mirror of https://github.com/CGAL/cgal
304 lines
13 KiB
C
304 lines
13 KiB
C
// Copyright (c) 1999 Utrecht University (The Netherlands),
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// ETH Zurich (Switzerland), Freie Universitaet Berlin (Germany),
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// INRIA Sophia-Antipolis (France), Martin-Luther-University Halle-Wittenberg
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// (Germany), Max-Planck-Institute Saarbruecken (Germany), RISC Linz (Austria),
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// and Tel-Aviv University (Israel). All rights reserved.
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//
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// This file is part of CGAL (www.cgal.org); you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public License as
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// published by the Free Software Foundation; version 2.1 of the License.
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// See the file LICENSE.LGPL distributed with CGAL.
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//
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// Licensees holding a valid commercial license may use this file in
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// accordance with the commercial license agreement provided with the software.
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//
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// This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
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// WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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//
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// $URL$
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// $Id$
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//
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//
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// Author(s) : Geert-Jan Giezeman and Sven Schoenherr
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#include <CGAL/config.h>
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#ifndef CGAL_ASSERTIONS_H
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#define CGAL_ASSERTIONS_H
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CGAL_BEGIN_NAMESPACE
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// types
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// =====
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enum Failure_behaviour { ABORT, EXIT, EXIT_WITH_SUCCESS, CONTINUE,
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THROW_EXCEPTION };
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// function declarations
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// =====================
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// failure functions
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// -----------------
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void assertion_fail ( const char*, const char*, int, const char* = "");
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void precondition_fail ( const char*, const char*, int, const char* = "");
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void postcondition_fail ( const char*, const char*, int, const char* = "");
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// warning function
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// ----------------
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void warning_fail( const char*, const char*, int, const char* = "");
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// macro definitions
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// =================
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// assertions
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// ----------
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#ifdef NDEBUG
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# define CGAL_NDEBUG
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#endif
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#ifdef CGAL_NDEBUG
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# define CGAL_NO_ASSERTIONS
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# define CGAL_NO_PRECONDITIONS
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# define CGAL_NO_POSTCONDITIONS
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# define CGAL_NO_WARNINGS
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#endif
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#if defined(CGAL_NO_ASSERTIONS)
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# define CGAL_assertion(EX) (static_cast<void>(0))
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# define CGAL_assertion_msg(EX,MSG) (static_cast<void>(0))
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# define CGAL_assertion_code(CODE)
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#else
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# define CGAL_assertion(EX) \
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(CGAL::possibly(EX)?(static_cast<void>(0)): ::CGAL::assertion_fail( # EX , __FILE__, __LINE__))
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# define CGAL_assertion_msg(EX,MSG) \
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(CGAL::possibly(EX)?(static_cast<void>(0)): ::CGAL::assertion_fail( # EX , __FILE__, __LINE__, MSG))
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# define CGAL_assertion_code(CODE) CODE
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#endif // CGAL_NO_ASSERTIONS
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#if defined(CGAL_NO_ASSERTIONS) || !defined(CGAL_CHECK_EXACTNESS)
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# define CGAL_exactness_assertion(EX) (static_cast<void>(0))
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# define CGAL_exactness_assertion_msg(EX,MSG) (static_cast<void>(0))
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# define CGAL_exactness_assertion_code(CODE)
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#else
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# define CGAL_exactness_assertion(EX) \
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(CGAL::possibly(EX)?(static_cast<void>(0)): ::CGAL::assertion_fail( # EX , __FILE__, __LINE__))
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# define CGAL_exactness_assertion_msg(EX,MSG) \
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(CGAL::possibly(EX)?(static_cast<void>(0)): ::CGAL::assertion_fail( # EX , __FILE__, __LINE__, MSG))
