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));
144 try f ~include_paths x with LexiconEngine.IncludedFileNotCompiled _ ->
146 (Failure ("Including: "^tgt^
147 "\nNothing to do... did you run matitadep?"))
148 else raise (Failure ("Compiling: " ^ tgt))
151 let pp_eager_statement_ast =
152 GrafiteAstPp.pp_statement ~term_pp:CicNotationPp.pp_term
153 ~lazy_term_pp:(fun _ -> assert false) ~obj_pp:(fun _ -> assert false)
155 (* naive implementation of procedural proof script generation,
156 * starting from an applicatiove *auto generated) proof.
157 * this is out of place, but I like it :-P *)
158 let cic2grafite context menv t =
159 (* indents a proof script in a stupid way, better than nothing *)
160 let stupid_indenter s =
162 let idx_square_o = try String.index s '[' with Not_found -> -1 in
163 let idx_square_c = try String.index s ']' with Not_found -> -1 in
164 let idx_pipe = try String.index s '|' with Not_found -> -1 in
166 List.sort (fun (i,_) (j,_) -> compare i j)
167 [idx_square_o,'[';idx_square_c,']';idx_pipe,'|']
169 let tok = List.filter (fun (i,_) -> i <> -1) tok in
171 | (i,c)::_ -> Some (i,c)
174 let break_apply n s =
175 let tab = String.make (n+1) ' ' in
176 Pcre.replace ~templ:(".\n" ^ tab ^ "apply") ~pat:"\\.apply" s
182 | Some (position, char) ->
185 String.sub s 0 position,
186 String.sub s (position+1) (String.length s - (position+1))
189 | '[' -> break_apply n s1 ^ "\n" ^ String.make (n+2) ' ' ^
191 | '|' -> break_apply n s1 ^ "\n" ^ String.make n ' ' ^
193 | ']' -> break_apply n s1 ^ "\n" ^ String.make n ' ' ^
197 Invalid_argument err ->
203 let module PT = CicNotationPt in
204 let module GA = GrafiteAst in
207 List.map (function Some (n,_) -> Some n | None -> None) context
211 let sort_of context t =
214 CicTypeChecker.type_of_aux' menv context t
215 CicUniv.oblivion_ugraph
217 let sort,_ = CicTypeChecker.type_of_aux' menv context ty
218 CicUniv.oblivion_ugraph
221 | Cic.Sort Cic.Prop -> true
224 CicTypeChecker.TypeCheckerFailure _ ->
225 HLog.error "auto proof to sript transformation error"; false
227 let floc = HExtlib.dummy_floc in
228 (* minimalisti cic.term -> pt.term *)
230 let rec aux c = function
234 | Cic.Const _ as t ->
235 PT.Ident (pp_t c t, None)
236 | Cic.Appl l -> PT.Appl (List.map (aux c) l)
237 | Cic.Implicit _ -> PT.Implicit
238 | Cic.Lambda (Cic.Name n, s, t) ->
239 PT.Binder (`Lambda, (PT.Ident (n,None), Some (aux c s)),
240 aux (Some (Cic.Name n, Cic.Decl s)::c) t)
241 | Cic.Prod (Cic.Name n, s, t) ->
242 PT.Binder (`Forall, (PT.Ident (n,None), Some (aux c s)),
243 aux (Some (Cic.Name n, Cic.Decl s)::c) t)
244 | Cic.LetIn (Cic.Name n, s, ty, t) ->
245 PT.Binder (`Lambda, (PT.Ident (n,None), Some (aux c s)),
246 aux (Some (Cic.Name n, Cic.Def (s,ty))::c) t)
247 | Cic.Meta _ -> PT.Implicit
248 | Cic.Sort (Cic.Type u) -> PT.Sort (`Type u)
249 | Cic.Sort Cic.Set -> PT.Sort `Set
250 | Cic.Sort (Cic.CProp u) -> PT.Sort (`CProp u)
251 | Cic.Sort Cic.Prop -> PT.Sort `Prop
252 | _ as t -> PT.Ident ("ERROR: "^CicPp.ppterm t, None)
256 (* prints an applicative proof, that is an auto proof.
