rubyx/lib/asm/nodes.rb

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2014-04-16 11:03:39 +02:00
module Asm
class Node
def initialize(s = nil)
yield self if block_given?
end
end
class ToplevelNode < Node
attr_accessor :children
end
class DirectiveNode < Node
attr_accessor :name, :value
end
class LabelNode < Node
attr_accessor :name
end
class InstructionNode < Node
attr_accessor :opcode, :args
end
class ArgNode < Node
end
class ShiftNode < Node
attr_accessor :type, :value, :argument
end
class MathNode < Node
attr_accessor :left, :right, :op
alias_method :argument, :left
alias_method :argument=, :left=
end
class RegisterArgNode < ArgNode
attr_accessor :name
end
class RegisterListArgNode < ArgNode
attr_accessor :registers
end
class NumLiteralArgNode < ArgNode
attr_accessor :value
end
class NumEquivAddrArgNode < NumLiteralArgNode
end
class LabelRefArgNode < ArgNode
attr_accessor :label, :label_object
end
class LabelEquivAddrArgNode < LabelRefArgNode
end
class ReferenceArgNode < ArgNode
attr_accessor :argument
end
class ParseError < StandardError
def initialize(message, s)
super(message)
end
end
end