Exception.h

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// Exception.h
//
// Copyright (c) 2010, 2014-2015 Michael Imamura.
//
// Licensed under GrokkSoft HoverRace SourceCode License v1.0(the "License");
// you may not use this file except in compliance with the License.
//
// A copy of the license should have been attached to the package from which
// you have taken this file. If you can not find the license you can not use
// this file.
//
//
// The author makes no representations about the suitability of
// this software for any purpose.  It is provided "as is" "AS IS",
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
// implied.
//
// See the License for the specific language governing permissions
// and limitations under the License.

#pragma once

#include <exception>

#if defined(_WIN32) && defined(HR_ENGINE_SHARED)
#   ifdef MR_ENGINE
#       define MR_DllDeclare   __declspec( dllexport )
#   else
#       define MR_DllDeclare   __declspec( dllimport )
#   endif
#else
#   define MR_DllDeclare
#endif

namespace HoverRace {

class MR_DllDeclare Exception : public std::exception
{
    using SUPER = std::exception;

public:
    Exception() : SUPER() { }
    Exception(const std::string &msg) : SUPER(), msg(msg) { }
    Exception(const char *msg) : SUPER(), msg(msg) { }
    virtual ~Exception() noexcept { }

    const char* what() const noexcept override { return msg.c_str(); }

protected:
    std::string &GetMessage() noexcept { return msg; }

private:
    std::string msg;
};

class MR_DllDeclare UnimplementedExn : public Exception
{
    using SUPER = Exception;

public:
    UnimplementedExn() : SUPER() { }
    UnimplementedExn(const std::string &msg) : SUPER(msg) { }
    UnimplementedExn(const char *msg) : SUPER(msg) { }
    virtual ~UnimplementedExn() noexcept { }
};

}  // namespace HoverRace

#undef MR_DllDeclare