added helm-metadata module

[helm.git] / helm / ocaml / metadata / metadataTypes.ml

diff --git a/helm/ocaml/metadata/metadataTypes.ml b/helm/ocaml/metadata/metadataTypes.ml
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+++ b/helm/ocaml/metadata/metadataTypes.ml
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+(* 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/
+ *)
+
+type main_position = [ `MainConclusion | `MainHypothesis ]
+
+type position =
+  [ main_position
+  | `InConclusion
+  | `InHypothesis
+  | `InBody
+  ]
+
+type pi_depth = int
+
+type metadata =
+  [ `Sort of Cic.sort * main_position * pi_depth
+  | `Rel of main_position * pi_depth
+  | `Obj of string * position * pi_depth option
+  ]
+