| ------------------------------------------------------------------------------ |
| -- -- |
| -- GNAT RUN-TIME COMPONENTS -- |
| -- -- |
| -- ADA.NUMERICS.BIG_NUMBERS.BIG_INTEGERS_GHOST -- |
| -- -- |
| -- B o d y -- |
| -- -- |
| -- Copyright (C) 2021-2022, 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 -- |
| -- <http://www.gnu.org/licenses/>. -- |
| -- -- |
| -- 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; |
