--- /dev/null
+(* Copyright (C) 2004-2005, HELM Team.
+ *
+ * This file is part of HELM, an Hypertextual, Electronic
+ * Library of Mathematics, developed at the Computer Science
+ * Department, University of Bologna, Italy.
+ *
+ * HELM is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * HELM is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with HELM; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+ * MA 02111-1307, USA.
+ *
+ * For details, see the HELM World-Wide-Web page,
+ * http://helm.cs.unibo.it/
+ *)
+
+(* $Id$ *)
+
+open Printf
+open GrafiteTypes
+
+module TA = GrafiteAst
+
+let debug = false
+let debug_print = if debug then prerr_endline else ignore
+
+ (** raised when one of the script margins (top or bottom) is reached *)
+exception Margin
+exception NoUnfinishedProof
+exception ActionCancelled of string
+
+let safe_substring s i j =
+ try String.sub s i j with Invalid_argument _ -> assert false
+
+let heading_nl_RE = Pcre.regexp "^\\s*\n\\s*"
+let heading_nl_RE' = Pcre.regexp "^(\\s*\n\\s*)"
+let only_dust_RE = Pcre.regexp "^(\\s|\n|%%[^\n]*\n)*$"
+let multiline_RE = Pcre.regexp "^\n[^\n]+$"
+let newline_RE = Pcre.regexp "\n"
+let comment_RE = Pcre.regexp "\\(\\*(.|\n)*\\*\\)\n?" ~flags:[`UNGREEDY]
+
+let comment str =
+ if Pcre.pmatch ~rex:multiline_RE str then
+ "\n(** " ^ (Pcre.replace ~rex:newline_RE str) ^ " *)"
+ else
+ "\n(**\n" ^ str ^ "\n*)"
+
+let strip_comments str =
+ Pcre.qreplace ~templ:"\n" ~pat:"\n\n" (Pcre.qreplace ~rex:comment_RE str)
+;;
+
+let first_line s =
+ let s = Pcre.replace ~rex:heading_nl_RE s in
+ try
+ let nl_pos = String.index s '\n' in
+ String.sub s 0 nl_pos
+ with Not_found -> s
+
+type guistuff = {
+ mathviewer:MatitaTypes.mathViewer;
+ urichooser: UriManager.uri list -> UriManager.uri list;
+ ask_confirmation: title:string -> message:string -> [`YES | `NO | `CANCEL];
+}
+
+let eval_with_engine include_paths guistuff lexicon_status grafite_status user_goal
+ skipped_txt nonskipped_txt st
+=
+ let module TAPp = GrafiteAstPp in
+ let module DTE = DisambiguateTypes.Environment in
+ let module DP = DisambiguatePp in
+ let parsed_text_length =
+ String.length skipped_txt + String.length nonskipped_txt
+ in
+ let text = skipped_txt ^ nonskipped_txt in
+ let prefix_len = MatitaGtkMisc.utf8_string_length skipped_txt in
+ let enriched_history_fragment =
+ MatitaEngine.eval_ast ~do_heavy_checks:(Helm_registry.get_bool
+ "matita.do_heavy_checks")
+ lexicon_status grafite_status (text,prefix_len,st)
+ in
+ let enriched_history_fragment = List.rev enriched_history_fragment in
+ (* really fragile *)
+ let res,_ =
+ List.fold_left
+ (fun (acc, to_prepend) (status,alias) ->
+ match alias with
+ | None -> (status,to_prepend ^ nonskipped_txt)::acc,""
+ | Some (k,((v,_) as value)) ->
+ let newtxt = DP.pp_environment (DTE.add k value DTE.empty) in
+ (status,to_prepend ^ newtxt ^ "\n")::acc, "")
+ ([],skipped_txt) enriched_history_fragment
+ in
+ res,"",parsed_text_length
+;;
+
+(* this function calls the parser in a way that it does not perform inclusions,
+ * so that we can ensure the inclusion is performed after the included file
+ * is compiled (if needed). matitac does not need that, since it compiles files
+ * in the good order, here files may be compiled on demand. *)
+let wrap_with_make include_paths (f : GrafiteParser.statement) x =
+ try
+ f ~never_include:true ~include_paths x
+ with
+ | GrafiteParser.NoInclusionPerformed mafilename ->
+ let root, buri, _, tgt =
+ try Librarian.baseuri_of_script ~include_paths mafilename
+ with Librarian.NoRootFor _ ->
+ HLog.error ("The included file '"^mafilename^"' has no root file,");
+ HLog.error "please create it.";
+ raise (Failure ("No root file for "^mafilename))
+ in
+ let initial_lexicon_status =
+ CicNotation2.load_notation ~include_paths:[] BuildTimeConf.core_notation_script
+ in
+ let b,x =
+ try
+ GrafiteSync.push ();
+ LexiconSync.time_travel ~present:x ~past:initial_lexicon_status;
+ let rc = MatitacLib.Make.make root [tgt] in
+ GrafiteSync.pop ();
+ CicNotation.reset ();
+ ignore(CicNotation2.load_notation ~include_paths:[]
+ BuildTimeConf.core_notation_script);
+ let x = List.fold_left (fun s c -> LexiconEngine.eval_command s c)
+ initial_lexicon_status (List.rev
+ x.LexiconEngine.lexicon_content_rev)
+ in
+ rc,x
+ with
+ | exn ->
+ HLog.error ("Unexpected " ^ snd(MatitaExcPp.to_string exn));
+ assert false
+ in
+ if b then
+ try f ~include_paths x with LexiconEngine.IncludedFileNotCompiled _ ->
+ raise
+ (Failure ("Including: "^tgt^
+ "\nNothing to do... did you run matitadep?"))
+ else raise (Failure ("Compiling: " ^ tgt))
+;;
+
+let pp_eager_statement_ast =
+ GrafiteAstPp.pp_statement ~term_pp:CicNotationPp.pp_term
+ ~lazy_term_pp:(fun _ -> assert false) ~obj_pp:(fun _ -> assert false)
+
+(* naive implementation of procedural proof script generation,
+ * starting from an applicatiove *auto generated) proof.
