3 * This file is part of HELM, an Hypertextual, Electronic
4 * Library of Mathematics, developed at the Computer Science
5 * Department, University of Bologna, Italy.
7 * HELM is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License
9 * as published by the Free Software Foundation; either version 2
10 * of the License, or (at your option) any later version.
12 * HELM is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with HELM; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
22 * For details, see the HELM World-Wide-Web page,
23 * http://helm.cs.unibo.it/
28 exception BaseUriNotSetYet
31 (CicNotationPt.term, CicNotationPt.term,
32 CicNotationPt.term GrafiteAst.reduction, string)
36 (Cic.term, Cic.lazy_term, Cic.lazy_term GrafiteAst.reduction, string)
39 let singleton = function
44 (** @param term not meaningful when context is given *)
45 let disambiguate_term text prefix_len lexicon_status_ref context metasenv term =
46 let lexicon_status = !lexicon_status_ref in
47 let (diff, metasenv, cic, _) =
49 (GrafiteDisambiguator.disambiguate_term ~dbd:(LibraryDb.instance ())
50 ~aliases:lexicon_status.LexiconEngine.aliases
51 ~universe:(Some lexicon_status.LexiconEngine.multi_aliases)
52 ~context ~metasenv (text,prefix_len,term))
54 let lexicon_status = LexiconEngine.set_proof_aliases lexicon_status diff in
55 lexicon_status_ref := lexicon_status;
59 (** disambiguate_lazy_term (circa): term -> (unit -> status) * lazy_term
60 * rationale: lazy_term will be invoked in different context to obtain a term,
61 * each invocation will disambiguate the term and can add aliases. Once all
62 * disambiguations have been performed, the first returned function can be
63 * used to obtain the resulting aliases *)
64 let disambiguate_lazy_term text prefix_len lexicon_status_ref term =
65 (fun context metasenv ugraph ->
66 let lexicon_status = !lexicon_status_ref in
67 let (diff, metasenv, cic, ugraph) =
69 (GrafiteDisambiguator.disambiguate_term ~dbd:(LibraryDb.instance ())
70 ~initial_ugraph:ugraph ~aliases:lexicon_status.LexiconEngine.aliases
71 ~universe:(Some lexicon_status.LexiconEngine.multi_aliases)
73 (text,prefix_len,term)) in
74 let lexicon_status = LexiconEngine.set_proof_aliases lexicon_status diff in
75 lexicon_status_ref := lexicon_status;
76 cic, metasenv, ugraph)
79 let disambiguate_pattern
80 text prefix_len lexicon_status_ref (wanted, hyp_paths, goal_path)
82 let interp path = Disambiguate.interpretate_path [] path in
83 let goal_path = HExtlib.map_option interp goal_path in
84 let hyp_paths = List.map (fun (name, path) -> name, interp path) hyp_paths in
90 disambiguate_lazy_term text prefix_len lexicon_status_ref wanted
94 (wanted, hyp_paths, goal_path)
97 let disambiguate_reduction_kind text prefix_len lexicon_status_ref = function
99 let t = disambiguate_lazy_term text prefix_len lexicon_status_ref t in
105 | `Whd as kind -> kind
108 let disambiguate_tactic
109 lexicon_status_ref context metasenv (text,prefix_len,tactic)
111 let disambiguate_term =
112 disambiguate_term text prefix_len lexicon_status_ref in
113 let disambiguate_pattern =
114 disambiguate_pattern text prefix_len lexicon_status_ref in
115 let disambiguate_reduction_kind =
116 disambiguate_reduction_kind text prefix_len lexicon_status_ref in
