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))
121 let initial_lexicon_status =
122 CicNotation2.load_notation ~include_paths:[] BuildTimeConf.core_notation_script
127 LexiconSync.time_travel ~present:x ~past:initial_lexicon_status;
128 let rc = MatitacLib.Make.make root [tgt] in
130 CicNotation.reset ();
131 ignore(CicNotation2.load_notation ~include_paths:[]
132 BuildTimeConf.core_notation_script);
133 let x = List.fold_left (fun s c -> LexiconEngine.eval_command s c)
134 initial_lexicon_status (List.rev
135 x.LexiconEngine.lexicon_content_rev)
140 HLog.error ("Unexpected " ^ snd(MatitaExcPp.to_string exn));
143 if b then f ~include_paths x
144 else raise (Failure ("Compiling: " ^ tgt))
147 let pp_eager_statement_ast =
148 GrafiteAstPp.pp_statement ~term_pp:CicNotationPp.pp_term
149 ~lazy_term_pp:(fun _ -> assert false) ~obj_pp:(fun _ -> assert false)
151 (* naive implementation of procedural proof script generation,
152 * starting from an applicatiove *auto generated) proof.
153 * this is out of place, but I like it :-P *)
154 let cic2grafite context menv t =
155 (* indents a proof script in a stupid way, better than nothing *)
156 let stupid_indenter s =
158 let idx_square_o = try String.index s '[' with Not_found -> -1 in
159 let idx_square_c = try String.index s ']' with Not_found -> -1 in
160 let idx_pipe = try String.index s '|' with Not_found -> -1 in
162 List.sort (fun (i,_) (j,_) -> compare i j)
163 [idx_square_o,'[';idx_square_c,']';idx_pipe,'|']
165 let tok = List.filter (fun (i,_) -> i <> -1) tok in
167 | (i,c)::_ -> Some (i,c)
170 let break_apply n s =
171 let tab = String.make (n+1) ' ' in
172 Pcre.replace ~templ:(".\n" ^ tab ^ "apply") ~pat:"\\.apply" s
178 | Some (position, char) ->
181 String.sub s 0 position,
182 String.sub s (position+1) (String.length s - (position+1))
185 | '[' -> break_apply n s1 ^ "\n" ^ String.make (n+2) ' ' ^
187 | '|' -> break_apply n s1 ^ "\n" ^ String.make n ' ' ^
189 | ']' -> break_apply n s1 ^ "\n" ^ String.make n ' ' ^
193 Invalid_argument err ->
199 let module PT = CicNotationPt in
200 let module GA = GrafiteAst in
203 List.map (function Some (n,_) -> Some n | None -> None) context
207 let sort_of context t =
210 CicTypeChecker.type_of_aux' menv context t
211 CicUniv.oblivion_ugraph
213 let sort,_ = CicTypeChecker.type_of_aux' menv context ty
214 CicUniv.oblivion_ugraph
217 | Cic.Sort Cic.Prop -> true
220 CicTypeChecker.TypeCheckerFailure _ ->
221 HLog.error "auto proof to sript transformation error"; false
223 let floc = HExtlib.dummy_floc in
224 (* minimalisti cic.term -> pt.term *)
226 let rec aux c = function
230 | Cic.Const _ as t ->
231 PT.Ident (pp_t c t, None)
232 | Cic.Appl l -> PT.Appl (List.map (aux c) l)
233 | Cic.Implicit _ -> PT.Implicit
234 | Cic.Lambda (Cic.Name n, s, t) ->
235 PT.Binder (`Lambda, (PT.Ident (n,None), Some (aux c s)),
236 aux (Some (Cic.Name n, Cic.Decl s)::c) t)
237 | Cic.Prod (Cic.Name n, s, t) ->
238 PT.Binder (`Forall, (PT.Ident (n,None), Some (aux c s)),
239 aux (Some (Cic.Name n, Cic.Decl s)::c) t)
240 | Cic.LetIn (Cic.Name n, s, t) ->
241 PT.Binder (`Lambda, (PT.Ident (n,None), Some (aux c s)),
242 aux (Some (Cic.Name n, Cic.Def (s,None))::c) t)
243 | Cic.Meta _ -> PT.Implicit
244 | Cic.Sort (Cic.Type u) -> PT.Sort (`Type u)
245 | Cic.Sort Cic.Set -> PT.Sort `Set
246 | Cic.Sort Cic.CProp -> PT.Sort `CProp
247 | Cic.Sort Cic.Prop -> PT.Sort `Prop
248 | _ as t -> PT.Ident ("ERROR: "^CicPp.ppterm t, None)
252 (* prints an applicative proof, that is an auto proof.
