81 lines
1.4 KiB
Ruby
81 lines
1.4 KiB
Ruby
|
module Asm
|
||
|
|
|
||
|
|
class Node
|
||
|
|
def initialize(s = nil)
|
||
|
|
if (s)
|
||
|
|
@line = s.prev_line
|
||
|
|
@column = s.prev_column
|
||
|
|
else
|
||
|
|
@line = 0
|
||
|
|
@column = 0
|
||
|
|
end
|
||
|
|
|
||
|
|
yield self if block_given?
|
||
|
|
end
|
||
|
|
attr_reader :line, :column
|
||
|
|
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)
|
||
|
|
|
||
|
|
@line = s.line
|
||
|
|
@column = s.column
|
||
|
|
end
|
||
|
|
attr_reader :line, :column
|
||
|
|
end
|
||
|
|
end
|