#include <iostream>
#include <sstream>
#include <string>

#define FILELINE( l ) __FILE__ #l

struct fileline
{
	virtual std::string msg()
	{
		return std::string();
	}
};

template <const char * file, int line>
struct filelineT
{
	virtual std::string msg()
	{
		std::ostringstream ss;
		ss << file << ':' << line;
		return ss.str();
	}
};

std::string flfunc( const char * f = __FILE__, int l = __LINE__ )
{
	std::ostringstream ss;
	ss << f << ':' << l;
	return ss.str();
}

#define FLFUNC flfunc( __FILE__, __LINE__ )

//#define filelineM {static const char * tmp = __FILE__; filelineT<tmp,__LINE__>}

//template <

struct A
{
	std::string myName;


	A( std::string n = FLFUNC )
	: myName( n )
	{}
};

int main ()
{
	A a1( FLFUNC );
	A a2( FLFUNC );
	std::cout << a1.myName << std::endl;
	std::cout << a2.myName << std::endl;

	return 0;
}