253 * don't use in the general case! *)
254 let rec print_proof context = function
256 | Cic.Const _ as t ->
257 [GA.Executable (floc,
259 Some (GA.Apply (floc, print_term context t)), GA.Dot floc))]
260 | Cic.Appl (he::tl) ->
261 let tl = List.map (fun t -> t, sort_of context t) tl in
263 HExtlib.filter_map (function (t,true) -> Some t | _ -> None) tl
266 List.map (function | (t,true) -> Cic.Implicit None | (t,_) -> t) tl
268 if List.length subgoals > 1 then
270 [GA.Executable (floc,
272 Some (GA.Apply (floc, print_term context (Cic.Appl (he::args)))),
273 GA.Semicolon floc))] @
274 [GA.Executable (floc, GA.Tactic (floc, None, GA.Branch floc))] @
276 ~sep:[GA.Executable (floc, GA.Tactic (floc, None,GA.Shift floc))]
277 (List.map (print_proof context) subgoals)) @
278 [GA.Executable (floc, GA.Tactic (floc, None,GA.Merge floc))]
281 [GA.Executable (floc,
284 (floc, print_term context (Cic.Appl (he::args)) )), GA.Dot floc))]
288 | [x] -> print_proof context x
290 | Cic.Lambda (Cic.Name n, ty, bo) ->
291 [GA.Executable (floc,
293 Some (GA.Cut (floc, Some n, (print_term context ty))),
295 (print_proof (Some (Cic.Name n, Cic.Decl ty)::context) bo) @
296 [GA.Executable (floc, GA.Tactic (floc, None,GA.Shift floc))] @
297 [GA.Executable (floc, GA.Tactic (floc,
298 Some (GA.Assumption floc),GA.Merge floc))]
301 debug_print (lazy (CicPp.ppterm t));
305 (* performs a lambda closure of the proof term abstracting metas.
306 * this is really an approximation of a closure, local subst of metas
307 * is not kept into account *)
308 let close_pt menv context t =
309 let metas = CicUtil.metas_of_term t in
311 HExtlib.list_uniq ~eq:(fun (i,_) (j,_) -> i = j)
312 (List.sort (fun (i,_) (j,_) -> compare i j) metas)
314 let mk_rels_and_collapse_metas metas =
315 let rec aux i map acc acc1 = function
316 | [] -> acc, acc1, map
318 let _,_,ty = CicUtil.lookup_meta j menv in
320 let n = List.assoc ty map in
321 aux i map (Cic.Rel n :: acc) (m::acc1) tl
323 let map = (ty, i)::map in
324 aux (i+1) map (Cic.Rel i :: acc) (m::acc1) tl
328 let rels, metas, map = mk_rels_and_collapse_metas metas in
329 let n_lambdas = List.length map in
335 ProofEngineReduction.replace_lifting
336 ~what:(List.map (fun (x,_) -> Cic.Meta (x,[])) metas)
339 ~equality:(fun _ x y ->
341 | Cic.Meta(i,_), Cic.Meta(j,_) when i=j -> true
343 ~where:(CicSubstitution.lift n_lambdas t)
345 let rec mk_lam = function
348 let name = "fresh_"^ string_of_int n in
349 Cic.Lambda (Cic.Name name, ty, mk_lam tl)
353 (fun (l,liftno) (ty,_) ->
354 (l @ [CicSubstitution.lift liftno ty,liftno] , liftno+1))
359 let ast = print_proof context (close_pt menv context t) in
361 (* ZACK: setting width to 80 will trigger a bug of BoxPp.render_to_string
362 * which will show up using the following command line:
363 * ./tptp2grafite -tptppath ~tassi/TPTP-v3.1.1 GRP170-1 *)
364 let width = max_int in
365 let term_pp content_term =
366 let pres_term = TermContentPres.pp_ast content_term in
367 let dummy_tbl = Hashtbl.create 1 in
368 let markup = CicNotationPres.render dummy_tbl pres_term in
369 let s = "(" ^ BoxPp.render_to_string
370 ~map_unicode_to_tex:(Helm_registry.get_bool
371 "matita.paste_unicode_as_tex")
372 List.hd width markup ^ ")" in
374 ~pat:"\\\\forall [Ha-z][a-z0-9_]*" ~subst:(fun x -> "\n" ^ x) s
376 CicNotationPp.set_pp_term term_pp;
377 let lazy_term_pp = fun x -> assert false in
378 let obj_pp = CicNotationPp.pp_obj CicNotationPp.pp_term in
379 GrafiteAstPp.pp_statement
380 ~map_unicode_to_tex:(Helm_registry.get_bool
381 "matita.paste_unicode_as_tex")
382 ~term_pp ~lazy_term_pp ~obj_pp t
384 let script = String.concat "" (List.map pp ast) in
385 prerr_endline script;
386 stupid_indenter script
389 let rec eval_macro include_paths (buffer : GText.buffer) guistuff lexicon_status grafite_status user_goal unparsed_text parsed_text script mac =
