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 g f x =
110 | DependenciesParser.UnableToInclude mafilename ->
111 assert (Pcre.pmatch ~pat:"ma$" mafilename);
112 check_if_file_is_exists mafilename
114 | LexiconEngine.IncludedFileNotCompiled (xfilename,mafilename)
115 | GrafiteEngine.IncludedFileNotCompiled (xfilename,mafilename) as exn ->
116 assert (Pcre.pmatch ~pat:"ma$" mafilename);
117 assert (Pcre.pmatch ~pat:"lexicon$" xfilename ||
118 Pcre.pmatch ~pat:"mo$" xfilename );
119 (* we know that someone was able to include the .ma, get the baseuri
120 * but was unable to get the compilation output 'xfilename' *)
125 guistuff lexicon_status grafite_status user_goal
126 skipped_txt nonskipped_txt st
128 wrap_with_make guistuff
130 guistuff lexicon_status grafite_status user_goal
131 skipped_txt nonskipped_txt) st
134 let pp_eager_statement_ast =
135 GrafiteAstPp.pp_statement ~term_pp:CicNotationPp.pp_term
136 ~lazy_term_pp:(fun _ -> assert false) ~obj_pp:(fun _ -> assert false)
138 (* naive implementation of procedural proof script generation,
139 * starting from an applicatiove *auto generated) proof.
140 * this is out of place, but I like it :-P *)
141 let cic2grafite context menv t =
142 (* indents a proof script in a stupid way, better than nothing *)
143 let stupid_indenter s =
145 let idx_square_o = try String.index s '[' with Not_found -> -1 in
146 let idx_square_c = try String.index s ']' with Not_found -> -1 in
147 let idx_pipe = try String.index s '|' with Not_found -> -1 in
149 List.sort (fun (i,_) (j,_) -> compare i j)
150 [idx_square_o,'[';idx_square_c,']';idx_pipe,'|']
152 let tok = List.filter (fun (i,_) -> i <> -1) tok in
154 | (i,c)::_ -> Some (i,c)
157 let break_apply n s =
158 let tab = String.make (n+1) ' ' in
159 Pcre.replace ~templ:(".\n" ^ tab ^ "apply") ~pat:"\\.apply" s
165 | Some (position, char) ->
168 String.sub s 0 position,
169 String.sub s (position+1) (String.length s - (position+1))
172 | '[' -> break_apply n s1 ^ "\n" ^ String.make (n+2) ' ' ^
174 | '|' -> break_apply n s1 ^ "\n" ^ String.make n ' ' ^
176 | ']' -> break_apply n s1 ^ "\n" ^ String.make n ' ' ^
180 Invalid_argument err ->
186 let module PT = CicNotationPt in
187 let module GA = GrafiteAst in
190 List.map (function Some (n,_) -> Some n | None -> None) context
194 let sort_of context t =
197 CicTypeChecker.type_of_aux' menv context t
198 CicUniv.oblivion_ugraph
200 let sort,_ = CicTypeChecker.type_of_aux' menv context ty
201 CicUniv.oblivion_ugraph
204 | Cic.Sort Cic.Prop -> true
207 CicTypeChecker.TypeCheckerFailure _ ->
208 HLog.error "auto proof to sript transformation error"; false
210 let floc = HExtlib.dummy_floc in
211 (* minimalisti cic.term -> pt.term *)
213 let rec aux c = function
217 | Cic.Const _ as t ->
218 PT.Ident (pp_t c t, None)
219 | Cic.Appl l -> PT.Appl (List.map (aux c) l)
220 | Cic.Implicit _ -> PT.Implicit
221 | Cic.Lambda (Cic.Name n, s, t) ->
222 PT.Binder (`Lambda, (PT.Ident (n,None), Some (aux c s)),
223 aux (Some (Cic.Name n, Cic.Decl s)::c) t)
224 | Cic.Prod (Cic.Name n, s, t) ->
225 PT.Binder (`Forall, (PT.Ident (n,None), Some (aux c s)),
226 aux (Some (Cic.Name n, Cic.Decl s)::c) t)
227 | Cic.LetIn (Cic.Name n, s, t) ->
228 PT.Binder (`Lambda, (PT.Ident (n,None), Some (aux c s)),
229 aux (Some (Cic.Name n, Cic.Def (s,None))::c) t)
230 | Cic.Meta _ -> PT.Implicit
231 | Cic.Sort (Cic.Type u) -> PT.Sort (`Type u)
232 | Cic.Sort Cic.Set -> PT.Sort `Set
233 | Cic.Sort Cic.CProp -> PT.Sort `CProp
234 | Cic.Sort Cic.Prop -> PT.Sort `Prop
235 | _ as t -> PT.Ident ("ERROR: "^CicPp.ppterm t, None)
239 (* prints an applicative proof, that is an auto proof.
