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      1 // RUN: %clang_cc1 -triple x86_64-apple-darwin10 -analyze -analyzer-checker=core,osx.cocoa.VariadicMethodTypes -analyzer-store=region -fblocks -verify %s
      2 
      3 //===----------------------------------------------------------------------===//
      4 // The following code is reduced using delta-debugging from
      5 // Foundation.h (Mac OS X).
      6 //
      7 // It includes the basic definitions for the test cases below.
      8 // Not directly including Foundation.h directly makes this test case 
      9 // both svelte and portable to non-Mac platforms.
     10 //===----------------------------------------------------------------------===//
     11 
     12 #define nil (void*)0
     13 typedef const struct __CFString * CFStringRef;
     14 extern const CFStringRef kCGImageSourceShouldCache __attribute__((visibility("default")));
     15 typedef signed char BOOL;
     16 typedef struct _NSZone NSZone;
     17 typedef unsigned int NSUInteger;
     18 @protocol NSObject
     19 - (BOOL)isEqual:(id)object;
     20 - (oneway void)release;
     21 - (id)retain;
     22 - (id)autorelease;
     23 @end
     24 @protocol NSCopying
     25 - (id)copyWithZone:(NSZone *)zone;
     26 @end
     27 @protocol NSMutableCopying
     28 - (id)mutableCopyWithZone:(NSZone *)zone;
     29 @end
     30 @class NSCoder;
     31 @protocol NSCoding
     32 - (void)encodeWithCoder:(NSCoder *)aCoder;
     33 @end
     34 @interface NSObject <NSObject> {}
     35 - (id)init;
     36 + (id)alloc;
     37 @end
     38 typedef struct {} NSFastEnumerationState;
     39 @protocol NSFastEnumeration
     40 - (NSUInteger)countByEnumeratingWithState:(NSFastEnumerationState *)state objects:(id *)stackbuf count:(NSUInteger)len;
     41 @end
     42 @interface NSArray : NSObject <NSCopying, NSMutableCopying, NSCoding, NSFastEnumeration>
     43 @end
     44 @interface NSArray (NSArrayCreation)
     45 + (id)arrayWithObjects:(id)firstObj, ... __attribute__((sentinel(0,1)));
     46 - (id)initWithObjects:(id)firstObj, ... __attribute__((sentinel(0,1)));
     47 @end
     48 @interface NSDictionary : NSObject <NSCopying, NSMutableCopying, NSCoding, NSFastEnumeration>
     49 @end
     50 @interface NSDictionary (NSDictionaryCreation)
     51 + (id)dictionaryWithObjectsAndKeys:(id)firstObject, ... __attribute__((sentinel(0,1)));
     52 - (id)initWithObjectsAndKeys:(id)firstObject, ... __attribute__((sentinel(0,1)));
     53 @end
     54 @interface NSSet : NSObject <NSCopying, NSMutableCopying, NSCoding, NSFastEnumeration>
     55 @end
     56 @interface NSSet (NSSetCreation)
     57 + (id)setWithObjects:(id)firstObj, ... __attribute__((sentinel(0,1)));
     58 - (id)initWithObjects:(id)firstObj, ... __attribute__((sentinel(0,1)));
     59 @end
     60 @protocol P;
     61 @class C;
     62 
     63 typedef struct FooType * __attribute__ ((NSObject)) FooType;
     64 typedef struct BarType * BarType;
     65 
     66 
     67 void f(id a, id<P> b, C* c, C<P> *d, FooType fooType, BarType barType) {
     68   [NSArray arrayWithObjects:@"Hello", a, b, c, d, nil];
     69   [NSArray arrayWithObjects:@"Foo", ^{}, nil];
     70 
     71   [NSArray arrayWithObjects:@"Foo", "Bar", "Baz", nil]; // expected-warning 2 {{Argument to 'NSArray' method 'arrayWithObjects:' should be an Objective-C pointer type, not 'char *'}}
     72   [NSDictionary dictionaryWithObjectsAndKeys:@"Foo", "Bar", nil]; // expected-warning {{Argument to 'NSDictionary' method 'dictionaryWithObjectsAndKeys:' should be an Objective-C pointer type, not 'char *'}}
     73   [NSSet setWithObjects:@"Foo", "Bar", nil]; // expected-warning {{Argument to 'NSSet' method 'setWithObjects:' should be an Objective-C pointer type, not 'char *'}}
     74 
     75   [[[NSArray alloc] initWithObjects:@"Foo", "Bar", nil] autorelease]; // expected-warning {{Argument to 'NSArray' method 'initWithObjects:' should be an Objective-C pointer type, not 'char *'}}
     76   [[[NSDictionary alloc] initWithObjectsAndKeys:@"Foo", "Bar", nil] autorelease]; // expected-warning {{Argument to 'NSDictionary' method 'initWithObjectsAndKeys:' should be an Objective-C pointer type, not 'char *'}}
     77   [[[NSDictionary alloc] initWithObjectsAndKeys:@"Foo", (void*) 0, nil] autorelease]; // no-warning
     78   [[[NSDictionary alloc] initWithObjectsAndKeys:@"Foo", kCGImageSourceShouldCache, nil] autorelease]; // no-warning
     79   [[[NSDictionary alloc] initWithObjectsAndKeys:@"Foo", fooType, nil] autorelease]; // no-warning
     80   [[[NSDictionary alloc] initWithObjectsAndKeys:@"Foo", barType, nil] autorelease]; // expected-warning {{Argument to 'NSDictionary' method 'initWithObjectsAndKeys:' should be an Objective-C pointer type, not 'BarType'}}
     81   [[[NSSet alloc] initWithObjects:@"Foo", "Bar", nil] autorelease]; // expected-warning {{Argument to 'NSSet' method 'initWithObjects:' should be an Objective-C pointer type, not 'char *'}}
     82 }
     83 
     84 // This previously crashed the variadic argument checker.
     85 @protocol RDar9273215
     86 - (void)rdar9273215:(id)x, ...;
     87 @end
     88 
     89 void test_rdar9273215(id<RDar9273215> y) {
     90   return [y rdar9273215:y, y];
     91 }
     92 
     93