+++ /dev/null
-------------------------------------------------------------------------------
--- --
--- GNAT RUNTIME COMPONENTS --
--- --
--- S Y S T E M . I M G _ E N U M --
--- --
--- B o d y --
--- --
--- $Revision: 1.1.16.1 $
--- --
--- 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. --
--- Extensive contributions were provided by Ada Core Technologies Inc. --
--- --
-------------------------------------------------------------------------------
-
-with Unchecked_Conversion;
-
-package body System.Img_Enum is
-
- -------------------------
- -- Image_Enumeration_8 --
- -------------------------
-
- function Image_Enumeration_8
- (Pos : Natural;
- Names : String;
- Indexes : System.Address)
- return String
- is
- type Natural_8 is range 0 .. 2 ** 7 - 1;
- type Index_Table is array (Natural) of Natural_8;
- type Index_Table_Ptr is access Index_Table;
-
- function To_Index_Table_Ptr is
- new Unchecked_Conversion (System.Address, Index_Table_Ptr);
-
- IndexesT : constant Index_Table_Ptr := To_Index_Table_Ptr (Indexes);
-
- Start : Natural := Natural (IndexesT (Pos));
- Next : Natural := Natural (IndexesT (Pos + 1));
-
- subtype Result_Type is String (1 .. Next - Start);
- -- We need this result type to force the result to have the
- -- required lower bound of 1, rather than the slice bounds.
-
- begin
- return Result_Type (Names (Start .. Next - 1));
- end Image_Enumeration_8;
-
- --------------------------
- -- Image_Enumeration_16 --
- --------------------------
-
- function Image_Enumeration_16
- (Pos : Natural;
- Names : String;
- Indexes : System.Address)
- return String
- is
- type Natural_16 is range 0 .. 2 ** 15 - 1;
- type Index_Table is array (Natural) of Natural_16;
- type Index_Table_Ptr is access Index_Table;
-
- function To_Index_Table_Ptr is
- new Unchecked_Conversion (System.Address, Index_Table_Ptr);
-
- IndexesT : constant Index_Table_Ptr := To_Index_Table_Ptr (Indexes);
-
- Start : Natural := Natural (IndexesT (Pos));
- Next : Natural := Natural (IndexesT (Pos + 1));
-
- subtype Result_Type is String (1 .. Next - Start);
- -- We need this result type to force the result to have the
- -- required lower bound of 1, rather than the slice bounds.
-
- begin
- return Result_Type (Names (Start .. Next - 1));
- end Image_Enumeration_16;
-
- --------------------------
- -- Image_Enumeration_32 --
- --------------------------
-
- function Image_Enumeration_32
- (Pos : Natural;
- Names : String;
- Indexes : System.Address)
- return String
- is
- type Natural_32 is range 0 .. 2 ** 31 - 1;
- type Index_Table is array (Natural) of Natural_32;
- type Index_Table_Ptr is access Index_Table;
-
- function To_Index_Table_Ptr is
- new Unchecked_Conversion (System.Address, Index_Table_Ptr);
-
- IndexesT : constant Index_Table_Ptr := To_Index_Table_Ptr (Indexes);
-
- Start : Natural := Natural (IndexesT (Pos));
- Next : Natural := Natural (IndexesT (Pos + 1));
-
- subtype Result_Type is String (1 .. Next - Start);
- -- We need this result type to force the result to have the
- -- required lower bound of 1, rather than the slice bounds.
-
- begin
- return Result_Type (Names (Start .. Next - 1));
- end Image_Enumeration_32;
-
-end System.Img_Enum;
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