+ * this is out of place, but I like it :-P *)
+let cic2grafite context menv t =
+ (* indents a proof script in a stupid way, better than nothing *)
+ let stupid_indenter s =
+ let next s =
+ let idx_square_o = try String.index s '[' with Not_found -> -1 in
+ let idx_square_c = try String.index s ']' with Not_found -> -1 in
+ let idx_pipe = try String.index s '|' with Not_found -> -1 in
+ let tok =
+ List.sort (fun (i,_) (j,_) -> compare i j)
+ [idx_square_o,'[';idx_square_c,']';idx_pipe,'|']
+ in
+ let tok = List.filter (fun (i,_) -> i <> -1) tok in
+ match tok with
+ | (i,c)::_ -> Some (i,c)
+ | _ -> None
+ in
+ let break_apply n s =
+ let tab = String.make (n+1) ' ' in
+ Pcre.replace ~templ:(".\n" ^ tab ^ "apply") ~pat:"\\.apply" s
+ in
+ let rec ind n s =
+ match next s with
+ | None ->
+ s
+ | Some (position, char) ->
+ try
+ let s1, s2 =
+ String.sub s 0 position,
+ String.sub s (position+1) (String.length s - (position+1))
+ in
+ match char with
+ | '[' -> break_apply n s1 ^ "\n" ^ String.make (n+2) ' ' ^
+ "[" ^ ind (n+2) s2
+ | '|' -> break_apply n s1 ^ "\n" ^ String.make n ' ' ^
+ "|" ^ ind n s2
+ | ']' -> break_apply n s1 ^ "\n" ^ String.make n ' ' ^
+ "]" ^ ind (n-2) s2
+ | _ -> assert false
+ with
+ Invalid_argument err ->
+ prerr_endline err;
+ s
+ in
+ ind 0 s
+ in
+ let module PT = CicNotationPt in
+ let module GA = GrafiteAst in
+ let pp_t context t =
+ let names =
+ List.map (function Some (n,_) -> Some n | None -> None) context
+ in
+ CicPp.pp t names
+ in
+ let sort_of context t =
+ try
+ let ty,_ =
+ CicTypeChecker.type_of_aux' menv context t
+ CicUniv.oblivion_ugraph
+ in
+ let sort,_ = CicTypeChecker.type_of_aux' menv context ty
+ CicUniv.oblivion_ugraph
+ in
+ match sort with
+ | Cic.Sort Cic.Prop -> true
+ | _ -> false
+ with
+ CicTypeChecker.TypeCheckerFailure _ ->
+ HLog.error "auto proof to sript transformation error"; false
+ in
+ let floc = HExtlib.dummy_floc in
+ (* minimalisti cic.term -> pt.term *)
+ let print_term c t =
+ let rec aux c = function
+ | Cic.Rel _
+ | Cic.MutConstruct _
+ | Cic.MutInd _
+ | Cic.Const _ as t ->
+ PT.Ident (pp_t c t, None)
+ | Cic.Appl l -> PT.Appl (List.map (aux c) l)
+ | Cic.Implicit _ -> PT.Implicit
+ | Cic.Lambda (Cic.Name n, s, t) ->
+ PT.Binder (`Lambda, (PT.Ident (n,None), Some (aux c s)),
+ aux (Some (Cic.Name n, Cic.Decl s)::c) t)
+ | Cic.Prod (Cic.Name n, s, t) ->
+ PT.Binder (`Forall, (PT.Ident (n,None), Some (aux c s)),
+ aux (Some (Cic.Name n, Cic.Decl s)::c) t)
+ | Cic.LetIn (Cic.Name n, s, ty, t) ->
+ PT.Binder (`Lambda, (PT.Ident (n,None), Some (aux c s)),
+ aux (Some (Cic.Name n, Cic.Def (s,ty))::c) t)
+ | Cic.Meta _ -> PT.Implicit
+ | Cic.Sort (Cic.Type u) -> PT.Sort (`Type u)
+ | Cic.Sort Cic.Set -> PT.Sort `Set
+ | Cic.Sort Cic.CProp -> PT.Sort `CProp
+ | Cic.Sort Cic.Prop -> PT.Sort `Prop
+ | _ as t -> PT.Ident ("ERROR: "^CicPp.ppterm t, None)
+ in
+ aux c t
+ in
+ (* prints an applicative proof, that is an auto proof.
+ * don't use in the general case! *)
+ let rec print_proof context = function
+ | Cic.Rel _
+ | Cic.Const _ as t ->
+ [GA.Executable (floc,
+ GA.Tactic (floc,
+ Some (GA.Apply (floc, print_term context t)), GA.Dot floc))]
+ | Cic.Appl (he::tl) ->
+ let tl = List.map (fun t -> t, sort_of context t) tl in
+ let subgoals =
+ HExtlib.filter_map (function (t,true) -> Some t | _ -> None) tl
+ in
+ let args =
+ List.map (function | (t,true) -> Cic.Implicit None | (t,_) -> t) tl
+ in
+ if List.length subgoals > 1 then
+ (* branch *)
+ [GA.Executable (floc,
+ GA.Tactic (floc,
+ Some (GA.Apply (floc, print_term context (Cic.Appl (he::args)))),
+ GA.Semicolon floc))] @
+ [GA.Executable (floc, GA.Tactic (floc, None, GA.Branch floc))] @
+ (HExtlib.list_concat
+ ~sep:[GA.Executable (floc, GA.Tactic (floc, None,GA.Shift floc))]
+ (List.map (print_proof context) subgoals)) @
+ [GA.Executable (floc, GA.Tactic (floc, None,GA.Merge floc))]
+ else
+ (* simple apply *)
+ [GA.Executable (floc,
+ GA.Tactic (floc,
+ Some (GA.Apply
+ (floc, print_term context (Cic.Appl (he::args)) )), GA.Dot floc))]
+ @
+ (match subgoals with
+ | [] -> []
+ | [x] -> print_proof context x
+ | _ -> assert false)
+ | Cic.Lambda (Cic.Name n, ty, bo) ->
+ [GA.Executable (floc,
+ GA.Tactic (floc,
+ Some (GA.Cut (floc, Some n, (print_term context ty))),
+ GA.Branch floc))] @
+ (print_proof (Some (Cic.Name n, Cic.Decl ty)::context) bo) @
+ [GA.Executable (floc, GA.Tactic (floc, None,GA.Shift floc))] @
+ [GA.Executable (floc, GA.Tactic (floc,
+ Some (GA.Assumption floc),GA.Merge floc))]
+ | _ -> []
+ (*
+ debug_print (lazy (CicPp.ppterm t));
+ assert false
+ *)
+ in
+ (* performs a lambda closure of the proof term abstracting metas.
