Compiler projects using llvm
// RUN: rm -rf %t
// RUN: %clang_cc1 -objcmt-migrate-literals -objcmt-migrate-subscripting -mt-migrate-directory %t %s -x objective-c -triple x86_64-apple-darwin11 
// RUN: c-arcmt-test -mt-migrate-directory %t | arcmt-test -verify-transformed-files %s.result
// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -fsyntax-only -x objective-c %s.result

typedef signed char BOOL;
#define nil ((void*) 0)

typedef const struct __CFString * CFStringRef;

@interface NSObject
+ (id)alloc;
@end

@protocol NSCopying
@end

@interface NSString : NSObject
+ (id)stringWithString:(NSString *)string;
- (id)initWithString:(NSString *)aString;
@end

@interface NSArray : NSObject
- (id)objectAtIndex:(unsigned long)index;
@end

@interface NSArray (NSExtendedArray)
- (id)objectAtIndexedSubscript:(unsigned)idx;
@end

@interface NSArray (NSArrayCreation)
+ (id)array;
+ (id)arrayWithObject:(id)anObject;
+ (id)arrayWithObjects:(const id [])objects count:(unsigned long)cnt;
+ (id)arrayWithObjects:(id)firstObj, ...;
+ (id)arrayWithArray:(NSArray *)array;

- (id)initWithObjects:(const id [])objects count:(unsigned long)cnt;
- (id)initWithObjects:(id)firstObj, ...;
- (id)initWithArray:(NSArray *)array;
@end

@interface NSMutableArray : NSArray
- (void)replaceObjectAtIndex:(unsigned long)index withObject:(id)anObject;
@end

@interface NSMutableArray (NSExtendedMutableArray)
- (void)setObject:(id)obj atIndexedSubscript:(unsigned)idx;
@end

@interface NSDictionary : NSObject
- (id)objectForKey:(id)aKey;
@end

@interface NSDictionary (NSExtendedDictionary)
- (id)objectForKeyedSubscript:(id)key;
@end

@interface NSDictionary (NSDictionaryCreation)
+ (id)dictionary;
+ (id)dictionaryWithObject:(id)object forKey:(id)key;
+ (id)dictionaryWithObjects:(const id [])objects forKeys:(const id [])keys count:(unsigned long)cnt;
+ (id)dictionaryWithObjectsAndKeys:(id)firstObject, ...;
+ (id)dictionaryWithDictionary:(NSDictionary *)dict;
+ (id)dictionaryWithObjects:(NSArray *)objects forKeys:(NSArray *)keys;

- (id)initWithObjects:(const id [])objects forKeys:(const id [])keys count:(unsigned long)cnt;
- (id)initWithObjectsAndKeys:(id)firstObject, ...;
- (id)initWithDictionary:(NSDictionary *)otherDictionary;
- (id)initWithObjects:(NSArray *)objects forKeys:(NSArray *)keys;
@end

@interface NSMutableDictionary : NSDictionary
- (void)setObject:(id)anObject forKey:(id)aKey;
@end

@interface NSMutableDictionary (NSExtendedMutableDictionary)
- (void)setObject:(id)obj forKeyedSubscript:(id <NSCopying>)key;
@end

@interface NSNumber : NSObject
@end

@interface NSNumber (NSNumberCreation)
+ (NSNumber *)numberWithInt:(int)value;
@end

#define M(x) (x)
#define PAIR(x) @#x, [NSNumber numberWithInt:(x)]
#define TWO(x) ((x), (x))
#define TWO_SEP(x,y) ((x), (y))

@interface I {
  NSArray *ivarArr;
}
@end
@implementation I
-(void) foo {
  NSString *str;
  NSArray *arr;
  NSDictionary *dict;

  arr = @[];
  arr = @[str];
  arr = @[str, str];
  dict = @{};
  dict = @{str: arr};
  dict = @{@"key1": @"value1", @"key2": @"value2"};
  dict = [NSDictionary dictionaryWithObjectsAndKeys: PAIR(1), PAIR(2), nil];
  dict = [NSDictionary dictionaryWithObjectsAndKeys:
                                               @"value1", @"key1",
#ifdef BLAH
                                               @"value2", @"key2",
#else
                                               @"value3", @"key3",
#endif
                                               nil ];

  id o = arr[2];
  o = dict[@"key"];
  o = TWO(dict[@"key"]);
  o = TWO_SEP(dict[@"key"], arr[2]);
  o = @{@"key": @{}};
  NSMutableArray *marr = 0;
  NSMutableDictionary *mdict = 0;
  marr[2] = @"val";
  mdict[@"key"] = @"value";
  marr[2] = arr[4];
  mdict[@"key"] = dict[@"key2"];
  [mdict setObject:dict[@"key2"] forKey:
#if 1
                     @"key1"
#else
                     @"key2"
#endif
                    ];
  mdict[@"key"] = [dict objectForKey:
#if 2
                     @"key3"
#else
                     @"key4"
#endif
                   ];
  mdict[[dict objectForKey:
#if 3
                     @"key5"
#else
                     @"key6"
#endif
                   ]] = @"value";
  mdict[dict[@"key2"]] = @"val";
  mdict[dict[@[@"arrkey"]]] = dict[@"key1"];
  __strong NSArray **parr = 0;
  o = (*parr)[2];
  void *hd;
  o = ((NSArray*)hd)[2];
  o = ivarArr[2];

  dict = @{@"A": @"1", arr[2]: @[]};
  dict = [NSDictionary dictionaryWithObjects:@[@"1", @"2"] forKeys:arr];
  dict = @{@"A": @"1", @"B": @"2"};
  dict = @{@"A": @[], @"B": @[]};
}
@end

extern const CFStringRef globStr;

void test1(NSString *str) {
  NSDictionary *dict = @{(id)globStr: str};
  dict = @{str: (id)globStr};
  dict = @{(id)globStr: str};
  dict = @{str: (id)globStr};

  NSArray *arr = @[(id)globStr, (id)globStr];
  arr = @[str, (id)globStr];
  arr = @[(id)globStr, str];
  arr = @[(id)globStr];
}

@interface Custom : NSObject
- (id)objectAtIndex:(unsigned long)index;
@end

@interface Custom (Extended)
- (id)objectAtIndexedSubscript:(unsigned)idx;
@end

@interface MutableCustom : Custom
- (void)replaceObjectAtIndex:(unsigned long)index withObject:(id)anObject;
@end

@interface MutableCustom (Extended)
- (void)setObject:(id)obj atIndexedSubscript:(unsigned)idx;
@end

@interface CustomUnavail : NSObject
- (id)objectAtIndex:(unsigned long)index;
@end

@interface CustomUnavail (Extended)
- (id)objectAtIndexedSubscript:(unsigned)idx __attribute__((unavailable));
@end

@interface MutableCustomUnavail : CustomUnavail
- (void)replaceObjectAtIndex:(unsigned long)index withObject:(id)anObject;
@end

@interface MutableCustomUnavail (Extended)
- (void)setObject:(id)obj atIndexedSubscript:(unsigned)idx __attribute__((unavailable));
@end

void test2(void) {
  MutableCustom *mutc;
  id o = mutc[4];
  mutc[2] = @"val";

  MutableCustomUnavail *mutcunaval;
  o = [mutcunaval objectAtIndex:4];
  [mutcunaval replaceObjectAtIndex:2 withObject:@"val"];
}

@interface NSLocale : NSObject
+ (id)systemLocale;
+ (id)currentLocale;
- (id)objectForKey:(id)key;
@end

void test3(id key) {
  id o = [[NSLocale currentLocale] objectForKey:key];
}