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      1 #import <Foundation/Foundation.h>
      2 
      3 @protocol MyProtocol
      4 
      5 -(const char *)hello;
      6 
      7 @end
      8 
      9 @interface BaseClass : NSObject
     10 {
     11   int _backedInt;
     12   int _access_count;
     13 }
     14 
     15 - (int) nonexistantInt;
     16 - (void) setNonexistantInt: (int) in_int;
     17 
     18 - (int) myGetUnbackedInt;
     19 - (void) mySetUnbackedInt: (int) in_int;
     20 
     21 - (int) getAccessCount;
     22 
     23 +(BaseClass *) baseClassWithBackedInt: (int) inInt andUnbackedInt: (int) inOtherInt;
     24 
     25 @property(getter=myGetUnbackedInt,setter=mySetUnbackedInt:) int unbackedInt;
     26 @property int backedInt;
     27 @property (nonatomic, assign) id <MyProtocol> idWithProtocol;
     28 @end
     29 
     30 @implementation BaseClass
     31 @synthesize unbackedInt;
     32 @synthesize backedInt = _backedInt;
     33 
     34 + (BaseClass *) baseClassWithBackedInt: (int) inInt andUnbackedInt: (int) inOtherInt
     35 {
     36   BaseClass *new = [[BaseClass alloc] init];
     37   
     38   new->_backedInt = inInt;
     39   new->unbackedInt = inOtherInt;
     40 
     41   return new;
     42 }
     43 
     44 - (int) myGetUnbackedInt
     45 {
     46   // NSLog (@"Getting BaseClass::unbackedInt - %d.\n", unbackedInt);
     47   _access_count++;
     48   return unbackedInt;
     49 }
     50 
     51 - (void) mySetUnbackedInt: (int) in_int
     52 {
     53   // NSLog (@"Setting BaseClass::unbackedInt from %d to %d.", unbackedInt, in_int);
     54   _access_count++;
     55   unbackedInt = in_int;
     56 }
     57 
     58 - (int) nonexistantInt
     59 {
     60   // NSLog (@"Getting BaseClass::nonexistantInt - %d.\n", 5);
     61   _access_count++;
     62   return 6;
     63 }
     64 
     65 - (void) setNonexistantInt: (int) in_int
     66 {
     67   // NSLog (@"Setting BaseClass::nonexistantInt from 7 to %d.", in_int);
     68   _access_count++;
     69 }
     70 
     71 - (int) getAccessCount
     72 {
     73   return _access_count;
     74 }
     75 @end
     76 
     77 int
     78 main ()
     79 {
     80   BaseClass *mine = [BaseClass baseClassWithBackedInt: 10 andUnbackedInt: 20];
     81   
     82   // Set a breakpoint here.
     83   int nonexistant = mine.nonexistantInt;
     84 
     85   int backedInt = mine.backedInt;
     86 
     87   int unbackedInt = mine.unbackedInt;
     88 
     89   id idWithProtocol = mine.idWithProtocol;
     90 
     91   NSLog (@"Results for %p: nonexistant: %d backed: %d unbacked: %d accessCount: %d.",
     92          mine,
     93          nonexistant,
     94          backedInt,
     95          unbackedInt,
     96          [mine getAccessCount]);
     97   return 0;
     98 
     99 }
    100 
    101