240 * don't use in the general case! *)
241 let rec print_proof context = function
243 | Cic.Const _ as t ->
244 [GA.Executable (floc,
246 Some (GA.Apply (floc, print_term context t)), GA.Dot floc))]
247 | Cic.Appl (he::tl) ->
248 let tl = List.map (fun t -> t, sort_of context t) tl in
250 HExtlib.filter_map (function (t,true) -> Some t | _ -> None) tl
253 List.map (function | (t,true) -> Cic.Implicit None | (t,_) -> t) tl
255 if List.length subgoals > 1 then
257 [GA.Executable (floc,
259 Some (GA.Apply (floc, print_term context (Cic.Appl (he::args)))),
260 GA.Semicolon floc))] @
261 [GA.Executable (floc, GA.Tactic (floc, None, GA.Branch floc))] @
263 ~sep:[GA.Executable (floc, GA.Tactic (floc, None,GA.Shift floc))]
264 (List.map (print_proof context) subgoals)) @
265 [GA.Executable (floc, GA.Tactic (floc, None,GA.Merge floc))]
268 [GA.Executable (floc,
271 (floc, print_term context (Cic.Appl (he::args)) )), GA.Dot floc))]
275 | [x] -> print_proof context x
277 | Cic.Lambda (Cic.Name n, ty, bo) ->
278 [GA.Executable (floc,
280 Some (GA.Cut (floc, Some n, (print_term context ty))),
282 (print_proof (Some (Cic.Name n, Cic.Decl ty)::context) bo) @
283 [GA.Executable (floc, GA.Tactic (floc, None,GA.Shift floc))] @
284 [GA.Executable (floc, GA.Tactic (floc,
285 Some (GA.Assumption floc),GA.Merge floc))]
288 debug_print (lazy (CicPp.ppterm t));
292 (* performs a lambda closure of the proof term abstracting metas.
293 * this is really an approximation of a closure, local subst of metas
294 * is not kept into account *)
295 let close_pt menv context t =
296 let metas = CicUtil.metas_of_term t in
298 HExtlib.list_uniq ~eq:(fun (i,_) (j,_) -> i = j)
299 (List.sort (fun (i,_) (j,_) -> compare i j) metas)
301 let mk_rels_and_collapse_metas metas =
302 let rec aux i map acc acc1 = function
303 | [] -> acc, acc1, map
305 let _,_,ty = CicUtil.lookup_meta j menv in
307 let n = List.assoc ty map in
308 aux i map (Cic.Rel n :: acc) (m::acc1) tl
310 let map = (ty, i)::map in
311 aux (i+1) map (Cic.Rel i :: acc) (m::acc1) tl
315 let rels, metas, map = mk_rels_and_collapse_metas metas in
316 let n_lambdas = List.length map in
322 ProofEngineReduction.replace_lifting
323 ~what:(List.map (fun (x,_) -> Cic.Meta (x,[])) metas)
326 ~equality:(fun _ x y ->
328 | Cic.Meta(i,_), Cic.Meta(j,_) when i=j -> true
330 ~where:(CicSubstitution.lift n_lambdas t)
332 let rec mk_lam = function
335 let name = "fresh_"^ string_of_int n in
336 Cic.Lambda (Cic.Name name, ty, mk_lam tl)
340 (fun (l,liftno) (ty,_) ->
341 (l @ [CicSubstitution.lift liftno ty,liftno] , liftno+1))
346 let ast = print_proof context (close_pt menv context t) in
348 (* ZACK: setting width to 80 will trigger a bug of BoxPp.render_to_string
349 * which will show up using the following command line:
350 * ./tptp2grafite -tptppath ~tassi/TPTP-v3.1.1 GRP170-1 *)
351 let width = max_int in
352 let term_pp content_term =
353 let pres_term = TermContentPres.pp_ast content_term in
354 let dummy_tbl = Hashtbl.create 1 in
355 let markup = CicNotationPres.render dummy_tbl pres_term in
356 let s = "(" ^ BoxPp.render_to_string
357 ~map_unicode_to_tex:(Helm_registry.get_bool
358 "matita.paste_unicode_as_tex")
359 List.hd width markup ^ ")" in
361 ~pat:"\\\\forall [Ha-z][a-z0-9_]*" ~subst:(fun x -> "\n" ^ x) s
363 CicNotationPp.set_pp_term term_pp;
364 let lazy_term_pp = fun x -> assert false in
365 let obj_pp = CicNotationPp.pp_obj CicNotationPp.pp_term in
366 GrafiteAstPp.pp_statement
367 ~map_unicode_to_tex:(Helm_registry.get_bool
368 "matita.paste_unicode_as_tex")
369 ~term_pp ~lazy_term_pp ~obj_pp t