257 * don't use in the general case! *)
258 let rec print_proof context = function
260 | Cic.Const _ as t ->
261 [GA.Executable (floc,
263 Some (GA.Apply (floc, print_term context t)), GA.Dot floc))]
264 | Cic.Appl (he::tl) ->
265 let tl = List.map (fun t -> t, sort_of context t) tl in
267 HExtlib.filter_map (function (t,true) -> Some t | _ -> None) tl
270 List.map (function | (t,true) -> Cic.Implicit None | (t,_) -> t) tl
272 if List.length subgoals > 1 then
274 [GA.Executable (floc,
276 Some (GA.Apply (floc, print_term context (Cic.Appl (he::args)))),
277 GA.Semicolon floc))] @
278 [GA.Executable (floc, GA.Tactic (floc, None, GA.Branch floc))] @
280 ~sep:[GA.Executable (floc, GA.Tactic (floc, None,GA.Shift floc))]
281 (List.map (print_proof context) subgoals)) @
282 [GA.Executable (floc, GA.Tactic (floc, None,GA.Merge floc))]
285 [GA.Executable (floc,
288 (floc, print_term context (Cic.Appl (he::args)) )), GA.Dot floc))]
292 | [x] -> print_proof context x
294 | Cic.Lambda (Cic.Name n, ty, bo) ->
295 [GA.Executable (floc,
297 Some (GA.Cut (floc, Some n, (print_term context ty))),
299 (print_proof (Some (Cic.Name n, Cic.Decl ty)::context) bo) @
300 [GA.Executable (floc, GA.Tactic (floc, None,GA.Shift floc))] @
301 [GA.Executable (floc, GA.Tactic (floc,
302 Some (GA.Assumption floc),GA.Merge floc))]
305 debug_print (lazy (CicPp.ppterm t));
309 (* performs a lambda closure of the proof term abstracting metas.
310 * this is really an approximation of a closure, local subst of metas
311 * is not kept into account *)
312 let close_pt menv context t =
313 let metas = CicUtil.metas_of_term t in
315 HExtlib.list_uniq ~eq:(fun (i,_) (j,_) -> i = j)
316 (List.sort (fun (i,_) (j,_) -> compare i j) metas)
318 let mk_rels_and_collapse_metas metas =
319 let rec aux i map acc acc1 = function
320 | [] -> acc, acc1, map
322 let _,_,ty = CicUtil.lookup_meta j menv in
324 let n = List.assoc ty map in
325 aux i map (Cic.Rel n :: acc) (m::acc1) tl
327 let map = (ty, i)::map in
328 aux (i+1) map (Cic.Rel i :: acc) (m::acc1) tl
332 let rels, metas, map = mk_rels_and_collapse_metas metas in
333 let n_lambdas = List.length map in
339 ProofEngineReduction.replace_lifting
340 ~what:(List.map (fun (x,_) -> Cic.Meta (x,[])) metas)
343 ~equality:(fun _ x y ->
345 | Cic.Meta(i,_), Cic.Meta(j,_) when i=j -> true
347 ~where:(CicSubstitution.lift n_lambdas t)
349 let rec mk_lam = function
352 let name = "fresh_"^ string_of_int n in
353 Cic.Lambda (Cic.Name name, ty, mk_lam tl)
357 (fun (l,liftno) (ty,_) ->
358 (l @ [CicSubstitution.lift liftno ty,liftno] , liftno+1))
363 let ast = print_proof context (close_pt menv context t) in
365 (* ZACK: setting width to 80 will trigger a bug of BoxPp.render_to_string
366 * which will show up using the following command line:
367 * ./tptp2grafite -tptppath ~tassi/TPTP-v3.1.1 GRP170-1 *)
368 let width = max_int in
369 let term_pp content_term =
370 let pres_term = TermContentPres.pp_ast content_term in
371 let dummy_tbl = Hashtbl.create 1 in
372 let markup = CicNotationPres.render dummy_tbl pres_term in
373 let s = "(" ^ BoxPp.render_to_string
374 ~map_unicode_to_tex:(Helm_registry.get_bool
375 "matita.paste_unicode_as_tex")
376 List.hd width markup ^ ")" in
378 ~pat:"\\\\forall [Ha-z][a-z0-9_]*" ~subst:(fun x -> "\n" ^ x) s
380 CicNotationPp.set_pp_term term_pp;
381 let lazy_term_pp = fun x -> assert false in
382 let obj_pp = CicNotationPp.pp_obj CicNotationPp.pp_term in
383 GrafiteAstPp.pp_statement
384 ~map_unicode_to_tex:(Helm_registry.get_bool
385 "matita.paste_unicode_as_tex")
386 ~term_pp ~lazy_term_pp ~obj_pp t
388 let script = String.concat "" (List.map pp ast) in
389 prerr_endline script;
390 stupid_indenter script
393 let rec eval_macro include_paths (buffer : GText.buffer) guistuff lexicon_status grafite_status user_goal unparsed_text parsed_text script mac =
394 let module TAPp = GrafiteAstPp in