117 let disambiguate_lazy_term =
118 disambiguate_lazy_term text prefix_len lexicon_status_ref in
120 | GrafiteAst.Absurd (loc, term) ->
121 let metasenv,cic = disambiguate_term context metasenv term in
122 metasenv,GrafiteAst.Absurd (loc, cic)
123 | GrafiteAst.Apply (loc, term) ->
124 let metasenv,cic = disambiguate_term context metasenv term in
125 metasenv,GrafiteAst.Apply (loc, cic)
126 | GrafiteAst.ApplyS (loc, term, params) ->
127 let metasenv,cic = disambiguate_term context metasenv term in
128 metasenv,GrafiteAst.ApplyS (loc, cic, params)
129 | GrafiteAst.Assumption loc ->
130 metasenv,GrafiteAst.Assumption loc
131 | GrafiteAst.Auto (loc,params) ->
132 metasenv,GrafiteAst.Auto (loc,params)
133 | GrafiteAst.Cases (loc, what, idents) ->
134 let metasenv,what = disambiguate_term context metasenv what in
135 metasenv,GrafiteAst.Cases (loc, what, idents)
136 | GrafiteAst.Change (loc, pattern, with_what) ->
137 let with_what = disambiguate_lazy_term with_what in
138 let pattern = disambiguate_pattern pattern in
139 metasenv,GrafiteAst.Change (loc, pattern, with_what)
140 | GrafiteAst.Clear (loc,id) ->
141 metasenv,GrafiteAst.Clear (loc,id)
142 | GrafiteAst.ClearBody (loc,id) ->
143 metasenv,GrafiteAst.ClearBody (loc,id)
144 | GrafiteAst.Constructor (loc,n) ->
145 metasenv,GrafiteAst.Constructor (loc,n)
146 | GrafiteAst.Contradiction loc ->
147 metasenv,GrafiteAst.Contradiction loc
148 | GrafiteAst.Cut (loc, ident, term) ->
149 let metasenv,cic = disambiguate_term context metasenv term in
150 metasenv,GrafiteAst.Cut (loc, ident, cic)
151 | GrafiteAst.Decompose (loc, types, what, names) ->
152 let disambiguate (metasenv,types) = function
153 | GrafiteAst.Type _ -> assert false
154 | GrafiteAst.Ident id ->
156 disambiguate_term context metasenv
157 (CicNotationPt.Ident(id, None))
159 | metasenv,Cic.MutInd (uri, tyno, _) ->
160 metasenv,(GrafiteAst.Type (uri, tyno) :: types)
162 raise (GrafiteDisambiguator.DisambiguationError
163 (0,[[[],[],None,lazy "Decompose works only on inductive types",true]])))
166 List.fold_left disambiguate (metasenv,[]) types
168 metasenv,GrafiteAst.Decompose (loc, types, what, names)
169 | GrafiteAst.Demodulate loc ->
170 metasenv,GrafiteAst.Demodulate loc
171 | GrafiteAst.Destruct (loc,term) ->
172 let metasenv,term = disambiguate_term context metasenv term in
173 metasenv,GrafiteAst.Destruct(loc,term)
174 | GrafiteAst.Exact (loc, term) ->
175 let metasenv,cic = disambiguate_term context metasenv term in
176 metasenv,GrafiteAst.Exact (loc, cic)
177 | GrafiteAst.Elim (loc, what, Some using, depth, idents) ->
178 let metasenv,what = disambiguate_term context metasenv what in
179 let metasenv,using = disambiguate_term context metasenv using in
180 metasenv,GrafiteAst.Elim (loc, what, Some using, depth, idents)
181 | GrafiteAst.Elim (loc, what, None, depth, idents) ->
182 let metasenv,what = disambiguate_term context metasenv what in
183 metasenv,GrafiteAst.Elim (loc, what, None, depth, idents)
184 | GrafiteAst.ElimType (loc, what, Some using, depth, idents) ->
185 let metasenv,what = disambiguate_term context metasenv what in
186 let metasenv,using = disambiguate_term context metasenv using in
187 metasenv,GrafiteAst.ElimType (loc, what, Some using, depth, idents)
188 | GrafiteAst.ElimType (loc, what, None, depth, idents) ->
