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 include_paths 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 (* this function calls the parser in a way that it does not perform inclusions,
106 * so that we can ensure the inclusion is performed after the included file
107 * is compiled (if needed). matitac does not need that, since it compiles files
108 * in the good order, here files may be compiled on demand. *)
109 let wrap_with_make include_paths (f : GrafiteParser.statement) x =
111 f ~never_include:true ~include_paths x
113 | GrafiteParser.NoInclusionPerformed mafilename ->
114 let root, buri, _, tgt =
115 try Librarian.baseuri_of_script ~include_paths mafilename
116 with Librarian.NoRootFor _ ->
117 HLog.error ("The included file '"^mafilename^"' has no root file,");
118 HLog.error "please create it.";
119 raise (Failure ("No root file for "^mafilename))
125 let rc = MatitacLib.Make.make root [tgt] in
131 HLog.error ("Unexpected " ^ snd(MatitaExcPp.to_string exn));
135 try f ~include_paths x with LexiconEngine.IncludedFileNotCompiled _ ->
137 (Failure ("Including: "^tgt^
138 "\nNothing to do... did you run matitadep?"))
139 else raise (Failure ("Compiling: " ^ tgt))
142 let pp_eager_statement_ast =
143 GrafiteAstPp.pp_statement ~term_pp:CicNotationPp.pp_term
144 ~lazy_term_pp:(fun _ -> assert false) ~obj_pp:(fun _ -> assert false)
146 (* naive implementation of procedural proof script generation,
147 * starting from an applicatiove *auto generated) proof.
148 * this is out of place, but I like it :-P *)
149 let cic2grafite context menv t =
150 (* indents a proof script in a stupid way, better than nothing *)
151 let stupid_indenter s =
153 let idx_square_o = try String.index s '[' with Not_found -> -1 in
154 let idx_square_c = try String.index s ']' with Not_found -> -1 in
155 let idx_pipe = try String.index s '|' with Not_found -> -1 in
157 List.sort (fun (i,_) (j,_) -> compare i j)
158 [idx_square_o,'[';idx_square_c,']';idx_pipe,'|']
160 let tok = List.filter (fun (i,_) -> i <> -1) tok in
162 | (i,c)::_ -> Some (i,c)
165 let break_apply n s =
166 let tab = String.make (n+1) ' ' in
167 Pcre.replace ~templ:(".\n" ^ tab ^ "apply") ~pat:"\\.apply" s
173 | Some (position, char) ->
176 String.sub s 0 position,
177 String.sub s (position+1) (String.length s - (position+1))
180 | '[' -> break_apply n s1 ^ "\n" ^ String.make (n+2) ' ' ^
182 | '|' -> break_apply n s1 ^ "\n" ^ String.make n ' ' ^
184 | ']' -> break_apply n s1 ^ "\n" ^ String.make n ' ' ^
188 Invalid_argument err ->
194 let module PT = CicNotationPt in
195 let module GA = GrafiteAst in
198 List.map (function Some (n,_) -> Some n | None -> None) context
202 let sort_of context t =
205 CicTypeChecker.type_of_aux' menv context t
206 CicUniv.oblivion_ugraph
208 let sort,_ = CicTypeChecker.type_of_aux' menv context ty
209 CicUniv.oblivion_ugraph
212 | Cic.Sort Cic.Prop -> true
215 CicTypeChecker.TypeCheckerFailure _ ->
216 HLog.error "auto proof to sript transformation error"; false
218 let floc = HExtlib.dummy_floc in
219 (* minimalisti cic.term -> pt.term *)
221 let rec aux c = function
225 | Cic.Const _ as t ->
226 PT.Ident (pp_t c t, None)
227 | Cic.Appl l -> PT.Appl (List.map (aux c) l)
228 | Cic.Implicit _ -> PT.Implicit
229 | Cic.Lambda (Cic.Name n, s, t) ->
230 PT.Binder (`Lambda, (PT.Ident (n,None), Some (aux c s)),
231 aux (Some (Cic.Name n, Cic.Decl s)::c) t)
232 | Cic.Prod (Cic.Name n, s, t) ->
233 PT.Binder (`Forall, (PT.Ident (n,None), Some (aux c s)),
234 aux (Some (Cic.Name n, Cic.Decl s)::c) t)
235 | Cic.LetIn (Cic.Name n, s, ty, t) ->
236 PT.Binder (`Lambda, (PT.Ident (n,None), Some (aux c s)),
237 aux (Some (Cic.Name n, Cic.Def (s,ty))::c) t)
238 | Cic.Meta _ -> PT.Implicit
239 | Cic.Sort (Cic.Type u) -> PT.Sort (`Type u)
240 | Cic.Sort Cic.Set -> PT.Sort `Set
241 | Cic.Sort (Cic.CProp u) -> PT.Sort (`CProp u)
242 | Cic.Sort Cic.Prop -> PT.Sort `Prop
243 | _ as t -> PT.Ident ("ERROR: "^CicPp.ppterm t, None)
247 (* prints an applicative proof, that is an auto proof.