371 let script = String.concat "" (List.map pp ast) in
372 prerr_endline script;
373 stupid_indenter script
376 let rec eval_macro include_paths (buffer : GText.buffer) guistuff lexicon_status grafite_status user_goal unparsed_text parsed_text script mac =
377 let module TAPp = GrafiteAstPp in
378 let module MQ = MetadataQuery in
379 let module MDB = LibraryDb in
380 let module CTC = CicTypeChecker in
381 let module CU = CicUniv in
382 (* no idea why ocaml wants this *)
383 let parsed_text_length = String.length parsed_text in
384 let dbd = LibraryDb.instance () in
386 let f t = ProofEngineReduction.replace
387 ~equality:(fun _ t -> match t with Cic.Meta _ -> true | _ -> false)
388 ~what:[()] ~with_what:[Cic.Implicit None] ~where:t
390 let metasenv = GrafiteTypes.get_proof_metasenv grafite_status in
393 ApplyTransformation.txt_of_cic_term max_int metasenv [] (f x)
394 ~map_unicode_to_tex:(Helm_registry.get_bool
395 "matita.paste_unicode_as_tex"))
399 | TA.WMatch (loc, term) ->
400 let l = Whelp.match_term ~dbd term in
401 let entry = `Whelp (pp_macro mac, l) in
402 guistuff.mathviewer#show_uri_list ~reuse:true ~entry l;
403 [], "", parsed_text_length
404 | TA.WInstance (loc, term) ->
405 let l = Whelp.instance ~dbd term in
406 let entry = `Whelp (pp_macro mac, l) in
407 guistuff.mathviewer#show_uri_list ~reuse:true ~entry l;
408 [], "", parsed_text_length
409 | TA.WLocate (loc, s) ->
410 let l = Whelp.locate ~dbd s in
411 let entry = `Whelp (pp_macro mac, l) in
412 guistuff.mathviewer#show_uri_list ~reuse:true ~entry l;
413 [], "", parsed_text_length
414 | TA.WElim (loc, term) ->
417 | Cic.MutInd (uri,n,_) -> UriManager.uri_of_uriref uri n None
418 | _ -> failwith "Not a MutInd"
420 let l = Whelp.elim ~dbd uri in
421 let entry = `Whelp (pp_macro mac, l) in
422 guistuff.mathviewer#show_uri_list ~reuse:true ~entry l;
423 [], "", parsed_text_length
424 | TA.WHint (loc, term) ->
426 let s = ((None,[0,[],term], _subst, Cic.Meta (0,[]) ,term, []),0) in
427 let l = List.map fst (MQ.experimental_hint ~dbd s) in
428 let entry = `Whelp (pp_macro mac, l) in
429 guistuff.mathviewer#show_uri_list ~reuse:true ~entry l;
430 [], "", parsed_text_length
432 | TA.Hint (loc, rewrite) ->
436 | None -> raise NoUnfinishedProof
438 let proof = GrafiteTypes.get_current_proof grafite_status in
439 let proof_status = proof,user_goal' in
441 let l = MQ.equations_for_goal ~dbd proof_status in
442 let l = List.filter (fun u -> not (LibraryObjects.in_eq_URIs u)) l in
443 let entry = `Whelp (pp_macro (TA.WHint(loc, Cic.Implicit None)), l) in
444 guistuff.mathviewer#show_uri_list ~reuse:true ~entry l;
445 [], "", parsed_text_length
447 let l = List.map fst (MQ.experimental_hint ~dbd proof_status) in
448 let selected = guistuff.urichooser l in
450 | [] -> [], "", parsed_text_length
452 let suri = UriManager.string_of_uri uri in
454 TA.Executable (loc, (TA.Tactic (loc,
455 Some (TA.Apply (loc, CicNotationPt.Uri (suri, None))),
458 comment parsed_text ^ "\n" ^
459 pp_eager_statement_ast (ast HExtlib.dummy_floc)
460 ~map_unicode_to_tex:(Helm_registry.get_bool
461 "matita.paste_unicode_as_tex")
463 let text_len = MatitaGtkMisc.utf8_string_length text in
464 let loc = HExtlib.floc_of_loc (0,text_len) in
465 let statement = `Ast (GrafiteParser.LSome (ast loc),text) in
466 let res,_,_parsed_text_len =
467 eval_statement include_paths buffer guistuff lexicon_status
468 grafite_status user_goal script statement
470 (* we need to replace all the parsed_text *)
471 res,"",String.length parsed_text
474 "The result of the urichooser should be only 1 uri, not:\n";