189 let metasenv,what = disambiguate_term context metasenv what in
190 metasenv,GrafiteAst.ElimType (loc, what, None, depth, idents)
191 | GrafiteAst.Exists loc ->
192 metasenv,GrafiteAst.Exists loc
193 | GrafiteAst.Fail loc ->
194 metasenv,GrafiteAst.Fail loc
195 | GrafiteAst.Fold (loc,red_kind, term, pattern) ->
196 let pattern = disambiguate_pattern pattern in
197 let term = disambiguate_lazy_term term in
198 let red_kind = disambiguate_reduction_kind red_kind in
199 metasenv,GrafiteAst.Fold (loc, red_kind, term, pattern)
200 | GrafiteAst.FwdSimpl (loc, hyp, names) ->
201 metasenv,GrafiteAst.FwdSimpl (loc, hyp, names)
202 | GrafiteAst.Fourier loc ->
203 metasenv,GrafiteAst.Fourier loc
204 | GrafiteAst.Generalize (loc,pattern,ident) ->
205 let pattern = disambiguate_pattern pattern in
206 metasenv,GrafiteAst.Generalize (loc,pattern,ident)
207 | GrafiteAst.Goal (loc, g) ->
208 metasenv,GrafiteAst.Goal (loc, g)
209 | GrafiteAst.IdTac loc ->
210 metasenv,GrafiteAst.IdTac loc
211 | GrafiteAst.Intros (loc, num, names) ->
212 metasenv,GrafiteAst.Intros (loc, num, names)
213 | GrafiteAst.Inversion (loc, term) ->
214 let metasenv,term = disambiguate_term context metasenv term in
215 metasenv,GrafiteAst.Inversion (loc, term)
216 | GrafiteAst.LApply (loc, linear, depth, to_what, what, ident) ->
218 let metasenv,term = disambiguate_term context metasenv term in
221 let to_what = List.fold_right f to_what [] in
222 let metasenv,what = disambiguate_term context metasenv what in
223 metasenv,GrafiteAst.LApply (loc, linear, depth, to_what, what, ident)
224 | GrafiteAst.Left loc ->
225 metasenv,GrafiteAst.Left loc
226 | GrafiteAst.LetIn (loc, term, name) ->
227 let metasenv,term = disambiguate_term context metasenv term in
228 metasenv,GrafiteAst.LetIn (loc,term,name)
229 | GrafiteAst.Reduce (loc, red_kind, pattern) ->
230 let pattern = disambiguate_pattern pattern in
231 let red_kind = disambiguate_reduction_kind red_kind in
232 metasenv,GrafiteAst.Reduce(loc, red_kind, pattern)
233 | GrafiteAst.Reflexivity loc ->
234 metasenv,GrafiteAst.Reflexivity loc
235 | GrafiteAst.Rename (loc, froms, tos) ->
236 metasenv,GrafiteAst.Rename (loc, froms, tos)
237 | GrafiteAst.Replace (loc, pattern, with_what) ->
238 let pattern = disambiguate_pattern pattern in
239 let with_what = disambiguate_lazy_term with_what in
240 metasenv,GrafiteAst.Replace (loc, pattern, with_what)
241 | GrafiteAst.Rewrite (loc, dir, t, pattern, names) ->
242 let metasenv,term = disambiguate_term context metasenv t in
243 let pattern = disambiguate_pattern pattern in
244 metasenv,GrafiteAst.Rewrite (loc, dir, term, pattern, names)
245 | GrafiteAst.Right loc ->
246 metasenv,GrafiteAst.Right loc
247 | GrafiteAst.Ring loc ->
248 metasenv,GrafiteAst.Ring loc
249 | GrafiteAst.Split loc ->
250 metasenv,GrafiteAst.Split loc
251 | GrafiteAst.Subst loc ->
252 metasenv, GrafiteAst.Subst loc
253 | GrafiteAst.Symmetry loc ->
254 metasenv,GrafiteAst.Symmetry loc
255 | GrafiteAst.Transitivity (loc, term) ->
256 let metasenv,cic = disambiguate_term context metasenv term in
257 metasenv,GrafiteAst.Transitivity (loc, cic)
259 | GrafiteAst.Assume (loc, id, term) ->
260 let metasenv,cic = disambiguate_term context metasenv term in
261 metasenv,GrafiteAst.Assume (loc, id, cic)