248 * don't use in the general case! *)
249 let rec print_proof context = function
251 | Cic.Const _ as t ->
252 [GA.Executable (floc,
254 Some (GA.Apply (floc, print_term context t)), GA.Dot floc))]
255 | Cic.Appl (he::tl) ->
256 let tl = List.map (fun t -> t, sort_of context t) tl in
258 HExtlib.filter_map (function (t,true) -> Some t | _ -> None) tl
261 List.map (function | (t,true) -> Cic.Implicit None | (t,_) -> t) tl
263 if List.length subgoals > 1 then
265 [GA.Executable (floc,
267 Some (GA.Apply (floc, print_term context (Cic.Appl (he::args)))),
268 GA.Semicolon floc))] @
269 [GA.Executable (floc, GA.Tactic (floc, None, GA.Branch floc))] @
271 ~sep:[GA.Executable (floc, GA.Tactic (floc, None,GA.Shift floc))]
272 (List.map (print_proof context) subgoals)) @
273 [GA.Executable (floc, GA.Tactic (floc, None,GA.Merge floc))]
276 [GA.Executable (floc,
279 (floc, print_term context (Cic.Appl (he::args)) )), GA.Dot floc))]
283 | [x] -> print_proof context x
285 | Cic.Lambda (Cic.Name n, ty, bo) ->
286 [GA.Executable (floc,
288 Some (GA.Cut (floc, Some n, (print_term context ty))),
290 (print_proof (Some (Cic.Name n, Cic.Decl ty)::context) bo) @
291 [GA.Executable (floc, GA.Tactic (floc, None,GA.Shift floc))] @
292 [GA.Executable (floc, GA.Tactic (floc,
293 Some (GA.Assumption floc),GA.Merge floc))]
296 debug_print (lazy (CicPp.ppterm t));
300 (* performs a lambda closure of the proof term abstracting metas.
