Coded that for Infflux debugger, checks if the line of a file is active (used) using a proto hack instead of editing the luajit code

check_if_fileLineIsActive_SUBFUNCTIONS_HACK.lua

require("printtable")

jit.util = require("jit.util")

local function getSubFunctions(fn)
	local ret = {}
	local i = -1
	while true do
		local const = jit.util.funck(fn, i)
		if not const then return ret end
		if type(const) == "proto" then
			table.insert(ret, const)
		end
		i = i - 1
	end
end

local function isFunctionLineActive(fn, line)
	local linesTable;
	local fnType = type(fn)
	if fnType == "function" then
		linesTable = debug.getinfo(fn, "L").activelines
	elseif fnType == "proto" then
		-- close your eyes
		linesTable = {}
		local bcCount = jit.util.funcinfo(fn).bytecodes
		while (bcCount > 0) do
			linesTable[jit.util.funcinfo(fn, bcCount-1).currentline] = true
			bcCount = bcCount - 1
		end
	end

	if linesTable[line] then return true end
	local subFuncs = getSubFunctions(fn)
	for k, v in ipairs(subFuncs) do
		if isFunctionLineActive(v, line) then return true end
	end
	return false
end

local function checkActiveFile(file, line)
	local fn = loadfile(file)
	return isFunctionLineActive(fn, line)
end

print(checkActiveFile("CURRENT FILE HERE", 41))