395 let module MQ = MetadataQuery in
396 let module MDB = LibraryDb in
397 let module CTC = CicTypeChecker in
398 let module CU = CicUniv in
399 (* no idea why ocaml wants this *)
400 let parsed_text_length = String.length parsed_text in
401 let dbd = LibraryDb.instance () in
403 let f t = ProofEngineReduction.replace
404 ~equality:(fun _ t -> match t with Cic.Meta _ -> true | _ -> false)
405 ~what:[()] ~with_what:[Cic.Implicit None] ~where:t
407 let metasenv = GrafiteTypes.get_proof_metasenv grafite_status in
410 ApplyTransformation.txt_of_cic_term max_int metasenv [] (f x)
411 ~map_unicode_to_tex:(Helm_registry.get_bool
412 "matita.paste_unicode_as_tex"))
416 | TA.WMatch (loc, term) ->
417 let l = Whelp.match_term ~dbd term in
418 let entry = `Whelp (pp_macro mac, l) in
419 guistuff.mathviewer#show_uri_list ~reuse:true ~entry l;
420 [], "", parsed_text_length
421 | TA.WInstance (loc, term) ->
422 let l = Whelp.instance ~dbd term in
423 let entry = `Whelp (pp_macro mac, l) in
424 guistuff.mathviewer#show_uri_list ~reuse:true ~entry l;
425 [], "", parsed_text_length
426 | TA.WLocate (loc, s) ->
427 let l = Whelp.locate ~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
431 | TA.WElim (loc, term) ->
434 | Cic.MutInd (uri,n,_) -> UriManager.uri_of_uriref uri n None
435 | _ -> failwith "Not a MutInd"
437 let l = Whelp.elim ~dbd uri in
438 let entry = `Whelp (pp_macro mac, l) in
439 guistuff.mathviewer#show_uri_list ~reuse:true ~entry l;
440 [], "", parsed_text_length
441 | TA.WHint (loc, term) ->
443 let s = ((None,[0,[],term], _subst, Cic.Meta (0,[]) ,term, []),0) in
444 let l = List.map fst (MQ.experimental_hint ~dbd s) in
445 let entry = `Whelp (pp_macro mac, l) in
446 guistuff.mathviewer#show_uri_list ~reuse:true ~entry l;
447 [], "", parsed_text_length
449 | TA.Hint (loc, rewrite) ->
453 | None -> raise NoUnfinishedProof
455 let proof = GrafiteTypes.get_current_proof grafite_status in
456 let proof_status = proof,user_goal' in
458 let l = MQ.equations_for_goal ~dbd proof_status in
459 let l = List.filter (fun u -> not (LibraryObjects.in_eq_URIs u)) l in
460 let entry = `Whelp (pp_macro (TA.WHint(loc, Cic.Implicit None)), l) in
461 guistuff.mathviewer#show_uri_list ~reuse:true ~entry l;
462 [], "", parsed_text_length
464 let l = List.map fst (MQ.experimental_hint ~dbd proof_status) in
465 let selected = guistuff.urichooser l in
467 | [] -> [], "", parsed_text_length
469 let suri = UriManager.string_of_uri uri in
471 TA.Executable (loc, (TA.Tactic (loc,
472 Some (TA.Apply (loc, CicNotationPt.Uri (suri, None))),
475 comment parsed_text ^ "\n" ^
476 pp_eager_statement_ast (ast HExtlib.dummy_floc)
477 ~map_unicode_to_tex:(Helm_registry.get_bool
478 "matita.paste_unicode_as_tex")
480 let text_len = MatitaGtkMisc.utf8_string_length text in
481 let loc = HExtlib.floc_of_loc (0,text_len) in
482 let statement = `Ast (GrafiteParser.LSome (ast loc),text) in
483 let res,_,_parsed_text_len =
484 eval_statement include_paths buffer guistuff lexicon_status
485 grafite_status user_goal script statement
487 (* we need to replace all the parsed_text *)
488 res,"",String.length parsed_text
491 "The result of the urichooser should be only 1 uri, not:\n";
493 fun u -> HLog.error (UriManager.string_of_uri u ^ "\n")
496 | TA.Check (_,term) ->
497 let metasenv = GrafiteTypes.get_proof_metasenv grafite_status in
501 | Some n -> GrafiteTypes.get_proof_context grafite_status n in
502 let ty,_ = CTC.type_of_aux' metasenv context term CicUniv.empty_ugraph in
503 let t_and_ty = Cic.Cast (term,ty) in
504 guistuff.mathviewer#show_entry (`Cic (t_and_ty,metasenv));
505 [], "", parsed_text_length
506 | TA.AutoInteractive (_, params) ->
510 | None -> raise NoUnfinishedProof
512 let proof = GrafiteTypes.get_current_proof grafite_status in
513 let proof_status = proof,user_goal' in
515 let _,menv,_,_,_,_ = proof in
