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35 lines
1.0 KiB
35 lines
1.0 KiB
local myname, ns = ...
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local Base = {
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Initialize = function() end,
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__get = {},
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}
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ns.Class = function(def)
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local class = def or {}
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local class_meta = {
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__index = function(self, index)
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local class_walked = class
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repeat
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local val = rawget(class_walked, index)
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if val ~= nil then return val end
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if class_walked.__get[index] then return class_walked.__get[index](self) end
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class_walked = class_walked.__parent
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until class_walked == nil
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end,
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}
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setmetatable(class, {
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__call = function(_, ...)
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local self = {}
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setmetatable(self, class_meta)
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self:Initialize(...)
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return self
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end,
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-- inheritance, this is it:
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__index = def.__parent,
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})
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-- avoid needing to care about rawget later:
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class.Initialize = class.Initialize or Base.Initialize
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class.__get = class.__get or Base.__get
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return class
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end
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