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1 ------------------------------------------------------------------------------
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2 -- --
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3 -- GNAT RUN-TIME COMPONENTS --
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4 -- --
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5 -- A D A . A S S E R T I O N S --
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6 -- --
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131
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7 -- Copyright (C) 2015-2018, Free Software Foundation, Inc. --
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111
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8 -- --
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9 -- S p e c --
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10 -- --
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11 -- This specification is derived from the Ada Reference Manual for use with --
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12 -- GNAT. The copyright notice above, and the license provisions that follow --
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13 -- apply solely to the contracts that have been added. --
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14 -- --
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15 -- GNAT is free software; you can redistribute it and/or modify it under --
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16 -- terms of the GNU General Public License as published by the Free Soft- --
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17 -- ware Foundation; either version 3, or (at your option) any later ver- --
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18 -- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
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19 -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
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20 -- or FITNESS FOR A PARTICULAR PURPOSE. --
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21 -- --
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22 -- As a special exception under Section 7 of GPL version 3, you are granted --
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23 -- additional permissions described in the GCC Runtime Library Exception, --
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24 -- version 3.1, as published by the Free Software Foundation. --
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25 -- --
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26 -- You should have received a copy of the GNU General Public License and --
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27 -- a copy of the GCC Runtime Library Exception along with this program; --
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28 -- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
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29 -- <http://www.gnu.org/licenses/>. --
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30 -- --
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31 -- GNAT was originally developed by the GNAT team at New York University. --
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32 -- Extensive contributions were provided by Ada Core Technologies Inc. --
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33 -- --
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34 ------------------------------------------------------------------------------
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35
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36 -- Preconditions in this unit are meant for analysis only, not for run-time
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37 -- checking, so that the expected exceptions are raised when calling Assert.
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38 -- This is enforced by setting the corresponding assertion policy to Ignore.
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39
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40 pragma Assertion_Policy (Pre => Ignore);
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41
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42 -- We do a with of System.Assertions to get hold of the exception (following
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43 -- the specific RM permission that lets' Assertion_Error being a renaming).
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44 -- The suppression of Warnings stops the warning about bad categorization.
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45
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46 pragma Warnings (Off);
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47 with System.Assertions;
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48 pragma Warnings (On);
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49
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50 package Ada.Assertions with
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51 SPARK_Mode
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52 is
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53 pragma Pure (Assertions);
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54
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55 Assertion_Error : exception renames System.Assertions.Assert_Failure;
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56 -- This is the renaming that is allowed by 11.4.2(24). Note that the
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57 -- Exception_Name will refer to the one in System.Assertions (see
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58 -- AARM-11.4.1(12.b)).
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59
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60 procedure Assert (Check : Boolean) with
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61 Pre => Check;
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62
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63 procedure Assert (Check : Boolean; Message : String) with
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64 Pre => Check;
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65
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66 end Ada.Assertions;
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