516 let i,cc,ty = CicUtil.lookup_meta user_goal' menv in
517 let timestamp = Unix.gettimeofday () in
518 let (_,menv,subst,_,_,_), _ =
519 ProofEngineTypes.apply_tactic
520 (Auto.auto_tac ~dbd ~params
521 ~universe:grafite_status.GrafiteTypes.universe) proof_status
525 CicMkImplicit.identity_relocation_list_for_metavariable cc
527 CicMetaSubst.apply_subst subst (Cic.Meta (i,irl))
529 let time = Unix.gettimeofday () -. timestamp in
530 let size, depth = Auto.size_and_depth cc menv proof_term in
533 "\n(* end auto(%s) proof: TIME=%4.2f SIZE=%d DEPTH=%d *)"
534 Auto.revision time size depth
537 if List.exists (fun (s,_) -> s = "paramodulation") (snd params) then
538 let proof_term, how_many_lambdas =
539 Auto.lambda_close ~prefix_name:"orrible_hack_"
543 CicTypeChecker.type_of_aux'
544 menv [] proof_term CicUniv.empty_ugraph
546 prerr_endline (CicPp.ppterm proof_term);
547 (* use declarative output *)
549 (* il proof_term vive in cc, devo metterci i lambda no? *)
550 (Cic.CurrentProof ("xxx",menv,proof_term,ty,[],[]))
552 ApplyTransformation.txt_of_cic_object
553 ~map_unicode_to_tex:(Helm_registry.get_bool
554 "matita.paste_unicode_as_tex")
555 ~skip_thm_and_qed:true
556 ~skip_initial_lambdas:how_many_lambdas
557 80 GrafiteAst.Declarative "" obj
560 (* use cic2grafite *)
561 cic2grafite cc menv proof_term
563 (* alternative using FG stuff *)
564 let proof_term, how_many_lambdas =
565 Auto.lambda_close ~prefix_name:"orrible_hack_"
569 CicTypeChecker.type_of_aux'
570 menv [] proof_term CicUniv.empty_ugraph
573 Cic.Constant ("",Some proof_term, ty, [], [`Flavour `Lemma])
575 Pcre.qreplace ~templ:"?" ~pat:"orrible_hack_[0-9]+"
577 (ApplyTransformation.txt_of_cic_object
578 ~map_unicode_to_tex:(Helm_registry.get_bool
579 "matita.paste_unicode_as_tex")
580 ~skip_thm_and_qed:true
581 ~skip_initial_lambdas:how_many_lambdas
582 80 (GrafiteAst.Procedural None) "" obj))
584 let text = comment parsed_text ^ "\n" ^ proof_script ^ trailer in
585 [],text,parsed_text_length
587 ProofEngineTypes.Fail _ as exn ->
589 (* [], comment parsed_text ^ "\nfail.\n", parsed_text_length *))
590 | TA.Inline (_,style,suri,prefix) ->
592 ApplyTransformation.txt_of_inline_macro
593 ~map_unicode_to_tex:(Helm_registry.get_bool
594 "matita.paste_unicode_as_tex")
597 [], str, String.length parsed_text
599 and eval_executable include_paths (buffer : GText.buffer) guistuff
600 lexicon_status grafite_status user_goal unparsed_text skipped_txt nonskipped_txt
603 let module TAPp = GrafiteAstPp in
604 let module MD = GrafiteDisambiguator in
605 let module ML = MatitaMisc in
607 ignore (buffer#move_mark (`NAME "beginning_of_statement")
608 ~where:((buffer#get_iter_at_mark (`NAME "locked"))#forward_chars
609 (Glib.Utf8.length skipped_txt))) ;
610 eval_with_engine include_paths
611 guistuff lexicon_status grafite_status user_goal skipped_txt nonskipped_txt
612 (TA.Executable (loc, ex))
614 MatitaTypes.Cancel -> [], "", 0
615 | GrafiteEngine.Macro (_loc,lazy_macro) ->
619 | Some n -> GrafiteTypes.get_proof_context grafite_status n in
620 let grafite_status,macro = lazy_macro context in
621 eval_macro include_paths buffer guistuff lexicon_status grafite_status
622 user_goal unparsed_text (skipped_txt ^ nonskipped_txt) script macro
624 and eval_statement include_paths (buffer : GText.buffer) guistuff lexicon_status
625 grafite_status user_goal script statement
627 let (lexicon_status,st), unparsed_text =
630 if Pcre.pmatch ~rex:only_dust_RE text then raise Margin;
632 wrap_with_make include_paths
633 (GrafiteParser.parse_statement (Ulexing.from_utf8_string text)) lexicon_status
636 | `Ast (st, text) -> (lexicon_status, st), text
638 let text_of_loc floc =
639 let nonskipped_txt,_ = MatitaGtkMisc.utf8_parsed_text unparsed_text floc in
640 let start, stop = HExtlib.loc_of_floc floc in
641 let floc = HExtlib.floc_of_loc (0, start) in
