New Language: Ada

From-SVN: r45955

1 files changed, 63 insertions, 0 deletions

diff --git a/gcc/ada/g-debuti.ads b/gcc/ada/g-debuti.ads
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+------------------------------------------------------------------------------
+--                                                                          --
+--                         GNAT RUNTIME COMPONENTS                          --
+--                                                                          --
+--                 G N A T . D E B U G _ U T I L I T I E S                  --
+--                                                                          --
+--                                 S p e c                                  --
+--                                                                          --
+--                            $Revision: 1.5 $                              --
+--                                                                          --
+--           Copyright (C) 1995-1998 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).   --
+--                                                                          --
+------------------------------------------------------------------------------
+
+--  Debugging utilities
+
+--  This package provides some useful utility subprograms for use in writing
+--  routines that generate debugging output.
+
+with System;
+
+package GNAT.Debug_Utilities is
+pragma Pure (Debug_Utilities);
+
+   function Image (S : String) return String;
+   --  Returns a string image of S, obtained by prepending and appending
+   --  quote (") characters and doubling any quote characters in the string.
+   --  The maximum length of the result is thus 2 ** S'Length + 2.
+
+   Address_Image_Length : constant :=
+                            13 + 10 * Boolean'Pos (Standard'Address_Size > 32);
+   --  Length of string returned by Image function
+
+   function Image (A : System.Address) return String;
+   --  Returns a string of the form 16#xxxx_xxxx# for 32-bit addresses
+   --  or 16#xxxx_xxxx_xxxx_xxxx# for 64-bit addresses. Hex characters
+   --  are in upper case.
+
+   function Value (S : String) return System.Address;
+   --  Given a valid integer literal in any form, including the form returned
+   --  by the Image function in this package, yields the corresponding address.
+
+end GNAT.Debug_Utilities;