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
53 L.error ZO.specs (L.Warn s :: msg)
56 L.error BR.specs (L.Warn s :: msg)
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 2 (P.sprintf "<%s>" s) in
97 let f i = L.warn 2 (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
117 let bag_err msg = bag_error "Type Error" msg; failwith "Interrupted" in
120 | BrgEntity entity -> BU.type_check brg_err ok st.kst entity
121 | BagEntity entity -> ZU.type_check bag_err ok st.kst entity
125 let brg_err msg = brg_error "Validation Error" msg; failwith "Interrupted" in
128 | BrgEntity entity -> BU.validate brg_err ok st.kst entity
132 (* extended lexer ***********************************************************)
134 type 'token lexer = {
135 parse : Lexing.lexbuf -> 'token;
136 mutable tokbuf: 'token option;
140 let initial_lexer parse = {
141 parse = parse; tokbuf = None; unget = false
144 let token xl lexbuf = match xl.tokbuf with
145 | Some token when xl.unget ->
146 xl.unget <- false; token
148 let token = xl.parse lexbuf in
149 xl.tokbuf <- Some token; token
151 (* input related ************************************************************)
153 type input = Text | Automath
155 type input_entity = TxtEntity of Txt.command
156 | AutEntity of Aut.command
159 let type_of_input name =
160 if F.check_suffix name ".hln" then Text
161 else if F.check_suffix name ".aut" then
162 let _ = H.set_sorts 0 ["Set"; "Prop"] in
163 assert (H.set_graph "Z2");
166 L.warn level (P.sprintf "Unknown file type: %s" name); exit 2
169 let txt_xl = initial_lexer TxtLexer.token
171 let aut_xl = initial_lexer AutLexer.token
173 let parbuf = ref [] (* parser buffer *)
175 let gen_text command =
176 parbuf := TxtEntity command :: !parbuf
178 let entity_of_input lexbuf i = match i, !parbuf with
180 begin match AutParser.entry (token aut_xl) lexbuf with
181 | Some e -> aut_xl.unget <- true; AutEntity e
185 begin match TxtParser.entry (token txt_xl) lexbuf with
186 | Some e -> txt_xl.unget <- true; TxtEntity e
192 let process_input f st = function
194 let f pst e = f {st with pst = pst} (AutEntity e) in
195 AA.process_command f st.pst e
198 let count_input st = function
199 | AutEntity e -> {st with ac = AO.count_command C.start st.ac e}
202 (****************************************************************************)
204 let version = ref true
205 let preprocess = ref false
207 let export = ref false
208 let st = ref (initial_status ())
209 let streaming = ref false (* parsing style (temporary) *)
211 let process_2 st entity =
212 let st = if !G.summary then count_entity st entity else st in
213 if !export then export_entity entity;
214 if !G.stage >= 3 then
215 let f = if !version then validate else type_check in
219 let process_1 st entity =
220 if !G.trace >= 3 then pp_progress entity;
221 let st = if !G.summary then count_entity st entity else st in
222 if !export && !G.stage = 1 then export_entity entity;
223 if !G.stage >= 2 then process_2 st (xlate_entity entity) else st
225 let process_0 st entity =
227 if !G.stage = 0 then st else
230 let err ast = {st with ast = ast} in
231 let g ast e = process_1 {st with ast = ast} (CrgEntity e) in
232 AD.crg_of_aut err g st.kst st.ast e
234 let crr tst = {st with tst = tst} in
235 let d tst e = process_1 {st with tst = tst} (CrgEntity e) in
236 TD.crg_of_txt crr d gen_text st.tst e
237 | NoEntity -> assert false
239 let st = if !G.summary then count_input st entity else st in
240 if !preprocess then process_input f st entity else f st entity
242 let process_nostreaming st lexbuf input =
244 let rec aux1 book = match entity_of_input lexbuf input with
245 | NoEntity -> List.rev book
246 | e -> aux1 (id e :: book)
248 let rec aux2 st = function
250 | entity :: tl -> aux2 (process_0 st entity) tl
254 let process_streaming st lexbuf input =
255 let rec aux st = match entity_of_input lexbuf input with
257 | e -> aux (process_0 st e)
261 (****************************************************************************)
263 let process st name =
264 let process = if !streaming then process_streaming else process_nostreaming in
265 let input = type_of_input name in
266 let ich = open_in name in
