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 parsed_text_length =
80 String.length skipped_txt + String.length nonskipped_txt
82 let text = skipped_txt ^ nonskipped_txt in
83 let prefix_len = MatitaGtkMisc.utf8_string_length skipped_txt in
84 let enriched_history_fragment =
85 MatitaEngine.eval_ast ~do_heavy_checks:(Helm_registry.get_bool
86 "matita.do_heavy_checks")
87 lexicon_status grafite_status (text,prefix_len,st)
89 let enriched_history_fragment = List.rev enriched_history_fragment in
93 (fun (acc, to_prepend) (status,alias) ->
95 | None -> (status,to_prepend ^ nonskipped_txt)::acc,""
97 let newtxt = LexiconAstPp.pp_alias value in
98 (status,to_prepend ^ newtxt ^ "\n")::acc, "")
99 ([],skipped_txt) enriched_history_fragment
101 res,"",parsed_text_length
104 (* this function calls the parser in a way that it does not perform inclusions,
105 * so that we can ensure the inclusion is performed after the included file
106 * is compiled (if needed). matitac does not need that, since it compiles files
107 * in the good order, here files may be compiled on demand. *)
108 let wrap_with_make include_paths (f : GrafiteParser.statement) x =
110 f ~never_include:true ~include_paths x
112 | GrafiteParser.NoInclusionPerformed mafilename ->
113 let root, buri, _, tgt =
114 try Librarian.baseuri_of_script ~include_paths mafilename
115 with Librarian.NoRootFor _ ->
116 HLog.error ("The included file '"^mafilename^"' has no root file,");
117 HLog.error "please create it.";
118 raise (Failure ("No root file for "^mafilename))
120 let b = MatitacLib.Make.make root [tgt] in
122 try f ~include_paths x with LexiconEngine.IncludedFileNotCompiled _ ->
124 (Failure ("Including: "^tgt^
125 "\nNothing to do... did you run matitadep?"))
126 else raise (Failure ("Compiling: " ^ tgt))
129 let pp_eager_statement_ast =
130 GrafiteAstPp.pp_statement ~term_pp:CicNotationPp.pp_term
131 ~lazy_term_pp:(fun _ -> assert false) ~obj_pp:(fun _ -> assert false)
133 (* naive implementation of procedural proof script generation,
134 * starting from an applicatiove *auto generated) proof.
135 * this is out of place, but I like it :-P *)
136 let cic2grafite context menv t =
137 (* indents a proof script in a stupid way, better than nothing *)
138 let stupid_indenter s =
140 let idx_square_o = try String.index s '[' with Not_found -> -1 in
141 let idx_square_c = try String.index s ']' with Not_found -> -1 in
142 let idx_pipe = try String.index s '|' with Not_found -> -1 in
144 List.sort (fun (i,_) (j,_) -> compare i j)
145 [idx_square_o,'[';idx_square_c,']';idx_pipe,'|']
147 let tok = List.filter (fun (i,_) -> i <> -1) tok in
149 | (i,c)::_ -> Some (i,c)
152 let break_apply n s =
153 let tab = String.make (n+1) ' ' in
154 Pcre.replace ~templ:(".\n" ^ tab ^ "apply") ~pat:"\\.apply" s
160 | Some (position, char) ->
163 String.sub s 0 position,
164 String.sub s (position+1) (String.length s - (position+1))
167 | '[' -> break_apply n s1 ^ "\n" ^ String.make (n+2) ' ' ^
169 | '|' -> break_apply n s1 ^ "\n" ^ String.make n ' ' ^
171 | ']' -> break_apply n s1 ^ "\n" ^ String.make n ' ' ^
175 Invalid_argument err ->
181 let module PT = CicNotationPt in
182 let module GA = GrafiteAst in
185 List.map (function Some (n,_) -> Some n | None -> None) context
189 let sort_of context t =
192 CicTypeChecker.type_of_aux' menv context t
193 CicUniv.oblivion_ugraph
195 let sort,_ = CicTypeChecker.type_of_aux' menv context ty
196 CicUniv.oblivion_ugraph
199 | Cic.Sort Cic.Prop -> true
202 CicTypeChecker.TypeCheckerFailure _ ->
203 HLog.error "auto proof to sript transformation error"; false
205 let floc = HExtlib.dummy_floc in
206 (* minimalisti cic.term -> pt.term *)
208 let rec aux c = function
212 | Cic.Const _ as t ->
213 PT.Ident (pp_t c t, None)
214 | Cic.Appl l -> PT.Appl (List.map (aux c) l)
215 | Cic.Implicit _ -> PT.Implicit
216 | Cic.Lambda (Cic.Name n, s, t) ->
217 PT.Binder (`Lambda, (PT.Ident (n,None), Some (aux c s)),
218 aux (Some (Cic.Name n, Cic.Decl s)::c) t)
219 | Cic.Prod (Cic.Name n, s, t) ->
220 PT.Binder (`Forall, (PT.Ident (n,None), Some (aux c s)),
221 aux (Some (Cic.Name n, Cic.Decl s)::c) t)
222 | Cic.LetIn (Cic.Name n, s, ty, t) ->
223 PT.Binder (`Lambda, (PT.Ident (n,None), Some (aux c s)),
224 aux (Some (Cic.Name n, Cic.Def (s,ty))::c) t)
225 | Cic.Meta _ -> PT.Implicit
226 | Cic.Sort (Cic.Type u) -> PT.Sort (`Type u)
227 | Cic.Sort Cic.Set -> PT.Sort `Set
228 | Cic.Sort (Cic.CProp u) -> PT.Sort (`CProp u)
229 | Cic.Sort Cic.Prop -> PT.Sort `Prop
230 | _ as t -> PT.Ident ("ERROR: "^CicPp.ppterm t, None)
234 (* prints an applicative proof, that is an auto proof.
