File : s-imenne.adb
------------------------------------------------------------------------------
-- --
-- GNAT RUN-TIME COMPONENTS --
-- --
-- S Y S T E M . I M G _ E N U M _ N E W --
-- --
-- B o d y --
-- --
-- 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 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. --
-- --
-- --
-- --
-- --
-- --
-- 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. --
-- Extensive contributions were provided by Ada Core Technologies Inc. --
-- --
------------------------------------------------------------------------------
pragma Compiler_Unit;
with Ada.Unchecked_Conversion;
package body System.Img_Enum_New is
-------------------------
-- Image_Enumeration_8 --
-------------------------
procedure Image_Enumeration_8
(Pos : Natural;
S : in out String;
P : out Natural;
Names : String;
Indexes : System.Address)
is
pragma Assert (S'First = 1);
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 Ada.Unchecked_Conversion (System.Address, Index_Table_Ptr);
IndexesT : constant Index_Table_Ptr := To_Index_Table_Ptr (Indexes);
Start : constant Natural := Natural (IndexesT (Pos));
Next : constant Natural := Natural (IndexesT (Pos + 1));
begin
S (1 .. Next - Start) := Names (Start .. Next - 1);
P := Next - Start;
end Image_Enumeration_8;
--------------------------
-- Image_Enumeration_16 --
--------------------------
procedure Image_Enumeration_16
(Pos : Natural;
S : in out String;
P : out Natural;
Names : String;
Indexes : System.Address)
is
pragma Assert (S'First = 1);
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 Ada.Unchecked_Conversion (System.Address, Index_Table_Ptr);
IndexesT : constant Index_Table_Ptr := To_Index_Table_Ptr (Indexes);
Start : constant Natural := Natural (IndexesT (Pos));
Next : constant Natural := Natural (IndexesT (Pos + 1));
begin
S (1 .. Next - Start) := Names (Start .. Next - 1);
P := Next - Start;
end Image_Enumeration_16;
--------------------------
-- Image_Enumeration_32 --
--------------------------
procedure Image_Enumeration_32
(Pos : Natural;
S : in out String;
P : out Natural;
Names : String;
Indexes : System.Address)
is
pragma Assert (S'First = 1);
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 Ada.Unchecked_Conversion (System.Address, Index_Table_Ptr);
IndexesT : constant Index_Table_Ptr := To_Index_Table_Ptr (Indexes);
Start : constant Natural := Natural (IndexesT (Pos));
Next : constant Natural := Natural (IndexesT (Pos + 1));
begin
S (1 .. Next - Start) := Names (Start .. Next - 1);
P := Next - Start;
end Image_Enumeration_32;
end System.Img_Enum_New;