Added boolean "is_inductive" to NReference.Ind

[helm.git] / helm / software / components / ng_kernel / nReference.mli

diff --git a/helm/software/components/ng_kernel/nReference.mli b/helm/software/components/ng_kernel/nReference.mli
index 1904f99c941a80fd9ff488df61d670c4c78a1bbd..b73239465691af895fde32b484385e5bfb505e2e 100644 (file)
--- a/helm/software/components/ng_kernel/nReference.mli
+++ b/helm/software/components/ng_kernel/nReference.mli
@@ -1,27 +1,15 @@
-(* 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/.
- *)
+(*
+    ||M||  This file is part of HELM, an Hypertextual, Electronic        
+    ||A||  Library of Mathematics, developed at the Computer Science     
+    ||T||  Department, University of Bologna, Italy.                     
+    ||I||                                                                
+    ||T||  HELM is free software; you can redistribute it and/or         
+    ||A||  modify it under the terms of the GNU General Public License   
+    \   /  version 2 or (at your option) any later version.      
+     \ /   This software is distributed as is, NO WARRANTY.     
+      V_______________________________________________________________ *)
+
+(* $Id$ *)
 
 exception IllFormedReference of string Lazy.t
 
@@ -30,14 +18,19 @@ type spec =
  | Def
  | Fix of int * int (* fixno, recparamno *)
  | CoFix of int
- | Ind of int
+ | Ind of bool * int (* inductive, indtyno *)
  | Con of int * int (* indtyno, constrno *)
 
-type reference = Ref of int *  NUri.uri * spec
+type reference = private Ref of int *  NUri.uri * spec
 
 val eq: reference -> reference -> bool
 val string_of_reference: reference -> string 
 
+(* given the reference of an inductive type, returns the i-th contructor *)
+val mk_constructor: int -> reference -> reference
+val mk_fix: int -> int -> reference -> reference
+val mk_cofix: int -> reference -> reference
+
 
 (* CACCA *)
 val reference_of_ouri: UriManager.uri -> spec ->  reference