390 let module TAPp = GrafiteAstPp in
391 let module MQ = MetadataQuery in
392 let module MDB = LibraryDb in
393 let module CTC = CicTypeChecker in
394 let module CU = CicUniv in
395 (* no idea why ocaml wants this *)
396 let parsed_text_length = String.length parsed_text in
397 let dbd = LibraryDb.instance () in
399 let f t = ProofEngineReduction.replace
400 ~equality:(fun _ t -> match t with Cic.Meta _ -> true | _ -> false)
401 ~what:[()] ~with_what:[Cic.Implicit None] ~where:t
403 let metasenv = GrafiteTypes.get_proof_metasenv grafite_status in
406 ApplyTransformation.txt_of_cic_term max_int metasenv [] (f x)
407 ~map_unicode_to_tex:(Helm_registry.get_bool
408 "matita.paste_unicode_as_tex"))
412 | TA.WMatch (loc, term) ->
413 let l = Whelp.match_term ~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.WInstance (loc, term) ->
418 let l = Whelp.instance ~dbd term 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.WLocate (loc, s) ->
423 let l = Whelp.locate ~dbd s in
424 let entry = `Whelp (pp_macro mac, l) in
425 guistuff.mathviewer#show_uri_list ~reuse:true ~entry l;
426 [], "", parsed_text_length
427 | TA.WElim (loc, term) ->
430 | Cic.MutInd (uri,n,_) -> UriManager.uri_of_uriref uri n None
431 | _ -> failwith "Not a MutInd"
433 let l = Whelp.elim ~dbd uri in
434 let entry = `Whelp (pp_macro mac, l) in
435 guistuff.mathviewer#show_uri_list ~reuse:true ~entry l;
436 [], "", parsed_text_length
437 | TA.WHint (loc, term) ->
439 let s = ((None,[0,[],term], _subst, Cic.Meta (0,[]) ,term, []),0) in
440 let l = List.map fst (MQ.experimental_hint ~dbd s) in
441 let entry = `Whelp (pp_macro mac, l) in
442 guistuff.mathviewer#show_uri_list ~reuse:true ~entry l;
443 [], "", parsed_text_length
445 | TA.Hint (loc, rewrite) ->
449 | None -> raise NoUnfinishedProof
451 let proof = GrafiteTypes.get_current_proof grafite_status in
452 let proof_status = proof,user_goal' in
454 let l = MQ.equations_for_goal ~dbd proof_status in
455 let l = List.filter (fun u -> not (LibraryObjects.in_eq_URIs u)) l in
456 let entry = `Whelp (pp_macro (TA.WHint(loc, Cic.Implicit None)), l) in
457 guistuff.mathviewer#show_uri_list ~reuse:true ~entry l;
458 [], "", parsed_text_length
460 let l = List.map fst (MQ.experimental_hint ~dbd proof_status) in
461 let selected = guistuff.urichooser l in
463 | [] -> [], "", parsed_text_length
465 let suri = UriManager.string_of_uri uri in
467 TA.Executable (loc, (TA.Tactic (loc,
468 Some (TA.Apply (loc, CicNotationPt.Uri (suri, None))),
471 comment parsed_text ^ "\n" ^
472 pp_eager_statement_ast (ast HExtlib.dummy_floc)
473 ~map_unicode_to_tex:(Helm_registry.get_bool
474 "matita.paste_unicode_as_tex")
476 let text_len = MatitaGtkMisc.utf8_string_length text in
477 let loc = HExtlib.floc_of_loc (0,text_len) in
478 let statement = `Ast (GrafiteParser.LSome (ast loc),text) in
479 let res,_,_parsed_text_len =
480 eval_statement include_paths buffer guistuff lexicon_status
481 grafite_status user_goal script statement
483 (* we need to replace all the parsed_text *)
484 res,"",String.length parsed_text
487 "The result of the urichooser should be only 1 uri, not:\n";
489 fun u -> HLog.error (UriManager.string_of_uri u ^ "\n")
492 | TA.Check (_,term) ->
493 let metasenv = GrafiteTypes.get_proof_metasenv grafite_status in
497 | Some n -> GrafiteTypes.get_proof_context grafite_status n in
498 let ty,_ = CTC.type_of_aux' metasenv context term CicUniv.empty_ugraph in
499 let t_and_ty = Cic.Cast (term,ty) in
500 guistuff.mathviewer#show_entry (`Cic (t_and_ty,metasenv));
501 [], "", parsed_text_length
502 | TA.AutoInteractive (_, params) ->
506 | None -> raise NoUnfinishedProof
508 let proof = GrafiteTypes.get_current_proof grafite_status in
509 let proof_status = proof,user_goal' in
511 let _,menv,_,_,_,_ = proof in
512 let i,cc,ty = CicUtil.lookup_meta user_goal' menv in
513 let timestamp = Unix.gettimeofday () in