476 fun u -> HLog.error (UriManager.string_of_uri u ^ "\n")
479 | TA.Check (_,term) ->
480 let metasenv = GrafiteTypes.get_proof_metasenv grafite_status in
484 | Some n -> GrafiteTypes.get_proof_context grafite_status n in
485 let ty,_ = CTC.type_of_aux' metasenv context term CicUniv.empty_ugraph in
486 let t_and_ty = Cic.Cast (term,ty) in
487 guistuff.mathviewer#show_entry (`Cic (t_and_ty,metasenv));
488 [], "", parsed_text_length
489 | TA.AutoInteractive (_, params) ->
493 | None -> raise NoUnfinishedProof
495 let proof = GrafiteTypes.get_current_proof grafite_status in
496 let proof_status = proof,user_goal' in
498 let _,menv,_,_,_,_ = proof in
499 let i,cc,ty = CicUtil.lookup_meta user_goal' menv in
500 let timestamp = Unix.gettimeofday () in
501 let (_,menv,subst,_,_,_), _ =
502 ProofEngineTypes.apply_tactic
503 (Auto.auto_tac ~dbd ~params
504 ~universe:grafite_status.GrafiteTypes.universe) proof_status
508 CicMkImplicit.identity_relocation_list_for_metavariable cc
510 CicMetaSubst.apply_subst subst (Cic.Meta (i,irl))
512 let time = Unix.gettimeofday () -. timestamp in
513 let size, depth = Auto.size_and_depth cc menv proof_term in
516 "\n(* end auto(%s) proof: TIME=%4.2f SIZE=%d DEPTH=%d *)"
517 Auto.revision time size depth
520 if List.exists (fun (s,_) -> s = "paramodulation") params then
521 let proof_term, how_many_lambdas =
522 Auto.lambda_close ~prefix_name:"orrible_hack_"
526 CicTypeChecker.type_of_aux'
527 menv [] proof_term CicUniv.empty_ugraph
529 prerr_endline (CicPp.ppterm proof_term);
530 (* use declarative output *)
532 (* il proof_term vive in cc, devo metterci i lambda no? *)
533 (Cic.CurrentProof ("xxx",menv,proof_term,ty,[],[]))
535 ApplyTransformation.txt_of_cic_object
536 ~map_unicode_to_tex:(Helm_registry.get_bool
537 "matita.paste_unicode_as_tex")
538 ~skip_thm_and_qed:true
539 ~skip_initial_lambdas:how_many_lambdas
540 80 GrafiteAst.Declarative "" obj
543 (* use cic2grafite *)
544 cic2grafite cc menv proof_term
546 (* alternative using FG stuff *)
547 let proof_term, how_many_lambdas =
548 Auto.lambda_close ~prefix_name:"orrible_hack_"
552 CicTypeChecker.type_of_aux'
553 menv [] proof_term CicUniv.empty_ugraph
556 Cic.Constant ("",Some proof_term, ty, [], [`Flavour `Lemma])
558 Pcre.qreplace ~templ:"?" ~pat:"orrible_hack_[0-9]+"
560 (ApplyTransformation.txt_of_cic_object
561 ~map_unicode_to_tex:(Helm_registry.get_bool
562 "matita.paste_unicode_as_tex")
563 ~skip_thm_and_qed:true
564 ~skip_initial_lambdas:how_many_lambdas
565 80 (GrafiteAst.Procedural None) "" obj))
567 let text = comment parsed_text ^ "\n" ^ proof_script ^ trailer in
568 [],text,parsed_text_length
570 ProofEngineTypes.Fail _ as exn ->
572 (* [], comment parsed_text ^ "\nfail.\n", parsed_text_length *))
573 | TA.Inline (_,style,suri,prefix) ->
575 ApplyTransformation.txt_of_inline_macro
576 ~map_unicode_to_tex:(Helm_registry.get_bool
577 "matita.paste_unicode_as_tex")
580 [], str, String.length parsed_text
582 and eval_executable include_paths (buffer : GText.buffer) guistuff
583 lexicon_status grafite_status user_goal unparsed_text skipped_txt nonskipped_txt
586 let module TAPp = GrafiteAstPp in
587 let module MD = GrafiteDisambiguator in
588 let module ML = MatitaMisc in
592 | TA.Command (_,TA.Set (_,"baseuri",u)) ->
593 if Http_getter_storage.is_read_only u then
594 raise (ActionCancelled ("baseuri " ^ u ^ " is readonly"));
595 if not (Http_getter_storage.is_empty ~local:true u) then
597 guistuff.ask_confirmation
598 ~title:"Baseuri redefinition"
600 "Baseuri " ^ u ^ " already exists.\n" ^
601 "Do you want to redefine the corresponding "^
602 "part of the library?")
