1 (* Copyright (C) 2004-2005, HELM Team.
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/
31 module TA = GrafiteAst
34 let debug_print = if debug then prerr_endline else ignore
36 (** raised when one of the script margins (top or bottom) is reached *)
38 exception NoUnfinishedProof
39 exception ActionCancelled of string
41 let safe_substring s i j =
42 try String.sub s i j with Invalid_argument _ -> assert false
44 let heading_nl_RE = Pcre.regexp "^\\s*\n\\s*"
45 let heading_nl_RE' = Pcre.regexp "^(\\s*\n\\s*)"
46 let only_dust_RE = Pcre.regexp "^(\\s|\n|%%[^\n]*\n)*$"
47 let multiline_RE = Pcre.regexp "^\n[^\n]+$"
48 let newline_RE = Pcre.regexp "\n"
49 let comment_RE = Pcre.regexp "\\(\\*(.|\n)*\\*\\)\n?" ~flags:[`UNGREEDY]
52 if Pcre.pmatch ~rex:multiline_RE str then
53 "\n(** " ^ (Pcre.replace ~rex:newline_RE str) ^ " *)"
55 "\n(**\n" ^ str ^ "\n*)"
57 let strip_comments str =
58 Pcre.qreplace ~templ:"\n" ~pat:"\n\n" (Pcre.qreplace ~rex:comment_RE str)
62 let s = Pcre.replace ~rex:heading_nl_RE s in
64 let nl_pos = String.index s '\n' in
69 mathviewer:MatitaTypes.mathViewer;
70 urichooser: UriManager.uri list -> UriManager.uri list;
71 ask_confirmation: title:string -> message:string -> [`YES | `NO | `CANCEL];
74 let eval_with_engine guistuff lexicon_status grafite_status user_goal
75 skipped_txt nonskipped_txt st
77 let module TAPp = GrafiteAstPp in
78 let module DTE = DisambiguateTypes.Environment in
79 let module DP = DisambiguatePp in
80 let parsed_text_length =
81 String.length skipped_txt + String.length nonskipped_txt
83 let text = skipped_txt ^ nonskipped_txt in
84 let prefix_len = MatitaGtkMisc.utf8_string_length skipped_txt in
85 let enriched_history_fragment =
86 MatitaEngine.eval_ast ~do_heavy_checks:(Helm_registry.get_bool
87 "matita.do_heavy_checks")
88 lexicon_status grafite_status (text,prefix_len,st)
90 let enriched_history_fragment = List.rev enriched_history_fragment in
94 (fun (acc, to_prepend) (status,alias) ->
96 | None -> (status,to_prepend ^ nonskipped_txt)::acc,""
97 | Some (k,((v,_) as value)) ->
98 let newtxt = DP.pp_environment (DTE.add k value DTE.empty) in
99 (status,to_prepend ^ newtxt ^ "\n")::acc, "")
100 ([],skipped_txt) enriched_history_fragment
102 res,"",parsed_text_length
105 let wrap_with_make include_paths g f x =
109 | LexiconEngine.IncludedFileNotCompiled (xfilename,mafilename)
110 | GrafiteEngine.IncludedFileNotCompiled (xfilename,mafilename) as exn ->
111 assert (Pcre.pmatch ~pat:"ma$" mafilename);
112 assert (Pcre.pmatch ~pat:"lexicon$" xfilename ||
113 Pcre.pmatch ~pat:"mo$" xfilename );
114 (* we know that someone was able to include the .ma, get the baseuri
115 * but was unable to get the compilation output 'xfilename' *)
116 let root, buri, _, tgt =
117 Librarian.baseuri_of_script ~include_paths mafilename
119 if MatitacLib.Make.make root [tgt] then f x else raise exn
122 let eval_with_engine include_paths
123 guistuff lexicon_status grafite_status user_goal
124 skipped_txt nonskipped_txt st
126 wrap_with_make include_paths guistuff
128 guistuff lexicon_status grafite_status user_goal
129 skipped_txt nonskipped_txt) st
132 let pp_eager_statement_ast =
133 GrafiteAstPp.pp_statement ~term_pp:CicNotationPp.pp_term
134 ~lazy_term_pp:(fun _ -> assert false) ~obj_pp:(fun _ -> assert false)
136 (* naive implementation of procedural proof script generation,
137 * starting from an applicatiove *auto generated) proof.
