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[helm.git] / components / lexicon / disambiguatePp.ml

diff --git a/components/lexicon/disambiguatePp.ml b/components/lexicon/disambiguatePp.ml
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+(* 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 DisambiguateTypes
+
+let alias_of_domain_and_codomain_items domain_item (dsc,_) =
+ match domain_item with
+    Id id -> LexiconAst.Ident_alias (id, dsc)
+  | Symbol (symb, i) -> LexiconAst.Symbol_alias (symb, i, dsc)
+  | Num i -> LexiconAst.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
+
+let pp_environment env =
+  let aliases = aliases_of_environment env in
+  let strings =
+    List.map (fun alias -> LexiconAstPp.pp_alias alias ^ ".") aliases
+  in
+  String.concat "\n" (List.sort compare strings)