129 lines
5.1 KiB
Ada
129 lines
5.1 KiB
Ada
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------------------------------------------------------------------------------
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-- --
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-- GNAT RUN-TIME COMPONENTS --
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-- --
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-- S Y S T E M . I M G _ E N U M _ N E W --
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-- --
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-- B o d y --
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-- --
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-- Copyright (C) 2000-2013, Free Software Foundation, Inc. --
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-- --
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-- GNAT is free software; you can redistribute it and/or modify it under --
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-- terms of the GNU General Public License as published by the Free Soft- --
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-- ware Foundation; either version 3, or (at your option) any later ver- --
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-- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
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-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
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-- or FITNESS FOR A PARTICULAR PURPOSE. --
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-- --
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-- As a special exception under Section 7 of GPL version 3, you are granted --
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-- additional permissions described in the GCC Runtime Library Exception, --
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-- version 3.1, as published by the Free Software Foundation. --
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-- --
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-- You should have received a copy of the GNU General Public License and --
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-- a copy of the GCC Runtime Library Exception along with this program; --
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-- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
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-- <http://www.gnu.org/licenses/>. --
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-- --
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-- GNAT was originally developed by the GNAT team at New York University. --
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-- Extensive contributions were provided by Ada Core Technologies Inc. --
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-- --
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------------------------------------------------------------------------------
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pragma Compiler_Unit_Warning;
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with Ada.Unchecked_Conversion;
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package body System.Img_Enum_New is
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-------------------------
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-- Image_Enumeration_8 --
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-------------------------
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procedure Image_Enumeration_8
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(Pos : Natural;
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S : in out String;
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P : out Natural;
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Names : String;
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Indexes : System.Address)
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is
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pragma Assert (S'First = 1);
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type Natural_8 is range 0 .. 2 ** 7 - 1;
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type Index_Table is array (Natural) of Natural_8;
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type Index_Table_Ptr is access Index_Table;
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function To_Index_Table_Ptr is
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new Ada.Unchecked_Conversion (System.Address, Index_Table_Ptr);
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IndexesT : constant Index_Table_Ptr := To_Index_Table_Ptr (Indexes);
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Start : constant Natural := Natural (IndexesT (Pos));
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Next : constant Natural := Natural (IndexesT (Pos + 1));
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begin
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S (1 .. Next - Start) := Names (Start .. Next - 1);
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P := Next - Start;
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end Image_Enumeration_8;
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--------------------------
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-- Image_Enumeration_16 --
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--------------------------
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procedure Image_Enumeration_16
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(Pos : Natural;
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S : in out String;
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P : out Natural;
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Names : String;
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Indexes : System.Address)
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is
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pragma Assert (S'First = 1);
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type Natural_16 is range 0 .. 2 ** 15 - 1;
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type Index_Table is array (Natural) of Natural_16;
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type Index_Table_Ptr is access Index_Table;
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function To_Index_Table_Ptr is
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new Ada.Unchecked_Conversion (System.Address, Index_Table_Ptr);
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IndexesT : constant Index_Table_Ptr := To_Index_Table_Ptr (Indexes);
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Start : constant Natural := Natural (IndexesT (Pos));
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Next : constant Natural := Natural (IndexesT (Pos + 1));
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begin
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S (1 .. Next - Start) := Names (Start .. Next - 1);
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P := Next - Start;
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end Image_Enumeration_16;
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--------------------------
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-- Image_Enumeration_32 --
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--------------------------
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procedure Image_Enumeration_32
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(Pos : Natural;
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S : in out String;
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P : out Natural;
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Names : String;
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Indexes : System.Address)
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is
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pragma Assert (S'First = 1);
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type Natural_32 is range 0 .. 2 ** 31 - 1;
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type Index_Table is array (Natural) of Natural_32;
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type Index_Table_Ptr is access Index_Table;
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function To_Index_Table_Ptr is
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new Ada.Unchecked_Conversion (System.Address, Index_Table_Ptr);
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IndexesT : constant Index_Table_Ptr := To_Index_Table_Ptr (Indexes);
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Start : constant Natural := Natural (IndexesT (Pos));
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Next : constant Natural := Natural (IndexesT (Pos + 1));
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begin
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S (1 .. Next - Start) := Names (Start .. Next - 1);
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P := Next - Start;
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end Image_Enumeration_32;
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end System.Img_Enum_New;
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