138 * this is out of place, but I like it :-P *)
139 let cic2grafite context menv t =
140 (* indents a proof script in a stupid way, better than nothing *)
141 let stupid_indenter s =
143 let idx_square_o = try String.index s '[' with Not_found -> -1 in
144 let idx_square_c = try String.index s ']' with Not_found -> -1 in
145 let idx_pipe = try String.index s '|' with Not_found -> -1 in
147 List.sort (fun (i,_) (j,_) -> compare i j)
148 [idx_square_o,'[';idx_square_c,']';idx_pipe,'|']
150 let tok = List.filter (fun (i,_) -> i <> -1) tok in
152 | (i,c)::_ -> Some (i,c)
155 let break_apply n s =
156 let tab = String.make (n+1) ' ' in
157 Pcre.replace ~templ:(".\n" ^ tab ^ "apply") ~pat:"\\.apply" s
163 | Some (position, char) ->
166 String.sub s 0 position,
167 String.sub s (position+1) (String.length s - (position+1))
170 | '[' -> break_apply n s1 ^ "\n" ^ String.make (n+2) ' ' ^
172 | '|' -> break_apply n s1 ^ "\n" ^ String.make n ' ' ^
174 | ']' -> break_apply n s1 ^ "\n" ^ String.make n ' ' ^
178 Invalid_argument err ->
184 let module PT = CicNotationPt in
185 let module GA = GrafiteAst in
188 List.map (function Some (n,_) -> Some n | None -> None) context
192 let sort_of context t =
195 CicTypeChecker.type_of_aux' menv context t
196 CicUniv.oblivion_ugraph
198 let sort,_ = CicTypeChecker.type_of_aux' menv context ty
199 CicUniv.oblivion_ugraph
202 | Cic.Sort Cic.Prop -> true
205 CicTypeChecker.TypeCheckerFailure _ ->
206 HLog.error "auto proof to sript transformation error"; false
208 let floc = HExtlib.dummy_floc in
209 (* minimalisti cic.term -> pt.term *)
211 let rec aux c = function
215 | Cic.Const _ as t ->
216 PT.Ident (pp_t c t, None)
217 | Cic.Appl l -> PT.Appl (List.map (aux c) l)
218 | Cic.Implicit _ -> PT.Implicit
219 | Cic.Lambda (Cic.Name n, s, t) ->
220 PT.Binder (`Lambda, (PT.Ident (n,None), Some (aux c s)),
221 aux (Some (Cic.Name n, Cic.Decl s)::c) t)
222 | Cic.Prod (Cic.Name n, s, t) ->
223 PT.Binder (`Forall, (PT.Ident (n,None), Some (aux c s)),
224 aux (Some (Cic.Name n, Cic.Decl s)::c) t)
225 | Cic.LetIn (Cic.Name n, s, t) ->
226 PT.Binder (`Lambda, (PT.Ident (n,None), Some (aux c s)),
227 aux (Some (Cic.Name n, Cic.Def (s,None))::c) t)
228 | Cic.Meta _ -> PT.Implicit
229 | Cic.Sort (Cic.Type u) -> PT.Sort (`Type u)
230 | Cic.Sort Cic.Set -> PT.Sort `Set
231 | Cic.Sort Cic.CProp -> PT.Sort `CProp
232 | Cic.Sort Cic.Prop -> PT.Sort `Prop
233 | _ as t -> PT.Ident ("ERROR: "^CicPp.ppterm t, None)
237 (* prints an applicative proof, that is an auto proof.
238 * don't use in the general case! *)
239 let rec print_proof context = function
241 | Cic.Const _ as t ->
242 [GA.Executable (floc,
244 Some (GA.Apply (floc, print_term context t)), GA.Dot floc))]
245 | Cic.Appl (he::tl) ->
246 let tl = List.map (fun t -> t, sort_of context t) tl in
248 HExtlib.filter_map (function (t,true) -> Some t | _ -> None) tl
251 List.map (function | (t,true) -> Cic.Implicit None | (t,_) -> t) tl
253 if List.length subgoals > 1 then
255 [GA.Executable (floc,
257 Some (GA.Apply (floc, print_term context (Cic.Appl (he::args)))),
258 GA.Semicolon floc))] @
259 [GA.Executable (floc, GA.Tactic (floc, None, GA.Branch floc))] @
261 ~sep:[GA.Executable (floc, GA.Tactic (floc, None,GA.Shift floc))]
262 (List.map (print_proof context) subgoals)) @
263 [GA.Executable (floc, GA.Tactic (floc, None,GA.Merge floc))]
266 [GA.Executable (floc,
269 (floc, print_term context (Cic.Appl (he::args)) )), GA.Dot floc))]
273 | [x] -> print_proof context x
275 | Cic.Lambda (Cic.Name n, ty, bo) ->
276 [GA.Executable (floc,
278 Some (GA.Cut (floc, Some n, (print_term context ty))),
280 (print_proof (Some (Cic.Name n, Cic.Decl ty)::context) bo) @
281 [GA.Executable (floc, GA.Tactic (floc, None,GA.Shift floc))] @
282 [GA.Executable (floc, GA.Tactic (floc,
283 Some (GA.Assumption floc),GA.Merge floc))]
286 debug_print (lazy (CicPp.ppterm t));
290 (* performs a lambda closure of the proof term abstracting metas.
