1------------------------------------------------------------------------------ 2-- -- 3-- GNAT RUN-TIME COMPONENTS -- 4-- -- 5-- A D A . A S S E R T I O N S -- 6-- -- 7-- Copyright (C) 2015, Free Software Foundation, Inc. -- 8-- -- 9-- S p e c -- 10-- -- 11-- This specification is derived from the Ada Reference Manual for use with -- 12-- GNAT. The copyright notice above, and the license provisions that follow -- 13-- apply solely to the contracts that have been added. -- 14-- -- 15-- GNAT is free software; you can redistribute it and/or modify it under -- 16-- terms of the GNU General Public License as published by the Free Soft- -- 17-- ware Foundation; either version 3, or (at your option) any later ver- -- 18-- sion. GNAT is distributed in the hope that it will be useful, but WITH- -- 19-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY -- 20-- or FITNESS FOR A PARTICULAR PURPOSE. -- 21-- -- 22-- As a special exception under Section 7 of GPL version 3, you are granted -- 23-- additional permissions described in the GCC Runtime Library Exception, -- 24-- version 3.1, as published by the Free Software Foundation. -- 25-- -- 26-- You should have received a copy of the GNU General Public License and -- 27-- a copy of the GCC Runtime Library Exception along with this program; -- 28-- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -- 29-- <http://www.gnu.org/licenses/>. -- 30-- -- 31-- GNAT was originally developed by the GNAT team at New York University. -- 32-- Extensive contributions were provided by Ada Core Technologies Inc. -- 33-- -- 34------------------------------------------------------------------------------ 35 36-- Preconditions in this unit are meant for analysis only, not for run-time 37-- checking, so that the expected exceptions are raised when calling Assert. 38-- This is enforced by setting the corresponding assertion policy to Ignore. 39 40pragma Assertion_Policy (Pre => Ignore); 41 42-- We do a with of System.Assertions to get hold of the exception (following 43-- the specific RM permission that lets' Assertion_Error being a renaming). 44-- The suppression of Warnings stops the warning about bad categorization. 45 46pragma Warnings (Off); 47with System.Assertions; 48pragma Warnings (On); 49 50package Ada.Assertions with 51 SPARK_Mode 52is 53 pragma Pure (Assertions); 54 55 Assertion_Error : exception renames System.Assertions.Assert_Failure; 56 -- This is the renaming that is allowed by 11.4.2(24). Note that the 57 -- Exception_Name will refer to the one in System.Assertions (see 58 -- AARM-11.4.1(12.b)). 59 60 procedure Assert (Check : Boolean) with 61 Pre => Check; 62 63 procedure Assert (Check : Boolean; Message : String) with 64 Pre => Check; 65 66end Ada.Assertions; 67