514 let (_,menv,subst,_,_,_), _ =
515 ProofEngineTypes.apply_tactic
516 (Auto.auto_tac ~dbd ~params
517 ~universe:grafite_status.GrafiteTypes.universe) proof_status
521 CicMkImplicit.identity_relocation_list_for_metavariable cc
523 CicMetaSubst.apply_subst subst (Cic.Meta (i,irl))
525 let time = Unix.gettimeofday () -. timestamp in
526 let size, depth = Auto.size_and_depth cc menv proof_term in
529 "\n(* end auto(%s) proof: TIME=%4.2f SIZE=%d DEPTH=%d *)"
530 Auto.revision time size depth
533 if List.exists (fun (s,_) -> s = "paramodulation") params then
534 let proof_term, how_many_lambdas =
535 Auto.lambda_close ~prefix_name:"orrible_hack_"
539 CicTypeChecker.type_of_aux'
540 menv [] proof_term CicUniv.empty_ugraph
542 prerr_endline (CicPp.ppterm proof_term);
543 (* use declarative output *)
545 (* il proof_term vive in cc, devo metterci i lambda no? *)
546 (Cic.CurrentProof ("xxx",menv,proof_term,ty,[],[]))
548 ApplyTransformation.txt_of_cic_object
549 ~map_unicode_to_tex:(Helm_registry.get_bool
550 "matita.paste_unicode_as_tex")
551 ~skip_thm_and_qed:true
552 ~skip_initial_lambdas:how_many_lambdas
553 80 GrafiteAst.Declarative "" obj
556 (* use cic2grafite *)
557 cic2grafite cc menv proof_term
559 (* alternative using FG stuff *)
560 let proof_term, how_many_lambdas =
561 Auto.lambda_close ~prefix_name:"orrible_hack_"
565 CicTypeChecker.type_of_aux'
566 menv [] proof_term CicUniv.empty_ugraph
569 Cic.Constant ("",Some proof_term, ty, [], [`Flavour `Lemma])
571 Pcre.qreplace ~templ:"?" ~pat:"orrible_hack_[0-9]+"
573 (ApplyTransformation.txt_of_cic_object
574 ~map_unicode_to_tex:(Helm_registry.get_bool
575 "matita.paste_unicode_as_tex")
576 ~skip_thm_and_qed:true
577 ~skip_initial_lambdas:how_many_lambdas
578 80 (GrafiteAst.Procedural None) "" obj))
580 let text = comment parsed_text ^ "\n" ^ proof_script ^ trailer in
581 [],text,parsed_text_length
583 ProofEngineTypes.Fail _ as exn ->
585 (* [], comment parsed_text ^ "\nfail.\n", parsed_text_length *))
586 | TA.Inline (_,style,suri,prefix) ->
588 ApplyTransformation.txt_of_inline_macro
589 ~map_unicode_to_tex:(Helm_registry.get_bool
590 "matita.paste_unicode_as_tex")
593 [], str, String.length parsed_text
595 and eval_executable include_paths (buffer : GText.buffer) guistuff
596 lexicon_status grafite_status user_goal unparsed_text skipped_txt nonskipped_txt
599 let module TAPp = GrafiteAstPp in
600 let module MD = GrafiteDisambiguator in
601 let module ML = MatitaMisc in
603 ignore (buffer#move_mark (`NAME "beginning_of_statement")
604 ~where:((buffer#get_iter_at_mark (`NAME "locked"))#forward_chars
605 (Glib.Utf8.length skipped_txt))) ;
606 eval_with_engine include_paths
607 guistuff lexicon_status grafite_status user_goal skipped_txt nonskipped_txt
608 (TA.Executable (loc, ex))
610 MatitaTypes.Cancel -> [], "", 0
611 | GrafiteEngine.Macro (_loc,lazy_macro) ->
615 | Some n -> GrafiteTypes.get_proof_context grafite_status n in
616 let grafite_status,macro = lazy_macro context in
617 eval_macro include_paths buffer guistuff lexicon_status grafite_status
618 user_goal unparsed_text (skipped_txt ^ nonskipped_txt) script macro
620 and eval_statement include_paths (buffer : GText.buffer) guistuff lexicon_status
621 grafite_status user_goal script statement
623 let (lexicon_status,st), unparsed_text =
626 if Pcre.pmatch ~rex:only_dust_RE text then raise Margin;
628 wrap_with_make include_paths
629 (GrafiteParser.parse_statement (Ulexing.from_utf8_string text)) lexicon_status
632 | `Ast (st, text) -> (lexicon_status, st), text
634 let text_of_loc floc =
635 let nonskipped_txt,_ = MatitaGtkMisc.utf8_parsed_text unparsed_text floc in
636 let start, stop = HExtlib.loc_of_floc floc in
637 let floc = HExtlib.floc_of_loc (0, start) in
638 let skipped_txt,_ = MatitaGtkMisc.utf8_parsed_text unparsed_text floc in
639 let floc = HExtlib.floc_of_loc (0, stop) in
