rubyx/lib/virtual/positioned.rb

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require_relative "type"
module Positioned
def position
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if @position == nil
raise "position accessed but not set at #{mem_length} for #{self.inspect[0...500]}"
end
@position
end
def set_position pos
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# resetting of position used to be error, but since relink and dynamic instruction size it is ok.
# 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}"
end
@position = pos
end
end