| ------------------------------------------------------------------------------ |
| -- -- |
| -- 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; |