642 let skipped_txt,_ = MatitaGtkMisc.utf8_parsed_text unparsed_text floc in
643 let floc = HExtlib.floc_of_loc (0, stop) in
644 let txt,len = MatitaGtkMisc.utf8_parsed_text unparsed_text floc in
645 txt,nonskipped_txt,skipped_txt,len
648 | GrafiteParser.LNone loc ->
649 let parsed_text, _, _, parsed_text_length = text_of_loc loc in
650 [(grafite_status,lexicon_status),parsed_text],"",
652 | GrafiteParser.LSome (GrafiteAst.Comment (loc, _)) ->
653 let parsed_text, _, _, parsed_text_length = text_of_loc loc in
654 let remain_len = String.length unparsed_text - parsed_text_length in
655 let s = String.sub unparsed_text parsed_text_length remain_len in
658 eval_statement include_paths buffer guistuff lexicon_status
659 grafite_status user_goal script (`Raw s)
661 HExtlib.Localized (floc, exn) ->
662 HExtlib.raise_localized_exception
663 ~offset:(MatitaGtkMisc.utf8_string_length parsed_text) floc exn
664 | GrafiteDisambiguator.DisambiguationError (offset,errorll) ->
666 (GrafiteDisambiguator.DisambiguationError
667 (offset+parsed_text_length, errorll))
669 assert (text=""); (* no macros inside comments, please! *)
671 | (statuses,text)::tl ->
672 (statuses,parsed_text ^ text)::tl,"",parsed_text_length + len
674 | GrafiteParser.LSome (GrafiteAst.Executable (loc, ex)) ->
675 let _, nonskipped, skipped, parsed_text_length =
678 eval_executable include_paths buffer guistuff lexicon_status
679 grafite_status user_goal unparsed_text skipped nonskipped script ex loc
681 let fresh_script_id =
685 class script ~(source_view: GSourceView.source_view)
686 ~(mathviewer: MatitaTypes.mathViewer)
691 let buffer = source_view#buffer in
692 let source_buffer = source_view#source_buffer in
693 let initial_statuses baseuri =
695 CicNotation2.load_notation ~include_paths:[]
696 BuildTimeConf.core_notation_script
698 let grafite_status = GrafiteSync.init baseuri in
699 grafite_status,lexicon_status
701 let read_include_paths file =
703 let root, _buri, _fname, _tgt =
704 Librarian.baseuri_of_script ~include_paths:[] file
707 Str.split (Str.regexp " ")
708 (List.assoc "include_paths" (Librarian.load_root_file (root^"/root")))
710 List.iter (HLog.debug) rc; rc
711 with Librarian.NoRootFor _ | Not_found -> []
713 let default_buri = "cic:/matita/tests" in
714 let default_fname = ".unnamed.ma" in
716 val mutable include_paths_ = []
718 val scriptId = fresh_script_id ()
721 mathviewer = mathviewer;
722 urichooser = urichooser;
723 ask_confirmation = ask_confirmation;
726 val mutable filename_ = (None : string option)
728 method has_name = filename_ <> None
730 method include_paths =
732 Helm_registry.get_list Helm_registry.string "matita.includes"
734 method private curdir =
736 let root, _buri, _fname, _tgt =
737 Librarian.baseuri_of_script ~include_paths:self#include_paths
741 with Librarian.NoRootFor _ -> Sys.getcwd ()
743 method buri_of_current_file =
745 | None -> default_buri
748 let _root, buri, _fname, _tgt =
749 Librarian.baseuri_of_script ~include_paths:self#include_paths f
752 with Librarian.NoRootFor _ -> default_buri
754 method filename = match filename_ with None -> default_fname | Some f -> f
757 ignore (GMain.Timeout.add ~ms:300000
758 ~callback:(fun _ -> self#_saveToBackupFile ();true));
759 ignore (buffer#connect#modified_changed
760 (fun _ -> set_star buffer#modified))
762 val mutable statements = [] (** executed statements *)
764 val mutable history = [ initial_statuses default_buri ]
765 (** list of states before having executed statements. Head element of this
766 * list is the current state, last element is the state at the beginning of
768 * Invariant: this list length is 1 + length of statements *)
770 (** goal as seen by the user (i.e. metano corresponding to current tab) *)
771 val mutable userGoal = None
773 (** text mark and tag representing locked part of a script *)
775 buffer#create_mark ~name:"locked" ~left_gravity:true buffer#start_iter
