nl_tokens: Helper function to install a getter - only accessor property .
pl_tokens: function InstallGetter ( object , name , getter , attributes , prefix ) { % CheckIsBootstrapping ( ) ; if ( IS_UNDEFINED ( attributes ) ) attributes = DONT_ENUM ; SetFunctionName ( getter , <mask> , IS_UNDEFINED ( prefix ) ? "get" : prefix ) ; % FunctionRemovePrototype ( getter ) ; % DefineGetterPropertyUnchecked ( object , name , getter , attributes ) ; % SetNativeFlag ( getter ) ; }