New licence used uniformly everywhere.

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

diff --git a/helm/software/components/ng_kernel/nReference.ml b/helm/software/components/ng_kernel/nReference.ml
index ad93584fbc2a7ed3281df5018e13368e6cc6fda3..bd171ef2996d12905fef27d116bf1f655cd8cb66 100644 (file)
--- a/helm/software/components/ng_kernel/nReference.ml
+++ b/helm/software/components/ng_kernel/nReference.ml
@@ -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
 
@@ -30,7 +18,7 @@ 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
@@ -59,11 +47,9 @@ let set_of_reference = ref MapStringsToReference.empty;;
  *)
 
 let uri_suffix_of_ref_suffix = function
-    | "dec" 
-    | "def" -> "con"
-    | "ind" 
-    | "con" -> "ind"
-    | _ -> assert false
+    | "dec" | "fix" | "cfx" | "def" -> "con"
+    | "ind" | "con" -> "ind"
+    | x -> prerr_endline (x ^ " not a valid suffix"); assert false
 ;;
 
 let reference_of_string =
@@ -76,7 +62,7 @@ let reference_of_string =
     i,j
   in
   let get1 s dot =
-    let i = int_of_string (String.sub s (dot+5) (String.length s-1)) in
+    let i = int_of_string (String.sub s (dot+5) (String.length s-1-dot-5)) in
     i
   in
 fun s ->
@@ -93,7 +79,7 @@ fun s ->
         | "def" -> Ref (c (), u, Def)
         | "fix" -> let i,j = get2 s dot in Ref (c (), u, Fix (i,j))
         | "cfx" -> let i = get1 s dot in Ref (c (), u, CoFix (i))
-        | "ind" -> let i = get1 s dot in Ref (c (), u, Ind (i))
+        | "ind" -> let b,i = get2 s dot in Ref (c (), u, Ind (b=1,i))
         | "con" -> let i,j = get2 s dot in Ref (c (), u, Con (i,j))
         | _ -> raise Not_found
       with Not_found -> raise (IllFormedReference (lazy s))
@@ -111,15 +97,32 @@ let string_of_reference (Ref (_,u,indinfo)) =
   | Def -> s2 ^ ".def"
   | Fix (i,j)  -> s2 ^ ".fix(" ^ string_of_int i ^ "," ^ string_of_int j ^ ")"
   | CoFix i -> s2 ^ ".cfx(" ^ string_of_int i ^ ")"
-  | Ind i -> s2 ^ ".ind(" ^ string_of_int i ^ ")"
+  | Ind (b,i)->s2 ^".ind(" ^(if b then "1" else "0")^ "," ^ string_of_int i ^")"
   | Con (i,j) -> s2 ^ ".con(" ^ string_of_int i ^ "," ^ string_of_int j ^ ")"
 ;;
 
-let reference_of_ouri u indinfo =
-  let u = NUri.uri_of_string (UriManager.string_of_uri u) in
-  reference_of_string (string_of_reference (Ref (~-1,u,indinfo)))
+let mk_constructor j = function
+  | Ref (d, u, Ind (_,i)) -> 
+      reference_of_string (string_of_reference (Ref (d, u, Con (i,j))))
+  | _ -> assert false
+;;
+
+let mk_fix i j = function
+  | Ref (d, u, Fix _) -> 
+      reference_of_string (string_of_reference (Ref (d, u, Fix (i,j))))
+  | _ -> assert false
 ;;
 
-let ouri_of_reference (Ref (_,u,_)) =
-  UriManager.uri_of_string (NUri.string_of_uri u)
+let mk_cofix i = function
+  | Ref (d, u, CoFix _) -> 
+      reference_of_string (string_of_reference (Ref (d, u, CoFix i)))
+  | _ -> assert false
 ;;
+
+let reference_of_ouri u indinfo =
+  let u = NUri.nuri_of_ouri u in
+  reference_of_string (string_of_reference (Ref (max_int,u,indinfo)))
+;;
+
+let ouri_of_reference (Ref (_,u,_)) = NUri.ouri_of_nuri u;;
+