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# define CGAL_exactness_assertion_code(CODE) CODE
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#endif // CGAL_NO_ASSERTIONS
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#if defined(CGAL_NO_ASSERTIONS) || !defined(CGAL_CHECK_EXPENSIVE)
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# define CGAL_expensive_assertion(EX) (static_cast<void>(0))
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# define CGAL_expensive_assertion_msg(EX,MSG) (static_cast<void>(0))
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# define CGAL_expensive_assertion_code(CODE)
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#else
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# define CGAL_expensive_assertion(EX) \
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(CGAL::possibly(EX)?(static_cast<void>(0)): ::CGAL::assertion_fail( # EX , __FILE__, __LINE__))
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# define CGAL_expensive_assertion_msg(EX,MSG) \
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(CGAL::possibly(EX)?(static_cast<void>(0)): ::CGAL::assertion_fail( # EX , __FILE__, __LINE__, MSG))
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# define CGAL_expensive_assertion_code(CODE) CODE
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#endif // CGAL_NO_ASSERTIONS
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#if defined(CGAL_NO_ASSERTIONS) || !defined(CGAL_CHECK_EXACTNESS) || !defined(CGAL_CHECK_EXPENSIVE)
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# define CGAL_expensive_exactness_assertion(EX) (static_cast<void>(0))
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# define CGAL_expensive_exactness_assertion_msg(EX,MSG) (static_cast<void>(0))
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# define CGAL_expensive_exactness_assertion_code(CODE)
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#else
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# define CGAL_expensive_exactness_assertion(EX) \
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(CGAL::possibly(EX)?(static_cast<void>(0)): ::CGAL::assertion_fail( # EX , __FILE__, __LINE__))
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# define CGAL_expensive_exactness_assertion_msg(EX,MSG) \
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(CGAL::possibly(EX)?(static_cast<void>(0)): ::CGAL::assertion_fail( # EX , __FILE__, __LINE__, MSG))
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# define CGAL_expensive_exactness_assertion_code(CODE) CODE
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#endif // CGAL_NO_ASSERTIONS
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// preconditions
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// -------------
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#if defined(CGAL_NO_PRECONDITIONS)
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# define CGAL_precondition(EX) (static_cast<void>(0))
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# define CGAL_precondition_msg(EX,MSG) (static_cast<void>(0))
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# define CGAL_precondition_code(CODE)
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#else
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# define CGAL_precondition(EX) \
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(CGAL::possibly(EX)?(static_cast<void>(0)): ::CGAL::precondition_fail( # EX , __FILE__, __LINE__))
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# define CGAL_precondition_msg(EX,MSG) \
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(CGAL::possibly(EX)?(static_cast<void>(0)): ::CGAL::precondition_fail( # EX , __FILE__, __LINE__, MSG))
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# define CGAL_precondition_code(CODE) CODE
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#endif // CGAL_NO_PRECONDITIONS
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#if defined(CGAL_NO_PRECONDITIONS) || !defined(CGAL_CHECK_EXACTNESS)
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# define CGAL_exactness_precondition(EX) (static_cast<void>(0))
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# define CGAL_exactness_precondition_msg(EX,MSG) (static_cast<void>(0))
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# define CGAL_exactness_precondition_code(CODE)
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#else
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# define CGAL_exactness_precondition(EX) \
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(CGAL::possibly(EX)?(static_cast<void>(0)): ::CGAL::precondition_fail( # EX , __FILE__, __LINE__))
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# define CGAL_exactness_precondition_msg(EX,MSG) \
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(CGAL::possibly(EX)?(static_cast<void>(0)): ::CGAL::precondition_fail( # EX , __FILE__, __LINE__, MSG))
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# define CGAL_exactness_precondition_code(CODE) CODE
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#endif // CGAL_NO_PRECONDITIONS
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#if defined(CGAL_NO_PRECONDITIONS) || !defined(CGAL_CHECK_EXPENSIVE)
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# define CGAL_expensive_precondition(EX) (static_cast<void>(0))
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# define CGAL_expensive_precondition_msg(EX,MSG) (static_cast<void>(0))
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# define CGAL_expensive_precondition_code(CODE)
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#else
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# define CGAL_expensive_precondition(EX) \
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(CGAL::possibly(EX)?(static_cast<void>(0)): ::CGAL::precondition_fail( # EX , __FILE__, __LINE__))
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# define CGAL_expensive_precondition_msg(EX,MSG) \
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(CGAL::possibly(EX)?(static_cast<void>(0)): ::CGAL::precondition_fail( # EX , __FILE__, __LINE__, MSG))
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# define CGAL_expensive_precondition_code(CODE) CODE
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#endif // CGAL_NO_PRECONDITIONS
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#if defined(CGAL_NO_PRECONDITIONS) || !defined(CGAL_CHECK_EXACTNESS) || !defined(CGAL_CHECK_EXPENSIVE)
