21 lines
683 B
Ruby
21 lines
683 B
Ruby
#require_relative "type"
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module Positioned
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def position
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if @position.nil?
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str = "IN machine #{Register.machine.objects.has_key?(self.object_id)}, at #{self.object_id.to_s(16)}\n"
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raise str + "position not set for #{self.class} len #{word_length} for #{self.inspect[0...100]}"
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end
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@position
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end
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def position= pos
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raise "Setting of nil not allowed" if pos.nil?
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# resetting of position used to be error, but since relink and dynamic instruction size it is ok.
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# in measures (of 32)
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if @position != nil and ((@position - pos).abs > 32)
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raise "position set again #{pos}!=#{@position} for #{self}"
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end
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@position = pos
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end
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end
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