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/* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */
/*
* Main authors:
* Christian Schulte <schulte@gecode.org>
*
* Copyright:
* Christian Schulte, 2004
*
* This file is part of Gecode, the generic constraint
* development environment:
* http://www.gecode.org
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
*/
/// Concatenate \a R and \a LINE
#define GECODE_CAT2(R,LINE) R ## LINE
/// Concatenate macro-expanded \a R and \a LINE
#define GECODE_CAT(R,LINE) GECODE_CAT2(R,LINE)
/// Generate fresh name with prefix P
#define GECODE_FRESH(P) GECODE_CAT(GECODE_ ## P, __LINE__)
/**
* \def GECODE_NEVER
* \brief Assert that this command is never executed
*
* This is preferred over assert(false) as it is used for optimization,
* if supported by a compiler (for example, Microsoft Visual C++).
*
*/
#if defined(_MSC_VER) && defined(NDEBUG)
#define GECODE_NEVER __assume(false)
#else
#define GECODE_NEVER assert(false)
#endif
/**
* \def GECODE_NOT_NULL
* \brief Assert that a pointer is never nullptr
*
* This is preferred over assert as it is used for optimization,
* if supported by a compiler (for example, Microsoft Visual C++).
*
*/
#if defined(_MSC_VER) && defined(NDEBUG)
#define GECODE_NOT_NULL(p) __assume(p != nullptr)
#else
#define GECODE_NOT_NULL(p) assert(p != nullptr)
#endif
/**
* \def GECODE_VALID_FUNCTION
* \brief Assert that a function is valid
*
* This is preferred over assert as it is used for optimization,
* if supported by a compiler (for example, Microsoft Visual C++).
*
*/
#if defined(_MSC_VER) && defined(NDEBUG)
#define GECODE_VALID_FUNCTION(f) __assume(static_cast<bool>(f))
#else
#define GECODE_VALID_FUNCTION(f) assert(static_cast<bool>(f))
#endif
/**
* \def GECODE_ASSUME
* \brief Assert certain property
*
* This might be used for optimization as well (for example,
* Microsoft Visual C++), otherwise it behaves like any
* assert.
*
*/
#if defined(_MSC_VER) && defined(NDEBUG)
#define GECODE_ASSUME(p) __assume((p))
#else
#define GECODE_ASSUME(p) assert((p))
#endif
// STATISTICS: support-any
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