+ * this is really an approximation of a closure, local subst of metas
+ * is not kept into account *)
+ let close_pt menv context t =
+ let metas = CicUtil.metas_of_term t in
+ let metas =
+ HExtlib.list_uniq ~eq:(fun (i,_) (j,_) -> i = j)
+ (List.sort (fun (i,_) (j,_) -> compare i j) metas)
+ in
+ let mk_rels_and_collapse_metas metas =
+ let rec aux i map acc acc1 = function
+ | [] -> acc, acc1, map
+ | (j,_ as m)::tl ->
+ let _,_,ty = CicUtil.lookup_meta j menv in
+ try
+ let n = List.assoc ty map in
+ aux i map (Cic.Rel n :: acc) (m::acc1) tl
+ with Not_found ->
+ let map = (ty, i)::map in
+ aux (i+1) map (Cic.Rel i :: acc) (m::acc1) tl
+ in
+ aux 1 [] [] [] metas
+ in
+ let rels, metas, map = mk_rels_and_collapse_metas metas in
+ let n_lambdas = List.length map in
+ let t =
+ if metas = [] then
+ t
+ else
+ let t =
+ ProofEngineReduction.replace_lifting
+ ~what:(List.map (fun (x,_) -> Cic.Meta (x,[])) metas)
+ ~with_what:rels
+ ~context:context
+ ~equality:(fun _ x y ->
+ match x,y with
+ | Cic.Meta(i,_), Cic.Meta(j,_) when i=j -> true
+ | _ -> false)
+ ~where:(CicSubstitution.lift n_lambdas t)
+ in
+ let rec mk_lam = function
+ | [] -> t
+ | (ty,n)::tl ->
+ let name = "fresh_"^ string_of_int n in
+ Cic.Lambda (Cic.Name name, ty, mk_lam tl)
+ in
+ mk_lam
+ (fst (List.fold_left
+ (fun (l,liftno) (ty,_) ->
+ (l @ [CicSubstitution.lift liftno ty,liftno] , liftno+1))
+ ([],0) map))
+ in
+ t
+ in
+ let ast = print_proof context (close_pt menv context t) in
+ let pp t =
+ (* ZACK: setting width to 80 will trigger a bug of BoxPp.render_to_string
+ * which will show up using the following command line:
+ * ./tptp2grafite -tptppath ~tassi/TPTP-v3.1.1 GRP170-1 *)
+ let width = max_int in
+ let term_pp content_term =
+ let pres_term = TermContentPres.pp_ast content_term in
+ let dummy_tbl = Hashtbl.create 1 in
+ let markup = CicNotationPres.render dummy_tbl pres_term in
+ let s = "(" ^ BoxPp.render_to_string
+ ~map_unicode_to_tex:(Helm_registry.get_bool
+ "matita.paste_unicode_as_tex")
+ List.hd width markup ^ ")" in
+ Pcre.substitute
+ ~pat:"\\\\forall [Ha-z][a-z0-9_]*" ~subst:(fun x -> "\n" ^ x) s
+ in
+ CicNotationPp.set_pp_term term_pp;
+ let lazy_term_pp = fun x -> assert false in
+ let obj_pp = CicNotationPp.pp_obj CicNotationPp.pp_term in
+ GrafiteAstPp.pp_statement
+ ~map_unicode_to_tex:(Helm_registry.get_bool
+ "matita.paste_unicode_as_tex")
+ ~term_pp ~lazy_term_pp ~obj_pp t
+ in
+ let script = String.concat "" (List.map pp ast) in
+ prerr_endline script;
+ stupid_indenter script
+;;
+
+let rec eval_macro include_paths (buffer : GText.buffer) guistuff lexicon_status grafite_status user_goal unparsed_text parsed_text script mac =
+ let module TAPp = GrafiteAstPp in
+ let module MQ = MetadataQuery in
+ let module MDB = LibraryDb in
+ let module CTC = CicTypeChecker in
+ let module CU = CicUniv in
+ (* no idea why ocaml wants this *)
+ let parsed_text_length = String.length parsed_text in
+ let dbd = LibraryDb.instance () in
+ let pp_macro =
+ let f t = ProofEngineReduction.replace
+ ~equality:(fun _ t -> match t with Cic.Meta _ -> true | _ -> false)
+ ~what:[()] ~with_what:[Cic.Implicit None] ~where:t
+ in
+ let metasenv = GrafiteTypes.get_proof_metasenv grafite_status in
+ TAPp.pp_macro
+ ~term_pp:(fun x ->
+ ApplyTransformation.txt_of_cic_term max_int metasenv [] (f x)
+ ~map_unicode_to_tex:(Helm_registry.get_bool
+ "matita.paste_unicode_as_tex"))
+ in
+ match mac with
+ (* WHELP's stuff *)
+ | TA.WMatch (loc, term) ->
+ let l = Whelp.match_term ~dbd term in
+ let entry = `Whelp (pp_macro mac, l) in
+ guistuff.mathviewer#show_uri_list ~reuse:true ~entry l;
+ [], "", parsed_text_length
+ | TA.WInstance (loc, term) ->
+ let l = Whelp.instance ~dbd term in
+ let entry = `Whelp (pp_macro mac, l) in
+ guistuff.mathviewer#show_uri_list ~reuse:true ~entry l;
+ [], "", parsed_text_length
+ | TA.WLocate (loc, s) ->
+ let l = Whelp.locate ~dbd s in
+ let entry = `Whelp (pp_macro mac, l) in
+ guistuff.mathviewer#show_uri_list ~reuse:true ~entry l;
+ [], "", parsed_text_length
+ | TA.WElim (loc, term) ->
+ let uri =
+ match term with
+ | Cic.MutInd (uri,n,_) -> UriManager.uri_of_uriref uri n None
+ | _ -> failwith "Not a MutInd"
+ in
+ let l = Whelp.elim ~dbd uri in
+ let entry = `Whelp (pp_macro mac, l) in
+ guistuff.mathviewer#show_uri_list ~reuse:true ~entry l;
+ [], "", parsed_text_length
+ | TA.WHint (loc, term) ->
+ let _subst = [] in
+ let s = ((None,[0,[],term], _subst, Cic.Meta (0,[]) ,term, []),0) in
+ let l = List.map fst (MQ.experimental_hint ~dbd s) in
+ let entry = `Whelp (pp_macro mac, l) in
+ guistuff.mathviewer#show_uri_list ~reuse:true ~entry l;
+ [], "", parsed_text_length