301 * this is really an approximation of a closure, local subst of metas
302 * is not kept into account *)
303 let close_pt menv context t =
304 let metas = CicUtil.metas_of_term t in
306 HExtlib.list_uniq ~eq:(fun (i,_) (j,_) -> i = j)
307 (List.sort (fun (i,_) (j,_) -> compare i j) metas)
309 let mk_rels_and_collapse_metas metas =
310 let rec aux i map acc acc1 = function
311 | [] -> acc, acc1, map
313 let _,_,ty = CicUtil.lookup_meta j menv in
315 let n = List.assoc ty map in
316 aux i map (Cic.Rel n :: acc) (m::acc1) tl
318 let map = (ty, i)::map in
319 aux (i+1) map (Cic.Rel i :: acc) (m::acc1) tl
323 let rels, metas, map = mk_rels_and_collapse_metas metas in
324 let n_lambdas = List.length map in
330 ProofEngineReduction.replace_lifting
331 ~what:(List.map (fun (x,_) -> Cic.Meta (x,[])) metas)
334 ~equality:(fun _ x y ->
336 | Cic.Meta(i,_), Cic.Meta(j,_) when i=j -> true
338 ~where:(CicSubstitution.lift n_lambdas t)
340 let rec mk_lam = function
343 let name = "fresh_"^ string_of_int n in
344 Cic.Lambda (Cic.Name name, ty, mk_lam tl)
348 (fun (l,liftno) (ty,_) ->
349 (l @ [CicSubstitution.lift liftno ty,liftno] , liftno+1))
354 let ast = print_proof context (close_pt menv context t) in
356 (* ZACK: setting width to 80 will trigger a bug of BoxPp.render_to_string
357 * which will show up using the following command line:
358 * ./tptp2grafite -tptppath ~tassi/TPTP-v3.1.1 GRP170-1 *)
359 let width = max_int in
360 let term_pp content_term =
361 let pres_term = TermContentPres.pp_ast content_term in
362 let dummy_tbl = Hashtbl.create 1 in
363 let markup = CicNotationPres.render dummy_tbl pres_term in
364 let s = "(" ^ BoxPp.render_to_string
365 ~map_unicode_to_tex:(Helm_registry.get_bool
366 "matita.paste_unicode_as_tex")
367 List.hd width markup ^ ")" in
369 ~pat:"\\\\forall [Ha-z][a-z0-9_]*" ~subst:(fun x -> "\n" ^ x) s
371 CicNotationPp.set_pp_term term_pp;
372 let lazy_term_pp = fun x -> assert false in
373 let obj_pp = CicNotationPp.pp_obj CicNotationPp.pp_term in
374 GrafiteAstPp.pp_statement
375 ~map_unicode_to_tex:(Helm_registry.get_bool
376 "matita.paste_unicode_as_tex")
377 ~term_pp ~lazy_term_pp ~obj_pp t
379 let script = String.concat "" (List.map pp ast) in
380 prerr_endline script;
381 stupid_indenter script
384 let rec eval_macro include_paths (buffer : GText.buffer) guistuff lexicon_status grafite_status user_goal unparsed_text parsed_text script mac =
385 let module TAPp = GrafiteAstPp in
386 let module MQ = MetadataQuery in
387 let module MDB = LibraryDb in
388 let module CTC = CicTypeChecker in
389 let module CU = CicUniv in
390 (* no idea why ocaml wants this *)
391 let parsed_text_length = String.length parsed_text in
392 let dbd = LibraryDb.instance () in
394 let f t = ProofEngineReduction.replace
395 ~equality:(fun _ t -> match t with Cic.Meta _ -> true | _ -> false)
396 ~what:[()] ~with_what:[Cic.Implicit None] ~where:t
398 let metasenv = GrafiteTypes.get_proof_metasenv grafite_status in
401 ApplyTransformation.txt_of_cic_term max_int metasenv [] (f x)
402 ~map_unicode_to_tex:(Helm_registry.get_bool
403 "matita.paste_unicode_as_tex"))
407 | TA.WMatch (loc, term) ->
408 let l = Whelp.match_term ~dbd term 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.WInstance (loc, term) ->
413 let l = Whelp.instance ~dbd term in
414 let entry = `Whelp (pp_macro mac, l) in
415 guistuff.mathviewer#show_uri_list ~reuse:true ~entry l;
416 [], "", parsed_text_length
417 | TA.WLocate (loc, s) ->
