------------------------------------------------------------------------------
-- --
--- GNAT RUNTIME COMPONENTS --
+-- GNAT RUN-TIME COMPONENTS --
-- --
-- S Y S T E M . I M G _ E N U M --
-- --
-- S p e c --
-- --
--- --
--- Copyright (C) 2000 Free Software Foundation, Inc. --
+-- Copyright (C) 2000-2009, 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- --
+-- ware Foundation; either version 3, 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. --
+-- or FITNESS FOR A PARTICULAR PURPOSE. --
+-- --
+-- As a special exception under Section 7 of GPL version 3, you are granted --
+-- additional permissions described in the GCC Runtime Library Exception, --
+-- version 3.1, as published by the Free Software Foundation. --
-- --
--- 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. --
+-- You should have received a copy of the GNU General Public License and --
+-- a copy of the GCC Runtime Library Exception along with this program; --
+-- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
+-- <http://www.gnu.org/licenses/>. --
-- --
-- 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). --
+-- Extensive contributions were provided by Ada Core Technologies Inc. --
-- --
------------------------------------------------------------------------------
-- 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.
+-- Special routines exist for the enumeration types in these packages.
+
+-- Note: this is an obsolete package, replaced by System.Img_Enum_New, which
+-- provides procedures instead of functions for these enumeration image calls.
+-- The reason we maintain this package is that when bootstrapping with old
+-- compilers, the old compiler will search for this unit, expecting to find
+-- these functions. The new compiler will search for procedures in the new
+-- version of the unit.
+
+pragma Compiler_Unit;
package System.Img_Enum is
-pragma Pure (Img_Enum);
+ pragma Pure;
function Image_Enumeration_8
(Pos : Natural;
Names : String;
- Indexes : System.Address)
- return 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.
+ -- 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 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;
+ 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;
+ 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;
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