+ (* REAL macro *)
+ | TA.Hint (loc, rewrite) ->
+ let user_goal' =
+ match user_goal with
+ Some n -> n
+ | None -> raise NoUnfinishedProof
+ in
+ let proof = GrafiteTypes.get_current_proof grafite_status in
+ let proof_status = proof,user_goal' in
+ if rewrite then
+ let l = MQ.equations_for_goal ~dbd proof_status in
+ let l = List.filter (fun u -> not (LibraryObjects.in_eq_URIs u)) l in
+ let entry = `Whelp (pp_macro (TA.WHint(loc, Cic.Implicit None)), l) in
+ guistuff.mathviewer#show_uri_list ~reuse:true ~entry l;
+ [], "", parsed_text_length
+ else
+ let l = List.map fst (MQ.experimental_hint ~dbd proof_status) in
+ let selected = guistuff.urichooser l in
+ (match selected with
+ | [] -> [], "", parsed_text_length
+ | [uri] ->
+ let suri = UriManager.string_of_uri uri in
+ let ast loc =
+ TA.Executable (loc, (TA.Tactic (loc,
+ Some (TA.Apply (loc, CicNotationPt.Uri (suri, None))),
+ TA.Dot loc))) in
+ let text =
+ comment parsed_text ^ "\n" ^
+ pp_eager_statement_ast (ast HExtlib.dummy_floc)
+ ~map_unicode_to_tex:(Helm_registry.get_bool
+ "matita.paste_unicode_as_tex")
+ in
+ let text_len = MatitaGtkMisc.utf8_string_length text in
+ let loc = HExtlib.floc_of_loc (0,text_len) in
+ let statement = `Ast (GrafiteParser.LSome (ast loc),text) in
+ let res,_,_parsed_text_len =
+ eval_statement include_paths buffer guistuff lexicon_status
+ grafite_status user_goal script statement
+ in
+ (* we need to replace all the parsed_text *)
+ res,"",String.length parsed_text
+ | _ ->
+ HLog.error
+ "The result of the urichooser should be only 1 uri, not:\n";
+ List.iter (
+ fun u -> HLog.error (UriManager.string_of_uri u ^ "\n")
+ ) selected;
+ assert false)
+ | TA.Check (_,term) ->
+ let metasenv = GrafiteTypes.get_proof_metasenv grafite_status in
+ let context =
+ match user_goal with
+ None -> []
+ | Some n -> GrafiteTypes.get_proof_context grafite_status n in
+ let ty,_ = CTC.type_of_aux' metasenv context term CicUniv.empty_ugraph in
+ let t_and_ty = Cic.Cast (term,ty) in
+ guistuff.mathviewer#show_entry (`Cic (t_and_ty,metasenv));
+ [], "", parsed_text_length
+ | TA.AutoInteractive (_, params) ->
+ let user_goal' =
+ match user_goal with
+ Some n -> n
+ | None -> raise NoUnfinishedProof
+ in
+ let proof = GrafiteTypes.get_current_proof grafite_status in
+ let proof_status = proof,user_goal' in
+ (try
+ let _,menv,_,_,_,_ = proof in
+ let i,cc,ty = CicUtil.lookup_meta user_goal' menv in
+ let timestamp = Unix.gettimeofday () in
+ let (_,menv,subst,_,_,_), _ =
+ ProofEngineTypes.apply_tactic
+ (Auto.auto_tac ~dbd ~params
+ ~universe:grafite_status.GrafiteTypes.universe) proof_status
+ in
+ let proof_term =
+ let irl =
+ CicMkImplicit.identity_relocation_list_for_metavariable cc
+ in
+ CicMetaSubst.apply_subst subst (Cic.Meta (i,irl))
+ in
+ let time = Unix.gettimeofday () -. timestamp in
+ let size, depth = Auto.size_and_depth cc menv proof_term in
+ let trailer =
+ Printf.sprintf
+ "\n(* end auto(%s) proof: TIME=%4.2f SIZE=%d DEPTH=%d *)"
+ Auto.revision time size depth
+ in
+ let proof_script =
+ if List.exists (fun (s,_) -> s = "paramodulation") (snd params) then
+ let proof_term, how_many_lambdas =
+ Auto.lambda_close ~prefix_name:"orrible_hack_"
+ proof_term menv cc
+ in
+ let ty,_ =
+ CicTypeChecker.type_of_aux'
+ menv [] proof_term CicUniv.empty_ugraph
+ in
+ prerr_endline (CicPp.ppterm proof_term);
+ (* use declarative output *)
+ let obj =
+ (* il proof_term vive in cc, devo metterci i lambda no? *)
+ (Cic.CurrentProof ("xxx",menv,proof_term,ty,[],[]))
+ in
+ ApplyTransformation.txt_of_cic_object
+ ~map_unicode_to_tex:(Helm_registry.get_bool
+ "matita.paste_unicode_as_tex")
+ ~skip_thm_and_qed:true
+ ~skip_initial_lambdas:how_many_lambdas
+ 80 GrafiteAst.Declarative "" obj
+ else
+ if true then
+ (* use cic2grafite *)
+ cic2grafite cc menv proof_term
+ else
+ (* alternative using FG stuff *)
+ let proof_term, how_many_lambdas =
+ Auto.lambda_close ~prefix_name:"orrible_hack_"
+ proof_term menv cc
+ in
+ let ty,_ =
+ CicTypeChecker.type_of_aux'
+ menv [] proof_term CicUniv.empty_ugraph
+ in
+ let obj =
+ Cic.Constant ("",Some proof_term, ty, [], [`Flavour `Lemma])
+ in
+ Pcre.qreplace ~templ:"?" ~pat:"orrible_hack_[0-9]+"
+ (strip_comments
+ (ApplyTransformation.txt_of_cic_object
+ ~map_unicode_to_tex:(Helm_registry.get_bool
+ "matita.paste_unicode_as_tex")
+ ~skip_thm_and_qed:true
+ ~skip_initial_lambdas:how_many_lambdas
+ 80 (GrafiteAst.Procedural None) "" obj))
+ in
+ let text = comment parsed_text ^ "\n" ^ proof_script ^ trailer in
+ [],text,parsed_text_length
+ with
+ ProofEngineTypes.Fail _ as exn ->
+ raise exn
+ (* [], comment parsed_text ^ "\nfail.\n", parsed_text_length *))
