#ifndef _TRISKELE_DEBUG_HPP
#define _TRISKELE_DEBUG_HPP

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

#ifdef SMART_LOG

#ifndef DEF_LOG
#define DEF_LOG(name, expr) ::triskele::Log log (name); { std::cerr << expr << std::endl << std::flush; }
//#define DEF_LOG_(name) DEF_LOG(name, "") XXXX
#endif

#ifndef LOG
#define LOG(expr) { std::cerr << log << "| " << expr << std::endl << std::flush; }
#endif

#ifndef DEBUG
#define DEBUG(expr) { std::cerr << expr << std::endl << std::flush; }
#endif

#else

#ifndef DEF_LOG
#define DEF_LOG(name, expr)
//#define DEF_LOG_(name) XXXX
#endif

#ifndef LOG
#define LOG(expr)
#endif

#ifndef DEBUG
#define DEBUG(expr)
#endif

#endif


namespace triskele {

  // ========================================
  using namespace std;

  class Log {
    static unsigned int indent;
    string functName;
  public:
    Log (const string &funct) : functName (funct) { ++indent; cerr << *this << "> "; }
    ~Log () { cerr << *this << "<" << endl << flush; --indent; }
    friend inline ostream &operator << (ostream &out, const Log &log) {
      return out << setw (3) << setw ((log.indent % 20)*2) << "" << log.functName;
    }
  };

  // ========================================
}//namespace triskele

#endif //_TRISKELE_DEBUG_HPP