291 * this is really an approximation of a closure, local subst of metas
292 * is not kept into account *)
293 let close_pt menv context t =
294 let metas = CicUtil.metas_of_term t in
296 HExtlib.list_uniq ~eq:(fun (i,_) (j,_) -> i = j)
297 (List.sort (fun (i,_) (j,_) -> compare i j) metas)
299 let mk_rels_and_collapse_metas metas =
300 let rec aux i map acc acc1 = function
301 | [] -> acc, acc1, map
303 let _,_,ty = CicUtil.lookup_meta j menv in
305 let n = List.assoc ty map in
306 aux i map (Cic.Rel n :: acc) (m::acc1) tl
308 let map = (ty, i)::map in
309 aux (i+1) map (Cic.Rel i :: acc) (m::acc1) tl
313 let rels, metas, map = mk_rels_and_collapse_metas metas in
314 let n_lambdas = List.length map in
320 ProofEngineReduction.replace_lifting
321 ~what:(List.map (fun (x,_) -> Cic.Meta (x,[])) metas)
324 ~equality:(fun _ x y ->
326 | Cic.Meta(i,_), Cic.Meta(j,_) when i=j -> true
328 ~where:(CicSubstitution.lift n_lambdas t)
330 let rec mk_lam = function
333 let name = "fresh_"^ string_of_int n in
334 Cic.Lambda (Cic.Name name, ty, mk_lam tl)
338 (fun (l,liftno) (ty,_) ->
339 (l @ [CicSubstitution.lift liftno ty,liftno] , liftno+1))
344 let ast = print_proof context (close_pt menv context t) in
346 (* ZACK: setting width to 80 will trigger a bug of BoxPp.render_to_string
347 * which will show up using the following command line:
348 * ./tptp2grafite -tptppath ~tassi/TPTP-v3.1.1 GRP170-1 *)
349 let width = max_int in
350 let term_pp content_term =
351 let pres_term = TermContentPres.pp_ast content_term in
352 let dummy_tbl = Hashtbl.create 1 in
353 let markup = CicNotationPres.render dummy_tbl pres_term in
354 let s = "(" ^ BoxPp.render_to_string
355 ~map_unicode_to_tex:(Helm_registry.get_bool
356 "matita.paste_unicode_as_tex")
357 List.hd width markup ^ ")" in
359 ~pat:"\\\\forall [Ha-z][a-z0-9_]*" ~subst:(fun x -> "\n" ^ x) s
361 CicNotationPp.set_pp_term term_pp;
362 let lazy_term_pp = fun x -> assert false in
363 let obj_pp = CicNotationPp.pp_obj CicNotationPp.pp_term in
364 GrafiteAstPp.pp_statement
365 ~map_unicode_to_tex:(Helm_registry.get_bool
366 "matita.paste_unicode_as_tex")
367 ~term_pp ~lazy_term_pp ~obj_pp t
369 let script = String.concat "" (List.map pp ast) in
370 prerr_endline script;
371 stupid_indenter script
374 let rec eval_macro include_paths (buffer : GText.buffer) guistuff lexicon_status grafite_status user_goal unparsed_text parsed_text script mac =
375 let module TAPp = GrafiteAstPp in
376 let module MQ = MetadataQuery in
377 let module MDB = LibraryDb in
378 let module CTC = CicTypeChecker in
379 let module CU = CicUniv in
380 (* no idea why ocaml wants this *)
381 let parsed_text_length = String.length parsed_text in
382 let dbd = LibraryDb.instance () in
384 let f t = ProofEngineReduction.replace
385 ~equality:(fun _ t -> match t with Cic.Meta _ -> true | _ -> false)
386 ~what:[()] ~with_what:[Cic.Implicit None] ~where:t
388 let metasenv = GrafiteTypes.get_proof_metasenv grafite_status in
391 ApplyTransformation.txt_of_cic_term max_int metasenv [] (f x)
392 ~map_unicode_to_tex:(Helm_registry.get_bool
393 "matita.paste_unicode_as_tex"))
397 | TA.WMatch (loc, term) ->
398 let l = Whelp.match_term ~dbd term in
399 let entry = `Whelp (pp_macro mac, l) in
400 guistuff.mathviewer#show_uri_list ~reuse:true ~entry l;
401 [], "", parsed_text_length
402 | TA.WInstance (loc, term) ->
403 let l = Whelp.instance ~dbd term in
404 let entry = `Whelp (pp_macro mac, l) in
405 guistuff.mathviewer#show_uri_list ~reuse:true ~entry l;
406 [], "", parsed_text_length
407 | TA.WLocate (loc, s) ->
408 let l = Whelp.locate ~dbd s in
409 let entry = `Whelp (pp_macro mac, l) in
410 guistuff.mathviewer#show_uri_list ~reuse:true ~entry l;
411 [], "", parsed_text_length
412 | TA.WElim (loc, term) ->
415 | Cic.MutInd (uri,n,_) -> UriManager.uri_of_uriref uri n None
416 | _ -> failwith "Not a MutInd"
418 let l = Whelp.elim ~dbd uri in
419 let entry = `Whelp (pp_macro mac, l) in
420 guistuff.mathviewer#show_uri_list ~reuse:true ~entry l;
421 [], "", parsed_text_length
422 | TA.WHint (loc, term) ->
424 let s = ((None,[0,[],term], _subst, Cic.Meta (0,[]) ,term, []),0) in
425 let l = List.map fst (MQ.experimental_hint ~dbd s) in
426 let entry = `Whelp (pp_macro mac, l) in
427 guistuff.mathviewer#show_uri_list ~reuse:true ~entry l;
428 [], "", parsed_text_length
430 | TA.Hint (loc, rewrite) ->
434 | None -> raise NoUnfinishedProof
436 let proof = GrafiteTypes.get_current_proof grafite_status in
437 let proof_status = proof,user_goal' in
439 let l = MQ.equations_for_goal ~dbd proof_status in
440 let l = List.filter (fun u -> not (LibraryObjects.in_eq_URIs u)) l in
441 let entry = `Whelp (pp_macro (TA.WHint(loc, Cic.Implicit None)), l) in
