tests/syntax_callref.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 redef class Object
  16         fun foo: Object
  17         do
  18                 print "foo{self}"
  19                 return self
  20         end
  21         fun bar: Object
  22         do
  23                 print "baz{self}"
  24                 return self
  25         end
  26         fun baz: Object
  27         do
  28                 print "baz{self}"
  29                 return self
  30         end
  31 end
  32
  33 class Y
  34         var quux: Object = self
  35 end
  36
  37 var x
  38
  39 # self is the implicit receiver
  40 x = &foo
  41 x = &foo.bar
  42 x = &foo.bar.baz
  43 x = (&foo.bar).baz
  44 x = &(foo.bar).baz
  45
  46 var y = new Y
  47 #alt1#x = &y # error since y is a variable
  48 x = &y.foo
  49 x = &y.foo.bar
  50 x = &y.foo.bar.baz
  51 x = (&y.foo.bar).baz
  52 x = &(y.foo.bar).baz
  53
  54 x = &y.quux