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/* xbt/asserts.h -- assertion mechanism */
/* Copyright (c) 2005-2025. The SimGrid Team. All rights reserved. */
/* This program is free software; you can redistribute it and/or modify it
* under the terms of the license (GNU LGPL) which comes with this package. */
#ifndef XBT_ASSERTS_H
#define XBT_ASSERTS_H
#include <stdlib.h>
#include <xbt/base.h>
#include <xbt/log.h>
SG_BEGIN_DECL
XBT_PUBLIC_DATA int xbt_log_no_loc; /* Do not show the backtrace on failed backtrace when doing our tests */
XBT_PUBLIC void xbt_backtrace_display_current();
/**
* @addtogroup XBT_error
*
* @{
*/
/** @brief Kill the program in silence */
XBT_ATTRIB_NORETURN XBT_PUBLIC void xbt_abort(void);
/**
* @brief Kill the program with an error message
* @param ... a format string and its arguments
*
* Things are so messed up that the only thing to do now, is to stop the program.
*
* The message is handled by a CRITICAL logging request, and may consist of a format string with arguments.
*/
#define xbt_die(...) \
do { \
XBT_CCRITICAL(root, __VA_ARGS__); \
xbt_abort(); \
} while (0)
/**
* @brief Those are the SimGrid version of the good ol' assert macro.
*
* You can pass them a format message and arguments, just as if it where a printf.
* It is converted to a XBT_CRITICAL logging request.
* An execution backtrace is also displayed, unless the option --log=no_loc is given at run-time.
*
* Unlike the standard assert, xbt_assert is never disabled, even if the macro NDEBUG is defined at compile time. So
* it's safe to have a condition with side effects.
*/
/** @brief The condition which failed will be displayed.
@hideinitializer */
#define xbt_assert(...) \
_XBT_IF_ONE_ARG(_xbt_assert_ARG1, _xbt_assert_ARGN, __VA_ARGS__)(__VA_ARGS__)
#define _xbt_assert_ARG1(cond) _xbt_assert_ARGN((cond), "Assertion %s failed", #cond)
#define _xbt_assert_ARGN(cond, ...) \
do { \
if (!(cond)) { \
XBT_CCRITICAL(root, __VA_ARGS__); \
if (!xbt_log_no_loc) \
xbt_backtrace_display_current(); \
abort(); \
} \
} while (0)
/** @} */
SG_END_DECL
#endif /* XBT_ASSERTS_H */
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