How to figure out what line a piece of code/function is on?

[straightpipedF82 (syntax)]

ex.

[HugeCoolboy2007 (omega)]

This may help:

How to get line in which __index metamethod trigges

I think debug.info is what you are looking for. This example code prints 9, which is the number of the line t[1] = t[1]. local mt = {} function mt:__index(k, v) print(debug.info(2, "l")) end local t = {} setmetatable(t, mt) t[1] = t[1]