267 let lexbuf = Lexing.from_channel ich in
268 let st = process st lexbuf input in
270 (* if !G.cc then XL.export_csys st.kst.S.cc; *)
274 let version_string = "Helena 0.8.2 M - November 2014" in
275 let print_version () = L.warn level (version_string ^ "\n"); exit 0 in
276 let set_hierarchy s =
277 if H.set_graph s then () else
278 L.warn level (P.sprintf "Unknown type hierarchy: %s" s)
280 let set_kernel = function
281 | "brg" -> G.kernel := G.Brg
282 | "bag" -> G.kernel := G.Bag
283 | s -> L.warn level (P.sprintf "Unknown kernel version: %s" s)
286 if !G.trace = 0 && i > 0 then Y.gmtime version_string;
287 if !G.trace > 0 && i = 0 then Y.utime_stamp "at exit";
289 if i <= 1 then G.summary := false;
290 if i <= 1 then preprocess := false
293 if !G.trace >= 2 then G.summary := true
295 let set_preprocess () =
296 if !G.trace >= 2 then begin preprocess := true; G.summary := true end
298 let set_stage i = G.stage := i in
299 let set_xdir s = G.xdir := s in
300 let set_root s = root := s in
301 let clear_options () =
302 export := false; preprocess := false;
304 st := initial_status ();
305 G.clear (); H.clear (); O.clear_reductions ();
309 let process_file name =
310 if !G.trace >= 2 then L.warn 1 (P.sprintf "Processing file: %s" name);
311 if !G.trace >= 2 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 !G.stage <= 1 then G.kernel := G.Crg;
316 let sst, input = process (refresh_status !st) name in
318 if !G.trace >= 2 then Y.utime_stamp "processed";
319 if !G.summary then begin
320 AO.print_counters C.start !st.ac;
321 if !preprocess then AO.print_process_counters C.start !st.pst;
322 if !G.stage >= 1 then print_counters !st G.Crg;
323 if !G.stage >= 2 then print_counters !st !G.kernel;
324 if !G.stage >= 3 then O.print_reductions ()
328 if !G.trace >= 1 then Y.utime_stamp "at exit"
331 "Usage: helena [ -LPVXdgilopqtx1 | -Ts <number> | -O <dir> | -hkr <string> ]* [ <file> ]*\n\n" ^
332 "Trace levels: 0 just errors (default), 1 time stamps, 2 processed files, \
333 3 typing information, 4 reduction information\n\n" ^
334 "Stages: 0 parsing, 1 to intermediate, 2 to untrusted, 3 to trusted (default)\n"
336 let help_L = " show lexer debug information" in
337 let help_O = "<dir> set location of output directory (XML) to <dir> (default: current directory)" in
338 let help_P = " show parser debug information" in
339 let help_T = "<number> set trace level (see above)" in
340 let help_V = " show version information" in
341 let help_X = " clear options" in
343 let help_d = " show summary information (requires trace >= 2)" in
344 let help_g = " always expand global definitions" in
345 let help_h = "<string> set type hierarchy (default: \"Z1\")" in
346 let help_i = " show local references by index" in
347 let help_k = "<string> set kernel version (default: \"brg\")" in
348 let help_l = " disambiguate binders level (Automath)" in
349 let help_o = " activate sort inclusion (default: false)" in
350 let help_p = " preprocess source (Automath)" in
351 let help_q = " disable quotation of identifiers" in
352 let help_r = "<string> set initial segment of URI hierarchy (default: empty)" in
353 let help_s = "<number> set translation stage (see above)" in
354 let help_t = " type check [version 1]" in
355 let help_x = " export kernel entities (XML)" in
357 let help_1 = " parse files with streaming policy" in
360 ("-L", Arg.Set G.debug_lexer, help_L);
361 ("-O", Arg.String set_xdir, help_O);
362 ("-P", Arg.Set G.debug_parser, help_P);
363 ("-T", Arg.Int set_trace, help_T);
364 ("-V", Arg.Unit print_version, help_V);
365 ("-X", Arg.Unit clear_options, help_X);
366 ("-d", Arg.Unit set_summary, help_d);
367 ("-g", Arg.Set G.expand, help_g);
368 ("-h", Arg.String set_hierarchy, help_h);
369 ("-i", Arg.Set G.indexes, help_i);
370 ("-k", Arg.String set_kernel, help_k);
371 ("-l", Arg.Set G.cc, help_l);
372 ("-o", Arg.Set G.si, help_o);
373 ("-p", Arg.Unit set_preprocess, help_p);
374 ("-q", Arg.Set G.unquote, help_q);
375 ("-r", Arg.String set_root, help_r);
376 ("-s", Arg.Int set_stage, help_s);
377 ("-t", Arg.Clear version, help_t);
378 ("-x", Arg.Set export, help_x);
379 ("-1", Arg.Set streaming, help_1);