235 * don't use in the general case! *)
236 let rec print_proof context = function
238 | Cic.Const _ as t ->
239 [GA.Executable (floc,
241 Some (GA.Apply (floc, print_term context t)), GA.Dot floc))]
242 | Cic.Appl (he::tl) ->
243 let tl = List.map (fun t -> t, sort_of context t) tl in
245 HExtlib.filter_map (function (t,true) -> Some t | _ -> None) tl
248 List.map (function | (t,true) -> Cic.Implicit None | (t,_) -> t) tl
250 if List.length subgoals > 1 then
252 [GA.Executable (floc,
254 Some (GA.Apply (floc, print_term context (Cic.Appl (he::args)))),
255 GA.Semicolon floc))] @
256 [GA.Executable (floc, GA.Tactic (floc, None, GA.Branch floc))] @
258 ~sep:[GA.Executable (floc, GA.Tactic (floc, None,GA.Shift floc))]
259 (List.map (print_proof context) subgoals)) @
260 [GA.Executable (floc, GA.Tactic (floc, None,GA.Merge floc))]
263 [GA.Executable (floc,
266 (floc, print_term context (Cic.Appl (he::args)) )), GA.Dot floc))]
270 | [x] -> print_proof context x
272 | Cic.Lambda (Cic.Name n, ty, bo) ->
273 [GA.Executable (floc,
275 Some (GA.Cut (floc, Some n, (print_term context ty))),
277 (print_proof (Some (Cic.Name n, Cic.Decl ty)::context) bo) @
278 [GA.Executable (floc, GA.Tactic (floc, None,GA.Shift floc))] @
279 [GA.Executable (floc, GA.Tactic (floc,
280 Some (GA.Assumption floc),GA.Merge floc))]
283 debug_print (lazy (CicPp.ppterm t));
287 (* performs a lambda closure of the proof term abstracting metas.
288 * this is really an approximation of a closure, local subst of metas
289 * is not kept into account *)
290 let close_pt menv context t =
291 let metas = CicUtil.metas_of_term t in
293 HExtlib.list_uniq ~eq:(fun (i,_) (j,_) -> i = j)
294 (List.sort (fun (i,_) (j,_) -> compare i j) metas)
296 let mk_rels_and_collapse_metas metas =
297 let rec aux i map acc acc1 = function
298 | [] -> acc, acc1, map
300 let _,_,ty = CicUtil.lookup_meta j menv in
302 let n = List.assoc ty map in
303 aux i map (Cic.Rel n :: acc) (m::acc1) tl
305 let map = (ty, i)::map in
306 aux (i+1) map (Cic.Rel i :: acc) (m::acc1) tl
310 let rels, metas, map = mk_rels_and_collapse_metas metas in
311 let n_lambdas = List.length map in
317 ProofEngineReduction.replace_lifting
318 ~what:(List.map (fun (x,_) -> Cic.Meta (x,[])) metas)
321 ~equality:(fun _ x y ->
323 | Cic.Meta(i,_), Cic.Meta(j,_) when i=j -> true
325 ~where:(CicSubstitution.lift n_lambdas t)
327 let rec mk_lam = function
330 let name = "fresh_"^ string_of_int n in
331 Cic.Lambda (Cic.Name name, ty, mk_lam tl)
335 (fun (l,liftno) (ty,_) ->
336 (l @ [CicSubstitution.lift liftno ty,liftno] , liftno+1))
341 let ast = print_proof context (close_pt menv context t) in
343 (* ZACK: setting width to 80 will trigger a bug of BoxPp.render_to_string
344 * which will show up using the following command line:
345 * ./tptp2grafite -tptppath ~tassi/TPTP-v3.1.1 GRP170-1 *)
346 let width = max_int in
347 let term_pp content_term =
348 let pres_term = TermContentPres.pp_ast content_term in
349 let dummy_tbl = Hashtbl.create 1 in
350 let markup = CicNotationPres.render dummy_tbl pres_term in
351 let s = "(" ^ BoxPp.render_to_string
352 ~map_unicode_to_tex:(Helm_registry.get_bool
353 "matita.paste_unicode_as_tex")
354 List.hd width markup ^ ")" in
356 ~pat:"\\\\forall [Ha-z][a-z0-9_]*" ~subst:(fun x -> "\n" ^ x) s
358 CicNotationPp.set_pp_term term_pp;
359 let lazy_term_pp = fun x -> assert false in
360 let obj_pp = CicNotationPp.pp_obj CicNotationPp.pp_term in
361 GrafiteAstPp.pp_statement
362 ~map_unicode_to_tex:(Helm_registry.get_bool
363 "matita.paste_unicode_as_tex")
364 ~term_pp ~lazy_term_pp ~obj_pp t
366 let script = String.concat "" (List.map pp ast) in
367 prerr_endline script;
368 stupid_indenter script
371 let rec eval_macro include_paths (buffer : GText.buffer) guistuff lexicon_status grafite_status user_goal unparsed_text parsed_text script mac =
372 let module TAPp = GrafiteAstPp in
373 let module MQ = MetadataQuery in
374 let module MDB = LibraryDb in
375 let module CTC = CicTypeChecker in
376 let module CU = CicUniv in
377 (* no idea why ocaml wants this *)