262 | GrafiteAst.Suppose (loc, term, id, term') ->
263 let metasenv,cic = disambiguate_term context metasenv term in
266 None -> metasenv,None
268 let metasenv,t = disambiguate_term context metasenv t in
270 metasenv,GrafiteAst.Suppose (loc, cic, id, cic')
271 | GrafiteAst.Bydone (loc,term) ->
274 None -> metasenv,None
276 let metasenv,t = disambiguate_term context metasenv t in
278 metasenv,GrafiteAst.Bydone (loc, cic)
279 | GrafiteAst.We_need_to_prove (loc,term,id,term') ->
280 let metasenv,cic = disambiguate_term context metasenv term in
283 None -> metasenv,None
285 let metasenv,t = disambiguate_term context metasenv t in
287 metasenv,GrafiteAst.We_need_to_prove (loc,cic,id,cic')
288 | GrafiteAst.By_term_we_proved (loc,term,term',id,term'') ->
291 None -> metasenv,None
293 let metasenv,t = disambiguate_term context metasenv t in
295 let metasenv,cic' = disambiguate_term context metasenv term' in
298 None -> metasenv,None
300 let metasenv,t = disambiguate_term context metasenv t in
302 metasenv,GrafiteAst.By_term_we_proved (loc,cic,cic',id,cic'')
303 | GrafiteAst.We_proceed_by_cases_on (loc, term, term') ->
304 let metasenv,cic = disambiguate_term context metasenv term in
305 let metasenv,cic' = disambiguate_term context metasenv term' in
306 metasenv,GrafiteAst.We_proceed_by_cases_on (loc, cic, cic')
307 | GrafiteAst.We_proceed_by_induction_on (loc, term, term') ->
308 let metasenv,cic = disambiguate_term context metasenv term in
309 let metasenv,cic' = disambiguate_term context metasenv term' in
310 metasenv,GrafiteAst.We_proceed_by_induction_on (loc, cic, cic')
311 | GrafiteAst.Byinduction (loc, term, id) ->
312 let metasenv,cic = disambiguate_term context metasenv term in
313 metasenv,GrafiteAst.Byinduction(loc, cic, id)
314 | GrafiteAst.Thesisbecomes (loc, term) ->
315 let metasenv,cic = disambiguate_term context metasenv term in
316 metasenv,GrafiteAst.Thesisbecomes (loc, cic)
317 | GrafiteAst.ExistsElim (loc, term, id1, term1, id2, term2) ->
318 let metasenv,cic = disambiguate_term context metasenv term in
319 let metasenv,cic' = disambiguate_term context metasenv term1 in
320 let metasenv,cic''= disambiguate_term context metasenv term2 in
321 metasenv,GrafiteAst.ExistsElim(loc, cic, id1, cic', id2, cic'')
322 | GrafiteAst.AndElim (loc, term, id, term1, id1, term2) ->
323 let metasenv,cic = disambiguate_term context metasenv term in
324 let metasenv,cic'= disambiguate_term context metasenv term1 in
325 let metasenv,cic''= disambiguate_term context metasenv term2 in
326 metasenv,GrafiteAst.AndElim(loc, cic, id, cic', id1, cic'')
327 | GrafiteAst.Case (loc, id, params) ->
328 let metasenv,params' =
330 (fun (id,term) (metasenv,params) ->
331 let metasenv,cic = disambiguate_term context metasenv term in
332 metasenv,(id,cic)::params
333 ) params (metasenv,[])
335 metasenv,GrafiteAst.Case(loc, id, params')
336 | GrafiteAst.RewritingStep (loc, term1, term2, term3, cont) ->
339 None -> metasenv,None
341 let metasenv,t = disambiguate_term context metasenv t in
342 metasenv,Some (start,t) in
343 let metasenv,cic'= disambiguate_term context metasenv term2 in
346 `Auto _ as t -> metasenv,t
348 let metasenv,t = disambiguate_term context metasenv t in
350 metasenv,GrafiteAst.RewritingStep (loc, cic, cic', cic'', cont)