442 guistuff.mathviewer#show_uri_list ~reuse:true ~entry l;
443 [], "", parsed_text_length
445 let l = List.map fst (MQ.experimental_hint ~dbd proof_status) in
446 let selected = guistuff.urichooser l in
448 | [] -> [], "", parsed_text_length
450 let suri = UriManager.string_of_uri uri in
452 TA.Executable (loc, (TA.Tactic (loc,
453 Some (TA.Apply (loc, CicNotationPt.Uri (suri, None))),
456 comment parsed_text ^ "\n" ^
457 pp_eager_statement_ast (ast HExtlib.dummy_floc)
458 ~map_unicode_to_tex:(Helm_registry.get_bool
459 "matita.paste_unicode_as_tex")
461 let text_len = MatitaGtkMisc.utf8_string_length text in
462 let loc = HExtlib.floc_of_loc (0,text_len) in
463 let statement = `Ast (GrafiteParser.LSome (ast loc),text) in
464 let res,_,_parsed_text_len =
465 eval_statement include_paths buffer guistuff lexicon_status
466 grafite_status user_goal script statement
468 (* we need to replace all the parsed_text *)
469 res,"",String.length parsed_text
472 "The result of the urichooser should be only 1 uri, not:\n";
474 fun u -> HLog.error (UriManager.string_of_uri u ^ "\n")
477 | TA.Check (_,term) ->
478 let metasenv = GrafiteTypes.get_proof_metasenv grafite_status in
482 | Some n -> GrafiteTypes.get_proof_context grafite_status n in
483 let ty,_ = CTC.type_of_aux' metasenv context term CicUniv.empty_ugraph in
484 let t_and_ty = Cic.Cast (term,ty) in
485 guistuff.mathviewer#show_entry (`Cic (t_and_ty,metasenv));
486 [], "", parsed_text_length
487 | TA.AutoInteractive (_, params) ->
491 | None -> raise NoUnfinishedProof
493 let proof = GrafiteTypes.get_current_proof grafite_status in
494 let proof_status = proof,user_goal' in
496 let _,menv,_,_,_,_ = proof in
497 let i,cc,ty = CicUtil.lookup_meta user_goal' menv in
498 let timestamp = Unix.gettimeofday () in
499 let (_,menv,subst,_,_,_), _ =
500 ProofEngineTypes.apply_tactic
501 (Auto.auto_tac ~dbd ~params
502 ~universe:grafite_status.GrafiteTypes.universe) proof_status
506 CicMkImplicit.identity_relocation_list_for_metavariable cc
508 CicMetaSubst.apply_subst subst (Cic.Meta (i,irl))
510 let time = Unix.gettimeofday () -. timestamp in
511 let size, depth = Auto.size_and_depth cc menv proof_term in
514 "\n(* end auto(%s) proof: TIME=%4.2f SIZE=%d DEPTH=%d *)"
515 Auto.revision time size depth
518 if List.exists (fun (s,_) -> s = "paramodulation") params then
519 let proof_term, how_many_lambdas =
520 Auto.lambda_close ~prefix_name:"orrible_hack_"
524 CicTypeChecker.type_of_aux'
525 menv [] proof_term CicUniv.empty_ugraph
527 prerr_endline (CicPp.ppterm proof_term);
528 (* use declarative output *)
530 (* il proof_term vive in cc, devo metterci i lambda no? *)
531 (Cic.CurrentProof ("xxx",menv,proof_term,ty,[],[]))
533 ApplyTransformation.txt_of_cic_object
534 ~map_unicode_to_tex:(Helm_registry.get_bool
535 "matita.paste_unicode_as_tex")
536 ~skip_thm_and_qed:true
537 ~skip_initial_lambdas:how_many_lambdas
538 80 GrafiteAst.Declarative "" obj
541 (* use cic2grafite *)
542 cic2grafite cc menv proof_term
544 (* alternative using FG stuff *)
545 let proof_term, how_many_lambdas =
546 Auto.lambda_close ~prefix_name:"orrible_hack_"
550 CicTypeChecker.type_of_aux'
551 menv [] proof_term CicUniv.empty_ugraph
554 Cic.Constant ("",Some proof_term, ty, [], [`Flavour `Lemma])
556 Pcre.qreplace ~templ:"?" ~pat:"orrible_hack_[0-9]+"
558 (ApplyTransformation.txt_of_cic_object
559 ~map_unicode_to_tex:(Helm_registry.get_bool
560 "matita.paste_unicode_as_tex")
561 ~skip_thm_and_qed:true
562 ~skip_initial_lambdas:how_many_lambdas
563 80 (GrafiteAst.Procedural None) "" obj))
565 let text = comment parsed_text ^ "\n" ^ proof_script ^ trailer in
566 [],text,parsed_text_length
568 ProofEngineTypes.Fail _ as exn ->
570 (* [], comment parsed_text ^ "\nfail.\n", parsed_text_length *))
571 | TA.Inline (_,style,suri,prefix) ->
573 ApplyTransformation.txt_of_inline_macro
574 ~map_unicode_to_tex:(Helm_registry.get_bool
575 "matita.paste_unicode_as_tex")
578 [], str, String.length parsed_text
580 and eval_executable include_paths (buffer : GText.buffer) guistuff
581 lexicon_status grafite_status user_goal unparsed_text skipped_txt nonskipped_txt
584 let module TAPp = GrafiteAstPp in
585 let module MD = GrafiteDisambiguator in
586 let module ML = MatitaMisc in
590 | TA.Command (_,TA.Set (_,"baseuri",u)) ->
591 if Http_getter_storage.is_read_only u then
592 raise (ActionCancelled ("baseuri " ^ u ^ " is readonly"));
593 if not (Http_getter_storage.is_empty ~local:true u) then
595 guistuff.ask_confirmation
596 ~title:"Baseuri redefinition"
598 "Baseuri " ^ u ^ " already exists.\n" ^
599 "Do you want to redefine the corresponding "^
600 "part of the library?")