+ | TA.Inline (_,style,suri,prefix) ->
+ let str =
+ ApplyTransformation.txt_of_inline_macro
+ ~map_unicode_to_tex:(Helm_registry.get_bool
+ "matita.paste_unicode_as_tex")
+ style suri prefix
+ in
+ [], str, String.length parsed_text
+
+and eval_executable include_paths (buffer : GText.buffer) guistuff
+lexicon_status grafite_status user_goal unparsed_text skipped_txt nonskipped_txt
+script ex loc
+=
+ let module TAPp = GrafiteAstPp in
+ let module MD = GrafiteDisambiguator in
+ let module ML = MatitaMisc in
+ try
+ ignore (buffer#move_mark (`NAME "beginning_of_statement")
+ ~where:((buffer#get_iter_at_mark (`NAME "locked"))#forward_chars
+ (Glib.Utf8.length skipped_txt))) ;
+ eval_with_engine include_paths
+ guistuff lexicon_status grafite_status user_goal skipped_txt nonskipped_txt
+ (TA.Executable (loc, ex))
+ with
+ MatitaTypes.Cancel -> [], "", 0
+ | GrafiteEngine.Macro (_loc,lazy_macro) ->
+ let context =
+ match user_goal with
+ None -> []
+ | Some n -> GrafiteTypes.get_proof_context grafite_status n in
+ let grafite_status,macro = lazy_macro context in
+ eval_macro include_paths buffer guistuff lexicon_status grafite_status
+ user_goal unparsed_text (skipped_txt ^ nonskipped_txt) script macro
+
+and eval_statement include_paths (buffer : GText.buffer) guistuff lexicon_status
+ grafite_status user_goal script statement
+=
+ let (lexicon_status,st), unparsed_text =
+ match statement with
+ | `Raw text ->
+ if Pcre.pmatch ~rex:only_dust_RE text then raise Margin;
+ let ast =
+ wrap_with_make include_paths
+ (GrafiteParser.parse_statement (Ulexing.from_utf8_string text)) lexicon_status
+ in
+ ast, text
+ | `Ast (st, text) -> (lexicon_status, st), text
+ in
+ let text_of_loc floc =
+ let nonskipped_txt,_ = MatitaGtkMisc.utf8_parsed_text unparsed_text floc in
+ let start, stop = HExtlib.loc_of_floc floc in
+ let floc = HExtlib.floc_of_loc (0, start) in
+ let skipped_txt,_ = MatitaGtkMisc.utf8_parsed_text unparsed_text floc in
+ let floc = HExtlib.floc_of_loc (0, stop) in
+ let txt,len = MatitaGtkMisc.utf8_parsed_text unparsed_text floc in
+ txt,nonskipped_txt,skipped_txt,len
+ in
+ match st with
+ | GrafiteParser.LNone loc ->
+ let parsed_text, _, _, parsed_text_length = text_of_loc loc in
+ [(grafite_status,lexicon_status),parsed_text],"",
+ parsed_text_length
+ | GrafiteParser.LSome (GrafiteAst.Comment (loc, _)) ->
+ let parsed_text, _, _, parsed_text_length = text_of_loc loc in
+ let remain_len = String.length unparsed_text - parsed_text_length in
+ let s = String.sub unparsed_text parsed_text_length remain_len in
+ let s,text,len =
+ try
+ eval_statement include_paths buffer guistuff lexicon_status
+ grafite_status user_goal script (`Raw s)
+ with
+ HExtlib.Localized (floc, exn) ->
+ HExtlib.raise_localized_exception
+ ~offset:(MatitaGtkMisc.utf8_string_length parsed_text) floc exn
+ | GrafiteDisambiguator.DisambiguationError (offset,errorll) ->
+ raise
+ (GrafiteDisambiguator.DisambiguationError
+ (offset+parsed_text_length, errorll))
+ in
+ assert (text=""); (* no macros inside comments, please! *)
+ (match s with
+ | (statuses,text)::tl ->
+ (statuses,parsed_text ^ text)::tl,"",parsed_text_length + len
+ | [] -> [], "", 0)
+ | GrafiteParser.LSome (GrafiteAst.Executable (loc, ex)) ->
+ let _, nonskipped, skipped, parsed_text_length =
+ text_of_loc loc
+ in
+ eval_executable include_paths buffer guistuff lexicon_status
+ grafite_status user_goal unparsed_text skipped nonskipped script ex loc
+
+let fresh_script_id =
+ let i = ref 0 in
+ fun () -> incr i; !i
+
+class script ~(source_view: GSourceView.source_view)
+ ~(mathviewer: MatitaTypes.mathViewer)
+ ~set_star
+ ~ask_confirmation
+ ~urichooser
+ () =
+let buffer = source_view#buffer in
+let source_buffer = source_view#source_buffer in
+let initial_statuses baseuri =
+ let lexicon_status =
+ CicNotation2.load_notation ~include_paths:[]
+ BuildTimeConf.core_notation_script
+ in
+ let grafite_status = GrafiteSync.init baseuri in
+ grafite_status,lexicon_status
+in
+let read_include_paths file =
+ try
+ let root, _buri, _fname, _tgt =
+ Librarian.baseuri_of_script ~include_paths:[] file
+ in
+ let rc =
+ Str.split (Str.regexp " ")
+ (List.assoc "include_paths" (Librarian.load_root_file (root^"/root")))
+ in
+ List.iter (HLog.debug) rc; rc
+ with Librarian.NoRootFor _ | Not_found -> []
+in
+let default_buri = "cic:/matita/tests" in
+let default_fname = ".unnamed.ma" in
+object (self)
+ val mutable include_paths_ = []
+
+ val scriptId = fresh_script_id ()
+
+ val guistuff = {
+ mathviewer = mathviewer;
+ urichooser = urichooser;
+ ask_confirmation = ask_confirmation;
+ }
+
+ val mutable filename_ = (None : string option)
+
