module Vm # name and args , return class CallSite < Value def initialize(name , args , function ) @name = name @args = args @function = function end attr_reader :function , :args , :name def load_args into args.each_with_index do |arg , index| if arg.is_a?(IntegerConstant) or arg.is_a?(StringConstant) Vm::Integer.new(index).load into , arg else Vm::Integer.new(index).move( into, arg ) if arg.register != index end end end def do_call into RegisterMachine.instance.function_call into , self end end end