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_______________________________________________________________ *)
22 module XL = XmlLibrary
24 module AA = AutProcess
29 module MO = MetaOutput
33 module BR = BrgReduction
34 module BU = BrgUntrusted
38 module ZU = BagUntrusted
52 let flush_all () = L.flush 0; L.flush_err ()
55 L.error ZO.specs (L.Warn s :: L.Loc :: msg); flush_all ()
58 L.error BR.specs (L.Warn s :: L.Loc :: msg); flush_all ()
60 let initial_status () = {
61 ac = AO.initial_counters;
62 mc = MO.initial_counters;
63 brgc = BO.initial_counters;
64 bagc = ZO.initial_counters;
65 mst = MA.initial_status ();
66 dst = AD.initial_status ();
67 tst = TD.initial_status ();
68 ast = AA.initial_status ();
69 kst = E.initial_status ()
72 let refresh_status st = {st with
73 mst = MA.refresh_status st.mst;
74 dst = AD.refresh_status st.dst;
75 tst = TD.refresh_status st.tst;
76 kst = E.refresh_status st.kst
79 (* kernel related ***********************************************************)
81 type kernel = Brg | Bag
83 type kernel_entity = BrgEntity of Brg.entity
84 | BagEntity of Bag.entity
85 | CrgEntity of Crg.entity
86 | MetaEntity of Meta.entity
90 let print_counters st = match !kernel with
91 | Brg -> BO.print_counters C.start st.brgc
92 | Bag -> ZO.print_counters C.start st.bagc
94 let xlate_entity entity = match !kernel, entity with
96 let f e = (BrgEntity e) in E.xlate f BD.brg_of_crg e
97 | Brg, MetaEntity e ->
98 let f e = (BrgEntity e) in E.xlate f MB.brg_of_meta e
99 | Bag, MetaEntity e ->
100 let f e = (BagEntity e) in E.xlate f MZ.bag_of_meta e
101 | _, entity -> entity
105 let s = U.string_of_uri u in
106 let err () = L.warn (P.sprintf "%s" s) in
107 let f i = L.warn (P.sprintf "[%u] %s" i s) in
111 | CrgEntity e -> E.common f e
112 | BrgEntity e -> E.common f e
113 | BagEntity e -> E.common f e
114 | MetaEntity e -> E.common f e
116 let count_entity st = function
117 | MetaEntity e -> {st with mc = MO.count_entity C.start st.mc e}
118 | BrgEntity e -> {st with brgc = BO.count_entity C.start st.brgc e}
119 | BagEntity e -> {st with bagc = ZO.count_entity C.start st.bagc e}
122 let export_entity si xdir = function
123 | CrgEntity e -> XL.export_entity XD.export_term si xdir e
124 | BrgEntity e -> XL.export_entity BO.export_term si xdir e
128 let type_check st k =
129 let brg_err msg = brg_error "Type Error" msg; failwith "Interrupted" in
132 | BrgEntity entity -> BU.type_check brg_err ok st.kst entity
133 | BagEntity entity -> ZU.type_check ok st.kst entity
137 (* extended lexer ***********************************************************)
139 type 'token lexer = {
140 parse : Lexing.lexbuf -> 'token;
141 mutable tokbuf: 'token option;
145 let initial_lexer parse = {
146 parse = parse; tokbuf = None; unget = false
149 let token xl lexbuf = match xl.tokbuf with
150 | Some token when xl.unget ->
151 xl.unget <- false; token
153 let token = xl.parse lexbuf in
154 xl.tokbuf <- Some token; token
156 (* input related ************************************************************)
158 type input = Text | Automath
160 type input_entity = TxtEntity of Txt.command
161 | AutEntity of Aut.command
164 let type_of_input name =
165 if F.check_suffix name ".hln" then Text
166 else if F.check_suffix name ".aut" then
167 let _ = H.set_sorts 0 ["Set"; "Prop"] in
168 assert (H.set_graph "Z2");
171 L.warn (P.sprintf "Unknown file type: %s" name); exit 2
174 let txt_xl = initial_lexer TxtLexer.token
176 let aut_xl = initial_lexer AutLexer.token
178 let parbuf = ref [] (* parser buffer *)
180 let gen_text command =
181 parbuf := TxtEntity command :: !parbuf
183 let entity_of_input lexbuf i = match i, !parbuf with
185 begin match AutParser.entry (token aut_xl) lexbuf with
186 | Some e -> aut_xl.unget <- true; AutEntity e
190 begin match TxtParser.entry (token txt_xl) lexbuf with
191 | Some e -> txt_xl.unget <- true; TxtEntity e
197 let process_input f st = function
199 let f ast e = f {st with ast = ast} (AutEntity e) in
200 AA.process_command f st.ast e
203 let count_input st = function
204 | AutEntity e -> {st with ac = AO.count_command C.start st.ac e}
207 (****************************************************************************)
210 let progress = ref false
211 let preprocess = ref false
216 let st = ref (initial_status ())
217 let streaming = ref false (* parsing style (temporary) *)
219 let process_2 st entity =
220 let st = if !L.level > 2 then count_entity st entity else st in
221 if !export <> "" then export_entity !G.si !export entity;
222 if !stage > 2 then type_check st entity else st
224 let process_1 st entity =
225 if !progress then pp_progress entity;
226 let st = if !L.level > 2 then count_entity st entity else st in
227 if !export <> "" && !stage = 1 then export_entity !G.si !export entity;
228 if !stage > 1 then process_2 st (xlate_entity entity) else st
