【高级技巧】脚本瘦身：未使用函数的定期清理

local refMap = {}
local function scanRefs()
    local seen = {}
    local function walk(t, path, depth)
        if depth > 5 or seen[t] then
            return
        end
        seen[t] = true
        for k, v in pairs(t) do
            if type(v) == "function" then
                refMap[path .. "." .. tostring(k)] =
                    (refMap[path .. "." .. tostring(k)] or 0) + 1
            elseif type(v) == "table" then
                walk(v, path .. "." .. tostring(k), depth + 1)
            end
        end
    end
    for k, v in pairs(_G) do
        if type(v) == "function" then
            refMap[tostring(k)] = (refMap[tostring(k)] or 0) + 1
        elseif type(v) == "table" then
            walk(v, tostring(k), 1)
        end
    end
end
local function reportDead(candidates)
    for _, name in ipairs(candidates) do
        if refMap[name] == nil then
            print("死函数候选：" .. name)
        end
    end
end

reportDead({ "oldFireCalc", "legacyEscort", "testTmp" })