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/*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#pragma once
/** \file
* \ingroup bli
*
* Defines:
* - #BLI_assert
* - #BLI_STATIC_ASSERT
* - #BLI_STATIC_ASSERT_ALIGN
*/
#ifdef __cplusplus
extern "C" {
#endif
/* Utility functions. */
void _BLI_assert_print_pos(const char *file, const int line, const char *function, const char *id);
void _BLI_assert_print_extra(const char *str);
void _BLI_assert_print_backtrace(void);
void _BLI_assert_abort(void);
void _BLI_assert_unreachable_print(const char *file, const int line, const char *function);
#ifdef _MSC_VER
# include <crtdbg.h> /* for _STATIC_ASSERT */
#endif
#ifndef NDEBUG
/* _BLI_ASSERT_PRINT_POS */
# if defined(__GNUC__)
# define _BLI_ASSERT_PRINT_POS(a) _BLI_assert_print_pos(__FILE__, __LINE__, __func__, # a)
# elif defined(_MSC_VER)
# define _BLI_ASSERT_PRINT_POS(a) _BLI_assert_print_pos(__FILE__, __LINE__, __func__, # a)
# else
# define _BLI_ASSERT_PRINT_POS(a) _BLI_assert_print_pos(__FILE__, __LINE__, "<?>", # a)
# endif
/* _BLI_ASSERT_ABORT */
# ifdef WITH_ASSERT_ABORT
# define _BLI_ASSERT_ABORT _BLI_assert_abort
# else
# define _BLI_ASSERT_ABORT() (void)0
# endif
/* BLI_assert */
# define BLI_assert(a) \
(void)((!(a)) ? ((_BLI_assert_print_backtrace(), \
_BLI_ASSERT_PRINT_POS(a), \
_BLI_ASSERT_ABORT(), \
NULL)) : \
NULL)
/** A version of #BLI_assert() to pass an additional message to be printed on failure. */
# define BLI_assert_msg(a, msg) \
(void)((!(a)) ? ((_BLI_assert_print_backtrace(), \
_BLI_ASSERT_PRINT_POS(a), \
_BLI_assert_print_extra(msg), \
_BLI_ASSERT_ABORT(), \
NULL)) : \
NULL)
#else
# define BLI_assert(a) ((void)0)
# define BLI_assert_msg(a, msg) ((void)0)
#endif
#if defined(__cplusplus)
/* C++11 */
# define BLI_STATIC_ASSERT(a, msg) static_assert(a, msg);
#elif defined(_MSC_VER)
/* Visual Studio */
# if (_MSC_VER > 1910) && !defined(__clang__)
# define BLI_STATIC_ASSERT(a, msg) static_assert(a, msg);
# else
# define BLI_STATIC_ASSERT(a, msg) _STATIC_ASSERT(a);
# endif
#elif defined(__COVERITY__)
/* Workaround error with coverity */
# define BLI_STATIC_ASSERT(a, msg)
#elif defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 201112L)
/* C11 */
# define BLI_STATIC_ASSERT(a, msg) _Static_assert(a, msg);
#else
/* Old unsupported compiler */
# define BLI_STATIC_ASSERT(a, msg)
#endif
#define BLI_STATIC_ASSERT_ALIGN(st, align) \
BLI_STATIC_ASSERT((sizeof(st) % (align) == 0), "Structure must be strictly aligned")
/**
* Indicates that this line of code should never be executed. If it is reached, it will abort in
* debug builds and print an error in release builds.
*/
#define BLI_assert_unreachable() \
{ \
_BLI_assert_unreachable_print(__FILE__, __LINE__, __func__); \
BLI_assert_msg(0, "This line of code is marked to be unreachable."); \
} \
((void)0)
#ifdef __cplusplus
}
#endif
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