353 let disambiguate_obj lexicon_status ~baseuri metasenv (text,prefix_len,obj) =
356 | CicNotationPt.Inductive (_,(name,_,_,_)::_)
357 | CicNotationPt.Record (_,name,_,_) ->
360 Some (UriManager.uri_of_string (baseuri ^ "/" ^ name ^ ".ind"))
361 | None -> raise BaseUriNotSetYet)
362 | CicNotationPt.Inductive _ -> assert false
363 | CicNotationPt.Theorem _ -> None in
364 let (diff, metasenv, cic, _) =
366 (GrafiteDisambiguator.disambiguate_obj ~dbd:(LibraryDb.instance ())
367 ~aliases:lexicon_status.LexiconEngine.aliases
368 ~universe:(Some lexicon_status.LexiconEngine.multi_aliases) ~uri
369 (text,prefix_len,obj)) in
370 let lexicon_status = LexiconEngine.set_proof_aliases lexicon_status diff in
371 lexicon_status, metasenv, cic
373 let disambiguate_command lexicon_status ~baseuri metasenv (text,prefix_len,cmd)=
375 | GrafiteAst.Index(loc,key,uri) ->
376 let lexicon_status_ref = ref lexicon_status in
377 let disambiguate_term =
378 disambiguate_term text prefix_len lexicon_status_ref [] in
379 let disambiguate_term_option metasenv =
381 None -> metasenv,None
383 let metasenv,t = disambiguate_term metasenv t in
386 let metasenv,key = disambiguate_term_option metasenv key in
387 !lexicon_status_ref, metasenv,GrafiteAst.Index(loc,key,uri)
388 | GrafiteAst.Coercion _
389 | GrafiteAst.Default _
391 | GrafiteAst.Include _
394 | GrafiteAst.Set _ as cmd ->
395 lexicon_status,metasenv,cmd
396 | GrafiteAst.Obj (loc,obj) ->
397 let lexicon_status,metasenv,obj =
398 disambiguate_obj lexicon_status ~baseuri metasenv (text,prefix_len,obj)in
399 lexicon_status, metasenv, GrafiteAst.Obj (loc,obj)
400 | GrafiteAst.Relation (loc,id,a,aeq,refl,sym,trans) ->
401 let lexicon_status_ref = ref lexicon_status in
402 let disambiguate_term =
403 disambiguate_term text prefix_len lexicon_status_ref [] in
404 let disambiguate_term_option metasenv =
406 None -> metasenv,None
408 let metasenv,t = disambiguate_term metasenv t in
411 let metasenv,a = disambiguate_term metasenv a in
412 let metasenv,aeq = disambiguate_term metasenv aeq in
413 let metasenv,refl = disambiguate_term_option metasenv refl in
414 let metasenv,sym = disambiguate_term_option metasenv sym in
415 let metasenv,trans = disambiguate_term_option metasenv trans in
416 !lexicon_status_ref, metasenv,
417 GrafiteAst.Relation (loc,id,a,aeq,refl,sym,trans)
419 let disambiguate_macro
420 lexicon_status_ref metasenv context (text,prefix_len, macro)
422 let disambiguate_term = disambiguate_term text prefix_len lexicon_status_ref in
424 | GrafiteAst.WMatch (loc,term) ->
425 let metasenv,term = disambiguate_term context metasenv term in
426 metasenv,GrafiteAst.WMatch (loc,term)
427 | GrafiteAst.WInstance (loc,term) ->
428 let metasenv,term = disambiguate_term context metasenv term in
429 metasenv,GrafiteAst.WInstance (loc,term)
430 | GrafiteAst.WElim (loc,term) ->
431 let metasenv,term = disambiguate_term context metasenv term in
432 metasenv,GrafiteAst.WElim (loc,term)
433 | GrafiteAst.WHint (loc,term) ->
434 let metasenv,term = disambiguate_term context metasenv term in
435 metasenv,GrafiteAst.WHint (loc,term)
436 | GrafiteAst.Check (loc,term) ->
437 let metasenv,term = disambiguate_term context metasenv term in
438 metasenv,GrafiteAst.Check (loc,term)
440 | GrafiteAst.WLocate _
441 | GrafiteAst.Inline _ as macro ->