776 val beginning_of_statement_mark =
777 buffer#create_mark ~name:"beginning_of_statement"
778 ~left_gravity:true buffer#start_iter
779 val locked_tag = buffer#create_tag [`BACKGROUND "lightblue"; `EDITABLE false]
780 val error_tag = buffer#create_tag [`UNDERLINE `SINGLE; `FOREGROUND "red"]
782 method locked_mark = locked_mark
783 method locked_tag = locked_tag
784 method error_tag = error_tag
786 (* history can't be empty, the invariant above grant that it contains at
787 * least the init grafite_status *)
788 method grafite_status = match history with (s,_)::_ -> s | _ -> assert false
789 method lexicon_status = match history with (_,ss)::_ -> ss | _ -> assert false
791 method private _advance ?statement () =
792 let s = match statement with Some s -> s | None -> self#getFuture in
793 if self#bos then LibraryClean.clean_baseuris [self#buri_of_current_file];
794 HLog.debug ("evaluating: " ^ first_line s ^ " ...");
795 let entries, newtext, parsed_len =
797 eval_statement self#include_paths buffer guistuff self#lexicon_status
798 self#grafite_status userGoal self (`Raw s)
799 with End_of_file -> raise Margin
801 let new_statuses, new_statements =
802 let statuses, texts = List.split entries in
805 history <- new_statuses @ history;
806 statements <- new_statements @ statements;
807 let start = buffer#get_iter_at_mark (`MARK locked_mark) in
808 let new_text = String.concat "" (List.rev new_statements) in
809 if statement <> None then
810 buffer#insert ~iter:start new_text
812 let parsed_text = String.sub s 0 parsed_len in
813 if new_text <> parsed_text then begin
814 let stop = start#copy#forward_chars (Glib.Utf8.length parsed_text) in
815 buffer#delete ~start ~stop;
816 buffer#insert ~iter:start new_text;
819 self#moveMark (Glib.Utf8.length new_text);
820 buffer#insert ~iter:(buffer#get_iter_at_mark (`MARK locked_mark)) newtext;
821 (* here we need to set the Goal in case we are going to cursor (or to
822 bottom) and we will face a macro *)
823 match self#grafite_status.proof_status with
824 Incomplete_proof p ->
826 (try Some (Continuationals.Stack.find_goal p.stack)
827 with Failure _ -> None)
828 | _ -> userGoal <- None
830 method private _retract offset lexicon_status grafite_status new_statements
833 let cur_grafite_status,cur_lexicon_status =
834 match history with s::_ -> s | [] -> assert false
836 LexiconSync.time_travel ~present:cur_lexicon_status ~past:lexicon_status;
837 GrafiteSync.time_travel ~present:cur_grafite_status ~past:grafite_status;
838 statements <- new_statements;
839 history <- new_history;
840 self#moveMark (- offset)
842 method advance ?statement () =
844 self#_advance ?statement ();
847 | Margin -> self#notify
848 | Not_found -> assert false
849 | Invalid_argument "Array.make" -> HLog.error "The script is too big!\n"
850 | exc -> self#notify; raise exc
854 let cmp,new_statements,new_history,(grafite_status,lexicon_status) =
855 match statements,history with
856 stat::statements, _::(status::_ as history) ->
857 assert (Glib.Utf8.validate stat);
858 Glib.Utf8.length stat, statements, history, status
859 | [],[_] -> raise Margin
860 | _,_ -> assert false
862 self#_retract cmp lexicon_status grafite_status new_statements
866 | Margin -> self#notify
867 | Invalid_argument "Array.make" -> HLog.error "The script is too big!\n"
868 | exc -> self#notify; raise exc
870 method private getFuture =
871 buffer#get_text ~start:(buffer#get_iter_at_mark (`MARK locked_mark))
872 ~stop:buffer#end_iter ()
875 (** @param rel_offset relative offset from current position of locked_mark *)
876 method private moveMark rel_offset =
877 let mark = `MARK locked_mark in
878 let old_insert = buffer#get_iter_at_mark `INSERT in
879 buffer#remove_tag locked_tag ~start:buffer#start_iter ~stop:buffer#end_iter;
880 let current_mark_pos = buffer#get_iter_at_mark mark in
