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#pragma once
#include <cstdio>
#include <type_traits>
#ifdef __GNUG__
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wunused-macros"
#ifdef __clang__
# define FM_KILL_PRINTF_WARN_1_2() \
_Pragma("clang diagnostic push") \
_Pragma("clang diagnostic ignored \"-Wformat-nonliteral\"")
# define FM_KILL_PRINTF_WARN_2_2() _Pragma("clang diagnostic pop")
#else
#define FM_KILL_PRINTF_WARN_1_2()
#define FM_KILL_PRINTF_WARN_2_2()
#endif
#define FM_KILL_PRINTF_WARN_1() \
_Pragma("GCC diagnostic push") \
_Pragma("GCC diagnostic ignored \"-Wdouble-promotion\"") \
FM_KILL_PRINTF_WARN_1_2()
#define FM_KILL_PRINTF_WARN_2() _Pragma("GCC diagnostic pop") FM_KILL_PRINTF_WARN_2_2()
#else
#define FM_KILL_PRINTF_WARN_1()
#define FM_KILL_PRINTF_WARN_2()
#endif
namespace floormat {
[[noreturn]] [[maybe_unused]] static inline void _fm_abort() {
*(volatile int*)nullptr = 0;
for (;;)
;
}
} // namespace floormat
#define fm_EMIT_DEBUG2(pfx, ...) \
do { \
if (!std::is_constant_evaluated()) \
{ \
if constexpr (sizeof(pfx) > 1) \
std::fputs((pfx), stderr); \
FM_KILL_PRINTF_WARN_1() \
std::fprintf(stderr, __VA_ARGS__); \
FM_KILL_PRINTF_WARN_2() \
} \
} while (false)
#define fm_EMIT_DEBUG(pfx, ...) \
do { \
if (!std::is_constant_evaluated()) \
{ \
fm_EMIT_DEBUG2(pfx, __VA_ARGS__); \
std::fputc('\n', stderr); \
std::fflush(stderr); \
} \
} while (false)
#define fm_abort(...) \
do { \
fm_EMIT_DEBUG2("fatal: ", __VA_ARGS__); \
fm_EMIT_DEBUG("", " in %s:%d", __FILE__, __LINE__); \
::floormat::_fm_abort(); \
} while (false)
#define fm_assert(...) \
do { \
if (!(__VA_ARGS__)) [[unlikely]] { \
fm_EMIT_DEBUG("", "assertion failed: %s in %s:%d", \
#__VA_ARGS__, __FILE__, __LINE__); \
::floormat::_fm_abort(); \
} \
} while(false)
#ifndef FM_NO_DEBUG
#define fm_debug_assert(...) fm_assert(__VA_ARGS__)
#else
#define fm_debug_assert(...) void()
#endif
#define fm_warn(...) fm_EMIT_DEBUG("warning: ", __VA_ARGS__)
#define fm_error(...) fm_EMIT_DEBUG("error: ", __VA_ARGS__)
#define fm_log(...) fm_EMIT_DEBUG("", __VA_ARGS__)
#define fm_debug(...) fm_EMIT_DEBUG("", __VA_ARGS__)
#define fm_warn_once(...) do { \
static bool _fm_once_flag = false; \
if (!_fm_once_flag) [[unlikely]] { \
_fm_once_flag = true; \
fm_warn(__VA_ARGS__); \
} \
} while (false)
#ifdef __GNUG__
# pragma GCC diagnostic pop
#endif
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