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# define CGAL_expensive_exactness_precondition(EX) (static_cast<void>(0))
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# define CGAL_expensive_exactness_precondition_msg(EX,MSG) (static_cast<void>(0))
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# define CGAL_expensive_exactness_precondition_code(CODE)
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#else
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# define CGAL_expensive_exactness_precondition(EX) \
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(CGAL::possibly(EX)?(static_cast<void>(0)): ::CGAL::precondition_fail( # EX , __FILE__, __LINE__))
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# define CGAL_expensive_exactness_precondition_msg(EX,MSG) \
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(CGAL::possibly(EX)?(static_cast<void>(0)): ::CGAL::precondition_fail( # EX , __FILE__, __LINE__, MSG))
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# define CGAL_expensive_exactness_precondition_code(CODE) CODE
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#endif // CGAL_NO_PRECONDITIONS
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// postconditions
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// --------------
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#if defined(CGAL_NO_POSTCONDITIONS)
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# define CGAL_postcondition(EX) (static_cast<void>(0))
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# define CGAL_postcondition_msg(EX,MSG) (static_cast<void>(0))
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# define CGAL_postcondition_code(CODE)
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#else
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# define CGAL_postcondition(EX) \
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(CGAL::possibly(EX)?(static_cast<void>(0)): ::CGAL::postcondition_fail( # EX , __FILE__, __LINE__))
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# define CGAL_postcondition_msg(EX,MSG) \
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(CGAL::possibly(EX)?(static_cast<void>(0)): ::CGAL::postcondition_fail( # EX , __FILE__, __LINE__, MSG))
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# define CGAL_postcondition_code(CODE) CODE
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#endif // CGAL_NO_POSTCONDITIONS
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#if defined(CGAL_NO_POSTCONDITIONS) || !defined(CGAL_CHECK_EXACTNESS)
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# define CGAL_exactness_postcondition(EX) (static_cast<void>(0))
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# define CGAL_exactness_postcondition_msg(EX,MSG) (static_cast<void>(0))
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# define CGAL_exactness_postcondition_code(CODE)
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#else
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# define CGAL_exactness_postcondition(EX) \
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(CGAL::possibly(EX)?(static_cast<void>(0)): ::CGAL::postcondition_fail( # EX , __FILE__, __LINE__))
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# define CGAL_exactness_postcondition_msg(EX,MSG) \
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(CGAL::possibly(EX)?(static_cast<void>(0)): ::CGAL::postcondition_fail( # EX , __FILE__, __LINE__, MSG))
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# define CGAL_exactness_postcondition_code(CODE) CODE
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#endif // CGAL_NO_POSTCONDITIONS
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#if defined(CGAL_NO_POSTCONDITIONS) || !defined(CGAL_CHECK_EXPENSIVE)
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# define CGAL_expensive_postcondition(EX) (static_cast<void>(0))
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# define CGAL_expensive_postcondition_msg(EX,MSG) (static_cast<void>(0))
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# define CGAL_expensive_postcondition_code(CODE)
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#else
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# define CGAL_expensive_postcondition(EX) \
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(CGAL::possibly(EX)?(static_cast<void>(0)): ::CGAL::postcondition_fail( # EX , __FILE__, __LINE__))
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# define CGAL_expensive_postcondition_msg(EX,MSG) \
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(CGAL::possibly(EX)?(static_cast<void>(0)): ::CGAL::postcondition_fail( # EX , __FILE__, __LINE__, MSG))
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# define CGAL_expensive_postcondition_code(CODE) CODE
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#endif // CGAL_NO_POSTCONDITIONS
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#if defined(CGAL_NO_POSTCONDITIONS) || !defined(CGAL_CHECK_EXACTNESS) || !defined(CGAL_CHECK_EXPENSIVE)
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# define CGAL_expensive_exactness_postcondition(EX) (static_cast<void>(0))
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# define CGAL_expensive_exactness_postcondition_msg(EX,MSG) (static_cast<void>(0))
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# define CGAL_expensive_exactness_postcondition_code(CODE)
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#else
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# define CGAL_expensive_exactness_postcondition(EX) \
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(CGAL::possibly(EX)?(static_cast<void>(0)): ::CGAL::postcondition_fail( # EX , __FILE__, __LINE__))
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# define CGAL_expensive_exactness_postcondition_msg(EX,MSG) \
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(CGAL::possibly(EX)?(static_cast<void>(0)): ::CGAL::postcondition_fail( # EX , __FILE__, __LINE__, MSG))
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# define CGAL_expensive_exactness_postcondition_code(CODE) CODE
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#endif // CGAL_NO_POSTCONDITIONS
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// warnings
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// --------
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#if defined(CGAL_NO_WARNINGS)
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# define CGAL_warning(EX) (static_cast<void>(0))
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# define CGAL_warning_msg(EX,MSG) (static_cast<void>(0))
