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------------------------------------------------------------------------------
-- --
-- GNAT LIBRARY COMPONENTS --
-- --
-- G N A T . D E B U G _ U T I L I T I E S --
-- --
-- B o d y --
-- --
-- $Revision: 1.3 $ --
-- --
-- Copyright (C) 1997-1998 Ada Core Technologies, 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 is maintained by Ada Core Technologies Inc (http://www.gnat.com). --
-- --
------------------------------------------------------------------------------
with System; use System;
with System.Storage_Elements; use System.Storage_Elements;
package body GNAT.Debug_Utilities is
--------------------------
-- Image (address case) --
--------------------------
function Image (A : Address) return String is
S : String (1 .. Address_Image_Length);
P : Natural := S'Last - 1;
N : Integer_Address := To_Integer (A);
U : Natural := 0;
H : array (Integer range 0 .. 15) of Character := "0123456789ABCDEF";
begin
S (S'Last) := '#';
while P > 3 loop
if U = 4 then
S (P) := '_';
P := P - 1;
U := 1;
else
U := U + 1;
end if;
S (P) := H (Integer (N mod 16));
P := P - 1;
N := N / 16;
end loop;
S (1 .. 3) := "16#";
return S;
end Image;
-------------------------
-- Image (string case) --
-------------------------
function Image (S : String) return String is
W : String (1 .. 2 * S'Length + 2);
P : Positive := 1;
begin
W (1) := '"';
for J in S'Range loop
if S (J) = '"' then
P := P + 1;
W (P) := '"';
end if;
P := P + 1;
W (P) := S (J);
end loop;
P := P + 1;
W (P) := '"';
return W (1 .. P);
end Image;
-----------
-- Value --
-----------
function Value (S : String) return System.Address is
N : constant Integer_Address := Integer_Address'Value (S);
begin
return To_Address (N);
end Value;
end GNAT.Debug_Utilities;
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