+ method has_name = filename_ <> None
+
+ method include_paths =
+ include_paths_ @
+ Helm_registry.get_list Helm_registry.string "matita.includes"
+
+ method private curdir =
+ try
+ let root, _buri, _fname, _tgt =
+ Librarian.baseuri_of_script ~include_paths:self#include_paths
+ self#filename
+ in
+ root
+ with Librarian.NoRootFor _ -> Sys.getcwd ()
+
+ method buri_of_current_file =
+ match filename_ with
+ | None -> default_buri
+ | Some f ->
+ try
+ let _root, buri, _fname, _tgt =
+ Librarian.baseuri_of_script ~include_paths:self#include_paths f
+ in
+ buri
+ with Librarian.NoRootFor _ -> default_buri
+
+ method filename = match filename_ with None -> default_fname | Some f -> f
+
+ initializer
+ ignore (GMain.Timeout.add ~ms:300000
+ ~callback:(fun _ -> self#_saveToBackupFile ();true));
+ ignore (buffer#connect#modified_changed
+ (fun _ -> set_star buffer#modified))
+
+ val mutable statements = [] (** executed statements *)
+
+ val mutable history = [ initial_statuses default_buri ]
+ (** list of states before having executed statements. Head element of this
+ * list is the current state, last element is the state at the beginning of
+ * the script.
+ * Invariant: this list length is 1 + length of statements *)
+
+ (** goal as seen by the user (i.e. metano corresponding to current tab) *)
+ val mutable userGoal = None
+
+ (** text mark and tag representing locked part of a script *)
+ val locked_mark =
+ buffer#create_mark ~name:"locked" ~left_gravity:true buffer#start_iter
+ val beginning_of_statement_mark =
+ buffer#create_mark ~name:"beginning_of_statement"
+ ~left_gravity:true buffer#start_iter
+ val locked_tag = buffer#create_tag [`BACKGROUND "lightblue"; `EDITABLE false]
+ val error_tag = buffer#create_tag [`UNDERLINE `SINGLE; `FOREGROUND "red"]
+
+ method locked_mark = locked_mark
+ method locked_tag = locked_tag
+ method error_tag = error_tag
+
+ (* history can't be empty, the invariant above grant that it contains at
+ * least the init grafite_status *)
+ method grafite_status = match history with (s,_)::_ -> s | _ -> assert false
+ method lexicon_status = match history with (_,ss)::_ -> ss | _ -> assert false
+
+ method private _advance ?statement () =
+ let s = match statement with Some s -> s | None -> self#getFuture in
+ if self#bos then LibraryClean.clean_baseuris [self#buri_of_current_file];
+ HLog.debug ("evaluating: " ^ first_line s ^ " ...");
+ let entries, newtext, parsed_len =
+ try
+ eval_statement self#include_paths buffer guistuff self#lexicon_status
+ self#grafite_status userGoal self (`Raw s)
+ with End_of_file -> raise Margin
+ in
+ let new_statuses, new_statements =
+ let statuses, texts = List.split entries in
+ statuses, texts
+ in
+ history <- new_statuses @ history;
+ statements <- new_statements @ statements;
+ let start = buffer#get_iter_at_mark (`MARK locked_mark) in
+ let new_text = String.concat "" (List.rev new_statements) in
+ if statement <> None then
+ buffer#insert ~iter:start new_text
+ else begin
+ let parsed_text = String.sub s 0 parsed_len in
+ if new_text <> parsed_text then begin
+ let stop = start#copy#forward_chars (Glib.Utf8.length parsed_text) in
+ buffer#delete ~start ~stop;
+ buffer#insert ~iter:start new_text;
+ end;
+ end;
+ self#moveMark (Glib.Utf8.length new_text);
+ buffer#insert ~iter:(buffer#get_iter_at_mark (`MARK locked_mark)) newtext;
+ (* here we need to set the Goal in case we are going to cursor (or to
+ bottom) and we will face a macro *)
+ match self#grafite_status.proof_status with
+ Incomplete_proof p ->
+ userGoal <-
+ (try Some (Continuationals.Stack.find_goal p.stack)
+ with Failure _ -> None)
+ | _ -> userGoal <- None
+
+ method private _retract offset lexicon_status grafite_status new_statements
+ new_history
+ =
+ let cur_grafite_status,cur_lexicon_status =
+ match history with s::_ -> s | [] -> assert false
+ in
+ LexiconSync.time_travel ~present:cur_lexicon_status ~past:lexicon_status;
+ GrafiteSync.time_travel ~present:cur_grafite_status ~past:grafite_status;
+ statements <- new_statements;
+ history <- new_history;
+ self#moveMark (- offset)
+
+ method advance ?statement () =
+ try
+ self#_advance ?statement ();
+ self#notify
+ with
+ | Margin -> self#notify
+ | Not_found -> assert false
+ | Invalid_argument "Array.make" -> HLog.error "The script is too big!\n"
+ | exc -> self#notify; raise exc
+
+ method retract () =
+ try
+ let cmp,new_statements,new_history,(grafite_status,lexicon_status) =
+ match statements,history with
+ stat::statements, _::(status::_ as history) ->
+ assert (Glib.Utf8.validate stat);
+ Glib.Utf8.length stat, statements, history, status
+ | [],[_] -> raise Margin
+ | _,_ -> assert false