604 | `YES -> LibraryClean.clean_baseuris [u]
606 | `CANCEL -> raise MatitaTypes.Cancel)
609 ignore (buffer#move_mark (`NAME "beginning_of_statement")
610 ~where:((buffer#get_iter_at_mark (`NAME "locked"))#forward_chars
611 (Glib.Utf8.length skipped_txt))) ;
613 guistuff lexicon_status grafite_status user_goal skipped_txt nonskipped_txt
614 (TA.Executable (loc, ex))
616 MatitaTypes.Cancel -> [], "", 0
617 | GrafiteEngine.Macro (_loc,lazy_macro) ->
621 | Some n -> GrafiteTypes.get_proof_context grafite_status n in
622 let grafite_status,macro = lazy_macro context in
623 eval_macro include_paths buffer guistuff lexicon_status grafite_status
624 user_goal unparsed_text (skipped_txt ^ nonskipped_txt) script macro
626 and eval_statement include_paths (buffer : GText.buffer) guistuff lexicon_status
627 grafite_status user_goal script statement
629 let (lexicon_status,st), unparsed_text =
632 if Pcre.pmatch ~rex:only_dust_RE text then raise Margin;
634 wrap_with_make guistuff
635 (GrafiteParser.parse_statement
636 (Ulexing.from_utf8_string text) ~include_paths) lexicon_status
639 | `Ast (st, text) -> (lexicon_status, st), text
641 let text_of_loc floc =
642 let nonskipped_txt,_ = MatitaGtkMisc.utf8_parsed_text unparsed_text floc in
643 let start, stop = HExtlib.loc_of_floc floc in
644 let floc = HExtlib.floc_of_loc (0, start) in
645 let skipped_txt,_ = MatitaGtkMisc.utf8_parsed_text unparsed_text floc in
646 let floc = HExtlib.floc_of_loc (0, stop) in
647 let txt,len = MatitaGtkMisc.utf8_parsed_text unparsed_text floc in
648 txt,nonskipped_txt,skipped_txt,len
651 | GrafiteParser.LNone loc ->
652 let parsed_text, _, _, parsed_text_length = text_of_loc loc in
653 [(grafite_status,lexicon_status),parsed_text],"",
655 | GrafiteParser.LSome (GrafiteAst.Comment (loc, _)) ->
656 let parsed_text, _, _, parsed_text_length = text_of_loc loc in
657 let remain_len = String.length unparsed_text - parsed_text_length in
658 let s = String.sub unparsed_text parsed_text_length remain_len in
661 eval_statement include_paths buffer guistuff lexicon_status
662 grafite_status user_goal script (`Raw s)
664 HExtlib.Localized (floc, exn) ->
665 HExtlib.raise_localized_exception
666 ~offset:(MatitaGtkMisc.utf8_string_length parsed_text) floc exn
667 | GrafiteDisambiguator.DisambiguationError (offset,errorll) ->
669 (GrafiteDisambiguator.DisambiguationError
670 (offset+parsed_text_length, errorll))
672 assert (text=""); (* no macros inside comments, please! *)
674 | (statuses,text)::tl ->
675 (statuses,parsed_text ^ text)::tl,"",parsed_text_length + len
677 | GrafiteParser.LSome (GrafiteAst.Executable (loc, ex)) ->
678 let _, nonskipped, skipped, parsed_text_length =
681 eval_executable include_paths buffer guistuff lexicon_status
682 grafite_status user_goal unparsed_text skipped nonskipped script ex loc
684 let fresh_script_id =
688 class script ~(source_view: GSourceView.source_view)
689 ~(mathviewer: MatitaTypes.mathViewer)
695 let buffer = source_view#buffer in
696 let source_buffer = source_view#source_buffer in
697 let initial_statuses baseuri =
698 (* these include_paths are used only to load the initial notation *)
700 Helm_registry.get_list Helm_registry.string "matita.includes" in
702 CicNotation2.load_notation ~include_paths
703 BuildTimeConf.core_notation_script in
704 let grafite_status = GrafiteSync.init baseuri in
705 grafite_status,lexicon_status
707 let default_buri = "cic:/matita/tests" in
708 let default_fname = ".unnamed.ma" in
710 val mutable include_paths =
711 Helm_registry.get_list Helm_registry.string "matita.includes"
713 val scriptId = fresh_script_id ()
716 mathviewer = mathviewer;
717 urichooser = urichooser;
718 ask_confirmation = ask_confirmation;
721 val mutable filename_ = (None : string option)
723 method has_name = filename_ <> None
725 method buri_of_current_file =
727 | None -> default_buri
729 try let root, buri, fname = Librarian.baseuri_of_script f in buri
730 with Librarian.NoRootFor _ -> default_buri
732 method filename = match filename_ with None -> default_fname | Some f -> f
