+(* 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
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