module Risc module Builtin class Object module ClassMethods include CompileHelper # self[index] basically. Index is the first arg # return is stored in return_value # (this method returns a new method off course, like all builtin) def get_internal_word( context ) compiler = compiler_for(:Object , :get_internal_word ,{at: :Integer}) source = "get_internal_word" me , index = compiler.self_and_int_arg(source) # reduce me to me[index] compiler.add_slot_to_reg( source , me , index , me) # and put it back into the return value compiler.add_reg_to_slot( source , me , :message , :return_value) return compiler.method end # self[index] = val basically. Index is the first arg , value the second # no return def set_internal_word context compiler = compiler_for(:Object , :set_internal_word , {at: :Integer, :value => :Object} ) source = "set_internal_word" me , index = compiler.self_and_int_arg(source) value = compiler.load_int_arg_at(source , 2) # do the set compiler.add_reg_to_slot( source , value , me , index) return compiler.method end end extend ClassMethods end end end