602 | `YES -> LibraryClean.clean_baseuris [u]
604 | `CANCEL -> raise MatitaTypes.Cancel)
607 ignore (buffer#move_mark (`NAME "beginning_of_statement")
608 ~where:((buffer#get_iter_at_mark (`NAME "locked"))#forward_chars
609 (Glib.Utf8.length skipped_txt))) ;
610 eval_with_engine include_paths
611 guistuff lexicon_status grafite_status user_goal skipped_txt nonskipped_txt
612 (TA.Executable (loc, ex))
614 MatitaTypes.Cancel -> [], "", 0
615 | GrafiteEngine.Macro (_loc,lazy_macro) ->
619 | Some n -> GrafiteTypes.get_proof_context grafite_status n in
620 let grafite_status,macro = lazy_macro context in
621 eval_macro include_paths buffer guistuff lexicon_status grafite_status
622 user_goal unparsed_text (skipped_txt ^ nonskipped_txt) script macro
624 and eval_statement include_paths (buffer : GText.buffer) guistuff lexicon_status
625 grafite_status user_goal script statement
627 let (lexicon_status,st), unparsed_text =
630 if Pcre.pmatch ~rex:only_dust_RE text then raise Margin;
632 wrap_with_make include_paths guistuff
633 (GrafiteParser.parse_statement
634 (Ulexing.from_utf8_string text) ~include_paths) lexicon_status
637 | `Ast (st, text) -> (lexicon_status, st), text
639 let text_of_loc floc =
640 let nonskipped_txt,_ = MatitaGtkMisc.utf8_parsed_text unparsed_text floc in
641 let start, stop = HExtlib.loc_of_floc floc in
642 let floc = HExtlib.floc_of_loc (0, start) in
643 let skipped_txt,_ = MatitaGtkMisc.utf8_parsed_text unparsed_text floc in
644 let floc = HExtlib.floc_of_loc (0, stop) in
645 let txt,len = MatitaGtkMisc.utf8_parsed_text unparsed_text floc in
646 txt,nonskipped_txt,skipped_txt,len
649 | GrafiteParser.LNone loc ->
650 let parsed_text, _, _, parsed_text_length = text_of_loc loc in
651 [(grafite_status,lexicon_status),parsed_text],"",
653 | GrafiteParser.LSome (GrafiteAst.Comment (loc, _)) ->
654 let parsed_text, _, _, parsed_text_length = text_of_loc loc in
655 let remain_len = String.length unparsed_text - parsed_text_length in
656 let s = String.sub unparsed_text parsed_text_length remain_len in
659 eval_statement include_paths buffer guistuff lexicon_status
660 grafite_status user_goal script (`Raw s)
662 HExtlib.Localized (floc, exn) ->
663 HExtlib.raise_localized_exception
664 ~offset:(MatitaGtkMisc.utf8_string_length parsed_text) floc exn
665 | GrafiteDisambiguator.DisambiguationError (offset,errorll) ->
667 (GrafiteDisambiguator.DisambiguationError
668 (offset+parsed_text_length, errorll))
670 assert (text=""); (* no macros inside comments, please! *)
672 | (statuses,text)::tl ->
673 (statuses,parsed_text ^ text)::tl,"",parsed_text_length + len
675 | GrafiteParser.LSome (GrafiteAst.Executable (loc, ex)) ->
676 let _, nonskipped, skipped, parsed_text_length =
679 eval_executable include_paths buffer guistuff lexicon_status
680 grafite_status user_goal unparsed_text skipped nonskipped script ex loc
682 let fresh_script_id =
686 class script ~(source_view: GSourceView.source_view)
687 ~(mathviewer: MatitaTypes.mathViewer)
693 let buffer = source_view#buffer in
694 let source_buffer = source_view#source_buffer in
695 let initial_statuses baseuri =
697 CicNotation2.load_notation ~include_paths:[]
698 BuildTimeConf.core_notation_script
700 let grafite_status = GrafiteSync.init baseuri in
701 grafite_status,lexicon_status
703 let read_include_paths file =
705 let root, _buri, _fname, _tgt =
706 Librarian.baseuri_of_script ~include_paths:[] file
709 Str.split (Str.regexp " ")
710 (List.assoc "include_paths" (Librarian.load_root_file (root^"/root")))
712 List.iter (HLog.debug) rc; rc
713 with Librarian.NoRootFor _ | Not_found -> []
715 let default_buri = "cic:/matita/tests" in
716 let default_fname = ".unnamed.ma" in
718 val mutable include_paths_ = []
720 val scriptId = fresh_script_id ()
723 mathviewer = mathviewer;
724 urichooser = urichooser;
725 ask_confirmation = ask_confirmation;
728 val mutable filename_ = (None : string option)
730 method has_name = filename_ <> None
732 method include_paths =
735 method private curdir =
737 let root, _buri, _fname, _tgt =
738 Librarian.baseuri_of_script ~include_paths:self#include_paths
742 with Librarian.NoRootFor _ -> Sys.getcwd ()
744 method buri_of_current_file =
746 | None -> default_buri
