//////////////// Source.h
#include <iostream>
#include <map>


typedef std::map<uint32_t, uint32_t*> r_t;

#define REG_ARRAY_BASE(name) class array_##name \
{\
public: \
    array_##name(r_t & rep) \
    { \
    } \
protected: \
name m[10]; \
}


#define REG_ARRAY(name, parent_class) class array_##name : public array_##parent_class \
{}\



struct b {
    uint32_t meow;
};

REG_ARRAY_BASE(b);

struct bb : b {

};

REG_ARRAY(bb, b);


struct common {
    static r_t rep;
    array_bb bb{ rep };
};


///////////////////////////////// Source.cpp

#include <iostream>
#include "Source.h"


int main() {


    common c = common();

    std::map<std::uint32_t, array_b *> registers;

    registers[1] = &c.bb;


    return 0;
}