xref: /llvm-project/clang/test/SemaObjC/default-synthesize-1.m (revision 0f1c1be1968076d6f96f8a7bcc4a15cf195ecd97)
1// RUN: %clang_cc1 -fsyntax-only -Wobjc-missing-property-synthesis -verify -Wno-objc-root-class -triple=x86_64-apple-macos10.10 %s
2
3@interface NSObject
4- (void) release;
5- (id) retain;
6@end
7@class NSString;
8
9@interface SynthItAll : NSObject
10@property int howMany; // expected-warning {{auto property synthesis is synthesizing property not explicitly synthesized}}
11@property (retain) NSString* what; // expected-warning {{auto property synthesis is synthesizing property not explicitly synthesized}}
12@end
13
14@implementation SynthItAll // expected-note 2 {{detected while default synthesizing properties in class implementation}}
15//@synthesize howMany, what;
16@end
17
18
19@interface SynthSetter : NSObject
20@property (nonatomic) int howMany;   // expected-warning {{auto property synthesis is synthesizing property not explicitly synthesized}}
21@property (nonatomic, retain) NSString* what;  // expected-warning {{auto property synthesis is synthesizing property not explicitly synthesized}}
22@end
23
24@implementation SynthSetter // expected-note 2 {{detected while default synthesizing properties in class implementation}}
25//@synthesize howMany, what;
26
27- (int) howMany {
28    return _howMany;
29}
30// - (void) setHowMany: (int) value
31
32- (NSString*) what {
33    return _what;
34}
35// - (void) setWhat: (NSString*) value
36@end
37
38
39@interface SynthGetter : NSObject
40@property (nonatomic) int howMany; // expected-warning {{auto property synthesis is synthesizing property not explicitly synthesized}}
41@property (nonatomic, retain) NSString* what; // expected-warning {{auto property synthesis is synthesizing property not explicitly synthesized}}
42@end
43
44@implementation SynthGetter // expected-note 2 {{detected while default synthesizing properties in class implementation}}
45//@synthesize howMany, what;
46
47// - (int) howMany
48- (void) setHowMany: (int) value {
49    _howMany = value;
50}
51
52// - (NSString*) what
53- (void) setWhat: (NSString*) value {
54    if (_what != value) {
55        [_what release];
56        _what = [value retain];
57    }
58}
59@end
60
61
62@interface SynthNone : NSObject
63@property int howMany;
64@property (retain) NSString* what;
65@end
66
67@implementation SynthNone
68//@synthesize howMany, what;  // REM: Redundant anyway
69
70- (int) howMany {
71    return howMany; // expected-error {{use of undeclared identifier 'howMany'}}
72}
73- (void) setHowMany: (int) value {
74    howMany = value; // expected-error {{use of undeclared identifier 'howMany'}}
75}
76
77- (NSString*) what {
78    return what; // expected-error {{use of undeclared identifier 'what'}}
79}
80- (void) setWhat: (NSString*) value {
81    if (what != value) { // expected-error {{use of undeclared identifier 'what'}}
82        [what release]; // expected-error {{use of undeclared identifier 'what'}}
83        what = [value retain]; // expected-error {{use of undeclared identifier 'what'}}
84    }
85}
86@end
87
88// No default synthesis if implementation has getter (readonly) and setter(readwrite) methods.
89@interface DSATextSearchResult
90@property(assign,readonly) float relevance;
91@property(assign,readonly) char isTitleMatch;
92@end
93
94@interface DSANodeSearchResult : DSATextSearchResult {}
95@end
96
97
98@implementation DSATextSearchResult
99-(char)isTitleMatch {
100    return (char)0;
101}
102
103-(float)relevance {
104    return 0.0;
105}
106@end
107
108@implementation DSANodeSearchResult
109-(id)initWithNode:(id )node relevance:(float)relevance isTitleMatch:(char)isTitleMatch {
110        relevance = 0.0;
111        isTitleMatch = 'a';
112	return self;
113}
114@end
115
116@interface rdar11333367
117@property enum A x; // expected-note {{forward declaration of 'enum A'}} expected-note {{property declared here}}
118@property struct B y; // expected-note {{forward declaration of 'struct B'}} expected-note {{property declared here}} \
119                      // expected-warning {{auto property synthesis is synthesizing property not explicitly synthesized}}
120@end
121@implementation rdar11333367 // expected-error {{cannot synthesize property 'y' with incomplete type 'struct B'}} \
122                             // expected-note {{detected while default synthesizing properties in class implementation}}
123@synthesize x; // expected-error {{cannot synthesize property 'x' with incomplete type 'enum A'}}
124@end
125
126@interface ZXParsedResult
127@property (nonatomic, copy, readonly) NSString *description; // expected-note {{property declared here}}
128@end
129
130@interface ZXCalendarParsedResult : ZXParsedResult
131
132@property (nonatomic, copy, readonly) NSString *description; // expected-warning {{auto property synthesis will not synthesize property 'description'; it will be implemented by its superclass}}
133
134@end
135
136@implementation ZXCalendarParsedResult // expected-note {{detected while default synthesizing properties in class implementation}}
137- (NSString *) Meth {
138    return _description; // expected-error {{use of undeclared identifier '_description'}}
139}
140@end
141
142@interface DontWarnOnUnavailable
143
144// No warning expected:
145@property (nonatomic, readonly) int un1 __attribute__((unavailable));
146@property (readwrite) int un2 __attribute__((availability(macos, unavailable)));
147
148@property (readwrite) int un3 __attribute__((availability(ios, unavailable))); // expected-warning {{auto property synthesis is synthesizing property not explicitly synthesized}}
149
150@end
151
152@implementation DontWarnOnUnavailable // expected-note {{detected while default synthesizing properties in class implementation}}
153
154@end
155