logging_macros.h

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#ifndef LOGGING_MACROS_H
#define LOGGING_MACROS_H
#include "logging.h"
 
#ifndef LOG_LEVEL
#define LOG_LEVEL LOG_LEVEL_INFO
#endif
 
// To prevent warnings "conditional expression is constant", we define static booleans
// here instead of directly testing LOG_LEVEL in the if statements in the macros below.
static const bool _lf_log_level_is_log = LOG_LEVEL >= LOG_LEVEL_LOG;
static const bool _lf_log_level_is_debug = LOG_LEVEL >= LOG_LEVEL_DEBUG;
 
#define LF_PRINT_LOG(format, ...)                                                                                      \
  do {                                                                                                                 \
    if (_lf_log_level_is_log) {                                                                                        \
      lf_print_log(format, ##__VA_ARGS__);                                                                             \
    }                                                                                                                  \
  } while (0)
 
#define LF_PRINT_DEBUG(format, ...)                                                                                    \
  do {                                                                                                                 \
    if (_lf_log_level_is_debug) {                                                                                      \
      lf_print_debug(format, ##__VA_ARGS__);                                                                           \
    }                                                                                                                  \
  } while (0)
 
#if defined(NDEBUG)
#define LF_ASSERT(condition, format, ...) (void)(condition)
#define LF_ASSERTN(condition, format, ...) (void)(condition)
#define LF_ASSERT_NON_NULL(pointer) (void)(pointer)
#else
#define LF_ASSERT(condition, format, ...)                                                                              \
  do {                                                                                                                 \
    if (!(condition)) {                                                                                                \
      lf_print_error_and_exit("`" format "`. Failed assertion in %s:%d(%s):(" #condition ") != true`", ##__VA_ARGS__,  \
                              __FILE__, __LINE__, __func__);                                                           \
    }                                                                                                                  \
  } while (0)
#define LF_ASSERTN(condition, format, ...)                                                                             \
  do {                                                                                                                 \
    if (condition) {                                                                                                   \
      lf_print_error_and_exit("`" format "`. Failed assertion in %s:%d(%s):(" #condition ") != false`", ##__VA_ARGS__, \
                              __FILE__, __LINE__, __func__);                                                           \
    }                                                                                                                  \
  } while (0)
#define LF_ASSERT_NON_NULL(pointer)                                                                                    \
  do {                                                                                                                 \
    if (!(pointer)) {                                                                                                  \
      lf_print_error_and_exit("`Out of memory?` Assertion failed in %s:%d(%s):`" #pointer " == NULL`", __FILE__,       \
                              __LINE__, __func__);                                                                     \
    }                                                                                                                  \
  } while (0)
#endif // NDEBUG
#endif // LOGGING_MACROS_H