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| // RUN: %clang_cc1 -fsyntax-only -verify -std=c++0x -fblocks %s
// rdar://11231426
typedef signed char BOOL;
void y(BOOL (^foo)());
void x() {
y(^{
return __objc_yes;
});
}
@protocol NSCopying
- copy;
@end
@interface NSObject
@end
@interface NSNumber : NSObject <NSCopying>
-copy;
@end
@interface NSNumber (NSNumberCreation)
+ (NSNumber *)numberWithChar:(char)value;
+ (NSNumber *)numberWithUnsignedChar:(unsigned char)value;
+ (NSNumber *)numberWithShort:(short)value;
+ (NSNumber *)numberWithUnsignedShort:(unsigned short)value;
+ (NSNumber *)numberWithInt:(int)value;
+ (NSNumber *)numberWithUnsignedInt:(unsigned int)value;
+ (NSNumber *)numberWithLong:(long)value;
+ (NSNumber *)numberWithUnsignedLong:(unsigned long)value;
+ (NSNumber *)numberWithLongLong:(long long)value;
+ (NSNumber *)numberWithUnsignedLongLong:(unsigned long long)value;
+ (NSNumber *)numberWithFloat:(float)value;
+ (NSNumber *)numberWithDouble:(double)value;
+ (NSNumber *)numberWithBool:(BOOL)value;
@end
@interface NSArray : NSObject <NSCopying>
-copy;
@end
@interface NSArray (NSArrayCreation)
+ (id)arrayWithObjects:(const id [])objects count:(unsigned long)cnt;
@end
@interface NSDictionary
+ (id)dictionaryWithObjects:(const id [])objects forKeys:(const id<NSCopying> [])keys count:(unsigned long)cnt;
@end
@interface NSString
@end
template<typename T>
struct ConvertibleTo {
operator T();
};
template<typename T>
struct ExplicitlyConvertibleTo {
explicit operator T();
};
template<typename T>
class PrivateConvertibleTo {
private:
operator T(); // expected-note{{declared private here}}
};
template<typename T> ConvertibleTo<T> makeConvertible();
struct X {
ConvertibleTo<id> x;
ConvertibleTo<id> get();
};
template<typename T> T test_numeric_instantiation() {
return @-17.42;
}
template id test_numeric_instantiation();
void test_convertibility(ConvertibleTo<NSArray*> toArray,
ConvertibleTo<id> toId,
ConvertibleTo<int (^)(int)> toBlock,
ConvertibleTo<int> toInt,
ExplicitlyConvertibleTo<NSArray *> toArrayExplicit) {
id array = @[
toArray,
toId,
toBlock,
toInt // expected-error{{collection element of type 'ConvertibleTo<int>' is not an Objective-C object}}
];
id array2 = @[ toArrayExplicit ]; // expected-error{{collection element of type 'ExplicitlyConvertibleTo<NSArray *>' is not an Objective-C object}}
id array3 = @[
makeConvertible<id>(),
makeConvertible<id>, // expected-error{{collection element of type 'ConvertibleTo<id> ()' is not an Objective-C object}}
];
X x;
id array4 = @[ x.x ];
id array5 = @[ x.get ]; // expected-error{{reference to non-static member function must be called}}
id array6 = @[ PrivateConvertibleTo<NSArray*>() ]; // expected-error{{operator NSArray *' is a private member of 'PrivateConvertibleTo<NSArray *>'}}
}
template<typename T>
void test_array_literals(T t) {
id arr = @[ @17, t ]; // expected-error{{collection element of type 'int' is not an Objective-C object}}
}
template void test_array_literals(id);
template void test_array_literals(NSArray*);
template void test_array_literals(int); // expected-note{{in instantiation of function template specialization 'test_array_literals<int>' requested here}}
template<typename T, typename U>
void test_dictionary_literals(T t, U u) {
NSObject *object;
id dict = @{
@17 : t, // expected-error{{collection element of type 'int' is not an Objective-C object}}
u : @42 // expected-error{{collection element of type 'int' is not an Objective-C object}}
};
id dict2 = @{
object : @"object" // expected-error{{cannot initialize a parameter of type 'const id<NSCopying>' with an rvalue of type 'NSObject *'}}
};
}
template void test_dictionary_literals(id, NSArray*);
template void test_dictionary_literals(NSArray*, id);
template void test_dictionary_literals(int, id); // expected-note{{in instantiation of function template specialization 'test_dictionary_literals<int, id>' requested here}}
template void test_dictionary_literals(id, int); // expected-note{{in instantiation of function template specialization 'test_dictionary_literals<id, int>' requested here}}
template<typename ...Args>
void test_bad_variadic_array_literal(Args ...args) {
id arr1 = @[ args ]; // expected-error{{initializer contains unexpanded parameter pack 'args'}}
}
template<typename ...Args>
void test_variadic_array_literal(Args ...args) {
id arr1 = @[ args... ]; // expected-error{{collection element of type 'int' is not an Objective-C object}}
}
template void test_variadic_array_literal(id);
template void test_variadic_array_literal(id, NSArray*);
template void test_variadic_array_literal(id, int, NSArray*); // expected-note{{in instantiation of function template specialization 'test_variadic_array_literal<id, int, NSArray *>' requested here}}
template<typename ...Args>
void test_bad_variadic_dictionary_literal(Args ...args) {
id dict = @{ args : @17 }; // expected-error{{initializer contains unexpanded parameter pack 'args'}}
}
// Test array literal pack expansions.
template<typename T, typename U>
struct pair {
T first;
U second;
};
template<typename T, typename ...Ts, typename ... Us>
void test_variadic_dictionary_expansion(T t, pair<Ts, Us>... key_values) {
id dict = @{
t : key_values.second ..., // expected-error{{collection element of type 'int' is not an Objective-C object}}
key_values.first : key_values.second ..., // expected-error{{collection element of type 'float' is not an Objective-C object}}
key_values.second : t ...
};
}
template void test_variadic_dictionary_expansion(id,
pair<NSNumber*, id>,
pair<id, ConvertibleTo<id>>);
template void test_variadic_dictionary_expansion(NSNumber *, // expected-note{{in instantiation of function template specialization}}
pair<NSNumber*, int>,
pair<id, ConvertibleTo<id>>);
template void test_variadic_dictionary_expansion(NSNumber *, // expected-note{{in instantiation of function template specialization}}
pair<NSNumber*, id>,
pair<float, ConvertibleTo<id>>);
// Test parsing
struct key {
static id value;
};
id key;
id value;
void test_dictionary_colon() {
id dict = @{ key : value };
}
void testConstExpr() {
constexpr NSString *t0 = @"abc";
constexpr NSString *t1 = @("abc");
}
|