【框架设计】数值配置引用校验器：配置依赖的静态检查设计

local REFS = {
    { from = "drop_table", key = "item_id", to = "item_table" },
    { from = "quest_table", key = "drop_id", to = "drop_table" },
}
local function checkRefs(tables)
    local errs = {}
    for _, r in ipairs(REFS) do
        local src = tables[r.from]
        local dst = tables[r.to]
        if src == nil or dst == nil then
            errs[#errs + 1] = "table missing: " .. r.from
        else
            for _, row in pairs(src) do
                local id = row[r.key]
                if id ~= nil and dst[id] == nil then
                    errs[#errs + 1] = r.from .. "[" .. tostring(id) .. "] 未在 " .. r.to .. " 定义"
                end
            end
        end
    end
    return errs
end

local RULES = {
    { table = "drop_table", field = "rate", min = 0, max = 10000 },
    { table = "activity", field = "duration", min = 1, max = 2592000 },
}
local function checkRanges(tables)
    local errs = {}
    for _, r in ipairs(RULES) do
        for _, row in pairs(tables[r.table] or {}) do
            local v = row[r.field]
            if v == nil or v < r.min or v > r.max then
                errs[#errs + 1] = r.table .. "." .. r.field .. "=" .. tostring(v) .. " 越界"
            end
        end
    end
    return errs
end