【框架设计】模块生命周期钩子：加载顺序与卸载的统一管理** <!--TAGS: 框架设计,模块,生命周期

local MODULES = {
    { name = "var",    deps = {} },
    { name = "guild",  deps = { "var" } },
    { name = "redname", deps = { "var", "guild" } },
    { name = "mentor", deps = { "var" } },
}
local function topoSort()
    local sorted, done = {}, {}
    local function visit(m)
        if done[m.name] then return end
        for _, d in ipairs(m.deps) do
            visit(MODULES[d] or error("unknown module:" .. d))
        end
        done[m.name] = true
        sorted[#sorted + 1] = m
    end
    for _, m in ipairs(MODULES) do visit(m) end
    return sorted
end

function bootAll()
    local ok, err = pcall(function()
        for _, m in ipairs(topoSort()) do
            m.load and m.load()
            m.start and m.start()
        end
    end)
    if not ok then
        setsysvar("BOOT_ERR", tostring(err))
    end
end