# File lib/parser/ruby19.rb, line 4659
def _reduce_312(val, _values, result)
                      result = @builder.def_sclass(val[0], val[1], val[2],
                                                   val[5], val[6])

                      @lexer.pop_cmdarg
                      @static_env.unextend

                      @def_level = val[4]
                    
    result
end