749 let _root, buri, _fname, _tgt =
750 Librarian.baseuri_of_script ~include_paths:self#include_paths f
753 with Librarian.NoRootFor _ -> default_buri
755 method filename = match filename_ with None -> default_fname | Some f -> f
758 ignore (GMain.Timeout.add ~ms:300000
759 ~callback:(fun _ -> self#_saveToBackupFile ();true));
760 ignore (buffer#connect#modified_changed
761 (fun _ -> set_star buffer#modified))
763 val mutable statements = [] (** executed statements *)
765 val mutable history = [ initial_statuses default_buri ]
766 (** list of states before having executed statements. Head element of this
767 * list is the current state, last element is the state at the beginning of
769 * Invariant: this list length is 1 + length of statements *)
771 (** goal as seen by the user (i.e. metano corresponding to current tab) *)
772 val mutable userGoal = None
774 (** text mark and tag representing locked part of a script *)
776 buffer#create_mark ~name:"locked" ~left_gravity:true buffer#start_iter
777 val beginning_of_statement_mark =
778 buffer#create_mark ~name:"beginning_of_statement"
779 ~left_gravity:true buffer#start_iter
780 val locked_tag = buffer#create_tag [`BACKGROUND "lightblue"; `EDITABLE false]
781 val error_tag = buffer#create_tag [`UNDERLINE `SINGLE; `FOREGROUND "red"]
783 method locked_mark = locked_mark
784 method locked_tag = locked_tag
785 method error_tag = error_tag
787 (* history can't be empty, the invariant above grant that it contains at
788 * least the init grafite_status *)
789 method grafite_status = match history with (s,_)::_ -> s | _ -> assert false
790 method lexicon_status = match history with (_,ss)::_ -> ss | _ -> assert false
792 method private _advance ?statement () =
793 let s = match statement with Some s -> s | None -> self#getFuture in
794 HLog.debug ("evaluating: " ^ first_line s ^ " ...");
795 let entries, newtext, parsed_len =
797 eval_statement self#include_paths buffer guistuff self#lexicon_status
798 self#grafite_status userGoal self (`Raw s)
799 with End_of_file -> raise Margin
801 let new_statuses, new_statements =
802 let statuses, texts = List.split entries in
805 history <- new_statuses @ history;
806 statements <- new_statements @ statements;
807 let start = buffer#get_iter_at_mark (`MARK locked_mark) in
808 let new_text = String.concat "" (List.rev new_statements) in
809 if statement <> None then
810 buffer#insert ~iter:start new_text
812 let parsed_text = String.sub s 0 parsed_len in
813 if new_text <> parsed_text then begin
814 let stop = start#copy#forward_chars (Glib.Utf8.length parsed_text) in
815 buffer#delete ~start ~stop;
816 buffer#insert ~iter:start new_text;
819 self#moveMark (Glib.Utf8.length new_text);
820 buffer#insert ~iter:(buffer#get_iter_at_mark (`MARK locked_mark)) newtext;
821 (* here we need to set the Goal in case we are going to cursor (or to
822 bottom) and we will face a macro *)
823 match self#grafite_status.proof_status with
824 Incomplete_proof p ->
826 (try Some (Continuationals.Stack.find_goal p.stack)
827 with Failure _ -> None)
828 | _ -> userGoal <- None
830 method private _retract offset lexicon_status grafite_status new_statements
833 let cur_grafite_status,cur_lexicon_status =
834 match history with s::_ -> s | [] -> assert false
836 LexiconSync.time_travel ~present:cur_lexicon_status ~past:lexicon_status;
837 GrafiteSync.time_travel ~present:cur_grafite_status ~past:grafite_status;
838 statements <- new_statements;
839 history <- new_history;
840 self#moveMark (- offset)
842 method advance ?statement () =
844 self#_advance ?statement ();
847 | Margin -> self#notify
848 | Not_found -> assert false
849 | Invalid_argument "Array.make" -> HLog.error "The script is too big!\n"
850 | exc -> self#notify; raise exc
854 let cmp,new_statements,new_history,(grafite_status,lexicon_status) =
855 match statements,history with
856 stat::statements, _::(status::_ as history) ->
857 assert (Glib.Utf8.validate stat);
858 Glib.Utf8.length stat, statements, history, status
859 | [],[_] -> raise Margin
860 | _,_ -> assert false
862 self#_retract cmp lexicon_status grafite_status new_statements
866 | Margin -> self#notify
867 | Invalid_argument "Array.make" -> HLog.error "The script is too big!\n"
