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fixed stack overflow for 3-or-deeper hierarchies on super construction
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22
class.lua
22
class.lua
@ -100,14 +100,24 @@ local function class(config)
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--get the inherited class for super calls if/as needed
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--get the inherited class for super calls if/as needed
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--allows overrides that still refer to superclass behaviour
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--allows overrides that still refer to superclass behaviour
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c.__super = extends
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c.__super = extends
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--nop by default
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function c:super() end
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--perform a (partial) super construction for an instance
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--for any nested super calls, it'll call the relevant one in the
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--heirarchy, assuming no super calls have been missed
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function c:super(...)
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if not c.__super then return end
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--hold reference so we can restore
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local current_super = c.__super
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--push next super
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c.__super = c.__super.__super
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--call
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current_super.new(self, ...)
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--restore
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c.__super = current_super
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end
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if c.__super then
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if c.__super then
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--perform a super construction for an instance
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function c:super(...)
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c.__super.new(self, ...)
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end
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--implement superclass interface
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--implement superclass interface
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implement(c, c.__super)
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implement(c, c.__super)
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end
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end
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