640 let txt,len = MatitaGtkMisc.utf8_parsed_text unparsed_text floc in
641 txt,nonskipped_txt,skipped_txt,len
644 | GrafiteParser.LNone loc ->
645 let parsed_text, _, _, parsed_text_length = text_of_loc loc in
646 [(grafite_status,lexicon_status),parsed_text],"",
648 | GrafiteParser.LSome (GrafiteAst.Comment (loc, _)) ->
649 let parsed_text, _, _, parsed_text_length = text_of_loc loc in
650 let remain_len = String.length unparsed_text - parsed_text_length in
651 let s = String.sub unparsed_text parsed_text_length remain_len in
654 eval_statement include_paths buffer guistuff lexicon_status
655 grafite_status user_goal script (`Raw s)
657 HExtlib.Localized (floc, exn) ->
658 HExtlib.raise_localized_exception
659 ~offset:(MatitaGtkMisc.utf8_string_length parsed_text) floc exn
660 | GrafiteDisambiguator.DisambiguationError (offset,errorll) ->
662 (GrafiteDisambiguator.DisambiguationError
663 (offset+parsed_text_length, errorll))
665 assert (text=""); (* no macros inside comments, please! *)
667 | (statuses,text)::tl ->
668 (statuses,parsed_text ^ text)::tl,"",parsed_text_length + len
670 | GrafiteParser.LSome (GrafiteAst.Executable (loc, ex)) ->
671 let _, nonskipped, skipped, parsed_text_length =
674 eval_executable include_paths buffer guistuff lexicon_status
675 grafite_status user_goal unparsed_text skipped nonskipped script ex loc
677 let fresh_script_id =
681 class script ~(source_view: GSourceView.source_view)
682 ~(mathviewer: MatitaTypes.mathViewer)
687 let buffer = source_view#buffer in
688 let source_buffer = source_view#source_buffer in
689 let initial_statuses baseuri =
691 CicNotation2.load_notation ~include_paths:[]
692 BuildTimeConf.core_notation_script
694 let grafite_status = GrafiteSync.init baseuri in
695 grafite_status,lexicon_status
697 let read_include_paths file =
699 let root, _buri, _fname, _tgt =
700 Librarian.baseuri_of_script ~include_paths:[] file
703 Str.split (Str.regexp " ")
704 (List.assoc "include_paths" (Librarian.load_root_file (root^"/root")))
706 List.iter (HLog.debug) rc; rc
707 with Librarian.NoRootFor _ | Not_found -> []
709 let default_buri = "cic:/matita/tests" in
710 let default_fname = ".unnamed.ma" in
712 val mutable include_paths_ = []
714 val scriptId = fresh_script_id ()
717 mathviewer = mathviewer;
718 urichooser = urichooser;
719 ask_confirmation = ask_confirmation;
722 val mutable filename_ = (None : string option)
724 method has_name = filename_ <> None
726 method include_paths =
728 Helm_registry.get_list Helm_registry.string "matita.includes"
730 method private curdir =
732 let root, _buri, _fname, _tgt =
733 Librarian.baseuri_of_script ~include_paths:self#include_paths
737 with Librarian.NoRootFor _ -> Sys.getcwd ()
739 method buri_of_current_file =
741 | None -> default_buri
744 let _root, buri, _fname, _tgt =
745 Librarian.baseuri_of_script ~include_paths:self#include_paths f
748 with Librarian.NoRootFor _ -> default_buri
750 method filename = match filename_ with None -> default_fname | Some f -> f
753 ignore (GMain.Timeout.add ~ms:300000
754 ~callback:(fun _ -> self#_saveToBackupFile ();true));
755 ignore (buffer#connect#modified_changed
756 (fun _ -> set_star buffer#modified))
758 val mutable statements = [] (** executed statements *)
760 val mutable history = [ initial_statuses default_buri ]
761 (** list of states before having executed statements. Head element of this
762 * list is the current state, last element is the state at the beginning of
764 * Invariant: this list length is 1 + length of statements *)
766 (** goal as seen by the user (i.e. metano corresponding to current tab) *)
767 val mutable userGoal = None
769 (** text mark and tag representing locked part of a script *)
771 buffer#create_mark ~name:"locked" ~left_gravity:true buffer#start_iter
772 val beginning_of_statement_mark =