868 | exc -> self#notify; raise exc
870 method private getFuture =
871 buffer#get_text ~start:(buffer#get_iter_at_mark (`MARK locked_mark))
872 ~stop:buffer#end_iter ()
875 (** @param rel_offset relative offset from current position of locked_mark *)
876 method private moveMark rel_offset =
877 let mark = `MARK locked_mark in
878 let old_insert = buffer#get_iter_at_mark `INSERT in
879 buffer#remove_tag locked_tag ~start:buffer#start_iter ~stop:buffer#end_iter;
880 let current_mark_pos = buffer#get_iter_at_mark mark in
882 match rel_offset with
883 | 0 -> current_mark_pos
884 | n when n > 0 -> current_mark_pos#forward_chars n
885 | n (* when n < 0 *) -> current_mark_pos#backward_chars (abs n)
887 buffer#move_mark mark ~where:new_mark_pos;
888 buffer#apply_tag locked_tag ~start:buffer#start_iter ~stop:new_mark_pos;
889 buffer#move_mark `INSERT old_insert;
890 let mark_position = buffer#get_iter_at_mark mark in
891 if source_view#move_mark_onscreen mark then
893 buffer#move_mark mark mark_position;
894 source_view#scroll_to_mark ~use_align:true ~xalign:1.0 ~yalign:0.1 mark;
896 while Glib.Main.pending () do ignore(Glib.Main.iteration false); done
898 method clean_dirty_lock =
899 let lock_mark_iter = buffer#get_iter_at_mark (`MARK locked_mark) in
900 buffer#remove_tag locked_tag ~start:buffer#start_iter ~stop:buffer#end_iter;
901 buffer#apply_tag locked_tag ~start:buffer#start_iter ~stop:lock_mark_iter
903 val mutable observers = []
905 method addObserver (o: LexiconEngine.status -> GrafiteTypes.status -> unit) =
906 observers <- o :: observers
908 method private notify =
909 let lexicon_status = self#lexicon_status in
910 let grafite_status = self#grafite_status in
911 List.iter (fun o -> o lexicon_status grafite_status) observers
913 method loadFromString s =
916 buffer#set_modified true
918 method loadFromFile f =
919 buffer#set_text (HExtlib.input_file f);
921 buffer#set_modified false
923 method assignFileName file =
926 | Some f -> Some (Librarian.absolutize f)
932 (match file with Some file -> read_include_paths file | None -> []);
934 Sys.chdir self#curdir;
935 HLog.debug ("Moving to " ^ Sys.getcwd ())
937 method saveToFile () =
938 if self#has_name && buffer#modified then
939 let oc = open_out self#filename in
940 output_string oc (buffer#get_text ~start:buffer#start_iter
941 ~stop:buffer#end_iter ());
944 buffer#set_modified false
946 if self#has_name then HLog.debug "No need to save"
947 else HLog.error "Can't save, no filename selected"
949 method private _saveToBackupFile () =
950 if buffer#modified then
952 let f = self#filename in
953 let oc = open_out f in
954 output_string oc (buffer#get_text ~start:buffer#start_iter
955 ~stop:buffer#end_iter ());
957 HLog.debug ("backup " ^ f ^ " saved")
960 method private goto_top =
961 let grafite_status,lexicon_status =
962 let rec last x = function
964 | hd::tl -> last hd tl
966 last (self#grafite_status,self#lexicon_status) history
968 (* FIXME: this is not correct since there is no undo for
969 * library_objects.set_default... *)
970 GrafiteSync.time_travel ~present:self#grafite_status ~past:grafite_status;
971 LexiconSync.time_travel ~present:self#lexicon_status ~past:lexicon_status
973 method private reset_buffer =
975 history <- [ initial_statuses self#buri_of_current_file ];
978 buffer#remove_tag locked_tag ~start:buffer#start_iter ~stop:buffer#end_iter;
979 buffer#move_mark (`MARK locked_mark) ~where:buffer#start_iter
983 source_buffer#begin_not_undoable_action ();
984 buffer#delete ~start:buffer#start_iter ~stop:buffer#end_iter;
985 source_buffer#end_not_undoable_action ();
986 buffer#set_modified false;
989 let template = HExtlib.input_file BuildTimeConf.script_template in
990 buffer#insert ~iter:(buffer#get_iter `START) template;
991 buffer#set_modified false;
994 method goto (pos: [`Top | `Bottom | `Cursor]) () =
996 let old_locked_mark =
998 (buffer#create_mark ~name:"old_locked_mark"
999 ~left_gravity:true (buffer#get_iter_at_mark (`MARK locked_mark))) in
1000 let getpos _ = buffer#get_iter_at_mark (`MARK locked_mark) in
1001 let getoldpos _ = buffer#get_iter_at_mark old_locked_mark in
1002 let dispose_old_locked_mark () = buffer#delete_mark old_locked_mark in
