43 lines
1.0 KiB
Ruby
43 lines
1.0 KiB
Ruby
module Virtual
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MESSAGE_CALLER = 0
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MESSAGE_RETURN_ADDRESS = 1
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MESSAGE_EXCEPTION_ADDRESS = 2
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MESSAGE_SELF = 3
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MESSAGE_NAME = 4
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MESSAGE_RETURN_VALUE = 5
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MESSAGE_FRAME = 6
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MESSAGE_PAYLOAD = 7
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# The current Message is one of four objects the virtual machine knows
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#
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# Slots represent instance variables of objects, so MessageSlots
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# represent instance variables of Message objects.
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# The Message has a layout as per the constant above
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class MessageSlot < Slot
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def initialize index , type = Unknown , value = nil
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super(index ,type , value )
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end
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end
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class Return < MessageSlot
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def initialize type = Unknown, value = nil
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super( MESSAGE_RETURN_VALUE , type , value )
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end
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end
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class Self < MessageSlot
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def initialize type = Unknown, value = nil
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super( MESSAGE_SELF , type , value )
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end
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end
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# Name of the current message
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class Name < MessageSlot
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def initialize type = Unknown, value = nil
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super( MESSAGE_NAME , type , value )
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end
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end
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end
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