File: nullable-weak-property.m

package info (click to toggle)
llvm-toolchain-16 1%3A16.0.6-15~deb12u1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,634,792 kB
  • sloc: cpp: 6,179,261; ansic: 1,216,205; asm: 741,319; python: 196,614; objc: 75,325; f90: 49,640; lisp: 32,396; pascal: 12,286; sh: 9,394; perl: 7,442; ml: 5,494; awk: 3,523; makefile: 2,723; javascript: 1,206; xml: 886; fortran: 581; cs: 573
file content (26 lines) | stat: -rw-r--r-- 658 bytes parent folder | download | duplicates (25) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
 
// RUN: %clang_cc1 -fobjc-arc -fobjc-runtime-has-weak -Wnullable-to-nonnull-conversion %s -verify


// rdar://19985330
@interface NSObject @end

@class NSFoo;
void foo (NSFoo * _Nonnull);

@interface NSBar : NSObject
@property(weak) NSFoo *property1;
@end

#pragma clang assume_nonnull begin
@interface NSBar ()
@property(weak) NSFoo *property2;
@end

#pragma clang assume_nonnull end

@implementation NSBar 
- (void) Meth {
   foo (self.property1); // no warning because nothing is inferred
   foo (self.property2); // expected-warning {{implicit conversion from nullable pointer 'NSFoo * _Nullable' to non-nullable pointer type 'NSFoo * _Nonnull'}}
}
@end