773 buffer#create_mark ~name:"beginning_of_statement"
774 ~left_gravity:true buffer#start_iter
775 val locked_tag = buffer#create_tag [`BACKGROUND "lightblue"; `EDITABLE false]
776 val error_tag = buffer#create_tag [`UNDERLINE `SINGLE; `FOREGROUND "red"]
778 method locked_mark = locked_mark
779 method locked_tag = locked_tag
780 method error_tag = error_tag
782 (* history can't be empty, the invariant above grant that it contains at
783 * least the init grafite_status *)
784 method grafite_status = match history with (s,_)::_ -> s | _ -> assert false
785 method lexicon_status = match history with (_,ss)::_ -> ss | _ -> assert false
787 method private _advance ?statement () =
788 let s = match statement with Some s -> s | None -> self#getFuture in
789 if self#bos then LibraryClean.clean_baseuris [self#buri_of_current_file];
790 HLog.debug ("evaluating: " ^ first_line s ^ " ...");
791 let entries, newtext, parsed_len =
793 eval_statement self#include_paths buffer guistuff self#lexicon_status
794 self#grafite_status userGoal self (`Raw s)
795 with End_of_file -> raise Margin
797 let new_statuses, new_statements =
798 let statuses, texts = List.split entries in
801 history <- new_statuses @ history;
802 statements <- new_statements @ statements;
803 let start = buffer#get_iter_at_mark (`MARK locked_mark) in
804 let new_text = String.concat "" (List.rev new_statements) in
805 if statement <> None then
806 buffer#insert ~iter:start new_text
808 let parsed_text = String.sub s 0 parsed_len in
809 if new_text <> parsed_text then begin
810 let stop = start#copy#forward_chars (Glib.Utf8.length parsed_text) in
811 buffer#delete ~start ~stop;
812 buffer#insert ~iter:start new_text;
815 self#moveMark (Glib.Utf8.length new_text);
816 buffer#insert ~iter:(buffer#get_iter_at_mark (`MARK locked_mark)) newtext;
817 (* here we need to set the Goal in case we are going to cursor (or to
818 bottom) and we will face a macro *)
819 match self#grafite_status.proof_status with
820 Incomplete_proof p ->
822 (try Some (Continuationals.Stack.find_goal p.stack)
823 with Failure _ -> None)
824 | _ -> userGoal <- None
826 method private _retract offset lexicon_status grafite_status new_statements
829 let cur_grafite_status,cur_lexicon_status =
830 match history with s::_ -> s | [] -> assert false
832 LexiconSync.time_travel ~present:cur_lexicon_status ~past:lexicon_status;
833 GrafiteSync.time_travel ~present:cur_grafite_status ~past:grafite_status;
834 statements <- new_statements;
835 history <- new_history;
836 self#moveMark (- offset)
838 method advance ?statement () =
840 self#_advance ?statement ();
843 | Margin -> self#notify
844 | Not_found -> assert false
845 | Invalid_argument "Array.make" -> HLog.error "The script is too big!\n"
846 | exc -> self#notify; raise exc
850 let cmp,new_statements,new_history,(grafite_status,lexicon_status) =
851 match statements,history with
852 stat::statements, _::(status::_ as history) ->
853 assert (Glib.Utf8.validate stat);
854 Glib.Utf8.length stat, statements, history, status
855 | [],[_] -> raise Margin
856 | _,_ -> assert false
858 self#_retract cmp lexicon_status grafite_status new_statements
862 | Margin -> self#notify
863 | Invalid_argument "Array.make" -> HLog.error "The script is too big!\n"
864 | exc -> self#notify; raise exc
866 method private getFuture =
867 buffer#get_text ~start:(buffer#get_iter_at_mark (`MARK locked_mark))
868 ~stop:buffer#end_iter ()
871 (** @param rel_offset relative offset from current position of locked_mark *)
872 method private moveMark rel_offset =
873 let mark = `MARK locked_mark in
874 let old_insert = buffer#get_iter_at_mark `INSERT in
875 buffer#remove_tag locked_tag ~start:buffer#start_iter ~stop:buffer#end_iter;
876 let current_mark_pos = buffer#get_iter_at_mark mark in
878 match rel_offset with
879 | 0 -> current_mark_pos
880 | n when n > 0 -> current_mark_pos#forward_chars n
