26 lines
963 B
Ruby
26 lines
963 B
Ruby
module Register
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# This implements setting of the various slot variables the vm defines.
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# Basic mem moves, but have to shuffle the type nibbles
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class SetImplementation
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def run block
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block.codes.dup.each do |code|
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next unless code.is_a? Virtual::Set
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tmp = RegisterReference.new(Virtual::Message::TMP_REG)
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if( code.to.is_a? Virtual::NewMessageSlot)
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to = Virtual::Message::NEW_MESSAGE_REG
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move = RegisterMachine.instance.ldr( to , tmp , code.to.index )
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block.replace(code , move )
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elsif( code.to.is_a? Virtual::Self)
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to = RegisterReference.new(Virtual::Message::SELF_REG)
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move = RegisterMachine.instance.ldr( to , tmp , code.to.index )
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block.replace(code , move )
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else
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raise "Start coding #{code.inspect}"
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end
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end
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end
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end
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Virtual::BootSpace.space.add_pass_after SetImplementation , Virtual::GetImplementation
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end
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