log.h

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#ifndef ILANG_UTIL_LOG_H__
#define ILANG_UTIL_LOG_H__

#include <set>
#include <string>

#include <glog/logging.h>

namespace ilang {

// Only in Debug mode (Ignored in Release mode)
/******************************************************************************/
#define ILA_DLOG(tag) DLOG_IF(INFO, DebugLog::Find(tag)) << "[" << tag << "] "

#define ILA_INFO DLOG(INFO)
#define ILA_WARN DLOG(WARNING)
#define ILA_ERROR DLOG(ERROR)
#define ILA_INFO_IF(b) DLOG_IF(INFO, b)
#define ILA_WARN_IF(b) DLOG_IF(WARNING, b)
#define ILA_ERROR_IF(b) DLOG_IF(ERROR, b)

#define ILA_ASSERT(b) DLOG_IF(FATAL, !(b))

// Both in Debug and Release mode
// (Use only if high-assurance & non-performance critical)
/******************************************************************************/
#define ILA_CHECK(b) CHECK(b)
#define ILA_CHECK_EQ(a, b) CHECK_EQ(a, b)
#define ILA_CHECK_NE(a, b) CHECK_NE(a, b)
#define ILA_CHECK_STREQ(a, b) CHECK_STREQ(a, b)
#define ILA_NOT_NULL(ptr) CHECK_NOTNULL(ptr)
//#define ILA_NOT_NULL(ptr) CHECK(ptr)

void SetLogLevel(const int& lvl);

void SetLogPath(const std::string& path);

void SetToStdErr(const int& to_err);

// Wrapper for debug tag log system.
/******************************************************************************/
class LogInitter {
public:
  LogInitter();
}; // class LogInitter

class DebugLog {
public:
  static void Enable(const std::string& tag);

  static void Disable(const std::string& tag);

  static void Clear();

  static bool Find(const std::string& tag);

private:
  static std::set<std::string> debug_tags_;

  static LogInitter init_;

}; // class DebugLog

} // namespace ilang

#endif // ILANG_UTIL_LOG_H__