51 lines
971 B
Ruby
51 lines
971 B
Ruby
module Asm
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class Node
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end
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class InstructionNode < Node
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attr_accessor :opcode, :args
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end
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class ShiftNode < Node
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attr_accessor :type, :value, :argument
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end
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class RegisterNode < Node
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attr_accessor :name
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def initialize name
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@name = name
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end
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end
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#maybe not used at all as code_gen::instruction raises if used.
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# instead now using Arrays
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class RegisterListNode < Node
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attr_accessor :registers
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def initialize regs
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@registers = regs.collect{ |sym , reg| (sym == :reg) ? reg : "not a reg #{sym} , #{reg}" }
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end
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end
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class NumLiteralNode < Node
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attr_accessor :value
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def initialize val
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@value = val
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end
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end
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class LabelRefNode < Node
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attr_accessor :label, :label_object
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def initialize label , object = nil
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@label = label
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@label_object = object
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end
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end
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class ParseError < StandardError
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def initialize(message, s)
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super(message)
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end
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end
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end
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