67 lines
3.7 KiB
Ada
67 lines
3.7 KiB
Ada
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------------------------------------------------------------------------------
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-- --
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-- GNAT RUN-TIME COMPONENTS --
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-- --
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-- A D A . A S S E R T I O N S --
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-- --
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-- Copyright (C) 2015, Free Software Foundation, Inc. --
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-- --
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-- S p e c --
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-- --
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-- This specification is derived from the Ada Reference Manual for use with --
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-- GNAT. The copyright notice above, and the license provisions that follow --
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-- apply solely to the contracts that have been added. --
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-- --
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-- GNAT is free software; you can redistribute it and/or modify it under --
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-- terms of the GNU General Public License as published by the Free Soft- --
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-- ware Foundation; either version 3, or (at your option) any later ver- --
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-- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
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-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
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-- or FITNESS FOR A PARTICULAR PURPOSE. --
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-- --
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-- As a special exception under Section 7 of GPL version 3, you are granted --
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-- additional permissions described in the GCC Runtime Library Exception, --
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-- version 3.1, as published by the Free Software Foundation. --
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-- --
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-- You should have received a copy of the GNU General Public License and --
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-- a copy of the GCC Runtime Library Exception along with this program; --
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-- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
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-- <http://www.gnu.org/licenses/>. --
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-- --
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-- GNAT was originally developed by the GNAT team at New York University. --
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-- Extensive contributions were provided by Ada Core Technologies Inc. --
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-- --
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------------------------------------------------------------------------------
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-- Preconditions in this unit are meant for analysis only, not for run-time
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-- checking, so that the expected exceptions are raised when calling Assert.
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-- This is enforced by setting the corresponding assertion policy to Ignore.
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pragma Assertion_Policy (Pre => Ignore);
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-- We do a with of System.Assertions to get hold of the exception (following
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-- the specific RM permission that lets' Assertion_Error being a renaming).
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-- The suppression of Warnings stops the warning about bad categorization.
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pragma Warnings (Off);
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with System.Assertions;
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pragma Warnings (On);
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package Ada.Assertions with
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SPARK_Mode
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is
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pragma Pure (Assertions);
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Assertion_Error : exception renames System.Assertions.Assert_Failure;
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-- This is the renaming that is allowed by 11.4.2(24). Note that the
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-- Exception_Name will refer to the one in System.Assertions (see
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-- AARM-11.4.1(12.b)).
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procedure Assert (Check : Boolean) with
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Pre => Check;
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procedure Assert (Check : Boolean; Message : String) with
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Pre => Check;
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end Ada.Assertions;
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