882 match rel_offset with
883 | 0 -> current_mark_pos
884 | n when n > 0 -> current_mark_pos#forward_chars n
885 | n (* when n < 0 *) -> current_mark_pos#backward_chars (abs n)
887 buffer#move_mark mark ~where:new_mark_pos;
888 buffer#apply_tag locked_tag ~start:buffer#start_iter ~stop:new_mark_pos;
889 buffer#move_mark `INSERT old_insert;
890 let mark_position = buffer#get_iter_at_mark mark in
891 if source_view#move_mark_onscreen mark then
893 buffer#move_mark mark mark_position;
894 source_view#scroll_to_mark ~use_align:true ~xalign:1.0 ~yalign:0.1 mark;
896 while Glib.Main.pending () do ignore(Glib.Main.iteration false); done
898 method clean_dirty_lock =
899 let lock_mark_iter = buffer#get_iter_at_mark (`MARK locked_mark) in
900 buffer#remove_tag locked_tag ~start:buffer#start_iter ~stop:buffer#end_iter;
901 buffer#apply_tag locked_tag ~start:buffer#start_iter ~stop:lock_mark_iter
903 val mutable observers = []
905 method addObserver (o: LexiconEngine.status -> GrafiteTypes.status -> unit) =
906 observers <- o :: observers
908 method private notify =
909 let lexicon_status = self#lexicon_status in
910 let grafite_status = self#grafite_status in
911 List.iter (fun o -> o lexicon_status grafite_status) observers
913 method loadFromString s =
916 buffer#set_modified true
918 method loadFromFile f =
919 buffer#set_text (HExtlib.input_file f);
921 buffer#set_modified false
923 method assignFileName file =
926 | Some f -> Some (Librarian.absolutize f)
932 (match file with Some file -> read_include_paths file | None -> []);
934 Sys.chdir self#curdir;
935 HLog.debug ("Moving to " ^ Sys.getcwd ())
937 method saveToFile () =
938 if self#has_name then
939 let oc = open_out self#filename in
940 output_string oc (buffer#get_text ~start:buffer#start_iter
941 ~stop:buffer#end_iter ());
944 buffer#set_modified false
946 HLog.error "Can't save, no filename selected"
948 method private _saveToBackupFile () =
949 if buffer#modified then
951 let f = self#filename in
952 let oc = open_out f in
953 output_string oc (buffer#get_text ~start:buffer#start_iter
954 ~stop:buffer#end_iter ());
956 HLog.debug ("backup " ^ f ^ " saved")
959 method private goto_top =
960 let grafite_status,lexicon_status =
961 let rec last x = function
963 | hd::tl -> last hd tl
965 last (self#grafite_status,self#lexicon_status) history
967 (* FIXME: this is not correct since there is no undo for
968 * library_objects.set_default... *)
969 GrafiteSync.time_travel ~present:self#grafite_status ~past:grafite_status;
970 LexiconSync.time_travel ~present:self#lexicon_status ~past:lexicon_status
972 method private reset_buffer =
974 history <- [ initial_statuses self#buri_of_current_file ];
977 buffer#remove_tag locked_tag ~start:buffer#start_iter ~stop:buffer#end_iter;
978 buffer#move_mark (`MARK locked_mark) ~where:buffer#start_iter
982 source_buffer#begin_not_undoable_action ();
983 buffer#delete ~start:buffer#start_iter ~stop:buffer#end_iter;
984 source_buffer#end_not_undoable_action ();
985 buffer#set_modified false;
988 let template = HExtlib.input_file BuildTimeConf.script_template in
989 buffer#insert ~iter:(buffer#get_iter `START) template;
990 buffer#set_modified false;
993 method goto (pos: [`Top | `Bottom | `Cursor]) () =
995 let old_locked_mark =
997 (buffer#create_mark ~name:"old_locked_mark"
998 ~left_gravity:true (buffer#get_iter_at_mark (`MARK locked_mark))) in
999 let getpos _ = buffer#get_iter_at_mark (`MARK locked_mark) in
1000 let getoldpos _ = buffer#get_iter_at_mark old_locked_mark in
1001 let dispose_old_locked_mark () = buffer#delete_mark old_locked_mark in
1004 dispose_old_locked_mark ();
1010 let rec dowhile () =
1012 let newpos = getpos () in
1013 if (getoldpos ())#compare newpos < 0 then
1015 buffer#move_mark old_locked_mark newpos;
1020 dispose_old_locked_mark ();
1023 | Margin -> dispose_old_locked_mark (); self#notify
