tests/base_attr_abstract4.nit

   1 # This file is part of NIT ( http://www.nitlanguage.org ).
   2 #
   3 # Licensed under the Apache License, Version 2.0 (the "License");
   4 # you may not use this file except in compliance with the License.
   5 # You may obtain a copy of the License at
   6 #
   7 #     http://www.apache.org/licenses/LICENSE-2.0
   8 #
   9 # Unless required by applicable law or agreed to in writing, software
  10 # distributed under the License is distributed on an "AS IS" BASIS,
  11 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  12 # See the License for the specific language governing permissions and
  13 # limitations under the License.
  14
  15 import core::kernel
  16
  17 interface A
  18         var i: Int is abstract
  19         fun j: Int is abstract
  20         fun j=(o: Int) is abstract
  21 end
  22
  23 class B
  24         super A
  25         var k: Int is abstract
  26         fun l: Int is abstract
  27         fun l=(o: Int) is abstract
  28 end
  29
  30 class C
  31         super B
  32         redef fun i do
  33                 'i'.output
  34                 return 1
  35         end
  36         redef fun i=(o) do
  37                 'i'.output
  38                 '='.output
  39                 o.output
  40         end
  41         redef fun j do
  42                 'j'.output
  43                 return 2
  44         end
  45         redef fun j=(o) do
  46                 'j'.output
  47                 '='.output
  48                 o.output
  49         end
  50         redef fun k do
  51                 'k'.output
  52                 return 3
  53         end
  54         redef fun k=(o)
  55         do
  56                 'k'.output
  57                 '='.output
  58                 o.output
  59         end
  60         redef fun l do
  61                 'l'.output
  62                 return 4
  63         end
  64         redef fun l=(o) do
  65                 'l'.output
  66                 '='.output
  67                 o.output
  68         end
  69 end
  70
  71 var c = new C
  72 c.i.output
  73 c.j.output
  74 c.k.output
  75 c.l.output