881 | n (* when n < 0 *) -> current_mark_pos#backward_chars (abs n)
883 buffer#move_mark mark ~where:new_mark_pos;
884 buffer#apply_tag locked_tag ~start:buffer#start_iter ~stop:new_mark_pos;
885 buffer#move_mark `INSERT old_insert;
886 let mark_position = buffer#get_iter_at_mark mark in
887 if source_view#move_mark_onscreen mark then
889 buffer#move_mark mark mark_position;
890 source_view#scroll_to_mark ~use_align:true ~xalign:1.0 ~yalign:0.1 mark;
892 while Glib.Main.pending () do ignore(Glib.Main.iteration false); done
894 method clean_dirty_lock =
895 let lock_mark_iter = buffer#get_iter_at_mark (`MARK locked_mark) in
896 buffer#remove_tag locked_tag ~start:buffer#start_iter ~stop:buffer#end_iter;
897 buffer#apply_tag locked_tag ~start:buffer#start_iter ~stop:lock_mark_iter
899 val mutable observers = []
901 method addObserver (o: LexiconEngine.status -> GrafiteTypes.status -> unit) =
902 observers <- o :: observers
904 method private notify =
905 let lexicon_status = self#lexicon_status in
906 let grafite_status = self#grafite_status in
907 List.iter (fun o -> o lexicon_status grafite_status) observers
909 method loadFromString s =
912 buffer#set_modified true
914 method loadFromFile f =
915 buffer#set_text (HExtlib.input_file f);
917 buffer#set_modified false
919 method assignFileName file =
922 | Some f -> Some (Librarian.absolutize f)
928 (match file with Some file -> read_include_paths file | None -> []);
930 Sys.chdir self#curdir;
931 HLog.debug ("Moving to " ^ Sys.getcwd ())
933 method saveToFile () =
934 if self#has_name then
935 let oc = open_out self#filename in
936 output_string oc (buffer#get_text ~start:buffer#start_iter
937 ~stop:buffer#end_iter ());
940 buffer#set_modified false
942 HLog.error "Can't save, no filename selected"
944 method private _saveToBackupFile () =
945 if buffer#modified then
947 let f = self#filename in
948 let oc = open_out f in
949 output_string oc (buffer#get_text ~start:buffer#start_iter
950 ~stop:buffer#end_iter ());
952 HLog.debug ("backup " ^ f ^ " saved")
955 method private goto_top =
956 let grafite_status,lexicon_status =
957 let rec last x = function
959 | hd::tl -> last hd tl
961 last (self#grafite_status,self#lexicon_status) history
963 (* FIXME: this is not correct since there is no undo for
964 * library_objects.set_default... *)
965 GrafiteSync.time_travel ~present:self#grafite_status ~past:grafite_status;
966 LexiconSync.time_travel ~present:self#lexicon_status ~past:lexicon_status
968 method private reset_buffer =
970 history <- [ initial_statuses self#buri_of_current_file ];
973 buffer#remove_tag locked_tag ~start:buffer#start_iter ~stop:buffer#end_iter;
974 buffer#move_mark (`MARK locked_mark) ~where:buffer#start_iter
978 source_buffer#begin_not_undoable_action ();
979 buffer#delete ~start:buffer#start_iter ~stop:buffer#end_iter;
980 source_buffer#end_not_undoable_action ();
981 buffer#set_modified false;
984 let template = HExtlib.input_file BuildTimeConf.script_template in
985 buffer#insert ~iter:(buffer#get_iter `START) template;
986 buffer#set_modified false;
989 method goto (pos: [`Top | `Bottom | `Cursor]) () =
991 let old_locked_mark =
993 (buffer#create_mark ~name:"old_locked_mark"
994 ~left_gravity:true (buffer#get_iter_at_mark (`MARK locked_mark))) in
995 let getpos _ = buffer#get_iter_at_mark (`MARK locked_mark) in
996 let getoldpos _ = buffer#get_iter_at_mark old_locked_mark in
997 let dispose_old_locked_mark () = buffer#delete_mark old_locked_mark in
1000 dispose_old_locked_mark ();
1006 let rec dowhile () =
1008 let newpos = getpos () in
1009 if (getoldpos ())#compare newpos < 0 then
1011 buffer#move_mark old_locked_mark newpos;
1016 dispose_old_locked_mark ();
1019 | Margin -> dispose_old_locked_mark (); self#notify
1020 | exc -> dispose_old_locked_mark (); self#notify; raise exc)
