--- /dev/null   Fri Feb  8 20:51:30 2002
+++ s-imgenu.ads        Fri Feb  8 20:53:06 2002
@@ -0,0 +1,78 @@
+------------------------------------------------------------------------------
+--                                                                          --
+--                         GNAT RUNTIME COMPONENTS                          --
+--                                                                          --
+--                      S Y S T E M . I M G _ E N U M                       --
+--                                                                          --
+--                                 S p e c                                  --
+--                                                                          --
+--                            $Revision: 1.2 $
+--                                                                          --
+--            Copyright (C) 2000 Free Software Foundation, Inc.             --
+--                                                                          --
+-- GNAT is free software;  you can  redistribute it  and/or modify it under --
+-- terms of the  GNU General Public License as published  by the Free Soft- --
+-- ware  Foundation;  either version 2,  or (at your option) any later ver- --
+-- sion.  GNAT is distributed in the hope that it will be useful, but WITH- --
+-- OUT 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  distributed with GNAT;  see file COPYING.  If not, write --
+-- to  the Free Software Foundation,  59 Temple Place - Suite 330,  Boston, --
+-- MA 02111-1307, USA.                                                      --
+--                                                                          --
+-- As a special exception,  if other files  instantiate  generics from this --
+-- unit, or you link  this unit with other files  to produce an executable, --
+-- this  unit  does not  by itself cause  the resulting  executable  to  be --
+-- covered  by the  GNU  General  Public  License.  This exception does not --
+-- however invalidate  any other reasons why  the executable file  might be --
+-- covered by the  GNU Public License.                                      --
+--                                                                          --
+-- GNAT was originally developed  by the GNAT team at  New York University. --
+-- It is now maintained by Ada Core Technologies Inc (http://www.gnat.com). --
+--                                                                          --
+------------------------------------------------------------------------------
+
+--  Enumeration_Type'Image for all enumeration types except those in package
+--  Standard (where we have no opportunity to build image tables), and in
+--  package System (where it is too early to start building image tables).
+--  Special routines exist for the enumeration routines in these packages.
+
+package System.Img_Enum is
+pragma Pure (Img_Enum);
+
+   function Image_Enumeration_8
+     (Pos     : Natural;
+      Names   : String;
+      Indexes : System.Address)
+      return    String;
+   --  Used to compute Enum'Image (Str) where Enum is some enumeration type
+   --  other than those defined in package Standard. Names is a string with
+   --  a lower bound of 1 containing the characters of all the enumeration
+   --  literals concatenated together in sequence. Indexes is the address
+   --  of an array of type array (0 .. N) of Natural_8, where N is the
+   --  is the number of enumeration literals in the type. The Indexes values
+   --  are the starting subscript of each enumeration literal, indexed by Pos
+   --  values, with an extra entry at the end containing Names'Length + 1.
+   --  The reason that Indexes is passed by address is that the actual type
+   --  is created on the fly by the expander. The value returned is the
+   --  desired 'Image value.
+
+   function Image_Enumeration_16
+     (Pos     : Natural;
+      Names   : String;
+      Indexes : System.Address)
+      return    String;
+   --  Identical to Image_Enumeration_8 except that it handles types
+   --  using array (0 .. Num) of Natural_16 for the Indexes table.
+
+   function Image_Enumeration_32
+     (Pos     : Natural;
+      Names   : String;
+      Indexes : System.Address)
+      return    String;
+   --  Identical to Image_Enumeration_8 except that it handles types
+   --  using array (0 .. Num) of Natural_32 for the Indexes table.
+
+
+end System.Img_Enum;