
69 ac = AO.initial_counters;
70 dc = DO.initial_counters;
71 bc = BO.initial_counters;
72 zc = ZO.initial_counters;
73 mst = MA.initial_status ();
74 mc = MO.initial_counters;
77 let refresh_status st = {st with
78 kst = S.refresh_status st.kst;
79 tst = TD.refresh_status st.tst;
80 ast = AD.refresh_status st.ast;
81 mst = MA.refresh_status st.mst;
84 (* kernel related ***********************************************************)
86 type kernel_entity = BrgEntity of Brg.entity
87 | BagEntity of Bag.entity
88 | CrgEntity of Crg.entity
89 | MetaEntity of Meta.entity
91 let print_counters st = function
92 | G.Crg -> DO.print_counters C.start st.dc
93 | G.Brg -> BO.print_counters C.start st.bc
94 | G.Bag -> ZO.print_counters C.start st.zc
96 let xlate_entity entity = match !G.kernel, entity with
97 | G.Brg, CrgEntity e ->
98 let f e = (BrgEntity e) in E.xlate f BD.brg_of_crg e
99 | G.Brg, MetaEntity e ->
100 let f e = (BrgEntity e) in E.xlate f MB.brg_of_meta e
101 | G.Bag, MetaEntity e ->
102 let f e = (BagEntity e) in E.xlate f MZ.bag_of_meta e
103 | _, entity -> entity
107 let s = U.string_of_uri u in
108 let err () = L.warn (P.sprintf "%s" s) in
109 let f i = L.warn (P.sprintf "[%u] %s" i s) in
113 | CrgEntity e -> E.common f e
114 | BrgEntity e -> E.common f e
115 | BagEntity e -> E.common f e
116 | MetaEntity e -> E.common f e
118 let count_entity st = function
119 | BrgEntity e -> {st with bc = BO.count_entity C.start st.bc e}
120 | BagEntity e -> {st with zc = ZO.count_entity C.start st.zc e}
121 | CrgEntity e -> {st with dc = DO.count_entity C.start st.dc e}
122 | MetaEntity e -> {st with mc = MO.count_entity C.start st.mc e}
124 let export_entity = function
125 | CrgEntity e -> XL.export_entity XD.export_term e
126 | BrgEntity e -> XL.export_entity BO.export_term e
130 let type_check st k =
131 let brg_err msg = brg_error "Type Error" msg; failwith "Interrupted" in
134 | BrgEntity entity -> BU.type_check brg_err ok st.kst entity
135 | BagEntity entity -> ZU.type_check ok st.kst entity
139 (* extended lexer ***********************************************************)
141 type 'token lexer = {
142 parse : Lexing.lexbuf -> 'token;
143 mutable tokbuf: 'token option;
147 let initial_lexer parse = {
148 parse = parse; tokbuf = None; unget = false
151 let token xl lexbuf = match xl.tokbuf with
152 | Some token when xl.unget ->
153 xl.unget <- false; token
155 let token = xl.parse lexbuf in
156 xl.tokbuf <- Some token; token
158 (* input related ************************************************************)
160 type input = Text | Automath
162 type input_entity = TxtEntity of Txt.command
163 | AutEntity of Aut.command
166 let type_of_input name =
167 if F.check_suffix name ".hln" then Text
168 else if F.check_suffix name ".aut" then
169 let _ = H.set_sorts 0 ["Set"; "Prop"] in
170 assert (H.set_graph "Z2");
173 L.warn (P.sprintf "Unknown file type: %s" name); exit 2
176 let txt_xl = initial_lexer TxtLexer.token
178 let aut_xl = initial_lexer AutLexer.token
180 let parbuf = ref [] (* parser buffer *)
182 let gen_text command =
183 parbuf := TxtEntity command :: !parbuf
185 let entity_of_input lexbuf i = match i, !parbuf with
187 begin match AutParser.entry (token aut_xl) lexbuf with
188 | Some e -> aut_xl.unget <- true; AutEntity e
192 begin match TxtParser.entry (token txt_xl) lexbuf with
193 | Some e -> txt_xl.unget <- true; TxtEntity e
199 let process_input f st = function
201 let f pst e = f {st with pst = pst} (AutEntity e) in
202 AA.process_command f st.pst e
205 let count_input st = function
206 | AutEntity e -> {st with ac = AO.count_command C.start st.ac e}
209 (****************************************************************************)
212 let progress = ref false
213 let preprocess = ref false
215 let export = ref false
217 let st = ref (initial_status ())
218 let streaming = ref false (* parsing style (temporary) *)
220 let process_2 st entity =
221 let st = if !L.level > 2 then count_entity st entity else st in
222 if !export then export_entity entity;
223 if !stage > 2 then type_check st entity else st
225 let process_1 st entity =
226 if !progress then pp_progress entity;
227 let st = if !L.level > 2 then count_entity st entity else st in
228 if !export && !stage = 1 then export_entity entity;
229 if !stage > 1 then process_2 st (xlate_entity entity) else st
231 let process_0 st entity =
233 if !stage = 0 then st else
234 match entity, !old with
235 | AutEntity e, true ->
236 let frr mst = {st with mst = mst} in
237 let h mst e = process_1 {st with mst = mst} (MetaEntity e) in
238 MA.meta_of_aut frr h st.mst e
239 | AutEntity e, false ->
240 let err ast = {st with ast = ast} in
241 let g ast e = process_1 {st with ast = ast} (CrgEntity e) in
242 AD.crg_of_aut err g st.ast e
244 let crr tst = {st with tst = tst} in
245 let d tst e = process_1 {st with tst = tst} (CrgEntity e) in
246 TD.crg_of_txt crr d gen_text st.tst e
247 | NoEntity, _ -> assert false
