tree-sitter-objc/examples/SemaObjC/objc-array-literal.m

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2022-04-16 15:58:26 +00:00
// RUN: %clang_cc1 -fsyntax-only -verify %s
// rdar://10111397
// RUN: %clang_cc1 -fsyntax-only -triple i386-apple-macosx10.9.0 -fobjc-runtime=macosx-fragile-10.9.0 -fobjc-subscripting-legacy-runtime -verify %s
// rdar://15363492
#if __LP64__ || (TARGET_OS_EMBEDDED && !TARGET_OS_IPHONE) || TARGET_OS_WIN32 || NS_BUILD_32_LIKE_64
typedef unsigned long NSUInteger;
#else
typedef unsigned int NSUInteger;
#endif
void checkNSArrayUnavailableDiagnostic() {
id obj;
id arr = @[obj]; // expected-error {{definition of class NSArray must be available to use Objective-C array literals}}
}
@class NSArray; // expected-note {{forward declaration of class here}}
void checkNSArrayFDDiagnostic() {
id obj;
id arr = @[obj]; // expected-error {{definition of class NSArray must be available to use Objective-C array literals}}
}
@class NSString;
extern void NSLog(NSString *format, ...) __attribute__((format(__NSString__, 1, 2)));
@class NSFastEnumerationState;
@protocol NSFastEnumeration
- (NSUInteger)countByEnumeratingWithState:(NSFastEnumerationState *)state objects:(id [])buffer count:(NSUInteger)len;
@end
@interface NSNumber
+ (NSNumber *)numberWithInt:(int)value;
@end
@interface NSArray <NSFastEnumeration>
+ (id)arrayWithObjects:(const id [])objects count:(NSUInteger)cnt;
@end
int main() {
NSArray *array = @[@"Hello", @"There", @"How Are You", [NSNumber numberWithInt:42]];
for (id string in array)
NSLog(@"%@\n", string);
NSArray *array1 = @["Forgot"]; // expected-error {{string literal must be prefixed by '@' in a collection}}
const char *blah;
NSArray *array2 = @[blah]; // expected-error{{collection element of type 'const char *' is not an Objective-C object}}
}
// rdar://14303083
id Test14303083() {
id obj = @[ @"A", (@"B" @"C")];
return @[ @"A", @"B" @"C"]; // expected-warning {{concatenated NSString literal for an NSArray expression - possibly missing a comma}}
}
id radar15147688() {
#define R15147688_A @"hello"
#define R15147688_B "world"
#define CONCATSTR R15147688_A R15147688_B
id x = @[ @"stuff", CONCATSTR ]; // no-warning
x = @[ @"stuff", @"hello" "world"]; // expected-warning {{concatenated NSString literal for an NSArray expression}}
return x;
}
enum XXXYYYZZZType { XXXYYYZZZTypeAny }; // expected-note {{'XXXYYYZZZTypeAny' declared here}}
void foo() {
NSArray *array = @[
@(XXXYYYZZZTypeA), // expected-error {{use of undeclared identifier 'XXXYYYZZZTypeA'; did you mean 'XXXYYYZZZTypeAny'}}
@(XXXYYYZZZTypeSomethingSomething) // expected-error {{use of undeclared identifier 'XXXYYYZZZTypeSomethingSomething'}}
];
}