+ in
+ self#_retract cmp lexicon_status grafite_status new_statements
+ new_history;
+ self#notify
+ with
+ | Margin -> self#notify
+ | Invalid_argument "Array.make" -> HLog.error "The script is too big!\n"
+ | exc -> self#notify; raise exc
+
+ method private getFuture =
+ buffer#get_text ~start:(buffer#get_iter_at_mark (`MARK locked_mark))
+ ~stop:buffer#end_iter ()
+
+
+ (** @param rel_offset relative offset from current position of locked_mark *)
+ method private moveMark rel_offset =
+ let mark = `MARK locked_mark in
+ let old_insert = buffer#get_iter_at_mark `INSERT in
+ buffer#remove_tag locked_tag ~start:buffer#start_iter ~stop:buffer#end_iter;
+ let current_mark_pos = buffer#get_iter_at_mark mark in
+ let new_mark_pos =
+ match rel_offset with
+ | 0 -> current_mark_pos
+ | n when n > 0 -> current_mark_pos#forward_chars n
+ | n (* when n < 0 *) -> current_mark_pos#backward_chars (abs n)
+ in
+ buffer#move_mark mark ~where:new_mark_pos;
+ buffer#apply_tag locked_tag ~start:buffer#start_iter ~stop:new_mark_pos;
+ buffer#move_mark `INSERT old_insert;
+ let mark_position = buffer#get_iter_at_mark mark in
+ if source_view#move_mark_onscreen mark then
+ begin
+ buffer#move_mark mark mark_position;
+ source_view#scroll_to_mark ~use_align:true ~xalign:1.0 ~yalign:0.1 mark;
+ end;
+ while Glib.Main.pending () do ignore(Glib.Main.iteration false); done
+
+ method clean_dirty_lock =
+ let lock_mark_iter = buffer#get_iter_at_mark (`MARK locked_mark) in
+ buffer#remove_tag locked_tag ~start:buffer#start_iter ~stop:buffer#end_iter;
+ buffer#apply_tag locked_tag ~start:buffer#start_iter ~stop:lock_mark_iter
+
+ val mutable observers = []
+
+ method addObserver (o: LexiconEngine.status -> GrafiteTypes.status -> unit) =
+ observers <- o :: observers
+
+ method private notify =
+ let lexicon_status = self#lexicon_status in
+ let grafite_status = self#grafite_status in
+ List.iter (fun o -> o lexicon_status grafite_status) observers
+
+ method loadFromString s =
+ buffer#set_text s;
+ self#reset_buffer;
+ buffer#set_modified true
+
+ method loadFromFile f =
+ buffer#set_text (HExtlib.input_file f);
+ self#reset_buffer;
+ buffer#set_modified false
+
+ method assignFileName file =
+ let file =
+ match file with
+ | Some f -> Some (Librarian.absolutize f)
+ | None -> None
+ in
+ self#goto_top;
+ filename_ <- file;
+ include_paths_ <-
+ (match file with Some file -> read_include_paths file | None -> []);
+ self#reset_buffer;
+ Sys.chdir self#curdir;
+ HLog.debug ("Moving to " ^ Sys.getcwd ())
+
+ method saveToFile () =
+ if self#has_name then
+ let oc = open_out self#filename in
+ output_string oc (buffer#get_text ~start:buffer#start_iter
+ ~stop:buffer#end_iter ());
+ close_out oc;
+ set_star false;
+ buffer#set_modified false
+ else
+ HLog.error "Can't save, no filename selected"
+
+ method private _saveToBackupFile () =
+ if buffer#modified then
+ begin
+ let f = self#filename in
+ let oc = open_out f in
+ output_string oc (buffer#get_text ~start:buffer#start_iter
+ ~stop:buffer#end_iter ());
+ close_out oc;
+ HLog.debug ("backup " ^ f ^ " saved")
+ end
+
+ method private goto_top =
+ let grafite_status,lexicon_status =
+ let rec last x = function
+ | [] -> x
+ | hd::tl -> last hd tl
+ in
+ last (self#grafite_status,self#lexicon_status) history
+ in
+ (* FIXME: this is not correct since there is no undo for
+ * library_objects.set_default... *)
+ GrafiteSync.time_travel ~present:self#grafite_status ~past:grafite_status;
+ LexiconSync.time_travel ~present:self#lexicon_status ~past:lexicon_status
+
+ method private reset_buffer =
+ statements <- [];
+ history <- [ initial_statuses self#buri_of_current_file ];
+ userGoal <- None;
+ self#notify;
+ buffer#remove_tag locked_tag ~start:buffer#start_iter ~stop:buffer#end_iter;
+ buffer#move_mark (`MARK locked_mark) ~where:buffer#start_iter
+
+ method reset () =
+ self#reset_buffer;
+ source_buffer#begin_not_undoable_action ();
+ buffer#delete ~start:buffer#start_iter ~stop:buffer#end_iter;
+ source_buffer#end_not_undoable_action ();
+ buffer#set_modified false;
+
+ method template () =
+ let template = HExtlib.input_file BuildTimeConf.script_template in
+ buffer#insert ~iter:(buffer#get_iter `START) template;
+ buffer#set_modified false;
+ set_star false
+
+ method goto (pos: [`Top | `Bottom | `Cursor]) () =
+ try
+ let old_locked_mark =
+ `MARK
+ (buffer#create_mark ~name:"old_locked_mark"
+ ~left_gravity:true (buffer#get_iter_at_mark (`MARK locked_mark))) in
+ let getpos _ = buffer#get_iter_at_mark (`MARK locked_mark) in
+ let getoldpos _ = buffer#get_iter_at_mark old_locked_mark in
+ let dispose_old_locked_mark () = buffer#delete_mark old_locked_mark in
