30 lines
1.0 KiB
Ruby
30 lines
1.0 KiB
Ruby
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module Register
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# Setter is a base class for set instructions (SetSlot and SetByte , possibly more coming)
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#
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# The instruction that is modelled is loading data from an array into a register
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#
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# Setter has a
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# - Register that the data is moved to
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# - an array where the data comes from
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# - and (array) index
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class Setter < Instruction
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# If you had a c array and index offset
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# the instruction would do array[index] = register
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# So Setter means the register (first argument) moves to the slot (array and index)
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def initialize source , register , array , index
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super(source)
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@register = register
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@array = array
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@index = index
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raise "index 0 " if index == 0
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raise "Not integer or reg #{index}" unless index.is_a?(Numeric) or RegisterValue.look_like_reg(index)
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raise "Not register #{register}" unless RegisterValue.look_like_reg(register)
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raise "Not register #{array}" unless RegisterValue.look_like_reg(array)
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end
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attr_accessor :register , :array , :index
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end
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end
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