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# define CGAL_warning_code(CODE)
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#else
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# define CGAL_warning(EX) \
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(CGAL::possibly(EX)?(static_cast<void>(0)): ::CGAL::warning_fail( # EX , __FILE__, __LINE__))
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# define CGAL_warning_msg(EX,MSG) \
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(CGAL::possibly(EX)?(static_cast<void>(0)): ::CGAL::warning_fail( # EX , __FILE__, __LINE__, MSG))
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# define CGAL_warning_code(CODE) CODE
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#endif // CGAL_NO_WARNINGS
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#if defined(CGAL_NO_WARNINGS) || !defined(CGAL_CHECK_EXACTNESS)
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# define CGAL_exactness_warning(EX) (static_cast<void>(0))
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# define CGAL_exactness_warning_msg(EX,MSG) (static_cast<void>(0))
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# define CGAL_exactness_warning_code(CODE)
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#else
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# define CGAL_exactness_warning(EX) \
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(CGAL::possibly(EX)?(static_cast<void>(0)): ::CGAL::warning_fail( # EX , __FILE__, __LINE__))
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# define CGAL_exactness_warning_msg(EX,MSG) \
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(CGAL::possibly(EX)?(static_cast<void>(0)): ::CGAL::warning_fail( # EX , __FILE__, __LINE__, MSG))
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# define CGAL_exactness_warning_code(CODE) CODE
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#endif // CGAL_NO_WARNINGS
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#if defined(CGAL_NO_WARNINGS) || !defined(CGAL_CHECK_EXPENSIVE)
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# define CGAL_expensive_warning(EX) (static_cast<void>(0))
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# define CGAL_expensive_warning_msg(EX,MSG) (static_cast<void>(0))
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# define CGAL_expensive_warning_code(CODE)
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#else
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# define CGAL_expensive_warning(EX) \
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(CGAL::possibly(EX)?(static_cast<void>(0)): ::CGAL::warning_fail( # EX , __FILE__, __LINE__))
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# define CGAL_expensive_warning_msg(EX,MSG) \
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(CGAL::possibly(EX)?(static_cast<void>(0)): ::CGAL::warning_fail( # EX , __FILE__, __LINE__, MSG))
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# define CGAL_expensive_warning_code(CODE) CODE
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#endif // CGAL_NO_WARNINGS
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#if defined(CGAL_NO_WARNINGS) || !defined(CGAL_CHECK_EXACTNESS) || !defined(CGAL_CHECK_EXPENSIVE)
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# define CGAL_expensive_exactness_warning(EX) (static_cast<void>(0))
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# define CGAL_expensive_exactness_warning_msg(EX,MSG) (static_cast<void>(0))
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# define CGAL_expensive_exactness_warning_code(CODE)
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#else
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# define CGAL_expensive_exactness_warning(EX) \
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(CGAL::possibly(EX)?(static_cast<void>(0)): ::CGAL::warning_fail( # EX , __FILE__, __LINE__))
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# define CGAL_expensive_exactness_warning_msg(EX,MSG) \
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(CGAL::possibly(EX)?(static_cast<void>(0)): ::CGAL::warning_fail( # EX , __FILE__, __LINE__, MSG))
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# define CGAL_expensive_exactness_warning_code(CODE) CODE
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#endif // CGAL_NO_WARNINGS
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// CGAL error
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#define CGAL_error_msg(MSG) ::CGAL::assertion_fail( "", __FILE__, __LINE__, MSG )
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#define CGAL_error() ::CGAL::assertion_fail( "", __FILE__, __LINE__ )
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// failure handler declarations
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// ==========================
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// failure handler
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// ---------------
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typedef
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void
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(*Failure_function)(
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const char*, const char*, const char*, int, const char*);
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Failure_function
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set_error_handler( Failure_function handler);
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Failure_function
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set_warning_handler( Failure_function handler);
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// failure behaviour handler
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// -------------------------
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Failure_behaviour
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set_error_behaviour(Failure_behaviour eb);
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Failure_behaviour
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set_warning_behaviour(Failure_behaviour eb);
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CGAL_END_NAMESPACE
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// This comes last as it is dependant on the macros to be defined.
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// But the macros need CGAL::possibly().
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#include <CGAL/Uncertain.h>
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#endif // CGAL_ASSERTIONS_H
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