* New operators (Subset, SetEqual and RVarOccurrence) added to MathQL

[helm.git] / helm / ocaml / mathql_interpreter / mathql_semantics.ml

diff --git a/helm/ocaml/mathql_interpreter/mathql_semantics.ml b/helm/ocaml/mathql_interpreter/mathql_semantics.ml
new file mode 100644 (file)
index 0000000..e7e5ee5
--- /dev/null
+++ b/helm/ocaml/mathql_interpreter/mathql_semantics.ml
@@ -0,0 +1,33 @@
+(* Copyright (C) 2000, 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://cs.unibo.it/helm/.
+ *)
+
+(* attributes are sorted w.r.t. their name in increasing order *)
+type attributed_uri =
+ { uri: string ; attributes : (Mathql.mqsvar * string) list }
+
+type attributed_uri_env =
+ (Mathql.mqrvar * attributed_uri) list
+
+type result = attributed_uri list