1024 | exc -> dispose_old_locked_mark (); self#notify; raise exc)
1026 let locked_iter () = buffer#get_iter_at_mark (`NAME "locked") in
1027 let cursor_iter () = buffer#get_iter_at_mark `INSERT in
1030 (buffer#create_mark ~name:"initial_insert"
1031 ~left_gravity:true (cursor_iter ())) in
1032 let dispose_remember () = buffer#delete_mark remember in
1033 let remember_iter () =
1034 buffer#get_iter_at_mark (`NAME "initial_insert") in
1035 let cmp () = (locked_iter ())#offset - (remember_iter ())#offset in
1036 let icmp = cmp () in
1037 let forward_until_cursor () = (* go forward until locked > cursor *)
1040 if cmp () < 0 && (getoldpos ())#compare (getpos ()) < 0
1043 buffer#move_mark old_locked_mark (getpos ());
1049 let rec back_until_cursor len = (* go backward until locked < cursor *)
1051 statements, ((grafite_status,lexicon_status)::_ as history)
1053 self#_retract (icmp - len) lexicon_status grafite_status statements
1055 | statement::tl1, _::tl2 ->
1056 back_until_cursor (len - MatitaGtkMisc.utf8_string_length statement) (tl1,tl2)
1057 | _,_ -> assert false
1061 if icmp < 0 then (* locked < cursor *)
1062 (forward_until_cursor (); self#notify)
1063 else if icmp > 0 then (* locked > cursor *)
1064 (back_until_cursor icmp (statements,history); self#notify)
1065 else (* cursor = locked *)
1068 dispose_remember ();
1069 dispose_old_locked_mark ();
1071 | Margin -> dispose_remember (); dispose_old_locked_mark (); self#notify
1072 | exc -> dispose_remember (); dispose_old_locked_mark ();
1073 self#notify; raise exc)
1074 with Invalid_argument "Array.make" ->
1075 HLog.error "The script is too big!\n"
1077 method onGoingProof () =
1078 match self#grafite_status.proof_status with
1079 | No_proof | Proof _ -> false
1080 | Incomplete_proof _ -> true
1081 | Intermediate _ -> assert false
1083 (* method proofStatus = MatitaTypes.get_proof_status self#status *)
1084 method proofMetasenv = GrafiteTypes.get_proof_metasenv self#grafite_status
1086 method proofContext =
1089 | Some n -> GrafiteTypes.get_proof_context self#grafite_status n
1091 method proofConclusion =
1093 None -> assert false
1095 GrafiteTypes.get_proof_conclusion self#grafite_status n
1097 method stack = GrafiteTypes.get_stack self#grafite_status
1098 method setGoal n = userGoal <- n
1099 method goal = userGoal
1107 let rec is_there_only_comments lexicon_status s =
1108 if Pcre.pmatch ~rex:only_dust_RE s then raise Margin;
1109 let lexicon_status,st =
1110 GrafiteParser.parse_statement (Ulexing.from_utf8_string s)
1111 ~include_paths:self#include_paths lexicon_status
1114 | GrafiteParser.LSome (GrafiteAst.Comment (loc,_)) ->
1115 let _,parsed_text_length = MatitaGtkMisc.utf8_parsed_text s loc in
1116 (* CSC: why +1 in the following lines ???? *)
1117 let parsed_text_length = parsed_text_length + 1 in
1118 let remain_len = String.length s - parsed_text_length in
1119 let next = String.sub s parsed_text_length remain_len in
1120 is_there_only_comments lexicon_status next
1121 | GrafiteParser.LNone _
1122 | GrafiteParser.LSome (GrafiteAst.Executable _) -> false
1125 is_there_only_comments self#lexicon_status self#getFuture
1127 | LexiconEngine.IncludedFileNotCompiled _
1128 | HExtlib.Localized _
1129 | CicNotationParser.Parse_error _ -> false
1130 | Margin | End_of_file -> true
1131 | Invalid_argument "Array.make" -> false
1135 HLog.debug "script status:";
1136 HLog.debug ("history size: " ^ string_of_int (List.length history));
1137 HLog.debug (sprintf "%d statements:" (List.length statements));
1138 List.iter HLog.debug statements;
1139 HLog.debug ("Current file name: " ^ self#filename);
1142 let _script = ref None
1144 let script ~source_view ~mathviewer ~urichooser ~ask_confirmation ~set_star ()
1147 ~source_view ~mathviewer ~ask_confirmation ~urichooser ~set_star ()
1152 let current () = match !_script with None -> assert false | Some s -> s