------------------------------------------------------------------------------ -- -- -- GNAT RUN-TIME COMPONENTS -- -- -- -- A D A . A S S E R T I O N S -- -- -- -- Copyright (C) 2015-2017, Free Software Foundation, Inc. -- -- -- -- S p e c -- -- -- -- This specification is derived from the Ada Reference Manual for use with -- -- GNAT. The copyright notice above, and the license provisions that follow -- -- apply solely to the contracts that have been added. -- -- -- -- 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. -- -- -- ------------------------------------------------------------------------------ -- Preconditions in this unit are meant for analysis only, not for run-time -- checking, so that the expected exceptions are raised when calling Assert. -- This is enforced by setting the corresponding assertion policy to Ignore. pragma Assertion_Policy (Pre => Ignore); -- We do a with of System.Assertions to get hold of the exception (following -- the specific RM permission that lets' Assertion_Error being a renaming). -- The suppression of Warnings stops the warning about bad categorization. pragma Warnings (Off); with System.Assertions; pragma Warnings (On); package Ada.Assertions with SPARK_Mode is pragma Pure (Assertions); Assertion_Error : exception renames System.Assertions.Assert_Failure; -- This is the renaming that is allowed by 11.4.2(24). Note that the -- Exception_Name will refer to the one in System.Assertions (see -- AARM-11.4.1(12.b)). procedure Assert (Check : Boolean) with Pre => Check; procedure Assert (Check : Boolean; Message : String) with Pre => Check; end Ada.Assertions;