os-k/kaleid/include/common/kalassrt.h

109 lines
2.8 KiB
C

//----------------------------------------------------------------------------//
// GNU GPL OS/K //
// //
// Authors: spectral` //
// NeoX //
// //
// Desc: Kaleid assert() support //
//----------------------------------------------------------------------------//
#ifndef _KALASSRT_H
#define _KALASSRT_H
//------------------------------------------//
// Macros //
//------------------------------------------//
#ifndef noreturn
#define noreturn __attribute__((__noreturn__))
#endif
#ifndef unlikely
#define unlikely(x) (__builtin_expect((x), 0))
#endif
#ifndef static_assert
#define static_assert _Static_assert
#endif
//------------------------------------------//
// API compatibility checks //
//------------------------------------------//
#define _SA_MSG "Incompatible type sizes"
static_assert(sizeof(char) == 1, _SA_MSG);
static_assert(sizeof(short) == 2, _SA_MSG);
static_assert(sizeof(int) == 4, _SA_MSG);
static_assert(sizeof(long) == 8, _SA_MSG);
static_assert(sizeof(void *) == 8, _SA_MSG);
#undef _SA_MSG
//------------------------------------------//
// When debugging //
//------------------------------------------//
#if !defined(_NO_DEBUG) && !defined(NDEBUG) && !defined(assert)
#ifdef _OSK_SOURCE
//
// Failed assert handler
//
noreturn void _assert_handler(const char *, const char *, int, const char *);
//
// Checks whether (x) holds, if not call _assert_handler
//
#define assert(x) \
do { \
if unlikely (!(x)) \
_assert_handler(#x, __FILE__, __LINE__, __func__); \
} while (0);
#else
//
// When not building for OS/K, use the system's assert
//
#include <assert.h>
#endif
//------------------------------------------//
// When not debugging //
//------------------------------------------//
#else
#ifndef NDEBUG
#define NDEBUG 1
#endif
#ifndef _NO_DEBUG
#define _NO_DEBUG 1
#endif
#ifndef assert
#define assert(x) ((void)0)
#endif
#endif
//------------------------------------------//
// Aliases for assert() //
//------------------------------------------//
#ifndef Assert
#define Assert assert
#endif
#ifndef KalAssert
#define KalAssert assert
#endif
//------------------------------------------//
// End of header //
//------------------------------------------//
#endif