418 let l = Whelp.locate ~dbd s 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.WElim (loc, term) ->
425 | Cic.MutInd (uri,n,_) -> UriManager.uri_of_uriref uri n None
426 | _ -> failwith "Not a MutInd"
428 let l = Whelp.elim ~dbd uri in
429 let entry = `Whelp (pp_macro mac, l) in
430 guistuff.mathviewer#show_uri_list ~reuse:true ~entry l;
431 [], "", parsed_text_length
432 | TA.WHint (loc, term) ->
434 let s = ((None,[0,[],term], _subst, lazy (Cic.Meta (0,[])) ,term, []),0) in
435 let l = List.map fst (MQ.experimental_hint ~dbd s) in
436 let entry = `Whelp (pp_macro mac, l) in
437 guistuff.mathviewer#show_uri_list ~reuse:true ~entry l;
438 [], "", parsed_text_length
440 | TA.Hint (loc, rewrite) ->
444 | None -> raise NoUnfinishedProof
446 let proof = GrafiteTypes.get_current_proof grafite_status in
447 let proof_status = proof,user_goal' in
449 let l = MQ.equations_for_goal ~dbd proof_status in
450 let l = List.filter (fun u -> not (LibraryObjects.in_eq_URIs u)) l in
451 let entry = `Whelp (pp_macro (TA.WHint(loc, Cic.Implicit None)), l) in
452 guistuff.mathviewer#show_uri_list ~reuse:true ~entry l;
453 [], "", parsed_text_length
455 let l = List.map fst (MQ.experimental_hint ~dbd proof_status) in
456 let selected = guistuff.urichooser l in
458 | [] -> [], "", parsed_text_length
460 let suri = UriManager.string_of_uri uri in
462 TA.Executable (loc, (TA.Tactic (loc,
463 Some (TA.Apply (loc, CicNotationPt.Uri (suri, None))),
466 comment parsed_text ^ "\n" ^
467 pp_eager_statement_ast (ast HExtlib.dummy_floc)
468 ~map_unicode_to_tex:(Helm_registry.get_bool
469 "matita.paste_unicode_as_tex")
471 let text_len = MatitaGtkMisc.utf8_string_length text in
472 let loc = HExtlib.floc_of_loc (0,text_len) in
473 let statement = `Ast (GrafiteParser.LSome (ast loc),text) in
474 let res,_,_parsed_text_len =
475 eval_statement include_paths buffer guistuff lexicon_status
476 grafite_status user_goal script statement
478 (* we need to replace all the parsed_text *)
479 res,"",String.length parsed_text
482 "The result of the urichooser should be only 1 uri, not:\n";
484 fun u -> HLog.error (UriManager.string_of_uri u ^ "\n")
487 | TA.Check (_,term) ->
488 let metasenv = GrafiteTypes.get_proof_metasenv grafite_status in
492 | Some n -> GrafiteTypes.get_proof_context grafite_status n in
493 let ty,_ = CTC.type_of_aux' metasenv context term CicUniv.empty_ugraph in
494 let t_and_ty = Cic.Cast (term,ty) in
495 guistuff.mathviewer#show_entry (`Cic (t_and_ty,metasenv));
496 [], "", parsed_text_length
497 | TA.AutoInteractive (_, params) ->
501 | None -> raise NoUnfinishedProof
503 let proof = GrafiteTypes.get_current_proof grafite_status in
504 let proof_status = proof,user_goal' in
506 let _,menv,_,_,_,_ = proof in
507 let i,cc,ty = CicUtil.lookup_meta user_goal' menv in
508 let timestamp = Unix.gettimeofday () in
509 let (_,menv,subst,_,_,_), _ =
510 ProofEngineTypes.apply_tactic
511 (Auto.auto_tac ~dbd ~params
512 ~universe:grafite_status.GrafiteTypes.universe) proof_status
516 CicMkImplicit.identity_relocation_list_for_metavariable cc
518 CicMetaSubst.apply_subst subst (Cic.Meta (i,irl))
520 let time = Unix.gettimeofday () -. timestamp in
521 let size, depth = Auto.size_and_depth cc menv proof_term in
524 "\n(* end auto(%s) proof: TIME=%4.2f SIZE=%d DEPTH=%d *)"
525 Auto.revision time size depth
528 if List.exists (fun (s,_) -> s = "paramodulation") (snd params) then
529 let proof_term, how_many_lambdas =
530 Auto.lambda_close ~prefix_name:"orrible_hack_"
534 CicTypeChecker.type_of_aux'