378 let parsed_text_length = String.length parsed_text in
379 let dbd = LibraryDb.instance () in
380 let pp_macro = ApplyTransformation.txt_of_macro ~map_unicode_to_tex:true in
383 | TA.WMatch (loc, term) ->
384 let l = Whelp.match_term ~dbd term in
385 let entry = `Whelp (pp_macro [] [] mac, l) in
386 guistuff.mathviewer#show_uri_list ~reuse:true ~entry l;
387 [], "", parsed_text_length
388 | TA.WInstance (loc, term) ->
389 let l = Whelp.instance ~dbd term in
390 let entry = `Whelp (pp_macro [] [] mac, l) in
391 guistuff.mathviewer#show_uri_list ~reuse:true ~entry l;
392 [], "", parsed_text_length
393 | TA.WLocate (loc, s) ->
394 let l = Whelp.locate ~dbd s in
395 let entry = `Whelp (pp_macro [] [] mac, l) in
396 guistuff.mathviewer#show_uri_list ~reuse:true ~entry l;
397 [], "", parsed_text_length
398 | TA.WElim (loc, term) ->
401 | Cic.MutInd (uri,n,_) -> UriManager.uri_of_uriref uri n None
402 | _ -> failwith "Not a MutInd"
404 let l = Whelp.elim ~dbd uri in
405 let entry = `Whelp (pp_macro [] [] mac, l) in
406 guistuff.mathviewer#show_uri_list ~reuse:true ~entry l;
407 [], "", parsed_text_length
408 | TA.WHint (loc, term) ->
410 let s = ((None,[0,[],term], _subst, lazy (Cic.Meta (0,[])) ,term, []),0) in
411 let l = List.map fst (MQ.experimental_hint ~dbd s) in
412 let entry = `Whelp (pp_macro [] [] mac, l) in
413 guistuff.mathviewer#show_uri_list ~reuse:true ~entry l;
414 [], "", parsed_text_length
416 | TA.Hint (loc, rewrite) ->
420 | None -> raise NoUnfinishedProof
422 let proof = GrafiteTypes.get_current_proof grafite_status in
423 let proof_status = proof,user_goal' in
425 let l = MQ.equations_for_goal ~dbd proof_status in
426 let l = List.filter (fun u -> not (LibraryObjects.in_eq_URIs u)) l in
428 `Whelp (pp_macro [] [] (TA.WHint(loc, Cic.Implicit None)), l) in
429 guistuff.mathviewer#show_uri_list ~reuse:true ~entry l;
430 [], "", parsed_text_length
432 let l = List.map fst (MQ.experimental_hint ~dbd proof_status) in
433 let selected = guistuff.urichooser l in
435 | [] -> [], "", parsed_text_length
437 let suri = UriManager.string_of_uri uri in
439 TA.Executable (loc, (TA.Tactic (loc,
440 Some (TA.Apply (loc, CicNotationPt.Uri (suri, None))),
443 comment parsed_text ^ "\n" ^
444 pp_eager_statement_ast (ast HExtlib.dummy_floc)
445 ~map_unicode_to_tex:(Helm_registry.get_bool
446 "matita.paste_unicode_as_tex")
448 let text_len = MatitaGtkMisc.utf8_string_length text in
449 let loc = HExtlib.floc_of_loc (0,text_len) in
450 let statement = `Ast (GrafiteParser.LSome (ast loc),text) in
451 let res,_,_parsed_text_len =
452 eval_statement include_paths buffer guistuff lexicon_status
453 grafite_status user_goal script statement
455 (* we need to replace all the parsed_text *)
456 res,"",String.length parsed_text
459 "The result of the urichooser should be only 1 uri, not:\n";
461 fun u -> HLog.error (UriManager.string_of_uri u ^ "\n")
464 | TA.Eval (_, kind, term) ->
465 let metasenv = GrafiteTypes.get_proof_metasenv grafite_status in
469 | Some n -> GrafiteTypes.get_proof_context grafite_status n in
470 let ty,_ = CTC.type_of_aux' metasenv context term CicUniv.empty_ugraph in
474 CicReduction.normalize ~delta:true ~subst:[] context term
476 ProofEngineReduction.simpl context term
478 ProofEngineReduction.unfold ?what:None context term
479 | `Unfold (Some lazy_term) ->
481 lazy_term context metasenv CicUniv.empty_ugraph in
482 ProofEngineReduction.unfold ~what context term
484 CicReduction.whd ~delta:true ~subst:[] context term
486 let t_and_ty = Cic.Cast (term,ty) in
487 guistuff.mathviewer#show_entry (`Cic (t_and_ty,metasenv));
488 [({grafite_status with proof_status = No_proof},lexicon_status), parsed_text ],"",
490 | TA.Check (_,term) ->
491 let metasenv = GrafiteTypes.get_proof_metasenv grafite_status in
495 | Some n -> GrafiteTypes.get_proof_context grafite_status n in
496 let ty,_ = CTC.type_of_aux' metasenv context term CicUniv.empty_ugraph in
497 let t_and_ty = Cic.Cast (term,ty) in
498 guistuff.mathviewer#show_entry (`Cic (t_and_ty,metasenv));
499 [], "", parsed_text_length
