vm/debug.hpp

   1 namespace factor {
   2
   3 extern bool factor_print_p;
   4
   5 #ifdef FACTOR_DEBUG
   6
   7 // To chop the directory path of the __FILE__ macro.
   8 inline const char* abbrev_path(const char* path) {
   9   const char* p1 = strrchr(path, '\\');
  10   const char* p2 = strrchr(path, '/');
  11   return (p1 > p2 ? p1 : p2) + 1;
  12 }
  13
  14 #define FACTOR_PRINT(x)                                          \
  15   do {                                                           \
  16     if (factor_print_p) {                                        \
  17       std::cerr                                                  \
  18           << std::setw(16) << std::left << abbrev_path(__FILE__) \
  19           << " " << std::setw(4) << std::right << __LINE__       \
  20           << " " << std::setw(20) << std::left << __FUNCTION__   \
  21           << " " << x                                            \
  22           << std::endl;                                          \
  23     }                                                            \
  24   } while (0)
  25 #define FACTOR_PRINT_MARK FACTOR_PRINT("")
  26
  27 #else
  28 #define FACTOR_PRINT(fmt, ...) ((void)0)
  29 #define FACTOR_PRINT_MARK ((void)0)
  30 #endif
  31
  32 }