66 lines
1.5 KiB
Lua
66 lines
1.5 KiB
Lua
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local rawget = _G.rawget
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local rawset = _G.rawset
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local rawequal = _G.rawequal
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local type = _G.type
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local getmetatable = _G.getmetatable
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local require = _G.require
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local GetUProperty = GetUProperty
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local SetUProperty = SetUProperty
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local NotExist = {}
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local function Index(t, k)
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local mt = getmetatable(t)
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local super = mt
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while super do
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local v = rawget(super, k)
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if v ~= nil and not rawequal(v, NotExist) then
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rawset(t, k, v)
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return v
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end
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super = rawget(super, "Super")
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end
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local p = mt[k]
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if p ~= nil then
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if type(p) == "userdata" then
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return GetUProperty(t, p)
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elseif type(p) == "function" then
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rawset(t, k, p)
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elseif rawequal(p, NotExist) then
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return nil
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end
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else
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rawset(mt, k, NotExist)
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end
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return p
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end
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local function NewIndex(t, k, v)
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local mt = getmetatable(t)
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local p = mt[k]
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if type(p) == "userdata" then
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return SetUProperty(t, p, v)
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end
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rawset(t, k, v)
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end
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local function Class(super)
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local new_class = {}
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local super_class = nil
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if type(super) == "table" then --lua class
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for k,v in pairs(super) do
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new_class[k] = v
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end
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elseif super ~= nil then -- c++ class
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super_class = require(super)
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end
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new_class.__index = Index
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new_class.__newindex = NewIndex
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new_class.Super = super_class
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return new_class
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end
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_G.import = import
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UnLua.Class = Class
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