README

It's trace tool for lua.

You can use trace.trace("varname") to trace the code execute. For example, if you run "lua main.lua" , you may got

main.lua : 12 main.lua : 4 n local 100 main.lua : 7 main.lua : 4 n local 99 main.lua : 7 main.lua : 4 n local 98 main.lua : 7 main.lua : 13 n global nil s local 9.3326215443944e+157

http://blog.codingnow.com/2012/02/lua_trace.html (In Chinese)