735 ignore (GMain.Timeout.add ~ms:300000
736 ~callback:(fun _ -> self#_saveToBackupFile ();true));
737 ignore (buffer#connect#modified_changed
738 (fun _ -> set_star buffer#modified))
740 val mutable statements = [] (** executed statements *)
742 val mutable history = [ initial_statuses default_buri ]
743 (** list of states before having executed statements. Head element of this
744 * list is the current state, last element is the state at the beginning of
746 * Invariant: this list length is 1 + length of statements *)
748 (** goal as seen by the user (i.e. metano corresponding to current tab) *)
749 val mutable userGoal = None
751 (** text mark and tag representing locked part of a script *)
753 buffer#create_mark ~name:"locked" ~left_gravity:true buffer#start_iter
754 val beginning_of_statement_mark =
755 buffer#create_mark ~name:"beginning_of_statement"
756 ~left_gravity:true buffer#start_iter
757 val locked_tag = buffer#create_tag [`BACKGROUND "lightblue"; `EDITABLE false]
758 val error_tag = buffer#create_tag [`UNDERLINE `SINGLE; `FOREGROUND "red"]
760 method locked_mark = locked_mark
761 method locked_tag = locked_tag
762 method error_tag = error_tag
764 (* history can't be empty, the invariant above grant that it contains at
765 * least the init grafite_status *)
766 method grafite_status = match history with (s,_)::_ -> s | _ -> assert false
767 method lexicon_status = match history with (_,ss)::_ -> ss | _ -> assert false
769 method private _advance ?statement () =
770 let s = match statement with Some s -> s | None -> self#getFuture in
771 HLog.debug ("evaluating: " ^ first_line s ^ " ...");
772 let entries, newtext, parsed_len =
774 eval_statement include_paths buffer guistuff self#lexicon_status
775 self#grafite_status userGoal self (`Raw s)
776 with End_of_file -> raise Margin
778 let new_statuses, new_statements =
779 let statuses, texts = List.split entries in
782 history <- new_statuses @ history;
783 statements <- new_statements @ statements;
784 let start = buffer#get_iter_at_mark (`MARK locked_mark) in
785 let new_text = String.concat "" (List.rev new_statements) in
786 if statement <> None then
787 buffer#insert ~iter:start new_text
789 let parsed_text = String.sub s 0 parsed_len in
790 if new_text <> parsed_text then begin
791 let stop = start#copy#forward_chars (Glib.Utf8.length parsed_text) in
792 buffer#delete ~start ~stop;
793 buffer#insert ~iter:start new_text;
796 self#moveMark (Glib.Utf8.length new_text);
797 buffer#insert ~iter:(buffer#get_iter_at_mark (`MARK locked_mark)) newtext;
798 (* here we need to set the Goal in case we are going to cursor (or to
799 bottom) and we will face a macro *)
800 match self#grafite_status.proof_status with
801 Incomplete_proof p ->
803 (try Some (Continuationals.Stack.find_goal p.stack)
804 with Failure _ -> None)
805 | _ -> userGoal <- None
807 method private _retract offset lexicon_status grafite_status new_statements
810 let cur_grafite_status,cur_lexicon_status =
811 match history with s::_ -> s | [] -> assert false
813 LexiconSync.time_travel ~present:cur_lexicon_status ~past:lexicon_status;
814 GrafiteSync.time_travel ~present:cur_grafite_status ~past:grafite_status;
815 statements <- new_statements;
816 history <- new_history;
817 self#moveMark (- offset)
819 method advance ?statement () =
821 self#_advance ?statement ();
824 | Margin -> self#notify
825 | Not_found -> assert false
826 | Invalid_argument "Array.make" -> HLog.error "The script is too big!\n"
827 | exc -> self#notify; raise exc
831 let cmp,new_statements,new_history,(grafite_status,lexicon_status) =
832 match statements,history with
833 stat::statements, _::(status::_ as history) ->
834 assert (Glib.Utf8.validate stat);
835 Glib.Utf8.length stat, statements, history, status
836 | [],[_] -> raise Margin
837 | _,_ -> assert false
839 self#_retract cmp lexicon_status grafite_status new_statements
843 | Margin -> self#notify
844 | Invalid_argument "Array.make" -> HLog.error "The script is too big!\n"
845 | exc -> self#notify; raise exc
847 method private getFuture =