500 | TA.AutoInteractive (_, params) ->
504 | None -> raise NoUnfinishedProof
506 let proof = GrafiteTypes.get_current_proof grafite_status in
507 let proof_status = proof,user_goal' in
509 let _,menv,_,_,_,_ = proof in
510 let i,cc,ty = CicUtil.lookup_meta user_goal' menv in
511 let timestamp = Unix.gettimeofday () in
512 let (_,menv,subst,_,_,_), _ =
513 ProofEngineTypes.apply_tactic
514 (Auto.auto_tac ~dbd ~params
515 ~universe:grafite_status.GrafiteTypes.universe) proof_status
519 CicMkImplicit.identity_relocation_list_for_metavariable cc
521 CicMetaSubst.apply_subst subst (Cic.Meta (i,irl))
523 let time = Unix.gettimeofday () -. timestamp in
524 let size, depth = Auto.size_and_depth cc menv proof_term in
527 "\n(* end auto(%s) proof: TIME=%4.2f SIZE=%d DEPTH=%d *)"
528 Auto.revision time size depth
531 if List.exists (fun (s,_) -> s = "paramodulation") (snd params) then
532 let proof_term, how_many_lambdas =
533 Auto.lambda_close ~prefix_name:"orrible_hack_"
537 CicTypeChecker.type_of_aux'
538 menv [] proof_term CicUniv.empty_ugraph
540 prerr_endline (CicPp.ppterm proof_term);
541 (* use declarative output *)
543 (* il proof_term vive in cc, devo metterci i lambda no? *)
544 (Cic.CurrentProof ("xxx",menv,proof_term,ty,[],[]))
546 ApplyTransformation.txt_of_cic_object
547 ~map_unicode_to_tex:(Helm_registry.get_bool
548 "matita.paste_unicode_as_tex")
549 ~skip_thm_and_qed:true
550 ~skip_initial_lambdas:how_many_lambdas
551 80 GrafiteAst.Declarative "" obj
554 (* use cic2grafite *)
555 cic2grafite cc menv proof_term
557 (* alternative using FG stuff *)
558 let map_unicode_to_tex =
559 Helm_registry.get_bool "matita.paste_unicode_as_tex"
561 ApplyTransformation.procedural_txt_of_cic_term
562 ~map_unicode_to_tex 78 cc proof_term
564 let text = comment parsed_text ^ "\n" ^ proof_script ^ trailer in
565 [],text,parsed_text_length
567 ProofEngineTypes.Fail _ as exn ->
569 (* [], comment parsed_text ^ "\nfail.\n", parsed_text_length *))
570 | TA.Inline (_,style,suri,prefix,flavour) ->
572 ApplyTransformation.txt_of_inline_macro
573 ~map_unicode_to_tex:(Helm_registry.get_bool
574 "matita.paste_unicode_as_tex")
575 style ?flavour prefix suri
577 [], str, String.length parsed_text
579 and eval_executable include_paths (buffer : GText.buffer) guistuff
580 lexicon_status grafite_status user_goal unparsed_text skipped_txt nonskipped_txt
583 let module TAPp = GrafiteAstPp in
584 let module MD = MultiPassDisambiguator in
585 let module ML = MatitaMisc in
587 ignore (buffer#move_mark (`NAME "beginning_of_statement")
588 ~where:((buffer#get_iter_at_mark (`NAME "locked"))#forward_chars
589 (Glib.Utf8.length skipped_txt))) ;
590 eval_with_engine include_paths
591 guistuff lexicon_status grafite_status user_goal skipped_txt nonskipped_txt
592 (TA.Executable (loc, ex))
594 MatitaTypes.Cancel -> [], "", 0
595 | GrafiteEngine.Macro (_loc,lazy_macro) ->
599 | Some n -> GrafiteTypes.get_proof_context grafite_status n in
600 let grafite_status,macro = lazy_macro context in
601 eval_macro include_paths buffer guistuff lexicon_status grafite_status
602 user_goal unparsed_text (skipped_txt ^ nonskipped_txt) script macro
604 and eval_statement include_paths (buffer : GText.buffer) guistuff lexicon_status
605 grafite_status user_goal script statement
607 let (lexicon_status,st), unparsed_text =
610 if Pcre.pmatch ~rex:only_dust_RE text then raise Margin;
612 wrap_with_make include_paths
613 (GrafiteParser.parse_statement (Ulexing.from_utf8_string text)) lexicon_status
616 | `Ast (st, text) -> (lexicon_status, st), text
618 let text_of_loc floc =
619 let nonskipped_txt,_ = MatitaGtkMisc.utf8_parsed_text unparsed_text floc in
620 let start, stop = HExtlib.loc_of_floc floc in
621 let floc = HExtlib.floc_of_loc (0, start) in
622 let skipped_txt,_ = MatitaGtkMisc.utf8_parsed_text unparsed_text floc in
623 let floc = HExtlib.floc_of_loc (0, stop) in
624 let txt,len = MatitaGtkMisc.utf8_parsed_text unparsed_text floc in
625 txt,nonskipped_txt,skipped_txt,len
628 | GrafiteParser.LNone loc ->
