41 lines
1.5 KiB
C++
41 lines
1.5 KiB
C++
#pragma once
|
|
#ifndef MESSMER_CPP_UTILS_ASSERT_ASSERT_H
|
|
#define MESSMER_CPP_UTILS_ASSERT_ASSERT_H
|
|
|
|
/**
|
|
* This implements an ASSERT(expr, msg) macro.
|
|
* In a debug build, it will crash and halt the program on an assert failure.
|
|
* In a release build, it will throw an AssertFailed exception instead, which can then be caught.
|
|
*/
|
|
|
|
#include "AssertFailed.h"
|
|
#include <iostream>
|
|
#include "backtrace.h"
|
|
|
|
namespace cpputils {
|
|
namespace _assert {
|
|
inline std::string format(const char *expr, const char *message, const char *file, int line) {
|
|
std::string result = std::string()+"Assertion ["+expr+"] failed in "+file+":"+std::to_string(line)+": "+message+"\n\n" + backtrace();
|
|
return result;
|
|
}
|
|
|
|
inline void assert_fail_release [[noreturn]] (const char *expr, const char *message, const char *file, int line) {
|
|
throw AssertFailed(format(expr, message, file, line));
|
|
}
|
|
|
|
inline void assert_fail_debug [[noreturn]] (const char *expr, const char *message, const char *file, int line) {
|
|
std::cerr << format(expr, message, file, line) << std::endl;
|
|
abort();
|
|
}
|
|
}
|
|
}
|
|
|
|
#ifdef NDEBUG
|
|
//TODO Check whether disabling assertions in prod affects speed.
|
|
# define ASSERT(expr, msg) (void)((expr) || (cpputils::_assert::assert_fail_release(#expr, msg, __FILE__, __LINE__),0))
|
|
#else
|
|
# define ASSERT(expr, msg) (void)((expr) || (cpputils::_assert::assert_fail_debug(#expr, msg, __FILE__, __LINE__),0))
|
|
#endif
|
|
|
|
#endif
|