File: nullable-weak-property.m

package info (click to toggle)
llvm-toolchain-9 1%3A9.0.1-16.1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 882,388 kB
  • sloc: cpp: 4,167,636; ansic: 714,256; asm: 457,610; python: 155,927; objc: 65,094; sh: 42,856; lisp: 26,908; perl: 7,786; pascal: 7,722; makefile: 6,881; ml: 5,581; awk: 3,648; cs: 2,027; xml: 888; javascript: 381; ruby: 156
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