629 let parsed_text, _, _, parsed_text_length = text_of_loc loc in
630 [(grafite_status,lexicon_status),parsed_text],"",
632 | GrafiteParser.LSome (GrafiteAst.Comment (loc, _)) ->
633 let parsed_text, _, _, parsed_text_length = text_of_loc loc in
634 let remain_len = String.length unparsed_text - parsed_text_length in
635 let s = String.sub unparsed_text parsed_text_length remain_len in
638 eval_statement include_paths buffer guistuff lexicon_status
639 grafite_status user_goal script (`Raw s)
641 HExtlib.Localized (floc, exn) ->
642 HExtlib.raise_localized_exception
643 ~offset:(MatitaGtkMisc.utf8_string_length parsed_text) floc exn
644 | MultiPassDisambiguator.DisambiguationError (offset,errorll) ->
646 (MultiPassDisambiguator.DisambiguationError
647 (offset+parsed_text_length, errorll))
649 assert (text=""); (* no macros inside comments, please! *)
651 | (statuses,text)::tl ->
652 (statuses,parsed_text ^ text)::tl,"",parsed_text_length + len
654 | GrafiteParser.LSome (GrafiteAst.Executable (loc, ex)) ->
655 let _, nonskipped, skipped, parsed_text_length =
658 eval_executable include_paths buffer guistuff lexicon_status
659 grafite_status user_goal unparsed_text skipped nonskipped script ex loc
661 let fresh_script_id =
665 class script ~(source_view: GSourceView.source_view)
666 ~(mathviewer: MatitaTypes.mathViewer)
671 let buffer = source_view#buffer in
672 let source_buffer = source_view#source_buffer in
673 let initial_statuses baseuri =
675 CicNotation2.load_notation ~include_paths:[]
676 BuildTimeConf.core_notation_script
678 let grafite_status = GrafiteSync.init baseuri in
679 grafite_status,lexicon_status
681 let read_include_paths file =
683 let root, _buri, _fname, _tgt =
684 Librarian.baseuri_of_script ~include_paths:[] file
687 Str.split (Str.regexp " ")
688 (List.assoc "include_paths" (Librarian.load_root_file (root^"/root")))
690 List.iter (HLog.debug) rc; rc
691 with Librarian.NoRootFor _ | Not_found -> []
693 let default_buri = "cic:/matita/tests" in
694 let default_fname = ".unnamed.ma" in
696 val mutable include_paths_ = []
698 val scriptId = fresh_script_id ()
701 mathviewer = mathviewer;
702 urichooser = urichooser;
703 ask_confirmation = ask_confirmation;
706 val mutable filename_ = (None : string option)
708 method has_name = filename_ <> None
710 method include_paths =
712 Helm_registry.get_list Helm_registry.string "matita.includes"
714 method private curdir =
716 let root, _buri, _fname, _tgt =
717 Librarian.baseuri_of_script ~include_paths:self#include_paths
721 with Librarian.NoRootFor _ -> Sys.getcwd ()
723 method buri_of_current_file =
725 | None -> default_buri
728 let _root, buri, _fname, _tgt =
729 Librarian.baseuri_of_script ~include_paths:self#include_paths f
732 with Librarian.NoRootFor _ -> default_buri
734 method filename = match filename_ with None -> default_fname | Some f -> f
737 ignore (GMain.Timeout.add ~ms:300000
738 ~callback:(fun _ -> self#_saveToBackupFile ();true));
739 ignore (buffer#connect#modified_changed
740 (fun _ -> set_star buffer#modified))
742 val mutable statements = [] (** executed statements *)
744 val mutable history = [ initial_statuses default_buri ]
745 (** list of states before having executed statements. Head element of this
746 * list is the current state, last element is the state at the beginning of
748 * Invariant: this list length is 1 + length of statements *)
750 (** goal as seen by the user (i.e. metano corresponding to current tab) *)
751 val mutable userGoal = None
753 (** text mark and tag representing locked part of a script *)
755 buffer#create_mark ~name:"locked" ~left_gravity:true buffer#start_iter
756 val beginning_of_statement_mark =
757 buffer#create_mark ~name:"beginning_of_statement"
758 ~left_gravity:true buffer#start_iter
759 val locked_tag = buffer#create_tag [`BACKGROUND "lightblue"; `EDITABLE false]
760 val error_tag = buffer#create_tag [`UNDERLINE `SINGLE; `FOREGROUND "red"]
762 method locked_mark = locked_mark
763 method locked_tag = locked_tag
764 method error_tag = error_tag
