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// enum_helper_pre.h

#ifndef delimiter 
    #define delimiter , 
#endif 
 
 
#ifndef enumeration_begin 
    #define enumeration_begin(arg) enum arg { 
#endif 
 
#ifndef enumeration_end 
    #ifdef last_enumerator 
        #define enumeration_end delimiter last_enumerator } 
    #else 
        #define enumeration_end } 
    #endif 
#endif 
 
#ifndef declare_member 
    #define declare_member(arg) arg 
#endif 
 
#ifndef member_value 
    #define member_value(arg) = arg 
#endif 


// enum_helper_post.h

#undef delimiter 
#undef enumeration_begin 
#undef enumeration_end 
#undef last_enumerator 
#undef declare_member 
#undef member_value


// color.h

#include "enum_helper_pre.h" 
 
enumeration_begin(color) 
declare_member(RED) member_value(-2) delimiter 
declare_member(GREEN) delimiter 
declare_member(BLUE) member_value(5) delimiter 
declare_member(BRIGHTNESS) 
enumeration_end; 
 
#include "enum_helper_post.h"


// main.cpp

#include <iostream> 
#include <string> 
#include <boost/bimap.hpp> 
#include <boost/preprocessor/stringize.hpp> 
 
#include "color.h" 
 
int main(int argc,char* argv[]) 
{ 
    typedef boost::bimap<color,std::string> map_type; 
    map_type color_map; 
    #define declare_member(arg) color_map.insert( map_type::value_type(arg,BOOST_PP_STRINGIZE(arg)) ) 
    #define delimiter ; 
    #define enumeration_begin(arg) 
    #define enumeration_end 
    #define member_value(arg) 
    #include "color.h" 
 
    std::cout<<color_map.left.at(RED)<<std::endl; 
    std::cout<<color_map.left.at(BLUE)<<std::endl; 
    std::cout<<color_map.right.at("GREEN")<<std::endl; 
    std::cout<<color_map.right.at("BRIGHTNESS")<<std::endl; 
    return 0; 
}

// Output

RED 
BLUE 
-1 
6