logutil.h

///
/// 2019-2021 Tong Zhang<ztong0001@gmail.com>
///
#ifndef _LOG_UTIL_
#define _LOG_UTIL_

#include "color.h"
#include <ctime>
#include <fstream>
#include <iostream>

#define outs() std::cout
#define errs() std::cerr

#define WARN(X)                                                                \
  outs() << ANSI_COLOR_YELLOW << "WARN:" << X << ANSI_COLOR_RESET << "\n"

#define ERROR(X)                                                               \
  outs() << ANSI_COLOR_RED << "ERROR:" << X << ANSI_COLOR_RESET << "\n"

#define INFO(X) outs() << ANSI_COLOR_RESET << "INFO:" << X << "\n"

#define unreachable(XXX)                                                       \
  {                                                                            \
    errs() << ANSI_COLOR_RED << __FILE__ << ":" << __LINE__ << " " << XXX      \
           << ANSI_COLOR_RESET << "\n";                                        \
    throw;                                                                     \
  }

#define hexval(X) "0x" << std::hex << (uintptr_t)X << std::dec

///
/// log to file -- append mode
///

#define LOG_TO_FILE(X, Y)                                                      \
  if (1) {                                                                     \
    std::ofstream log;                                                         \
    log.open(X, std::ofstream::out | std::ofstream::app);                      \
    std::time_t result = std::time(nullptr);                                   \
    log << std::asctime(std::localtime(&result)) << Y << "\n";                 \
    log.close();                                                               \
  }

#endif