766 (* history can't be empty, the invariant above grant that it contains at
767 * least the init grafite_status *)
768 method grafite_status = match history with (s,_)::_ -> s | _ -> assert false
769 method lexicon_status = match history with (_,ss)::_ -> ss | _ -> assert false
771 method private _advance ?statement () =
772 let s = match statement with Some s -> s | None -> self#getFuture in
773 if self#bos then LibraryClean.clean_baseuris [self#buri_of_current_file];
774 HLog.debug ("evaluating: " ^ first_line s ^ " ...");
775 let entries, newtext, parsed_len =
777 eval_statement self#include_paths buffer guistuff self#lexicon_status
778 self#grafite_status userGoal self (`Raw s)
779 with End_of_file -> raise Margin
781 let new_statuses, new_statements =
782 let statuses, texts = List.split entries in
785 history <- new_statuses @ history;
786 statements <- new_statements @ statements;
787 let start = buffer#get_iter_at_mark (`MARK locked_mark) in
788 let new_text = String.concat "" (List.rev new_statements) in
789 if statement <> None then
790 buffer#insert ~iter:start new_text
792 let parsed_text = String.sub s 0 parsed_len in
793 if new_text <> parsed_text then begin
794 let stop = start#copy#forward_chars (Glib.Utf8.length parsed_text) in
795 buffer#delete ~start ~stop;
796 buffer#insert ~iter:start new_text;
799 self#moveMark (Glib.Utf8.length new_text);
800 buffer#insert ~iter:(buffer#get_iter_at_mark (`MARK locked_mark)) newtext;
801 (* here we need to set the Goal in case we are going to cursor (or to
802 bottom) and we will face a macro *)
803 match self#grafite_status.proof_status with
804 Incomplete_proof p ->
806 (try Some (Continuationals.Stack.find_goal p.stack)
807 with Failure _ -> None)
808 | _ -> userGoal <- None
810 method private _retract offset lexicon_status grafite_status new_statements
813 let cur_grafite_status,cur_lexicon_status =
814 match history with s::_ -> s | [] -> assert false
816 LexiconSync.time_travel ~present:cur_lexicon_status ~past:lexicon_status;
817 GrafiteSync.time_travel ~present:cur_grafite_status ~past:grafite_status;
818 statements <- new_statements;
819 history <- new_history;
820 self#moveMark (- offset)
822 method advance ?statement () =
824 self#_advance ?statement ();
827 | Margin -> self#notify
828 | Not_found -> assert false
829 | Invalid_argument "Array.make" -> HLog.error "The script is too big!\n"
830 | exc -> self#notify; raise exc
834 let cmp,new_statements,new_history,(grafite_status,lexicon_status) =
835 match statements,history with
836 stat::statements, _::(status::_ as history) ->
837 assert (Glib.Utf8.validate stat);
838 Glib.Utf8.length stat, statements, history, status
839 | [],[_] -> raise Margin
840 | _,_ -> assert false
842 self#_retract cmp lexicon_status grafite_status new_statements
846 | Margin -> self#notify
847 | Invalid_argument "Array.make" -> HLog.error "The script is too big!\n"
848 | exc -> self#notify; raise exc
850 method private getFuture =
851 let lock = buffer#get_iter_at_mark (`MARK locked_mark) in
852 let text = buffer#get_text ~start:lock ~stop:buffer#end_iter () in
855 method expandAllVirtuals =
856 let lock = buffer#get_iter_at_mark (`MARK locked_mark) in
857 let text = buffer#get_text ~start:lock ~stop:buffer#end_iter () in
858 buffer#delete ~start:lock ~stop:buffer#end_iter;
859 let text = Pcre.replace ~pat:":=" ~templ:"\\def" text in
860 let text = Pcre.replace ~pat:"->" ~templ:"\\to" text in
861 let text = Pcre.replace ~pat:"=>" ~templ:"\\Rightarrow" text in
863 Pcre.substitute_substrings
865 let pristine = Pcre.get_substring str 0 in
867 if pristine.[0] = ' ' then
868 String.sub pristine 1 (String.length pristine -1)
872 if input.[String.length input-1] = ' ' then
873 String.sub input 0 (String.length input -1)
877 if input = "\\forall" ||
878 input = "\\lambda" ||
879 input = "\\exists" then "","" else " ", " "
882 before ^ Glib.Utf8.from_unichar
883 (snd (Virtuals.symbol_of_virtual input)) ^ after
884 with Virtuals.Not_a_virtual -> pristine)
885 ~pat:" ?\\\\[a-zA-Z]+ ?" text
887 buffer#insert ~iter:lock text
