error.hh

#ifndef SUBORDINATION_BASE_ERROR_HH
#define SUBORDINATION_BASE_ERROR_HH

#include <iosfwd>
#include <stdexcept>

namespace sbn {

    class error: public std::runtime_error {

    private:
        const char* _file = "<unknown>";
        int _line = 0;
        const char* _func = "<unknown>";

    public:
        inline explicit
        error(const char* msg) noexcept:
        std::runtime_error(msg)
        {}

        virtual ~error() noexcept = default;

        inline const error&
        set_location(const char* file, int line, const char* func) noexcept {
            this->_file = file;
            this->_line = line;
            this->_func = func;
            return *this;
        }

        friend std::ostream&
        operator<<(std::ostream& out, const error& rhs);

    };

    std::ostream&
    operator<<(std::ostream& out, const error& rhs);

}

#define SUBORDINATION_THROW(error, ...) \
    throw ::sbn::error(__VA_ARGS__).set_location(__FILE__,__LINE__,__func__)

#endif // vim:filetype=cpp