X-Git-Url: http://matita.cs.unibo.it/gitweb/?p=helm.git;a=blobdiff_plain;f=matita%2FmatitaEngine.ml;fp=matita%2FmatitaEngine.ml;h=8772fd03bb0ee35ca47d57b89d49d8cdbe536a5b;hp=0000000000000000000000000000000000000000;hb=f61af501fb4608cc4fb062a0864c774e677f0d76;hpb=58ae1809c352e71e7b5530dc41e2bfc834e1aef1 diff --git a/matita/matitaEngine.ml b/matita/matitaEngine.ml new file mode 100644 index 000000000..8772fd03b --- /dev/null +++ b/matita/matitaEngine.ml @@ -0,0 +1,163 @@ +(* Copyright (C) 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 + +let debug = false ;; +let debug_print = if debug then prerr_endline else ignore ;; + +let disambiguate_tactic text prefix_len lexicon_status_ref grafite_status goal tac = + let metasenv,tac = + GrafiteDisambiguate.disambiguate_tactic + lexicon_status_ref + (GrafiteTypes.get_proof_context grafite_status goal) + (GrafiteTypes.get_proof_metasenv grafite_status) + tac + in + GrafiteTypes.set_metasenv metasenv grafite_status,tac + +let disambiguate_command lexicon_status_ref grafite_status cmd = + let baseuri = GrafiteTypes.get_baseuri grafite_status in + let lexicon_status,metasenv,cmd = + GrafiteDisambiguate.disambiguate_command ~baseuri + !lexicon_status_ref (GrafiteTypes.get_proof_metasenv grafite_status) cmd + in + lexicon_status_ref := lexicon_status; + GrafiteTypes.set_metasenv metasenv grafite_status,cmd + +let disambiguate_macro lexicon_status_ref grafite_status macro context = + let metasenv,macro = + GrafiteDisambiguate.disambiguate_macro + lexicon_status_ref + (GrafiteTypes.get_proof_metasenv grafite_status) + context macro + in + GrafiteTypes.set_metasenv metasenv grafite_status,macro + +let eval_ast ?do_heavy_checks lexicon_status + grafite_status (text,prefix_len,ast) += + let lexicon_status_ref = ref lexicon_status in + let baseuri = GrafiteTypes.get_baseuri grafite_status in + let new_grafite_status,new_objs = + GrafiteEngine.eval_ast + ~disambiguate_tactic:(disambiguate_tactic text prefix_len lexicon_status_ref) + ~disambiguate_command:(disambiguate_command lexicon_status_ref) + ~disambiguate_macro:(disambiguate_macro lexicon_status_ref) + ?do_heavy_checks grafite_status (text,prefix_len,ast) in + let new_lexicon_status = + LexiconSync.add_aliases_for_objs !lexicon_status_ref new_objs in + let new_aliases = + LexiconSync.alias_diff ~from:lexicon_status new_lexicon_status in + let _,intermediate_states = + List.fold_left + (fun (lexicon_status,acc) (k,((v,_) as value)) -> + let b = + try + (* this hack really sucks! *) + UriManager.buri_of_uri (UriManager.uri_of_string v) = + baseuri + with + UriManager.IllFormedUri _ -> false (* v is a description, not a URI *) + in + if b then + lexicon_status,acc + else + + let new_lexicon_status = + LexiconEngine.set_proof_aliases lexicon_status [k,value] + in + new_lexicon_status, + ((grafite_status,new_lexicon_status),Some (k,value))::acc + ) (lexicon_status,[]) new_aliases + in + ((new_grafite_status,new_lexicon_status),None)::intermediate_states + +exception TryingToAdd of string +exception EnrichedWithLexiconStatus of exn * LexiconEngine.status + +let out = ref ignore + +let set_callback f = out := f + +let eval_from_stream ~first_statement_only ~include_paths + ?do_heavy_checks ?(enforce_no_new_aliases=true) + ?(watch_statuses=fun _ _ -> ()) lexicon_status grafite_status str cb += + let rec loop lexicon_status grafite_status statuses = + let loop = + if first_statement_only then fun _ _ statuses -> statuses + else loop + in + let stop,l,g,s = + try + let cont = + try + Some (GrafiteParser.parse_statement ~include_paths str lexicon_status) + with + End_of_file -> None + in + match cont with + | None -> true, lexicon_status, grafite_status, statuses + | Some (lexicon_status,ast) -> + (match ast with + GrafiteParser.LNone _ -> + watch_statuses lexicon_status grafite_status ; + false, lexicon_status, grafite_status, + (((grafite_status,lexicon_status),None)::statuses) + | GrafiteParser.LSome ast -> + !out ast; + cb grafite_status ast; + let new_statuses = + eval_ast ?do_heavy_checks lexicon_status + grafite_status ("",0,ast) in + if enforce_no_new_aliases then + List.iter + (fun (_,alias) -> + match alias with + None -> () + | Some (k,((v,_) as value)) -> + let newtxt = + DisambiguatePp.pp_environment + (DisambiguateTypes.Environment.add k value + DisambiguateTypes.Environment.empty) + in + raise (TryingToAdd newtxt)) new_statuses; + let grafite_status,lexicon_status = + match new_statuses with + [] -> assert false + | (s,_)::_ -> s + in + watch_statuses lexicon_status grafite_status ; + false, lexicon_status, grafite_status, (new_statuses @ statuses)) + with exn when (not (Helm_registry.get_bool "matita.debug")) -> + raise (EnrichedWithLexiconStatus (exn, lexicon_status)) + in + if stop then s else loop l g s + in + loop lexicon_status grafite_status [] +;;