889 (** @param rel_offset relative offset from current position of locked_mark *)
890 method private moveMark rel_offset =
891 let mark = `MARK locked_mark in
892 let old_insert = buffer#get_iter_at_mark `INSERT in
893 buffer#remove_tag locked_tag ~start:buffer#start_iter ~stop:buffer#end_iter;
894 let current_mark_pos = buffer#get_iter_at_mark mark in
896 match rel_offset with
897 | 0 -> current_mark_pos
898 | n when n > 0 -> current_mark_pos#forward_chars n
899 | n (* when n < 0 *) -> current_mark_pos#backward_chars (abs n)
901 buffer#move_mark mark ~where:new_mark_pos;
902 buffer#apply_tag locked_tag ~start:buffer#start_iter ~stop:new_mark_pos;
903 buffer#move_mark `INSERT old_insert;
904 let mark_position = buffer#get_iter_at_mark mark in
905 if source_view#move_mark_onscreen mark then
907 buffer#move_mark mark mark_position;
908 source_view#scroll_to_mark ~use_align:true ~xalign:1.0 ~yalign:0.1 mark;
910 while Glib.Main.pending () do ignore(Glib.Main.iteration false); done
912 method clean_dirty_lock =
913 let lock_mark_iter = buffer#get_iter_at_mark (`MARK locked_mark) in
914 buffer#remove_tag locked_tag ~start:buffer#start_iter ~stop:buffer#end_iter;
915 buffer#apply_tag locked_tag ~start:buffer#start_iter ~stop:lock_mark_iter
917 val mutable observers = []
919 method addObserver (o: LexiconEngine.status -> GrafiteTypes.status -> unit) =
920 observers <- o :: observers
922 method private notify =
923 let lexicon_status = self#lexicon_status in
924 let grafite_status = self#grafite_status in
925 List.iter (fun o -> o lexicon_status grafite_status) observers
927 method loadFromString s =
930 buffer#set_modified true
932 method loadFromFile f =
933 buffer#set_text (HExtlib.input_file f);
935 buffer#set_modified false
937 method assignFileName file =
940 | Some f -> Some (Librarian.absolutize f)
946 (match file with Some file -> read_include_paths file | None -> []);
948 Sys.chdir self#curdir;
949 HLog.debug ("Moving to " ^ Sys.getcwd ())
951 method saveToFile () =
952 if self#has_name then
953 let oc = open_out self#filename in
954 output_string oc (buffer#get_text ~start:buffer#start_iter
955 ~stop:buffer#end_iter ());
958 buffer#set_modified false
960 HLog.error "Can't save, no filename selected"
962 method private _saveToBackupFile () =
963 if buffer#modified then
965 let f = self#filename in
966 let oc = open_out f in
967 output_string oc (buffer#get_text ~start:buffer#start_iter
968 ~stop:buffer#end_iter ());
970 HLog.debug ("backup " ^ f ^ " saved")
973 method private goto_top =
974 let grafite_status,lexicon_status =
975 let rec last x = function
977 | hd::tl -> last hd tl
979 last (self#grafite_status,self#lexicon_status) history
981 (* FIXME: this is not correct since there is no undo for
982 * library_objects.set_default... *)
983 GrafiteSync.time_travel ~present:self#grafite_status ~past:grafite_status;
984 LexiconSync.time_travel ~present:self#lexicon_status ~past:lexicon_status
986 method private reset_buffer =
988 history <- [ initial_statuses self#buri_of_current_file ];
991 buffer#remove_tag locked_tag ~start:buffer#start_iter ~stop:buffer#end_iter;
992 buffer#move_mark (`MARK locked_mark) ~where:buffer#start_iter
996 source_buffer#begin_not_undoable_action ();
997 buffer#delete ~start:buffer#start_iter ~stop:buffer#end_iter;
998 source_buffer#end_not_undoable_action ();
999 buffer#set_modified false;
1001 method template () =
1002 let template = HExtlib.input_file BuildTimeConf.script_template in
1003 buffer#insert ~iter:(buffer#get_iter `START) template;
1004 buffer#set_modified false;
1007 method goto (pos: [`Top | `Bottom | `Cursor]) () =
1009 let old_locked_mark =
1011 (buffer#create_mark ~name:"old_locked_mark"
1012 ~left_gravity:true (buffer#get_iter_at_mark (`MARK locked_mark))) in
1013 let getpos _ = buffer#get_iter_at_mark (`MARK locked_mark) in
1014 let getoldpos _ = buffer#get_iter_at_mark old_locked_mark in
1015 let dispose_old_locked_mark () = buffer#delete_mark old_locked_mark in
1018 dispose_old_locked_mark ();
1024 let rec dowhile () =
1026 let newpos = getpos () in