1022 let locked_iter () = buffer#get_iter_at_mark (`NAME "locked") in
1023 let cursor_iter () = buffer#get_iter_at_mark `INSERT in
1026 (buffer#create_mark ~name:"initial_insert"
1027 ~left_gravity:true (cursor_iter ())) in
1028 let dispose_remember () = buffer#delete_mark remember in
1029 let remember_iter () =
1030 buffer#get_iter_at_mark (`NAME "initial_insert") in
1031 let cmp () = (locked_iter ())#offset - (remember_iter ())#offset in
1032 let icmp = cmp () in
1033 let forward_until_cursor () = (* go forward until locked > cursor *)
1036 if cmp () < 0 && (getoldpos ())#compare (getpos ()) < 0
1039 buffer#move_mark old_locked_mark (getpos ());
1045 let rec back_until_cursor len = (* go backward until locked < cursor *)
1047 statements, ((grafite_status,lexicon_status)::_ as history)
1049 self#_retract (icmp - len) lexicon_status grafite_status statements
1051 | statement::tl1, _::tl2 ->
1052 back_until_cursor (len - MatitaGtkMisc.utf8_string_length statement) (tl1,tl2)
1053 | _,_ -> assert false
1057 if icmp < 0 then (* locked < cursor *)
1058 (forward_until_cursor (); self#notify)
1059 else if icmp > 0 then (* locked > cursor *)
1060 (back_until_cursor icmp (statements,history); self#notify)
1061 else (* cursor = locked *)
1064 dispose_remember ();
1065 dispose_old_locked_mark ();
1067 | Margin -> dispose_remember (); dispose_old_locked_mark (); self#notify
1068 | exc -> dispose_remember (); dispose_old_locked_mark ();
1069 self#notify; raise exc)
1070 with Invalid_argument "Array.make" ->
1071 HLog.error "The script is too big!\n"
1073 method onGoingProof () =
1074 match self#grafite_status.proof_status with
1075 | No_proof | Proof _ -> false
1076 | Incomplete_proof _ -> true
1077 | Intermediate _ -> assert false
1079 (* method proofStatus = MatitaTypes.get_proof_status self#status *)
1080 method proofMetasenv = GrafiteTypes.get_proof_metasenv self#grafite_status
1082 method proofContext =
1085 | Some n -> GrafiteTypes.get_proof_context self#grafite_status n
1087 method proofConclusion =
1089 None -> assert false
1091 GrafiteTypes.get_proof_conclusion self#grafite_status n
1093 method stack = GrafiteTypes.get_stack self#grafite_status
1094 method setGoal n = userGoal <- n
1095 method goal = userGoal
1103 let rec is_there_only_comments lexicon_status s =
1104 if Pcre.pmatch ~rex:only_dust_RE s then raise Margin;
1105 let lexicon_status,st =
1106 GrafiteParser.parse_statement (Ulexing.from_utf8_string s)
1107 ~include_paths:self#include_paths lexicon_status
1110 | GrafiteParser.LSome (GrafiteAst.Comment (loc,_)) ->
1111 let _,parsed_text_length = MatitaGtkMisc.utf8_parsed_text s loc in
1112 (* CSC: why +1 in the following lines ???? *)
1113 let parsed_text_length = parsed_text_length + 1 in
1114 prerr_endline ("## " ^ string_of_int parsed_text_length);
1115 let remain_len = String.length s - parsed_text_length in
1116 let next = String.sub s parsed_text_length remain_len in
1117 is_there_only_comments lexicon_status next
1118 | GrafiteParser.LNone _
1119 | GrafiteParser.LSome (GrafiteAst.Executable _) -> false
1122 is_there_only_comments self#lexicon_status self#getFuture
1124 | LexiconEngine.IncludedFileNotCompiled _
1125 | HExtlib.Localized _
1126 | CicNotationParser.Parse_error _ -> false
1127 | Margin | End_of_file -> true
1128 | Invalid_argument "Array.make" -> false
1132 HLog.debug "script status:";
1133 HLog.debug ("history size: " ^ string_of_int (List.length history));
1134 HLog.debug (sprintf "%d statements:" (List.length statements));
1135 List.iter HLog.debug statements;
1136 HLog.debug ("Current file name: " ^ self#filename);
1139 let _script = ref None
1141 let script ~source_view ~mathviewer ~urichooser ~ask_confirmation ~set_star ()
1144 ~source_view ~mathviewer ~ask_confirmation ~urichooser ~set_star ()
1149 let current () = match !_script with None -> assert false | Some s -> s