535 menv [] proof_term CicUniv.empty_ugraph
537 prerr_endline (CicPp.ppterm proof_term);
538 (* use declarative output *)
540 (* il proof_term vive in cc, devo metterci i lambda no? *)
541 (Cic.CurrentProof ("xxx",menv,proof_term,ty,[],[]))
543 ApplyTransformation.txt_of_cic_object
544 ~map_unicode_to_tex:(Helm_registry.get_bool
545 "matita.paste_unicode_as_tex")
546 ~skip_thm_and_qed:true
547 ~skip_initial_lambdas:how_many_lambdas
548 80 GrafiteAst.Declarative "" obj
551 (* use cic2grafite *)
552 cic2grafite cc menv proof_term
554 (* alternative using FG stuff *)
555 let map_unicode_to_tex =
556 Helm_registry.get_bool "matita.paste_unicode_as_tex"
558 ApplyTransformation.procedural_txt_of_cic_term
559 ~map_unicode_to_tex 78 cc proof_term
561 let text = comment parsed_text ^ "\n" ^ proof_script ^ trailer in
562 [],text,parsed_text_length
564 ProofEngineTypes.Fail _ as exn ->
566 (* [], comment parsed_text ^ "\nfail.\n", parsed_text_length *))
567 | TA.Inline (_,style,suri,prefix,flavour) ->
569 ApplyTransformation.txt_of_inline_macro
570 ~map_unicode_to_tex:(Helm_registry.get_bool
571 "matita.paste_unicode_as_tex")
572 style ?flavour prefix suri
574 [], str, String.length parsed_text
576 and eval_executable include_paths (buffer : GText.buffer) guistuff
577 lexicon_status grafite_status user_goal unparsed_text skipped_txt nonskipped_txt
580 let module TAPp = GrafiteAstPp in
581 let module MD = GrafiteDisambiguator in
582 let module ML = MatitaMisc in
584 ignore (buffer#move_mark (`NAME "beginning_of_statement")
585 ~where:((buffer#get_iter_at_mark (`NAME "locked"))#forward_chars
586 (Glib.Utf8.length skipped_txt))) ;
587 eval_with_engine include_paths
588 guistuff lexicon_status grafite_status user_goal skipped_txt nonskipped_txt
589 (TA.Executable (loc, ex))
591 MatitaTypes.Cancel -> [], "", 0
592 | GrafiteEngine.Macro (_loc,lazy_macro) ->
596 | Some n -> GrafiteTypes.get_proof_context grafite_status n in
597 let grafite_status,macro = lazy_macro context in
598 eval_macro include_paths buffer guistuff lexicon_status grafite_status
599 user_goal unparsed_text (skipped_txt ^ nonskipped_txt) script macro
601 and eval_statement include_paths (buffer : GText.buffer) guistuff lexicon_status
602 grafite_status user_goal script statement
604 let (lexicon_status,st), unparsed_text =
607 if Pcre.pmatch ~rex:only_dust_RE text then raise Margin;
609 wrap_with_make include_paths
610 (GrafiteParser.parse_statement (Ulexing.from_utf8_string text)) lexicon_status
613 | `Ast (st, text) -> (lexicon_status, st), text
615 let text_of_loc floc =
616 let nonskipped_txt,_ = MatitaGtkMisc.utf8_parsed_text unparsed_text floc in
617 let start, stop = HExtlib.loc_of_floc floc in
618 let floc = HExtlib.floc_of_loc (0, start) in
619 let skipped_txt,_ = MatitaGtkMisc.utf8_parsed_text unparsed_text floc in
620 let floc = HExtlib.floc_of_loc (0, stop) in
621 let txt,len = MatitaGtkMisc.utf8_parsed_text unparsed_text floc in
622 txt,nonskipped_txt,skipped_txt,len
625 | GrafiteParser.LNone loc ->
626 let parsed_text, _, _, parsed_text_length = text_of_loc loc in
627 [(grafite_status,lexicon_status),parsed_text],"",
629 | GrafiteParser.LSome (GrafiteAst.Comment (loc, _)) ->
630 let parsed_text, _, _, parsed_text_length = text_of_loc loc in
631 let remain_len = String.length unparsed_text - parsed_text_length in
632 let s = String.sub unparsed_text parsed_text_length remain_len in
635 eval_statement include_paths buffer guistuff lexicon_status
