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_______________________________________________________________ *)
21 module AP = AutProcess
25 module MO = MetaOutput
26 module ML = MetaLibrary
30 module BrgO = BrgOutput
31 module BrgR = BrgReduction
32 module BrgU = BrgUntrusted
34 module BagO = BagOutput
36 module BagU = BagUntrusted
48 let initial_status mk_uri cover = {
49 ac = AO.initial_counters;
50 mc = MO.initial_counters;
51 brgc = BrgO.initial_counters;
52 bagc = BagO.initial_counters;
53 mst = MA.initial_status ~cover ();
54 dst = DA.initial_status (mk_uri cover);
55 ast = AP.initial_status
58 let count count_fun c entity =
59 if !L.level > 2 then count_fun C.start c entity else c
61 let flush_all () = L.flush 0; L.flush_err ()
64 L.error BagO.specs (L.Warn s :: L.Loc :: msg); flush_all ()
67 L.error BrgR.specs (L.Warn s :: L.Loc :: msg); flush_all ()
69 let process_entity f st =
70 let f ast = f {st with ast = ast} in
71 AP.process_entity f st.ast
73 (* kernel related ***********************************************************)
75 type kernel = Brg | Bag
77 type kernel_entity = BrgEntity of Brg.entity
78 | BagEntity of Bag.entity
79 | DrgEntity of Drg.entity
80 | MetaEntity of Meta.entity
84 let print_counters st = match !kernel with
85 | Brg -> BrgO.print_counters C.start st.brgc
86 | Bag -> BagO.print_counters C.start st.bagc
88 let xlate f st entity = match !kernel, entity with
90 let f e = f st (BrgEntity e) in Y.xlate f DBrg.brg_of_drg e
91 | Brg, MetaEntity e ->
92 let f e = f st (BrgEntity e) in Y.xlate f MBrg.brg_of_meta e
93 | Bag, MetaEntity e ->
94 let f e = f st (BagEntity e) in Y.xlate f MBag.bag_of_meta e
95 | _, entity -> f st entity
97 let count_entity st = function
98 | MetaEntity e -> {st with mc = count MO.count_entity st.mc e}
99 | BrgEntity e -> {st with brgc = count BrgO.count_entity st.brgc e}
100 | BagEntity e -> {st with bagc = count BagO.count_entity st.bagc e}
103 let export_entity si g moch = function
104 | DrgEntity e -> X.export_entity DO.export_term si g e
105 | BrgEntity e -> X.old_export_entity BrgO.export_term si g e
107 begin match moch with
109 | Some och -> ML.write_entity C.start och e
113 let type_check f st si g k =
114 let brg_err msg = brg_error "Type Error" msg; failwith "Interrupted" in
115 let ok _ (a, u, _) = f st a u in
117 | BrgEntity entity -> BrgU.type_check brg_err ok ~si g entity
118 | BagEntity entity -> BagU.type_check ok ~si g entity
119 | DrgEntity (a, u, _)
120 | MetaEntity (a, u, _) -> f st a u
122 (****************************************************************************)
127 let progress = ref false
128 let preprocess = ref false
129 let use_cover = ref true
132 let export = ref false
133 let graph = ref (H.graph_of_string C.err C.start "Z2")
136 let process_3 f st a u =
138 let s = U.string_of_uri u in
139 let err () = L.warn (P.sprintf "%s" s); f st in
140 let f i = L.warn (P.sprintf "[%u] %s" i s); f st in
145 let process_2 f st entity =
146 let st = count_entity st entity in
147 if !export then export_entity !si !graph !moch entity;
148 if !stage > 2 then type_check (process_3 f) st !si !graph entity else f st
150 let process_1 f st entity =
151 let st = count_entity st entity in
152 if !export && !stage = 1 then export_entity !si !graph !moch entity;
153 if !stage > 1 then xlate (process_2 f) st entity else f st
155 let process_0 f st entity =
157 if !stage = 0 then f st else
158 let frr mst = f {st with mst = mst} in
159 let h mst e = process_1 f {st with mst = mst} (MetaEntity e) in
160 let err dst = f {st with dst = dst} in
161 let g dst e = process_1 f {st with dst = dst} (DrgEntity e) in
162 if !old then MA.meta_of_aut frr h st.mst entity else
163 DA.drg_of_aut err g st.dst entity
165 let st = {st with ac = count AO.count_entity st.ac entity} in
