local bc = require("jit.bc")

local lua = [[
local asd=nil
asd=nil
asd=nil
asd=1
asd=nil
do
    local asd=2
end

b=1
]]

local t = {}

local out = {
    -- Do something with each line:
    write = function(t, ...) logn(...) end,
    close = function(t) end,
    flush = function(t) end,
}

print(lua)

bc.dump(loadstring(lua), out, true)