File: property-ambiguous-synthesis.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 (48 lines) | stat: -rw-r--r-- 1,440 bytes parent folder | download | duplicates (20)
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
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
// RUN: %clang_cc1  -fsyntax-only -verify -Wno-objc-root-class %s
// rdar://13075400

@protocol FooAsID
@property (assign) id foo; // expected-note 2 {{it could also be property of type 'id' declared here}} \\
			 // expected-warning {{property of type 'id' was selected for synthesis}}
@end

@protocol FooAsDouble
@property double foo; // expected-warning 2 {{property of type 'double' was selected for synthesis}} \
		      // expected-note {{it could also be property of type 'double' declared here}}
@end

@protocol FooAsShort
@property short foo; // expected-note {{it could also be property of type 'short' declared here}}
@end

@interface NSObject @end

@interface AnObject : NSObject<FooAsDouble,FooAsID>
@end

@interface Sub : AnObject
@end

@implementation Sub
@synthesize foo=_MyFooIvar; // expected-note {{property synthesized here}}
@end


@interface AnotherObject : NSObject<FooAsDouble, FooAsID,FooAsDouble, FooAsID, FooAsDouble,FooAsID>
@end

@implementation AnotherObject
@synthesize foo=_MyFooIvar; // expected-note {{property synthesized here}}
@end


@interface YetAnotherObject : NSObject<FooAsID,FooAsShort, FooAsDouble,FooAsID, FooAsShort>
@end

@implementation YetAnotherObject
@synthesize foo=_MyFooIvar; // expected-note {{property synthesized here}}
@end

double func(YetAnotherObject *object) {
  return [object foo]; // expected-error {{returning 'id' from a function with incompatible result type 'double'}}
}