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
27 module DrgO = DrgOutput
29 module BrgO = BrgOutput
30 module BrgR = BrgReduction
31 module BrgU = BrgUntrusted
33 module BagO = BagOutput
35 module BagU = BagUntrusted
47 let initial_status mk_uri cover = {
48 ac = AO.initial_counters;
49 mc = MO.initial_counters;
50 brgc = BrgO.initial_counters;
51 bagc = BagO.initial_counters;
52 mst = MA.initial_status ~cover ();
53 dst = DA.initial_status (mk_uri cover);
54 ast = AP.initial_status
57 let count count_fun c entity =
58 if !L.level > 2 then count_fun C.start c entity else c
60 let flush_all () = L.flush 0; L.flush_err ()
63 L.error BagO.specs (L.Warn s :: L.Loc :: msg); flush_all ()
66 L.error BrgR.specs (L.Warn s :: L.Loc :: msg); flush_all ()
68 let process_entity f st =
69 let f ast = f {st with ast = ast} in
70 AP.process_entity f st.ast
72 (* kernel related ***********************************************************)
74 type kernel = Brg | Bag
76 type kernel_entity = BrgEntity of Brg.entity
77 | BagEntity of Bag.entity
78 | DrgEntity of Drg.entity
79 | MetaEntity of Meta.entity
83 let print_counters st = match !kernel with
84 | Brg -> BrgO.print_counters C.start st.brgc
85 | Bag -> BagO.print_counters C.start st.bagc
87 let xlate f st entity = match !kernel, entity with
88 | Brg, MetaEntity e ->
89 let f e = f st (BrgEntity e) in Y.xlate f MBrg.brg_of_meta e
90 | Bag, MetaEntity e ->
91 let f e = f st (BagEntity e) in Y.xlate f MBag.bag_of_meta e
92 | _, entity -> f st entity
94 let count_entity st = function
95 | MetaEntity e -> {st with mc = count MO.count_entity st.mc e}
96 | BrgEntity e -> {st with brgc = count BrgO.count_entity st.brgc e}
97 | BagEntity e -> {st with bagc = count BagO.count_entity st.bagc e}
100 let export_entity si g moch = function
101 | DrgEntity e -> X.export_entity DrgO.export_term si g e
102 | BrgEntity e -> X.old_export_entity BrgO.export_term si g e
104 begin match moch with
106 | Some och -> ML.write_entity C.start och e
110 let type_check f st si g k =
111 let brg_err msg = brg_error "Type Error" msg; failwith "Interrupted" in
112 let ok _ (a, u, _) = f st a u in
114 | BrgEntity entity -> BrgU.type_check brg_err ok ~si g entity
115 | BagEntity entity -> BagU.type_check ok ~si g entity
116 | DrgEntity (a, u, _)
117 | MetaEntity (a, u, _) -> f st a u
119 (****************************************************************************)
124 let progress = ref false
125 let preprocess = ref false
126 let use_cover = ref true
129 let export = ref false
130 let graph = ref (H.graph_of_string C.err C.start "Z2")
133 let process_3 f st a u =
135 let s = U.string_of_uri u in
136 let err () = L.warn (P.sprintf "%s" s); f st in
137 let f i = L.warn (P.sprintf "[%u] %s" i s); f st in
142 let process_2 f st entity =
143 let st = count_entity st entity in
144 if !export then export_entity !si !graph !moch entity;
145 if !stage > 2 then type_check (process_3 f) st !si !graph entity else f st
147 let process_1 f st entity =
148 let st = count_entity st entity in
149 if !export && !stage = 1 then export_entity !si !graph !moch entity;
150 if !stage > 1 then xlate (process_2 f) st entity else f st
152 let process_0 f st entity =
154 if !stage = 0 then f st else
155 let frr mst = f {st with mst = mst} in
156 let h mst e = process_1 f {st with mst = mst} (MetaEntity e) in
157 let err dst = f {st with dst = dst} in
158 let g dst e = process_1 f {st with dst = dst} (DrgEntity e) in
159 if !old then MA.meta_of_aut frr h st.mst entity else
160 DA.drg_of_aut err g st.dst entity
162 let st = {st with ac = count AO.count_entity st.ac entity} in
163 if !preprocess then process_entity f st entity else f st entity
