+let parse_environment str =
+ let stream = Ulexing.from_utf8_string str in
+ let environment = ref Environment.empty in
+ let multiple_environment = ref Environment.empty in
+ try
+ while true do
+ let alias =
+ match GrafiteParser.parse_statement stream with
+ GrafiteAst.Executable (_, GrafiteAst.Command (_, GrafiteAst.Alias (_,alias)))
+ -> alias
+ | _ -> assert false in
+ let key,value =
+ (*CSC: Warning: this code should be factorized with the corresponding
+ code in MatitaEngine *)
+ match alias with
+ GrafiteAst.Ident_alias (id,uri) ->
+ Id id,
+ (uri,(fun _ _ _-> CicUtil.term_of_uri (UriManager.uri_of_string uri)))
+ | GrafiteAst.Symbol_alias (symb,instance,desc) ->
+ Symbol (symb,instance),
+ DisambiguateChoices.lookup_symbol_by_dsc symb desc
+ | GrafiteAst.Number_alias (instance,desc) ->
+ Num instance,
+ DisambiguateChoices.lookup_num_by_dsc desc
+ in
+ environment := Environment.add key value !environment;
+ multiple_environment := Environment.cons key value !multiple_environment;
+ done;
+ assert false
+ with End_of_file ->
+ !environment, !multiple_environment
+
+let alias_of_domain_and_codomain_items domain_item (dsc,_) =
+ match domain_item with
+ Id id -> GrafiteAst.Ident_alias (id, dsc)
+ | Symbol (symb, i) -> GrafiteAst.Symbol_alias (symb, i, dsc)
+ | Num i -> GrafiteAst.Number_alias (i, dsc)
+
+let aliases_of_environment env =
+ Environment.fold
+ (fun domain_item codomain_item acc ->
+ alias_of_domain_and_codomain_items domain_item codomain_item::acc
+ ) env []
+
+let aliases_of_domain_and_codomain_items_list l =
+ List.fold_left
+ (fun acc (domain_item,codomain_item) ->
+ alias_of_domain_and_codomain_items domain_item codomain_item::acc
+ ) [] l
+