util/logger.lua

   1
   2 local format = string.format;
   3 local print = print;
   4 local debug = debug;
   5 local tostring = tostring;
   6 module "logger"
   7
   8 function init(name)
   9         --name = nil; -- While this line is not commented, will automatically fill in file/line number info
  10         return  function (level, message, ...)
  11                                 if not name then
  12                                         local inf = debug.getinfo(3, 'Snl');
  13                                         level = level .. ","..tostring(inf.short_src):match("[^/]*$")..":"..inf.currentline;
  14                                 end
  15                                 if ... then
  16                                         print(name, level, format(message, ...));
  17                                 else
  18                                         print(name, level, message);
  19                                 end
  20                         end
  21 end
  22
  23 return _M;