g-debuti.ads   [plain text]


------------------------------------------------------------------------------
--                                                                          --
--                         GNAT RUNTIME COMPONENTS                          --
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------------------------------------------------------------------------------

--  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;