636 grafite_status user_goal script (`Raw s)
638 HExtlib.Localized (floc, exn) ->
639 HExtlib.raise_localized_exception
640 ~offset:(MatitaGtkMisc.utf8_string_length parsed_text) floc exn
641 | GrafiteDisambiguator.DisambiguationError (offset,errorll) ->
643 (GrafiteDisambiguator.DisambiguationError
644 (offset+parsed_text_length, errorll))
646 assert (text=""); (* no macros inside comments, please! *)
648 | (statuses,text)::tl ->
649 (statuses,parsed_text ^ text)::tl,"",parsed_text_length + len
651 | GrafiteParser.LSome (GrafiteAst.Executable (loc, ex)) ->
652 let _, nonskipped, skipped, parsed_text_length =
655 eval_executable include_paths buffer guistuff lexicon_status
656 grafite_status user_goal unparsed_text skipped nonskipped script ex loc
658 let fresh_script_id =
662 class script ~(source_view: GSourceView.source_view)
663 ~(mathviewer: MatitaTypes.mathViewer)
668 let buffer = source_view#buffer in
669 let source_buffer = source_view#source_buffer in
670 let initial_statuses baseuri =
672 CicNotation2.load_notation ~include_paths:[]
673 BuildTimeConf.core_notation_script
675 let grafite_status = GrafiteSync.init baseuri in
676 grafite_status,lexicon_status
678 let read_include_paths file =
680 let root, _buri, _fname, _tgt =
681 Librarian.baseuri_of_script ~include_paths:[] file
684 Str.split (Str.regexp " ")
685 (List.assoc "include_paths" (Librarian.load_root_file (root^"/root")))
687 List.iter (HLog.debug) rc; rc
688 with Librarian.NoRootFor _ | Not_found -> []
690 let default_buri = "cic:/matita/tests" in
691 let default_fname = ".unnamed.ma" in
693 val mutable include_paths_ = []
695 val scriptId = fresh_script_id ()
698 mathviewer = mathviewer;
699 urichooser = urichooser;
700 ask_confirmation = ask_confirmation;
703 val mutable filename_ = (None : string option)
705 method has_name = filename_ <> None
707 method include_paths =
709 Helm_registry.get_list Helm_registry.string "matita.includes"
711 method private curdir =
713 let root, _buri, _fname, _tgt =
714 Librarian.baseuri_of_script ~include_paths:self#include_paths
718 with Librarian.NoRootFor _ -> Sys.getcwd ()
720 method buri_of_current_file =
722 | None -> default_buri
725 let _root, buri, _fname, _tgt =
726 Librarian.baseuri_of_script ~include_paths:self#include_paths f
729 with Librarian.NoRootFor _ -> default_buri
731 method filename = match filename_ with None -> default_fname | Some f -> f
734 ignore (GMain.Timeout.add ~ms:300000
735 ~callback:(fun _ -> self#_saveToBackupFile ();true));
736 ignore (buffer#connect#modified_changed
737 (fun _ -> set_star buffer#modified))
739 val mutable statements = [] (** executed statements *)
741 val mutable history = [ initial_statuses default_buri ]
742 (** list of states before having executed statements. Head element of this
743 * list is the current state, last element is the state at the beginning of
745 * Invariant: this list length is 1 + length of statements *)
747 (** goal as seen by the user (i.e. metano corresponding to current tab) *)
748 val mutable userGoal = None
750 (** text mark and tag representing locked part of a script *)
752 buffer#create_mark ~name:"locked" ~left_gravity:true buffer#start_iter
753 val beginning_of_statement_mark =
754 buffer#create_mark ~name:"beginning_of_statement"
755 ~left_gravity:true buffer#start_iter
756 val locked_tag = buffer#create_tag [`BACKGROUND "lightblue"; `EDITABLE false]
757 val error_tag = buffer#create_tag [`UNDERLINE `SINGLE; `FOREGROUND "red"]
759 method locked_mark = locked_mark
