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Diffstat (limited to 'gcc/ada/g-debuti.adb')
| -rw-r--r-- | gcc/ada/g-debuti.adb | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/gcc/ada/g-debuti.adb b/gcc/ada/g-debuti.adb new file mode 100644 index 00000000000..f92cffa4792 --- /dev/null +++ b/gcc/ada/g-debuti.adb @@ -0,0 +1,111 @@ +------------------------------------------------------------------------------ +-- -- +-- 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; |