+ match pos with
+ | `Top ->
+ dispose_old_locked_mark ();
+ self#goto_top;
+ self#reset_buffer;
+ self#notify
+ | `Bottom ->
+ (try
+ let rec dowhile () =
+ self#_advance ();
+ let newpos = getpos () in
+ if (getoldpos ())#compare newpos < 0 then
+ begin
+ buffer#move_mark old_locked_mark newpos;
+ dowhile ()
+ end
+ in
+ dowhile ();
+ dispose_old_locked_mark ();
+ self#notify
+ with
+ | Margin -> dispose_old_locked_mark (); self#notify
+ | exc -> dispose_old_locked_mark (); self#notify; raise exc)
+ | `Cursor ->
+ let locked_iter () = buffer#get_iter_at_mark (`NAME "locked") in
+ let cursor_iter () = buffer#get_iter_at_mark `INSERT in
+ let remember =
+ `MARK
+ (buffer#create_mark ~name:"initial_insert"
+ ~left_gravity:true (cursor_iter ())) in
+ let dispose_remember () = buffer#delete_mark remember in
+ let remember_iter () =
+ buffer#get_iter_at_mark (`NAME "initial_insert") in
+ let cmp () = (locked_iter ())#offset - (remember_iter ())#offset in
+ let icmp = cmp () in
+ let forward_until_cursor () = (* go forward until locked > cursor *)
+ let rec aux () =
+ self#_advance ();
+ if cmp () < 0 && (getoldpos ())#compare (getpos ()) < 0
+ then
+ begin
+ buffer#move_mark old_locked_mark (getpos ());
+ aux ()
+ end
+ in
+ aux ()
+ in
+ let rec back_until_cursor len = (* go backward until locked < cursor *)
+ function
+ statements, ((grafite_status,lexicon_status)::_ as history)
+ when len <= 0 ->
+ self#_retract (icmp - len) lexicon_status grafite_status statements
+ history
+ | statement::tl1, _::tl2 ->
+ back_until_cursor (len - MatitaGtkMisc.utf8_string_length statement) (tl1,tl2)
+ | _,_ -> assert false
+ in
+ (try
+ begin
+ if icmp < 0 then (* locked < cursor *)
+ (forward_until_cursor (); self#notify)
+ else if icmp > 0 then (* locked > cursor *)
+ (back_until_cursor icmp (statements,history); self#notify)
+ else (* cursor = locked *)
+ ()
+ end ;
+ dispose_remember ();
+ dispose_old_locked_mark ();
+ with
+ | Margin -> dispose_remember (); dispose_old_locked_mark (); self#notify
+ | exc -> dispose_remember (); dispose_old_locked_mark ();
+ self#notify; raise exc)
+ with Invalid_argument "Array.make" ->
+ HLog.error "The script is too big!\n"
+
+ method onGoingProof () =
+ match self#grafite_status.proof_status with
+ | No_proof | Proof _ -> false
+ | Incomplete_proof _ -> true
+ | Intermediate _ -> assert false
+
+(* method proofStatus = MatitaTypes.get_proof_status self#status *)
+ method proofMetasenv = GrafiteTypes.get_proof_metasenv self#grafite_status
+
+ method proofContext =
+ match userGoal with
+ None -> []
+ | Some n -> GrafiteTypes.get_proof_context self#grafite_status n
+
+ method proofConclusion =
+ match userGoal with
+ None -> assert false
+ | Some n ->
+ GrafiteTypes.get_proof_conclusion self#grafite_status n
+
+ method stack = GrafiteTypes.get_stack self#grafite_status
+ method setGoal n = userGoal <- n
+ method goal = userGoal
+
+ method bos =
+ match history with
+ | _::[] -> true
+ | _ -> false
+
+ method eos =
+ let rec is_there_only_comments lexicon_status s =
+ if Pcre.pmatch ~rex:only_dust_RE s then raise Margin;
+ let lexicon_status,st =
+ GrafiteParser.parse_statement (Ulexing.from_utf8_string s)
+ ~include_paths:self#include_paths lexicon_status
+ in
+ match st with
+ | GrafiteParser.LSome (GrafiteAst.Comment (loc,_)) ->
+ let _,parsed_text_length = MatitaGtkMisc.utf8_parsed_text s loc in
+ (* CSC: why +1 in the following lines ???? *)
+ let parsed_text_length = parsed_text_length + 1 in
+prerr_endline ("## " ^ string_of_int parsed_text_length);
+ let remain_len = String.length s - parsed_text_length in
+ let next = String.sub s parsed_text_length remain_len in
+ is_there_only_comments lexicon_status next
+ | GrafiteParser.LNone _
+ | GrafiteParser.LSome (GrafiteAst.Executable _) -> false
+ in
+ try
+ is_there_only_comments self#lexicon_status self#getFuture
+ with
+ | LexiconEngine.IncludedFileNotCompiled _
+ | HExtlib.Localized _
+ | CicNotationParser.Parse_error _ -> false
+ | Margin | End_of_file -> true
+ | Invalid_argument "Array.make" -> false
+
+ (* debug *)
+ method dump () =
+ HLog.debug "script status:";
+ HLog.debug ("history size: " ^ string_of_int (List.length history));
+ HLog.debug (sprintf "%d statements:" (List.length statements));
+ List.iter HLog.debug statements;
+ HLog.debug ("Current file name: " ^ self#filename);
+end
+
+let _script = ref None
+
+let script ~source_view ~mathviewer ~urichooser ~ask_confirmation ~set_star ()
+=
+ let s = new script
+ ~source_view ~mathviewer ~ask_confirmation ~urichooser ~set_star ()
+ in
+ _script := Some s;
+ s
+
+let current () = match !_script with None -> assert false | Some s -> s
+