calendar-daemon/io/debug.h

#pragma once

#include <iostream>
#include <string>

struct X {
#ifdef LOG_DEBUG
    X() { if(false) std::cout.setstate(std::ios_base::failbit); }
    ~X() { if(false) { std::cout.clear(); } else { std::cout << std::endl << std::flush; } }
#else
    X() { std::cout.setstate(std::ios_base::failbit); }
    ~X() { std::cout.clear(); }
#endif
};

#define DEBUG (X(), std::cout << "DEBUG[" << __FILE__ << ":" << __LINE__ << " in " << __func__ << "()]: ")
#define WARN  (X(), std::cout << "WARN [" << __FILE__ << ":" << __LINE__ << " in " << __func__ << "()]: ")

#ifdef LOG_DEBUG
#define STEP \
  do { DEBUG << "Stepping through, Hit Enter..."; \
    std::cin.get(); \
  } while (0)
#else
#define STEP (void)(0)
#endif

namespace io {
  void debug(std::string msg);
}