760 method locked_tag = locked_tag
761 method error_tag = error_tag
763 (* history can't be empty, the invariant above grant that it contains at
764 * least the init grafite_status *)
765 method grafite_status = match history with (s,_)::_ -> s | _ -> assert false
766 method lexicon_status = match history with (_,ss)::_ -> ss | _ -> assert false
768 method private _advance ?statement () =
769 let s = match statement with Some s -> s | None -> self#getFuture in
770 if self#bos then LibraryClean.clean_baseuris [self#buri_of_current_file];
771 HLog.debug ("evaluating: " ^ first_line s ^ " ...");
772 let entries, newtext, parsed_len =
774 eval_statement self#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 =
903 | Some f -> Some (Librarian.absolutize f)
909 (match file with Some file -> read_include_paths file | None -> []);
911 Sys.chdir self#curdir;
912 HLog.debug ("Moving to " ^ Sys.getcwd ())
914 method saveToFile () =
915 if self#has_name then
916 let oc = open_out self#filename in
917 output_string oc (buffer#get_text ~start:buffer#start_iter
918 ~stop:buffer#end_iter ());
921 buffer#set_modified false
923 HLog.error "Can't save, no filename selected"
925 method private _saveToBackupFile () =
926 if buffer#modified then
928 let f = self#filename in
929 let oc = open_out f in
930 output_string oc (buffer#get_text ~start:buffer#start_iter
931 ~stop:buffer#end_iter ());
933 HLog.debug ("backup " ^ f ^ " saved")
936 method private goto_top =
937 let grafite_status,lexicon_status =
938 let rec last x = function
940 | hd::tl -> last hd tl
942 last (self#grafite_status,self#lexicon_status) history
944 (* FIXME: this is not correct since there is no undo for
945 * library_objects.set_default... *)
946 GrafiteSync.time_travel ~present:self#grafite_status ~past:grafite_status;
947 LexiconSync.time_travel ~present:self#lexicon_status ~past:lexicon_status
949 method private reset_buffer =
951 history <- [ initial_statuses self#buri_of_current_file ];
954 buffer#remove_tag locked_tag ~start:buffer#start_iter ~stop:buffer#end_iter;
955 buffer#move_mark (`MARK locked_mark) ~where:buffer#start_iter
959 source_buffer#begin_not_undoable_action ();
960 buffer#delete ~start:buffer#start_iter ~stop:buffer#end_iter;
961 source_buffer#end_not_undoable_action ();
962 buffer#set_modified false;
965 let template = HExtlib.input_file BuildTimeConf.script_template in
966 buffer#insert ~iter:(buffer#get_iter `START) template;
967 buffer#set_modified false;
970 method goto (pos: [`Top | `Bottom | `Cursor]) () =
972 let old_locked_mark =
974 (buffer#create_mark ~name:"old_locked_mark"
975 ~left_gravity:true (buffer#get_iter_at_mark (`MARK locked_mark))) in
976 let getpos _ = buffer#get_iter_at_mark (`MARK locked_mark) in
977 let getoldpos _ = buffer#get_iter_at_mark old_locked_mark in
978 let dispose_old_locked_mark () = buffer#delete_mark old_locked_mark in
981 dispose_old_locked_mark ();
989 let newpos = getpos () in
990 if (getoldpos ())#compare newpos < 0 then
992 buffer#move_mark old_locked_mark newpos;
997 dispose_old_locked_mark ();
1000 | Margin -> dispose_old_locked_mark (); self#notify
1001 | exc -> dispose_old_locked_mark (); self#notify; raise exc)
1003 let locked_iter () = buffer#get_iter_at_mark (`NAME "locked") in
1004 let cursor_iter () = buffer#get_iter_at_mark `INSERT in
1007 (buffer#create_mark ~name:"initial_insert"
1008 ~left_gravity:true (cursor_iter ())) in
1009 let dispose_remember () = buffer#delete_mark remember in
1010 let remember_iter () =