165 let rec process f book st = match book with
168 (* we exploit tail recursion rather than CPS *)
169 process f tl (process_0 C.start st entity)
171 (****************************************************************************)
175 let version_string = "Helena 0.8.1 M - October 2009" in
176 let set_hierarchy s =
177 let err () = L.warn (P.sprintf "Unknown type hierarchy: %s" s) in
178 let f g = graph := g in
179 H.graph_of_string err f s
181 let set_kernel = function
182 | "brg" -> kernel := Brg
183 | "bag" -> kernel := Bag
184 | s -> L.warn (P.sprintf "Unknown kernel version: %s" s)
186 let set_summary i = L.level := i in
187 let print_version () = L.warn (version_string ^ "\n"); exit 0 in
188 let set_stage i = stage := i in
189 let set_meta_file name =
190 let f och = moch := Some och in
195 | Some och -> ML.close_out C.start och
198 if !L.level > 0 then T.gmtime version_string;
200 L.warn (P.sprintf "Processing file: %s" name);
201 if !L.level > 0 then T.utime_stamp "started";
202 let base_name = Filename.chop_extension (Filename.basename name) in
203 if !meta then set_meta_file base_name;
204 let ich = open_in name in
205 let lexbuf = Lexing.from_channel ich in
206 let book = AutParser.book AutLexer.token lexbuf in
208 if !L.level > 0 then T.utime_stamp "parsed";
209 O.clear_reductions ();
211 if !stage < 2 then Drg.mk_uri else
216 let cover = if !use_cover then base_name else "" in
218 if !L.level > 0 then T.utime_stamp "processed";
219 if !L.level > 2 then AO.print_counters C.start st.ac;
220 if !L.level > 2 && !preprocess then AO.print_process_counters C.start st.ast;
221 if !L.level > 2 && !stage > 0 then MO.print_counters C.start st.mc;
222 if !L.level > 2 && !stage > 1 then print_counters st;
223 if !L.level > 2 && !stage > 1 then O.print_reductions ()
225 process f book (initial_status mk_uri cover)
229 if !L.level > 0 then T.utime_stamp "at exit";
233 "Usage: helena [ -Vcijmopux | -Ss <number> | -hk <string> ] <file> ...\n\n" ^
234 "Summary levels: 0 just errors (default), 1 time stamps, 2 processed file names, \
235 3 data information, 4 typing information, 5 reduction information\n\n" ^
236 "Stages: 0 parsing, 1 to intermediate, 2 to untrusted, 3 to trusted (default)\n"
238 let help_S = "<number> set summary level (see above)" in
239 let help_V = " show version information" in
241 let help_c = " output conversion constraints" in
242 let help_h = "<string> set type hierarchy (default: Z2)" in
243 let help_i = " show local references by index" in
244 let help_j = " show URI of processed kernel objects" in
245 let help_k = "<string> set kernel version (default: brg)" in
246 let help_m = " output intermediate representation (HAL)" in
247 let help_o = " use old abstract language instead of drg" in
248 let help_p = " preprocess Automath source" in
249 let help_r = " disable initial segment of URI hierarchy" in
250 let help_s = "<number> set translation stage (see above)" in
251 let help_u = " activate sort inclusion" in
252 let help_x = " export kernel entities (XML)" in
253 L.box 0; L.box_err ();
254 H.set_sorts ignore ["Set"; "Prop"] 0;
257 ("-S", Arg.Int set_summary, help_S);
258 ("-V", Arg.Unit print_version, help_V);
259 ("-c", Arg.Set cc, help_c);
260 ("-h", Arg.String set_hierarchy, help_h);
261 ("-i", Arg.Set O.indexes, help_i);
262 ("-j", Arg.Set progress, help_j);
263 ("-k", Arg.String set_kernel, help_k);
264 ("-m", Arg.Set meta, help_m);
265 ("-o", Arg.Set old, help_o);
266 ("-p", Arg.Set preprocess, help_p);
267 ("-r", Arg.Clear use_cover, help_r);
268 ("-s", Arg.Int set_stage, help_s);
269 ("-u", Arg.Set si, help_u);
270 ("-x", Arg.Set export, help_x)
272 with BagT.TypeError msg -> bag_error "Type Error" msg