--- /dev/null
+(*
+ * Copyright 2005-2009, Ecole des Mines de Nantes, University of Copenhagen
+ * Yoann Padioleau, Julia Lawall, Rene Rydhof Hansen, Henrik Stuart, Gilles Muller, Nicolas Palix
+ * This file is part of Coccinelle.
+ *
+ * Coccinelle 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, according to version 2 of the License.
+ *
+ * Coccinelle 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 Coccinelle. If not, see <http://www.gnu.org/licenses/>.
+ *
+ * The authors reserve the right to distribute this or future versions of
+ * Coccinelle under other licenses.
+ *)
+
+
+type sequence =
+ Seq of element * sequence
+ | Empty
+ | SExists of Ast_cocci.meta_name * sequence
+
+and term =
+ Atomic of Ast_cocci.rule_elem
+ | IfThen of term * term * Ast_cocci.end_info
+ | TExists of Ast_cocci.meta_name * term
+
+and element =
+ Term of term * dots_bef_aft
+ | Or of sequence * sequence
+ | DInfo of dots
+ | EExists of Ast_cocci.meta_name * element
+
+and dots =
+ Dots
+ | Nest of sequence
+ | When of dots * sequence
+
+and dots_bef_aft =
+ NoDots
+ | AddingBetweenDots of term * int (*index of let var*)
+ | DroppingBetweenDots of term * int (*index of let var*)
+