1011 buffer#get_iter_at_mark (`NAME "initial_insert") in
1012 let cmp () = (locked_iter ())#offset - (remember_iter ())#offset in
1013 let icmp = cmp () in
1014 let forward_until_cursor () = (* go forward until locked > cursor *)
1017 if cmp () < 0 && (getoldpos ())#compare (getpos ()) < 0
1020 buffer#move_mark old_locked_mark (getpos ());
1026 let rec back_until_cursor len = (* go backward until locked < cursor *)
1028 statements, ((grafite_status,lexicon_status)::_ as history)
1030 self#_retract (icmp - len) lexicon_status grafite_status statements
1032 | statement::tl1, _::tl2 ->
1033 back_until_cursor (len - MatitaGtkMisc.utf8_string_length statement) (tl1,tl2)
1034 | _,_ -> assert false
1038 if icmp < 0 then (* locked < cursor *)
1039 (forward_until_cursor (); self#notify)
1040 else if icmp > 0 then (* locked > cursor *)
1041 (back_until_cursor icmp (statements,history); self#notify)
1042 else (* cursor = locked *)
1045 dispose_remember ();
1046 dispose_old_locked_mark ();
1048 | Margin -> dispose_remember (); dispose_old_locked_mark (); self#notify
1049 | exc -> dispose_remember (); dispose_old_locked_mark ();
1050 self#notify; raise exc)
1051 with Invalid_argument "Array.make" ->
1052 HLog.error "The script is too big!\n"
1054 method onGoingProof () =
1055 match self#grafite_status.proof_status with
1056 | No_proof | Proof _ -> false
1057 | Incomplete_proof _ -> true
1058 | Intermediate _ -> assert false
1060 (* method proofStatus = MatitaTypes.get_proof_status self#status *)
1061 method proofMetasenv = GrafiteTypes.get_proof_metasenv self#grafite_status
1063 method proofContext =
1066 | Some n -> GrafiteTypes.get_proof_context self#grafite_status n
1068 method proofConclusion =
1070 None -> assert false
1072 GrafiteTypes.get_proof_conclusion self#grafite_status n
1074 method stack = GrafiteTypes.get_stack self#grafite_status
1075 method setGoal n = userGoal <- n
1076 method goal = userGoal
1084 let rec is_there_only_comments lexicon_status s =
1085 if Pcre.pmatch ~rex:only_dust_RE s then raise Margin;
1086 let lexicon_status,st =
1087 GrafiteParser.parse_statement (Ulexing.from_utf8_string s)
1088 ~include_paths:self#include_paths lexicon_status
1091 | GrafiteParser.LSome (GrafiteAst.Comment (loc,_)) ->
1092 let _,parsed_text_length = MatitaGtkMisc.utf8_parsed_text s loc in
1093 (* CSC: why +1 in the following lines ???? *)
1094 let parsed_text_length = parsed_text_length + 1 in
1095 let remain_len = String.length s - parsed_text_length in
1096 let next = String.sub s parsed_text_length remain_len in
1097 is_there_only_comments lexicon_status next
1098 | GrafiteParser.LNone _
1099 | GrafiteParser.LSome (GrafiteAst.Executable _) -> false
1102 is_there_only_comments self#lexicon_status self#getFuture
1104 | LexiconEngine.IncludedFileNotCompiled _
1105 | HExtlib.Localized _
1106 | CicNotationParser.Parse_error _ -> false
1107 | Margin | End_of_file -> true
1108 | Invalid_argument "Array.make" -> false
1112 HLog.debug "script status:";
1113 HLog.debug ("history size: " ^ string_of_int (List.length history));
1114 HLog.debug (sprintf "%d statements:" (List.length statements));
1115 List.iter HLog.debug statements;
1116 HLog.debug ("Current file name: " ^ self#filename);
1119 let _script = ref None
1121 let script ~source_view ~mathviewer ~urichooser ~ask_confirmation ~set_star ()
1124 ~source_view ~mathviewer ~ask_confirmation ~urichooser ~set_star ()
1129 let current () = match !_script with None -> assert false | Some s -> s