249 let st = if !L.level > 2 then count_input st entity else st in
250 if !preprocess then process_input f st entity else f st entity
252 let process_nostreaming st lexbuf input =
254 let rec aux1 book = match entity_of_input lexbuf input with
255 | NoEntity -> List.rev book
256 | e -> aux1 (id e :: book)
258 let rec aux2 st = function
260 | entity :: tl -> aux2 (process_0 st entity) tl
264 let process_streaming st lexbuf input =
265 let rec aux st = match entity_of_input lexbuf input with
267 | e -> aux (process_0 st e)
271 (****************************************************************************)
273 let process st name =
274 let process = if !streaming then process_streaming else process_nostreaming in
275 let input = type_of_input name in
276 let ich = open_in name in
277 let lexbuf = Lexing.from_channel ich in
278 let st = process st lexbuf input in
280 if !stage > 2 && !G.cc && !G.si then XL.export_csys st.kst.S.cc;
285 let version_string = "Helena 0.8.1 M - October 2010" in
286 let print_version () = L.warn (version_string ^ "\n"); exit 0 in
287 let set_hierarchy s =
288 if H.set_graph s then () else
289 L.warn (P.sprintf "Unknown type hierarchy: %s" s)
291 let set_kernel = function
292 | "brg" -> G.kernel := G.Brg
293 | "bag" -> G.kernel := G.Bag
294 | s -> L.warn (P.sprintf "Unknown kernel version: %s" s)
296 let set_summary i = L.level := i in
297 let set_stage i = stage := i in
298 let set_xdir s = G.xdir := s in
299 let set_root s = root := s in
300 let clear_options () =
301 progress := false; old := false; export := false; preprocess := false;
302 stage := 3; root := "";
303 st := initial_status ();
304 L.clear (); G.clear (); H.clear (); O.clear_reductions ();
307 let process_file name =
308 if !L.level > 0 then Y.gmtime version_string;
310 L.warn (P.sprintf "Processing file: %s" name);
311 if !L.level > 0 then Y.utime_stamp "started";
312 let base_name = Filename.chop_extension (Filename.basename name) in
313 let cover = F.concat !root base_name in
314 if !stage < 2 then G.kernel := G.Crg;
316 let sst, input = process (refresh_status !st) name in
318 if !L.level > 0 then Y.utime_stamp "processed";
319 if !L.level > 2 then begin
320 AO.print_counters C.start !st.ac;
321 if !preprocess then AO.print_process_counters C.start !st.pst;
323 if !old then MO.print_counters C.start !st.mc
324 else print_counters !st G.Crg;
325 if !stage > 1 then print_counters !st !G.kernel;
326 if !stage > 2 then O.print_reductions ()
330 if !L.level > 0 then Y.utime_stamp "at exit";
334 "Usage: helena [ -LPVXcgijopqux1 | -Ss <number> | -O <dir> | -hkr <string> ]* [ <file> ]*\n\n" ^
335 "Summary levels: 0 just errors (default), 1 time stamps, 2 processed file names, \
336 3 data information, 4 typing information, 5 reduction information\n\n" ^
337 "Stages: 0 parsing, 1 to intermediate, 2 to untrusted, 3 to trusted (default)\n"
339 let help_L = " show lexer debug information" in
340 let help_O = "<dir> set location of output directory (XML) to <dir> (default: current directory)" in
341 let help_P = " show parser debug information" in
342 let help_S = "<number> set summary level (see above)" in
343 let help_V = " show version information" in
344 let help_X = " clear options" in
346 let help_c = " read/write conversion constraints" in
347 let help_g = " always expand global definitions" in
348 let help_h = "<string> set type hierarchy (default: \"Z1\")" in
349 let help_i = " show local references by index" in
350 let help_j = " show URI of processed kernel objects" in
351 let help_k = "<string> set kernel version (default: \"brg\")" in
352 let help_o = " use old abstract language instead of crg" in
353 let help_p = " preprocess source" in
354 let help_q = " disable quotation of identifiers" in
355 let help_r = "<string> set initial segment of URI hierarchy (default: empty)" in
356 let help_s = "<number> set translation stage (see above)" in
357 let help_u = " activate sort inclusion" in
358 let help_x = " export kernel entities (XML)" in
360 let help_1 = " parse files with streaming policy" in
361 L.box 0; L.box_err ();
364 ("-L", Arg.Set G.debug_lexer, help_L);
365 ("-O", Arg.String set_xdir, help_O);
366 ("-P", Arg.Set G.debug_parser, help_P);
367 ("-S", Arg.Int set_summary, help_S);
368 ("-V", Arg.Unit print_version, help_V);
369 ("-X", Arg.Unit clear_options, help_X);
370 ("-c", Arg.Set G.cc, help_c);
371 ("-g", Arg.Set G.expand, help_g);
372 ("-h", Arg.String set_hierarchy, help_h);
373 ("-i", Arg.Set G.indexes, help_i);
374 ("-j", Arg.Set progress, help_j);
375 ("-k", Arg.String set_kernel, help_k);
376 ("-o", Arg.Set old, help_o);
377 ("-p", Arg.Set preprocess, help_p);
378 ("-q", Arg.Set G.unquote, help_q);
379 ("-r", Arg.String set_root, help_r);
380 ("-s", Arg.Int set_stage, help_s);
381 ("-u", Arg.Set G.si, help_u);
382 ("-x", Arg.Set export, help_x);
383 ("-1", Arg.Set streaming, help_1);
385 with ZT.TypeError msg -> bag_error "Type Error" msg