--- /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/
+ *)
+
+(* $Id$ *)
+
+let out = ref ignore
+
+let set_callback f = out := f
+
+(* lexicon file name * ma file name *)
+exception IncludedFileNotCompiled of string * string
+exception MetadataNotFound of string (* file name *)
+
+type status = {
+ aliases: DisambiguateTypes.environment; (** disambiguation aliases *)
+ multi_aliases: DisambiguateTypes.multiple_environment;
+ lexicon_content_rev: LexiconMarshal.lexicon;
+ notation_ids: CicNotation.notation_id list; (** in-scope notation ids *)
+}
+
+let initial_status = {
+ aliases = DisambiguateTypes.Environment.empty;
+ multi_aliases = DisambiguateTypes.Environment.empty;
+ lexicon_content_rev = [];
+ notation_ids = [];
+}
+
+let add_lexicon_content cmds status =
+ let content = status.lexicon_content_rev in
+ let content' =
+ List.fold_right
+ (fun cmd acc -> cmd :: (List.filter ((<>) cmd) acc))
+ cmds content
+ in
+(* prerr_endline ("new lexicon content: " ^ String.concat " " (List.map
+ LexiconAstPp.pp_command content')); *)
+ { status with lexicon_content_rev = content' }
+
+let set_proof_aliases mode status new_aliases =
+ if mode = LexiconAst.WithoutPreferences then
+ status
+ else
+ let commands_of_aliases =
+ List.map
+ (fun alias -> LexiconAst.Alias (HExtlib.dummy_floc, alias))
+ in
+ let aliases =
+ List.fold_left (fun acc (d,c) -> DisambiguateTypes.Environment.add d c acc)
+ status.aliases new_aliases in
+ let multi_aliases =
+ List.fold_left (fun acc (d,c) -> DisambiguateTypes.Environment.cons d c acc)
+ status.multi_aliases new_aliases in
+ let new_status =
+ { status with multi_aliases = multi_aliases ; aliases = aliases}
+ in
+ if new_aliases = [] then
+ new_status
+ else
+ let aliases =
+ DisambiguatePp.aliases_of_domain_and_codomain_items_list new_aliases
+ in
+ let status =
+ add_lexicon_content (commands_of_aliases aliases) new_status
+ in
+ status
+
+
+let rec eval_command ?(mode=LexiconAst.WithPreferences) status cmd =
+ !out cmd;
+ let notation_ids' = CicNotation.process_notation cmd in
+ let status =
+ { status with notation_ids = notation_ids' @ status.notation_ids } in
+ match cmd with
+ | LexiconAst.Include (loc, baseuri, mode, fullpath) ->
+ let lexiconpath_rw, lexiconpath_r =
+ LibraryMisc.lexicon_file_of_baseuri
+ ~must_exist:false ~writable:true ~baseuri,
+ LibraryMisc.lexicon_file_of_baseuri
+ ~must_exist:false ~writable:false ~baseuri
+ in
+ let lexiconpath =
+ if Sys.file_exists lexiconpath_rw then lexiconpath_rw else
+ if Sys.file_exists lexiconpath_r then lexiconpath_r else
+ raise (IncludedFileNotCompiled (lexiconpath_rw,fullpath))
+ in
+ let lexicon = LexiconMarshal.load_lexicon lexiconpath in
+ let status = List.fold_left (eval_command ~mode) status lexicon in
+ status
+ | LexiconAst.Alias (loc, spec) ->
+ let diff =
+ (*CSC: Warning: this code should be factorized with the corresponding
+ code in DisambiguatePp *)
+ match spec with
+ | LexiconAst.Ident_alias (id,uri) ->
+ [DisambiguateTypes.Id id,
+ (uri,(fun _ _ _-> CicUtil.term_of_uri(UriManager.uri_of_string uri)))]
+ | LexiconAst.Symbol_alias (symb, instance, desc) ->
+ [DisambiguateTypes.Symbol (symb,instance),
+ DisambiguateChoices.lookup_symbol_by_dsc symb desc]
+ | LexiconAst.Number_alias (instance,desc) ->
+ [DisambiguateTypes.Num instance,
+ DisambiguateChoices.lookup_num_by_dsc desc]
+ in
+ set_proof_aliases mode status diff
+ | LexiconAst.Interpretation (_, dsc, (symbol, _), cic_appl_pattern) as stm ->
+ let status = add_lexicon_content [stm] status in
+ let diff =
+ [DisambiguateTypes.Symbol (symbol, 0),
+ DisambiguateChoices.lookup_symbol_by_dsc symbol dsc]
+ in
+ let status = set_proof_aliases mode status diff in
+ status
+ | LexiconAst.Notation _ as stm -> add_lexicon_content [stm] status
+
+let eval_command = eval_command ?mode:None
+
+let set_proof_aliases = set_proof_aliases LexiconAst.WithPreferences
+