debug.h

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#ifndef RBT_HEADER_DEBUG
#define RBT_HEADER_DEBUG
 
#ifndef RBT_DEBUG_USE_COLOR
#ifdef RBT_USE_COLOR
#define RBT_DEBUG_USE_COLOR 1
#endif //RBT_USE_COLOR
#endif //RBT_DEBUG_USE_COLOR
 
#ifndef RBT_DEBUG
#define RBT_DEBUG 0
#endif //RBT_DEBUG
 
#ifndef RBT_DEBUG_FD
#define RBT_DEBUG_FD stderr
#endif //RBT_DEBUG_FD
 
#ifndef RBT_DEBUG_INDENT
#define RBT_DEBUG_INDENT 0
#endif //RBT_DEBUG_INDENT
 
// Nested debug messages to facilitate tracing.
#if RBT_DEBUG_INDENT>0
unsigned int RBT_NESTING_LEVEL = 0;
#ifdef __GNUC__
void
__cyg_profile_func_enter(void * this_fn, void * call_site)
{
  RBT_NESTING_LEVEL += RBT_DEBUG_INDENT;
}
 
void
__cyg_profile_func_exit(void * this_fn, void * call_site)
{
  RBT_NESTING_LEVEL -= RBT_DEBUG_INDENT;
}
#else
#error RBT_DEBUG_INDENT is currently only supported when using GCC.
#endif //__GNUC__
#endif //RBT_DEBUG_INDENT>0
 
#ifdef RBT_DEBUG_USE_COLOR
#define RBT_DEBUG_FILENAME_COLOR "\033[34m"
#define RBT_DEBUG_LINENUMBER_COLOR "\033[36m"
#define RBT_DEBUG_FUNCTIONNAME_COLOR "\033[35m"
#define RBT_DEBUG_RESET_COLOR "\033[0m"
#else
#define RBT_DEBUG_FILENAME_COLOR ""
#define RBT_DEBUG_LINENUMBER_COLOR ""
#define RBT_DEBUG_FUNCTIONNAME_COLOR ""
#define RBT_DEBUG_RESET_COLOR ""
#endif //RBT_DEBUG_USE_COLOR
 
 
 
#define debug_print_prefix_flat \
  fprintf(\
    RBT_DEBUG_FD, \
    "%s%s %s%d %s%s(): %s", \
    RBT_DEBUG_FILENAME_COLOR, \
    __FILE__, \
    RBT_DEBUG_LINENUMBER_COLOR, \
    __LINE__, \
    RBT_DEBUG_FUNCTIONNAME_COLOR, \
    __func__, \
    RBT_DEBUG_RESET_COLOR \
  )
 
 
 
#if RBT_DEBUG_INDENT>0
#define debug_print_prefix \
  int i = RBT_NESTING_LEVEL; \
  while(i--) \
  { \
    fprintf(stderr, " "); \
  } \
  debug_print_prefix_flat
#else
#define debug_print_prefix debug_print_prefix_flat
#endif //RBT_DEBUG_INDENT>0
 
 
 
#define debug_printf(fmt, ...) \
do \
{ \
  if (RBT_DEBUG) \
  { \
    debug_print_prefix; \
    fprintf(\
      RBT_DEBUG_FD, \
      fmt, \
      __VA_ARGS__ \
    ); \
  } \
} while (0)
 
 
 
#define debug_print(msg) \
do \
{ \
  if (RBT_DEBUG) \
  { \
    debug_print_prefix; \
    fprintf(\
      RBT_DEBUG_FD, \
      msg \
    ); \
  } \
} while (0)
 
 
 
 
#define debug_print_func(func, print_newline, ...) \
do \
{ \
  if (RBT_DEBUG) \
  { \
    debug_print_prefix; \
    func(RBT_DEBUG_FD, ##__VA_ARGS__); \
    if (print_newline) \
    { \
      fprintf(RBT_DEBUG_FD, "\n"); \
    } \
  } \
} while (0)
 
 
 
#define error_printf(fmt, ...) \
do \
{ \
  fprintf( \
    RBT_DEBUG_FD, \
    "%s %d %s(): " fmt, \
    __FILE__, __LINE__, __func__, fmt, __VA_ARGS__ \
  ); \
} \
while (0) \
 
 
 
#define error_print(msg) \
do \
{ \
  fprintf( \
    RBT_DEBUG_FD, \
    "%s %d %s(): %s", \
    __FILE__, __LINE__, __func__, msg \
  ); \
} \
while (0) \
 
 
 
#endif // RBT_HEADER_DEBUG