74 lines
1.3 KiB
Ruby
74 lines
1.3 KiB
Ruby
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
|
|
def initialize name
|
|
@name = name
|
|
end
|
|
end
|
|
|
|
class RegisterListArgNode < ArgNode
|
|
attr_accessor :registers
|
|
end
|
|
|
|
class NumLiteralArgNode < ArgNode
|
|
attr_accessor :value
|
|
def initialize val
|
|
@value = val
|
|
end
|
|
end
|
|
|
|
class NumEquivAddrArgNode < NumLiteralArgNode
|
|
end
|
|
class LabelRefArgNode < ArgNode
|
|
attr_accessor :label, :label_object
|
|
def initialize label , object = nil
|
|
@label = label
|
|
@label_object = object
|
|
end
|
|
end
|
|
class LabelEquivAddrArgNode < LabelRefArgNode
|
|
end
|
|
|
|
class ParseError < StandardError
|
|
def initialize(message, s)
|
|
super(message)
|
|
end
|
|
end
|
|
end
|