calendar-daemon/io/debug.h

#pragma once

#include <iostream>
#include <string>

struct print {
    print() { if(false) std::cout.setstate(std::ios_base::failbit); }
    ~print() { if(false) { std::cout.clear(); } else { std::cout << std::endl << std::flush; } }
};

struct noprint {
    noprint() { if(true) std::cout.setstate(std::ios_base::failbit); }
    ~noprint() { if(true) { std::cout.clear(); } else { std::cout << std::endl << std::flush; } }
};



#ifdef LOG_DEBUG
  #define DEBUG (print(), std::cout << "DEBUG[" << __FILENAME__ << ":" << __LINE__ << " in " << __func__ << "()]: ")
  #define WARN  (print(), std::cout << "WARN [" << __FILENAME__ << ":" << __LINE__ << " in " << __func__ << "()]: ")
#else
  #define DEBUG (noprint(), std::cout << "")
  #define WARN  (noprint(), std::cout << "")
#endif

#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);
}