still a working copy, now towards a cleaner implementation ...

[helm.git] / helm / ocaml / cic_disambiguation / arit_notation.ml

diff --git a/helm/ocaml/cic_disambiguation/arit_notation.ml b/helm/ocaml/cic_disambiguation/arit_notation.ml
index 522021f5ffe72f716e86683a86335ec3d24c0c3c..998688cbebc61a9ca5c28a9907a96c76a200ac50 100644 (file)
--- a/helm/ocaml/cic_disambiguation/arit_notation.ml
+++ b/helm/ocaml/cic_disambiguation/arit_notation.ml
@@ -1,3 +1,28 @@
+(* Copyright (C) 2004, 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/
+ *)
+
 open Ast
 open Parser
 
@@ -5,23 +30,21 @@ EXTEND
   term: LEVEL "add"
     [
       [ t1 = term; SYMBOL "+"; t2 = term ->
-          return_term loc (Appl [Ident ("plus", []); t1; t2])
+          return_term loc (Appl_symbol ("plus", [t1; t2]))
       | t1 = term; SYMBOL "-"; t2 = term ->
-          return_term loc (Appl [Ident ("minus", []); t1; t2])
+          return_term loc (Appl_symbol ("minus", [t1; t2]))
       ]
     ];
   term: LEVEL "mult"
     [
       [ t1 = term; SYMBOL "*"; t2 = term ->
-          return_term loc (Appl [Ident ("times", []); t1; t2])
+          return_term loc (Appl_symbol ("times", [t1; t2]))
       | t1 = term; SYMBOL "/"; t2 = term ->
-          return_term loc (Appl [Ident ("div", []); t1; t2])
+          return_term loc (Appl_symbol ("div", [t1; t2]))
       ]
     ];
   term: LEVEL "inv"
     [
-      [ SYMBOL "-"; t = term ->
-        return_term loc (Appl [Ident ("uminus", []); t])
-      ]
+      [ SYMBOL "-"; t = term -> return_term loc (Appl_symbol ("uminus", [t])) ]
     ];
 END