1005 dispose_old_locked_mark ();
1011 let rec dowhile () =
1013 let newpos = getpos () in
1014 if (getoldpos ())#compare newpos < 0 then
1016 buffer#move_mark old_locked_mark newpos;
1021 dispose_old_locked_mark ();
1024 | Margin -> dispose_old_locked_mark (); self#notify
1025 | exc -> dispose_old_locked_mark (); self#notify; raise exc)
1027 let locked_iter () = buffer#get_iter_at_mark (`NAME "locked") in
1028 let cursor_iter () = buffer#get_iter_at_mark `INSERT in
1031 (buffer#create_mark ~name:"initial_insert"
1032 ~left_gravity:true (cursor_iter ())) in
1033 let dispose_remember () = buffer#delete_mark remember in
1034 let remember_iter () =
1035 buffer#get_iter_at_mark (`NAME "initial_insert") in
1036 let cmp () = (locked_iter ())#offset - (remember_iter ())#offset in
1037 let icmp = cmp () in
1038 let forward_until_cursor () = (* go forward until locked > cursor *)
1041 if cmp () < 0 && (getoldpos ())#compare (getpos ()) < 0
1044 buffer#move_mark old_locked_mark (getpos ());
1050 let rec back_until_cursor len = (* go backward until locked < cursor *)
1052 statements, ((grafite_status,lexicon_status)::_ as history)
1054 self#_retract (icmp - len) lexicon_status grafite_status statements
1056 | statement::tl1, _::tl2 ->
1057 back_until_cursor (len - MatitaGtkMisc.utf8_string_length statement) (tl1,tl2)
1058 | _,_ -> assert false
1062 if icmp < 0 then (* locked < cursor *)
1063 (forward_until_cursor (); self#notify)
1064 else if icmp > 0 then (* locked > cursor *)
1065 (back_until_cursor icmp (statements,history); self#notify)
1066 else (* cursor = locked *)
1069 dispose_remember ();
1070 dispose_old_locked_mark ();
1072 | Margin -> dispose_remember (); dispose_old_locked_mark (); self#notify
1073 | exc -> dispose_remember (); dispose_old_locked_mark ();
1074 self#notify; raise exc)
1075 with Invalid_argument "Array.make" ->
1076 HLog.error "The script is too big!\n"
1078 method onGoingProof () =
1079 match self#grafite_status.proof_status with
1080 | No_proof | Proof _ -> false
1081 | Incomplete_proof _ -> true
1082 | Intermediate _ -> assert false
1084 (* method proofStatus = MatitaTypes.get_proof_status self#status *)
1085 method proofMetasenv = GrafiteTypes.get_proof_metasenv self#grafite_status
1087 method proofContext =
1090 | Some n -> GrafiteTypes.get_proof_context self#grafite_status n
1092 method proofConclusion =
1094 None -> assert false
1096 GrafiteTypes.get_proof_conclusion self#grafite_status n
1098 method stack = GrafiteTypes.get_stack self#grafite_status
1099 method setGoal n = userGoal <- n
1100 method goal = userGoal
1108 let rec is_there_only_comments lexicon_status s =
1109 if Pcre.pmatch ~rex:only_dust_RE s then raise Margin;
1110 let lexicon_status,st =
1111 GrafiteParser.parse_statement (Ulexing.from_utf8_string s)
1112 ~include_paths:self#include_paths lexicon_status
1115 | GrafiteParser.LSome (GrafiteAst.Comment (loc,_)) ->
1116 let _,parsed_text_length = MatitaGtkMisc.utf8_parsed_text s loc in
1117 (* CSC: why +1 in the following lines ???? *)
1118 let parsed_text_length = parsed_text_length + 1 in
1119 prerr_endline ("## " ^ string_of_int parsed_text_length);
1120 let remain_len = String.length s - parsed_text_length in
1121 let next = String.sub s parsed_text_length remain_len in
1122 is_there_only_comments lexicon_status next
1123 | GrafiteParser.LNone _
1124 | GrafiteParser.LSome (GrafiteAst.Executable _) -> false
1127 is_there_only_comments self#lexicon_status self#getFuture
1129 | LexiconEngine.IncludedFileNotCompiled _
1130 | HExtlib.Localized _
1131 | CicNotationParser.Parse_error _ -> false
1132 | Margin | End_of_file -> true
1133 | Invalid_argument "Array.make" -> false
1137 HLog.debug "script status:";
1138 HLog.debug ("history size: " ^ string_of_int (List.length history));
1139 HLog.debug (sprintf "%d statements:" (List.length statements));
1140 List.iter HLog.debug statements;
1141 HLog.debug ("Current file name: " ^ self#filename);
1144 let _script = ref None
1146 let script ~source_view ~mathviewer ~urichooser ~rootcreator ~ask_confirmation ~set_star ()
1149 ~source_view ~mathviewer ~ask_confirmation ~urichooser ~rootcreator ~set_star ()
1154 let current () = match !_script with None -> assert false | Some s -> s