1027 if (getoldpos ())#compare newpos < 0 then
1029 buffer#move_mark old_locked_mark newpos;
1034 dispose_old_locked_mark ();
1037 | Margin -> dispose_old_locked_mark (); self#notify
1038 | exc -> dispose_old_locked_mark (); self#notify; raise exc)
1040 let locked_iter () = buffer#get_iter_at_mark (`NAME "locked") in
1041 let cursor_iter () = buffer#get_iter_at_mark `INSERT in
1044 (buffer#create_mark ~name:"initial_insert"
1045 ~left_gravity:true (cursor_iter ())) in
1046 let dispose_remember () = buffer#delete_mark remember in
1047 let remember_iter () =
1048 buffer#get_iter_at_mark (`NAME "initial_insert") in
1049 let cmp () = (locked_iter ())#offset - (remember_iter ())#offset in
1050 let icmp = cmp () in
1051 let forward_until_cursor () = (* go forward until locked > cursor *)
1054 if cmp () < 0 && (getoldpos ())#compare (getpos ()) < 0
1057 buffer#move_mark old_locked_mark (getpos ());
1063 let rec back_until_cursor len = (* go backward until locked < cursor *)
1065 statements, ((grafite_status,lexicon_status)::_ as history)
1067 self#_retract (icmp - len) lexicon_status grafite_status statements
1069 | statement::tl1, _::tl2 ->
1070 back_until_cursor (len - MatitaGtkMisc.utf8_string_length statement) (tl1,tl2)
1071 | _,_ -> assert false
1075 if icmp < 0 then (* locked < cursor *)
1076 (forward_until_cursor (); self#notify)
1077 else if icmp > 0 then (* locked > cursor *)
1078 (back_until_cursor icmp (statements,history); self#notify)
1079 else (* cursor = locked *)
1082 dispose_remember ();
1083 dispose_old_locked_mark ();
1085 | Margin -> dispose_remember (); dispose_old_locked_mark (); self#notify
1086 | exc -> dispose_remember (); dispose_old_locked_mark ();
1087 self#notify; raise exc)
1088 with Invalid_argument "Array.make" ->
1089 HLog.error "The script is too big!\n"
1091 method onGoingProof () =
1092 match self#grafite_status.proof_status with
1093 | No_proof | Proof _ -> false
1094 | Incomplete_proof _ -> true
1095 | Intermediate _ -> assert false
1097 (* method proofStatus = MatitaTypes.get_proof_status self#status *)
1098 method proofMetasenv = GrafiteTypes.get_proof_metasenv self#grafite_status
1100 method proofContext =
1103 | Some n -> GrafiteTypes.get_proof_context self#grafite_status n
1105 method proofConclusion =
1107 None -> assert false
1109 GrafiteTypes.get_proof_conclusion self#grafite_status n
1111 method stack = GrafiteTypes.get_stack self#grafite_status
1112 method setGoal n = userGoal <- n
1113 method goal = userGoal
1121 let rec is_there_only_comments lexicon_status s =
1122 if Pcre.pmatch ~rex:only_dust_RE s then raise Margin;
1123 let lexicon_status,st =
1124 GrafiteParser.parse_statement (Ulexing.from_utf8_string s)
1125 ~include_paths:self#include_paths lexicon_status
1128 | GrafiteParser.LSome (GrafiteAst.Comment (loc,_)) ->
1129 let _,parsed_text_length = MatitaGtkMisc.utf8_parsed_text s loc in
1130 (* CSC: why +1 in the following lines ???? *)
1131 let parsed_text_length = parsed_text_length + 1 in
1132 let remain_len = String.length s - parsed_text_length in
1133 let next = String.sub s parsed_text_length remain_len in
1134 is_there_only_comments lexicon_status next
1135 | GrafiteParser.LNone _
1136 | GrafiteParser.LSome (GrafiteAst.Executable _) -> false
1139 is_there_only_comments self#lexicon_status self#getFuture
1141 | LexiconEngine.IncludedFileNotCompiled _
1142 | HExtlib.Localized _
1143 | CicNotationParser.Parse_error _ -> false
1144 | Margin | End_of_file -> true
1145 | Invalid_argument "Array.make" -> false
1149 HLog.debug "script status:";
1150 HLog.debug ("history size: " ^ string_of_int (List.length history));
1151 HLog.debug (sprintf "%d statements:" (List.length statements));
1152 List.iter HLog.debug statements;
1153 HLog.debug ("Current file name: " ^ self#filename);
1156 let _script = ref None
1158 let script ~source_view ~mathviewer ~urichooser ~ask_confirmation ~set_star ()
1161 ~source_view ~mathviewer ~ask_confirmation ~urichooser ~set_star ()
1166 let current () = match !_script with None -> assert false | Some s -> s