230 let process_0 st entity =
232 if !stage = 0 then st else
233 match entity, !old with
234 | AutEntity e, true ->
235 let frr mst = {st with mst = mst} in
236 let h mst e = process_1 {st with mst = mst} (MetaEntity e) in
237 MA.meta_of_aut frr h st.mst e
238 | AutEntity e, false ->
239 let err dst = {st with dst = dst} in
240 let g dst e = process_1 {st with dst = dst} (CrgEntity e) in
241 AD.crg_of_aut err g st.dst e
243 let crr tst = {st with tst = tst} in
244 let d tst e = process_1 {st with tst = tst} (CrgEntity e) in
245 TD.crg_of_txt crr d gen_text st.tst e
246 | NoEntity, _ -> assert false
248 let st = if !L.level > 2 then count_input st entity else st in
249 if !preprocess then process_input f st entity else f st entity
251 let process_nostreaming st lexbuf input =
252 let rec aux1 book = match entity_of_input lexbuf input with
253 | NoEntity -> List.rev book
254 | e -> aux1 (e :: book)
256 let rec aux2 st = function
258 | entity :: tl -> aux2 (process_0 st entity) tl
262 let rec process_streaming st lexbuf input = match entity_of_input lexbuf input with
264 | e -> process_streaming (process_0 st e) lexbuf input
266 (****************************************************************************)
268 let process st name =
269 let process = if !streaming then process_streaming else process_nostreaming in
270 let input = type_of_input name in
271 let ich = open_in name in
272 let lexbuf = Lexing.from_channel ich in
273 let st = process st lexbuf input in
274 close_in ich; st, input
278 let version_string = "Helena 0.8.1 M - August 2010" in
279 let print_version () = L.warn (version_string ^ "\n"); exit 0 in
280 let set_hierarchy s =
281 if H.set_graph s then () else
282 L.warn (P.sprintf "Unknown type hierarchy: %s" s)
284 let set_kernel = function
285 | "brg" -> kernel := Brg
286 | "bag" -> kernel := Bag
287 | s -> L.warn (P.sprintf "Unknown kernel version: %s" s)
289 let set_summary i = L.level := i in
290 let set_stage i = stage := i in
291 let set_xdir s = export := s in
292 let set_root s = root := s in
293 let clear_options () =
294 stage := 3; progress := false; old := false;
295 preprocess := false; root := ""; cc := false; export := "";
296 kernel := Brg; st := initial_status ();
297 L.clear (); G.clear (); H.clear (); O.clear_reductions ();
300 let process_file name =
301 if !L.level > 0 then Y.gmtime version_string;
303 L.warn (P.sprintf "Processing file: %s" name);
304 if !L.level > 0 then Y.utime_stamp "started";
305 let base_name = Filename.chop_extension (Filename.basename name) in
307 if !stage < 2 then Crg.mk_uri else
312 let cover = F.concat !root base_name in
313 G.mk_uri := mk_uri; G.cover := cover;
314 let sst, input = process (refresh_status !st) name in
316 if !L.level > 0 then Y.utime_stamp "processed";
317 if !L.level > 2 then begin
318 AO.print_counters C.start !st.ac;
319 if !preprocess then AO.print_process_counters C.start !st.ast;
320 if !stage > 0 then MO.print_counters C.start !st.mc;
321 if !stage > 1 then print_counters !st;
322 if !stage > 2 then O.print_reductions ()
326 if !L.level > 0 then Y.utime_stamp "at exit";
330 "Usage: helena [ -LPVXcgijmopqu1 | -Ss <number> | -x <dir> | -hkr <string> ]* [ <file> ]*\n\n" ^
331 "Summary levels: 0 just errors (default), 1 time stamps, 2 processed file names, \
332 3 data information, 4 typing information, 5 reduction information\n\n" ^
333 "Stages: 0 parsing, 1 to intermediate, 2 to untrusted, 3 to trusted (default)\n"
335 let help_L = " show lexer debug information" in
336 let help_P = " show parser debug information" in
337 let help_S = "<number> set summary level (see above)" in
338 let help_V = " show version information" in
339 let help_X = " clear options" in
341 let help_c = " output conversion constraints" in
342 let help_g = " always expand global definitions" in
343 let help_h = "<string> set type hierarchy (default: Z1)" in
344 let help_i = " show local references by index" in
345 let help_j = " show URI of processed kernel objects" in
346 let help_k = "<string> set kernel version (default: brg)" in
347 let help_o = " use old abstract language instead of crg" in
348 let help_p = " preprocess source" in
349 let help_q = " disable quotation of identifiers" in
350 let help_r = "<string> set initial segment of URI hierarchy" in
351 let help_s = "<number> set translation stage (see above)" in
352 let help_u = " activate sort inclusion" in
353 let help_x = "<dir> export kernel entities (XML) to <dir>" in
355 let help_1 = " parse files with streaming policy" in
356 L.box 0; L.box_err ();
359 ("-L", Arg.Set G.debug_lexer, help_L);
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 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.String set_xdir, help_x);
377 ("-1", Arg.Set streaming, help_1);
379 with ZT.TypeError msg -> bag_error "Type Error" msg