MSXException.hh

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#ifndef MSXEXCEPTION_HH
#define MSXEXCEPTION_HH
 
#include "strCat.hh"
 
#include <concepts>
#include <string>
 
namespace openmsx {
 
class MSXException
{
public:
        explicit MSXException() = default;
 
        explicit MSXException(std::string message_)
                : message(std::move(message_)) {}
 
        template<typename T, typename... Args>
                requires(!std::same_as<MSXException, std::remove_cvref_t<T>>) // don't block copy-constructor
        explicit MSXException(T&& t, Args&&... args)
                : message(strCat(std::forward<T>(t), std::forward<Args>(args)...))
        {
        }
 
        [[nodiscard]] const std::string& getMessage() const &  { return message; }
        [[nodiscard]]       std::string  getMessage()       && { return std::move(message); }
 
private:
        std::string message;
};
 
class FatalError
{
public:
        explicit FatalError(std::string message_)
                : message(std::move(message_)) {}
 
        template<typename T, typename... Args>
                requires(!std::same_as<FatalError, std::remove_cvref_t<T>>) // don't block copy-constructor
        explicit FatalError(T&& t, Args&&... args)
                : message(strCat(std::forward<T>(t), std::forward<Args>(args)...))
        {
        }
 
        [[nodiscard]] const std::string& getMessage() const &  { return message; }
        [[nodiscard]]       std::string  getMessage()       && { return std::move(message); }
 
private:
        std::string message;
};
 
} // namespace openmsx
 
#endif