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// ************************************************************************************************
//
// BornAgain: simulate and fit reflection and scattering
//
//! @file Base/Util/Assert.h
//! @brief Defines the macro ASSERT.
//!
//! @homepage http://www.bornagainproject.org
//! @license GNU General Public License v3 or higher (see COPYING)
//! @copyright Forschungszentrum Jülich GmbH 2018
//! @authors Scientific Computing Group at MLZ (see CITATION, AUTHORS)
//
// ************************************************************************************************
#ifdef SWIG
#error no need to expose this header to Swig
#endif // SWIG
#ifndef BORNAGAIN_BASE_UTIL_ASSERT_H
#define BORNAGAIN_BASE_UTIL_ASSERT_H
#include <stdexcept>
#include <string>
class bug : public std::runtime_error {
public:
bug(std::string msg)
: std::runtime_error(msg)
{
}
};
// ASSERT macro: terminate if condition is false.
//
// Implementation notes:
// - Must be declared as a macro, not a function, so that we can use preprocessor
// macros for informative error messages.
#ifdef BA_DEBUG
#include <csignal>
#include <iostream>
#define ASSERT(condition) \
if (!(condition)) { \
std::cerr << "Assertion " #condition " failed in " __FILE__ ", line " << __LINE__ \
<< std::endl; \
std::raise(SIGTERM); /* abort so that we can inspect the backtrace */ \
throw std::runtime_error("Assertion failed ... and we should never get here"); \
}
#define ASSERT_NEVER \
{ \
std::cerr << "Reached forbidden case in " __FILE__ ", line " << __LINE__ << std::endl; \
std::raise(SIGTERM); /* abort so that we can inspect the backtrace */ \
throw std::runtime_error("Forbidden case ... and we should never get here"); \
}
#else // not BA_DEBUG
#define ASSERT(condition) \
if (!(condition)) \
throw bug("Assertion " #condition " failed in " __FILE__ ", line " \
+ std::to_string(__LINE__) + ".");
#define ASSERT_NEVER \
throw bug("Reached forbidden case in " __FILE__ ", line " + std::to_string(__LINE__) + ".");
#endif // BA_DEBUG
#endif // BORNAGAIN_BASE_UTIL_ASSERT_H
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