166 if !preprocess then process_entity f st entity else f st entity
168 let rec process f book st = match book with
171 (* we exploit tail recursion rather than CPS *)
172 process f tl (process_0 C.start st entity)
174 (****************************************************************************)
178 let version_string = "Helena 0.8.1 M - October 2009" in
179 let set_hierarchy s =
180 let err () = L.warn (P.sprintf "Unknown type hierarchy: %s" s) in
181 let f g = graph := g in
182 H.graph_of_string err f s
184 let set_kernel = function
185 | "brg" -> kernel := Brg
186 | "bag" -> kernel := Bag
187 | s -> L.warn (P.sprintf "Unknown kernel version: %s" s)
189 let set_summary i = L.level := i in
190 let print_version () = L.warn (version_string ^ "\n"); exit 0 in
191 let set_stage i = stage := i in
192 let set_meta_file name =
193 let f och = moch := Some och in
198 | Some och -> ML.close_out C.start och
201 if !L.level > 0 then T.gmtime version_string;
203 L.warn (P.sprintf "Processing file: %s" name);
204 if !L.level > 0 then T.utime_stamp "started";
205 let base_name = Filename.chop_extension (Filename.basename name) in
206 if !meta then set_meta_file base_name;
207 let ich = open_in name in
208 let lexbuf = Lexing.from_channel ich in
209 let book = AutParser.book AutLexer.token lexbuf in
211 if !L.level > 0 then T.utime_stamp "parsed";
212 O.clear_reductions ();
214 if !stage < 2 then Drg.mk_uri else
219 let cover = if !use_cover then base_name else "" in
221 if !L.level > 0 then T.utime_stamp "processed";
222 if !L.level > 2 then AO.print_counters C.start st.ac;
223 if !L.level > 2 && !preprocess then AO.print_process_counters C.start st.ast;
224 if !L.level > 2 && !stage > 0 then MO.print_counters C.start st.mc;
225 if !L.level > 2 && !stage > 1 then print_counters st;
226 if !L.level > 2 && !stage > 1 then O.print_reductions ()
228 process f book (initial_status mk_uri cover)
232 if !L.level > 0 then T.utime_stamp "at exit";
236 "Usage: helena [ -Vcijmopux | -Ss <number> | -hk <string> ] <file> ...\n\n" ^
237 "Summary levels: 0 just errors (default), 1 time stamps, 2 processed file names, \
238 3 data information, 4 typing information, 5 reduction information\n\n" ^
239 "Stages: 0 parsing, 1 to intermediate, 2 to untrusted, 3 to trusted (default)\n"
241 let help_S = "<number> set summary level (see above)" in
242 let help_V = " show version information" in
244 let help_c = " output conversion constraints" in
245 let help_h = "<string> set type hierarchy (default: Z2)" in
246 let help_i = " show local references by index" in
247 let help_j = " show URI of processed kernel objects" in
248 let help_k = "<string> set kernel version (default: brg)" in
249 let help_m = " output intermediate representation (HAL)" in
250 let help_o = " use old abstract language instead of drg" in
251 let help_p = " preprocess Automath source" in
252 let help_r = " disable initial segment of URI hierarchy" in
253 let help_s = "<number> set translation stage (see above)" in
254 let help_u = " activate sort inclusion" in
255 let help_x = " export kernel entities (XML)" in
256 L.box 0; L.box_err ();
257 H.set_sorts ignore ["Set"; "Prop"] 0;
260 ("-S", Arg.Int set_summary, help_S);
261 ("-V", Arg.Unit print_version, help_V);
262 ("-c", Arg.Set cc, help_c);
263 ("-h", Arg.String set_hierarchy, help_h);
264 ("-i", Arg.Set O.indexes, help_i);
265 ("-j", Arg.Set progress, help_j);
266 ("-k", Arg.String set_kernel, help_k);
267 ("-m", Arg.Set meta, help_m);
268 ("-o", Arg.Set old, help_o);
269 ("-p", Arg.Set preprocess, help_p);
270 ("-r", Arg.Clear use_cover, help_r);
271 ("-s", Arg.Int set_stage, help_s);
272 ("-u", Arg.Set si, help_u);
273 ("-x", Arg.Set export, help_x)
275 with BagT.TypeError msg -> bag_error "Type Error" msg