------------------------------------------------------------------------------ -- -- -- GNAT RUN-TIME COMPONENTS -- -- -- -- ADA.NUMERICS.BIG_NUMBERS.BIG_INTEGERS_GHOST -- -- -- -- B o d y -- -- -- -- Copyright (C) 2021-2023, Free Software Foundation, 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 3, 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. -- -- -- -- As a special exception under Section 7 of GPL version 3, you are granted -- -- additional permissions described in the GCC Runtime Library Exception, -- -- version 3.1, as published by the Free Software Foundation. -- -- -- -- You should have received a copy of the GNU General Public License and -- -- a copy of the GCC Runtime Library Exception along with this program; -- -- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -- -- . -- -- -- -- GNAT was originally developed by the GNAT team at New York University. -- -- Extensive contributions were provided by Ada Core Technologies Inc. -- -- -- ------------------------------------------------------------------------------ -- This body is provided as a work-around for a GNAT compiler bug, as GNAT -- currently does not compile instantiations of the spec with imported ghost -- generics for packages Signed_Conversions and Unsigned_Conversions. -- Ghost code in this unit is meant for analysis only, not for run-time -- checking. This is enforced by setting the assertion policy to Ignore. pragma Assertion_Policy (Ghost => Ignore); package body Ada.Numerics.Big_Numbers.Big_Integers_Ghost with SPARK_Mode => Off is package body Signed_Conversions with SPARK_Mode => Off is function To_Big_Integer (Arg : Int) return Valid_Big_Integer is begin raise Program_Error; return (null record); end To_Big_Integer; function From_Big_Integer (Arg : Valid_Big_Integer) return Int is begin raise Program_Error; return 0; end From_Big_Integer; end Signed_Conversions; package body Unsigned_Conversions with SPARK_Mode => Off is function To_Big_Integer (Arg : Int) return Valid_Big_Integer is begin raise Program_Error; return (null record); end To_Big_Integer; function From_Big_Integer (Arg : Valid_Big_Integer) return Int is begin raise Program_Error; return 0; end From_Big_Integer; end Unsigned_Conversions; end Ada.Numerics.Big_Numbers.Big_Integers_Ghost;