848 buffer#get_text ~start:(buffer#get_iter_at_mark (`MARK locked_mark))
849 ~stop:buffer#end_iter ()
852 (** @param rel_offset relative offset from current position of locked_mark *)
853 method private moveMark rel_offset =
854 let mark = `MARK locked_mark in
855 let old_insert = buffer#get_iter_at_mark `INSERT in
856 buffer#remove_tag locked_tag ~start:buffer#start_iter ~stop:buffer#end_iter;
857 let current_mark_pos = buffer#get_iter_at_mark mark in
859 match rel_offset with
860 | 0 -> current_mark_pos
861 | n when n > 0 -> current_mark_pos#forward_chars n
862 | n (* when n < 0 *) -> current_mark_pos#backward_chars (abs n)
864 buffer#move_mark mark ~where:new_mark_pos;
865 buffer#apply_tag locked_tag ~start:buffer#start_iter ~stop:new_mark_pos;
866 buffer#move_mark `INSERT old_insert;
867 let mark_position = buffer#get_iter_at_mark mark in
868 if source_view#move_mark_onscreen mark then
870 buffer#move_mark mark mark_position;
871 source_view#scroll_to_mark ~use_align:true ~xalign:1.0 ~yalign:0.1 mark;
873 while Glib.Main.pending () do ignore(Glib.Main.iteration false); done
875 method clean_dirty_lock =
876 let lock_mark_iter = buffer#get_iter_at_mark (`MARK locked_mark) in
877 buffer#remove_tag locked_tag ~start:buffer#start_iter ~stop:buffer#end_iter;
878 buffer#apply_tag locked_tag ~start:buffer#start_iter ~stop:lock_mark_iter
880 val mutable observers = []
882 method addObserver (o: LexiconEngine.status -> GrafiteTypes.status -> unit) =
883 observers <- o :: observers
885 method private notify =
886 let lexicon_status = self#lexicon_status in
887 let grafite_status = self#grafite_status in
888 List.iter (fun o -> o lexicon_status grafite_status) observers
890 method loadFromString s =
893 buffer#set_modified true
895 method loadFromFile f =
896 buffer#set_text (HExtlib.input_file f);
898 buffer#set_modified false
900 method assignFileName file =
905 method saveToFile () =
906 if self#has_name && buffer#modified then
907 let oc = open_out self#filename in
908 output_string oc (buffer#get_text ~start:buffer#start_iter
909 ~stop:buffer#end_iter ());
912 buffer#set_modified false
914 if self#has_name then HLog.debug "No need to save"
915 else HLog.error "Can't save, no filename selected"
917 method private _saveToBackupFile () =
918 if buffer#modified then
920 let f = self#filename in
921 let oc = open_out f in
922 output_string oc (buffer#get_text ~start:buffer#start_iter
923 ~stop:buffer#end_iter ());
925 HLog.debug ("backup " ^ f ^ " saved")
928 method private goto_top =
929 let grafite_status,lexicon_status =
930 let rec last x = function
932 | hd::tl -> last hd tl
934 last (self#grafite_status,self#lexicon_status) history
936 (* FIXME: this is not correct since there is no undo for
937 * library_objects.set_default... *)
938 GrafiteSync.time_travel ~present:self#grafite_status ~past:grafite_status;
939 LexiconSync.time_travel ~present:self#lexicon_status ~past:lexicon_status
941 method private reset_buffer =
943 history <- [ initial_statuses self#buri_of_current_file ];
946 buffer#remove_tag locked_tag ~start:buffer#start_iter ~stop:buffer#end_iter;
947 buffer#move_mark (`MARK locked_mark) ~where:buffer#start_iter
951 source_buffer#begin_not_undoable_action ();
952 buffer#delete ~start:buffer#start_iter ~stop:buffer#end_iter;
953 source_buffer#end_not_undoable_action ();
954 buffer#set_modified false;
957 let template = HExtlib.input_file BuildTimeConf.script_template in
958 buffer#insert ~iter:(buffer#get_iter `START) template;
959 buffer#set_modified false;
962 method goto (pos: [`Top | `Bottom | `Cursor]) () =
964 let old_locked_mark =
966 (buffer#create_mark ~name:"old_locked_mark"
967 ~left_gravity:true (buffer#get_iter_at_mark (`MARK locked_mark))) in
968 let getpos _ = buffer#get_iter_at_mark (`MARK locked_mark) in
969 let getoldpos _ = buffer#get_iter_at_mark old_locked_mark in
970 let dispose_old_locked_mark () = buffer#delete_mark old_locked_mark in
973 dispose_old_locked_mark ();
981 let newpos = getpos () in
982 if (getoldpos ())#compare newpos < 0 then
984 buffer#move_mark old_locked_mark newpos;
