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-------------------------------------------------------------------------------
--- --
--- GNAT COMPILER COMPONENTS --
--- --
--- G N A T . C O M P I L E R _ V E R S I O N --
--- --
--- B o d y --
--- --
--- Copyright (C) 2002-2005,2008 AdaCore --
--- --
--- 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, 51 Franklin Street, Fifth Floor, --
--- Boston, MA 02110-1301, 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 was originally developed by the GNAT team at New York University. --
--- Extensive contributions were provided by Ada Core Technologies Inc. --
--- --
-------------------------------------------------------------------------------
-
--- This package provides a routine for obtaining the version number of the
--- GNAT compiler used to compile the program. It relies on the generated
--- constant in the binder generated package that records this information.
-
-package body GNAT.Compiler_Version is
-
- Ver_Len_Max : constant := 64;
- -- This is logically a reference to Gnatvsn.Ver_Len_Max but we cannot
- -- import this directly since run-time units cannot WITH compiler units.
-
- Ver_Prefix : constant String := "GNAT Version: ";
- -- Prefix generated by binder
-
- GNAT_Version : constant String (1 .. Ver_Len_Max + Ver_Prefix'Length);
- pragma Import (C, GNAT_Version, "__gnat_version");
-
- -------------
- -- Version --
- -------------
-
- function Version return String is
- begin
- -- Search for terminating right paren or NUL ending the string
-
- for J in Ver_Prefix'Length + 1 .. GNAT_Version'Last loop
- if GNAT_Version (J) = ')' then
- return GNAT_Version (Ver_Prefix'Length + 1 .. J);
- end if;
- if GNAT_Version (J) = Character'Val (0) then
- return GNAT_Version (Ver_Prefix'Length + 1 .. J - 1);
- end if;
- end loop;
-
- -- This should not happen (no right paren or NUL found)
-
- return GNAT_Version;
- end Version;
-
-end GNAT.Compiler_Version;