exception.h

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/*****************************************************************************
* Multiscale Universal Interface Code Coupling Library                       *
*                                                                            *
* Copyright (C) 2019 Y. H. Tang, S. Kudo, X. Bian, Z. Li, G. E. Karniadakis  *
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* This software is jointly licensed under the Apache License, Version 2.0    *
* and the GNU General Public License version 3, you may use it according     *
* to either.                                                                 *
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* ** GNU General Public License, version 3 **                                *
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#ifndef EXCEPTION_H_
#define EXCEPTION_H_
 
#include "util.h"
 
namespace mui {
 
inline std::ostream& operator << ( std::ostream &out, std::exception const& err ) {
    return ( out << err.what() );
}
 
struct exception_segv {
    explicit inline exception_segv() {
        handle();
    }
    template<typename HEAD, typename ...TAIL>
    inline exception_segv( HEAD const &head, TAIL const &... tail ) {
        handle( head, tail... );
    }
    template<typename HEAD, typename ...TAIL>
    inline void handle( HEAD const &head, TAIL const &... tail ) {
        std::cerr << head;
        handle( tail... );
    }
    inline void handle( void ) {
        raise( SIGSEGV );
    }
};
 
struct exception_abort {
    inline exception_abort( const std::exception& except ) {
        std::cerr << except.what() << std::endl;
        raise( SIGABRT );
    }
};
 
struct exception_throw {
    inline exception_throw( const std::exception& ) {
        throw;
    }
};
 
}
#endif /* EXCEPTION_H_ */