989 dispose_old_locked_mark ();
992 | Margin -> dispose_old_locked_mark (); self#notify
993 | exc -> dispose_old_locked_mark (); self#notify; raise exc)
995 let locked_iter () = buffer#get_iter_at_mark (`NAME "locked") in
996 let cursor_iter () = buffer#get_iter_at_mark `INSERT in
999 (buffer#create_mark ~name:"initial_insert"
1000 ~left_gravity:true (cursor_iter ())) in
1001 let dispose_remember () = buffer#delete_mark remember in
1002 let remember_iter () =
1003 buffer#get_iter_at_mark (`NAME "initial_insert") in
1004 let cmp () = (locked_iter ())#offset - (remember_iter ())#offset in
1005 let icmp = cmp () in
1006 let forward_until_cursor () = (* go forward until locked > cursor *)
1009 if cmp () < 0 && (getoldpos ())#compare (getpos ()) < 0
1012 buffer#move_mark old_locked_mark (getpos ());
1018 let rec back_until_cursor len = (* go backward until locked < cursor *)
1020 statements, ((grafite_status,lexicon_status)::_ as history)
1022 self#_retract (icmp - len) lexicon_status grafite_status statements
1024 | statement::tl1, _::tl2 ->
1025 back_until_cursor (len - MatitaGtkMisc.utf8_string_length statement) (tl1,tl2)
1026 | _,_ -> assert false
1030 if icmp < 0 then (* locked < cursor *)
1031 (forward_until_cursor (); self#notify)
1032 else if icmp > 0 then (* locked > cursor *)
1033 (back_until_cursor icmp (statements,history); self#notify)
1034 else (* cursor = locked *)
1037 dispose_remember ();
1038 dispose_old_locked_mark ();
1040 | Margin -> dispose_remember (); dispose_old_locked_mark (); self#notify
1041 | exc -> dispose_remember (); dispose_old_locked_mark ();
1042 self#notify; raise exc)
1043 with Invalid_argument "Array.make" ->
1044 HLog.error "The script is too big!\n"
1046 method onGoingProof () =
1047 match self#grafite_status.proof_status with
1048 | No_proof | Proof _ -> false
1049 | Incomplete_proof _ -> true
1050 | Intermediate _ -> assert false
1052 (* method proofStatus = MatitaTypes.get_proof_status self#status *)
1053 method proofMetasenv = GrafiteTypes.get_proof_metasenv self#grafite_status
1055 method proofContext =
1058 | Some n -> GrafiteTypes.get_proof_context self#grafite_status n
1060 method proofConclusion =
1062 None -> assert false
1064 GrafiteTypes.get_proof_conclusion self#grafite_status n
1066 method stack = GrafiteTypes.get_stack self#grafite_status
1067 method setGoal n = userGoal <- n
1068 method goal = userGoal
1076 let rec is_there_only_comments lexicon_status s =
1077 if Pcre.pmatch ~rex:only_dust_RE s then raise Margin;
1078 let lexicon_status,st =
1079 GrafiteParser.parse_statement (Ulexing.from_utf8_string s)
1080 ~include_paths lexicon_status
1083 | GrafiteParser.LSome (GrafiteAst.Comment (loc,_)) ->
1084 let _,parsed_text_length = MatitaGtkMisc.utf8_parsed_text s loc in
1085 (* CSC: why +1 in the following lines ???? *)
1086 let parsed_text_length = parsed_text_length + 1 in
1087 prerr_endline ("## " ^ string_of_int parsed_text_length);
1088 let remain_len = String.length s - parsed_text_length in
1089 let next = String.sub s parsed_text_length remain_len in
1090 is_there_only_comments lexicon_status next
1091 | GrafiteParser.LNone _
1092 | GrafiteParser.LSome (GrafiteAst.Executable _) -> false
1095 is_there_only_comments self#lexicon_status self#getFuture
1097 | LexiconEngine.IncludedFileNotCompiled _
1098 | HExtlib.Localized _
1099 | CicNotationParser.Parse_error _ -> false
1100 | Margin | End_of_file -> true
1101 | Invalid_argument "Array.make" -> false
1105 HLog.debug "script status:";
1106 HLog.debug ("history size: " ^ string_of_int (List.length history));
1107 HLog.debug (sprintf "%d statements:" (List.length statements));
1108 List.iter HLog.debug statements;
1109 HLog.debug ("Current file name: " ^ self#filename);
1110 HLog.debug ("Current buri: " ^ self#buri_of_current_file);
1113 let _script = ref None
1115 let script ~source_view ~mathviewer ~urichooser ~rootcreator ~ask_confirmation ~set_star ()
1118 ~source_view ~mathviewer ~ask_confirmation ~urichooser ~rootcreator ~set_star ()
1123 let current () = match !_script with None -> assert false | Some s -> s