tests/test_ni_accessor.nit

   1 # This file is part of NIT ( http://www.nitlanguage.org ).
   2 #
   3 # Copyright 2011 Alexis Laferrière <alexis.laf@xymus.net>
   4 #
   5 # Licensed under the Apache License, Version 2.0 (the "License");
   6 # you may not use this file except in compliance with the License.
   7 # You may obtain a copy of the License at
   8 #
   9 #     http://www.apache.org/licenses/LICENSE-2.0
  10 #
  11 # Unless required by applicable law or agreed to in writing, software
  12 # distributed under the License is distributed on an "AS IS" BASIS,
  13 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14 # See the License for the specific language governing permissions and
  15 # limitations under the License.
  16
  17 class A
  18         readable var _r : String = "r"
  19         writable var _w : String = "w"
  20         readable writable var _rw : String = "rw"
  21
  22         fun print_all is extern import String::to_cstring, r, rw
  23         fun modify is extern import String::from_cstring, w=, rw=
  24 end
  25
  26 class B
  27         fun print_and_modify( a : A ) is extern import A::rw, A::rw=, String::to_cstring, String::from_cstring
  28 end
  29
  30 var a = new A
  31 a.print_all
  32 a.modify
  33 a.print_all
  34
  35 var b = new B
  36 b.print_and_modify( a )