tests/base_closure9.nit

   1 # This file is part of NIT ( http://www.nitlanguage.org ).
   2 #
   3 # Copyright 2009 Jean Privat <jean@pryen.org>
   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 import kernel
  18
  19 class A
  20         fun indent(i: Int, j, c: Char)
  21         do
  22                 var ii = i
  23                 while ii > 0 do
  24                         ' '.output
  25                         ii -= 1
  26                 end
  27                 c.output
  28                 j.output
  29                 ','.output
  30                 i.output
  31         end
  32
  33         fun foo(i: Int, j: Char)
  34                 !bar
  35         do
  36                 if i >= 3 then
  37                         indent(i, j, '{')
  38                         bar
  39                         indent(i, j, '}')
  40                         return
  41                 end
  42
  43                 indent(i, j, '[')
  44                 foo(i+1, 'a') !bar do
  45                         foo(i+1, 'b') !bar do
  46                                 foo(i+1, 'c') !bar do
  47                                         indent(i, j, '<')
  48                                         bar
  49                                         indent(i, j, '>')
  50                                 end
  51                         end
  52                 end
  53                 indent(i, j, ']')
  54         end
  55 end
  56
  57 fun start
  58 do
  59         var a = new A
  60         0.output
  61         a.foo(0, 'A') !bar do
  62                 a.foo(0, 'B') !bar do
  63                         a.foo(0, 'C') !bar do
  64                                 1.output
  65                                 #alt1# break
  66                                 #alt2# return
  67                         end
  68                 end
  69         end
  70         2.output
  71 end
  72
  73 start
  74 3.output