lib/cocoa/examples/cocoa_extern_types.nit

   1 # This file is part of NIT ( http://www.nitlanguage.org ).
   2 #
   3 # Copyright 2014 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 # Test extern classes from the Cocoa framework and extern factories
  18 module cocoa_extern_types is example
  19
  20 import cocoa
  21
  22 in "ObjC Header" `{
  23         // for `NSString::hello`
  24         #import <Foundation/Foundation.h>
  25 `}
  26
  27 redef extern class NSString
  28
  29         # Additionnal factory
  30         new hello in "ObjC" `{ return @"Factory Hello"; `}
  31 end
  32
  33 # Print a custom string to the log
  34 fun nslog(text: NSString) in "ObjC" `{
  35         NSLog(text);
  36 `}
  37
  38 nslog "Hello using to_nsstring".to_nsstring
  39 nslog new NSString.hello
  40
  41 var msg_box = new NSAlert
  42 msg_box.message_text = "From Nit".to_nsstring
  43 if "NIT_TESTING".environ != "true" then msg_box.run_modal