tornavis/source/blender/blenlib/BLI_assert.h

105 lines
3.0 KiB
C

/* SPDX-FileCopyrightText: 2023 Blender Authors
*
* SPDX-License-Identifier: GPL-2.0-or-later */
#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, 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, 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 !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