1 | // RUN: %clang_cc1 -Wmethod-signatures -fsyntax-only -verify -Wno-objc-root-class %s |
2 | // RUN: %clang_cc1 -x objective-c++ -Wmethod-signatures -fsyntax-only -verify -Wno-objc-root-class %s |
3 | |
4 | @interface A @end |
5 | @interface B : A @end |
6 | |
7 | @interface Test1 {} |
8 | - (void) test1:(A*) object; // expected-note {{previous definition is here}} |
9 | - (void) test2:(B*) object; |
10 | @end |
11 | |
12 | @implementation Test1 |
13 | - (void) test1:(B*) object {} // expected-warning {{conflicting parameter types in implementation of 'test1:': 'A *' vs 'B *'}} |
14 | - (void) test2:(A*) object {} |
15 | @end |
16 | |
17 | @interface Test2 {} |
18 | - (void) test1:(id) object; // expected-note {{previous definition is here}} |
19 | - (void) test2:(A*) object; |
20 | @end |
21 | |
22 | @implementation Test2 |
23 | - (void) test1:(A*) object {} // expected-warning {{conflicting parameter types in implementation of 'test1:': 'id' vs 'A *'}} |
24 | - (void) test2:(id) object {} |
25 | @end |
26 | |
27 | @interface Test3 {} |
28 | - (A*) test1; |
29 | - (B*) test2; // expected-note {{previous definition is here}} |
30 | @end |
31 | |
32 | @implementation Test3 |
33 | - (B*) test1 { return 0; } |
34 | - (A*) test2 { return 0; } // expected-warning {{conflicting return type in implementation of 'test2': 'B *' vs 'A *'}} |
35 | @end |
36 | |
37 | // The particular case of overriding with an id return is white-listed. |
38 | @interface Test4 {} |
39 | - (id) test1; |
40 | - (A*) test2; |
41 | @end |
42 | @implementation Test4 |
43 | - (A*) test1 { return 0; } // id -> A* is rdar://problem/8596987 |
44 | - (id) test2 { return 0; } |
45 | @end |
46 | |
47 | // rdar://12522752 |
48 | typedef int int32_t; |
49 | typedef long long int64_t; |
50 | |
51 | @interface NSObject @end |
52 | |
53 | @protocol CKMessage |
54 | @property (nonatomic,readonly,assign) int64_t sequenceNumber; // expected-note {{previous definition is here}} |
55 | @end |
56 | |
57 | @protocol CKMessage; |
58 | |
59 | @interface CKIMMessage : NSObject<CKMessage> |
60 | @end |
61 | |
62 | @implementation CKIMMessage |
63 | - (int32_t)sequenceNumber { // expected-warning {{conflicting return type in implementation of 'sequenceNumber': 'int64_t' (aka 'long long') vs 'int32_t' (aka 'int')}} |
64 | return 0; |
65 | } |
66 | @end |
67 | |
68 | // rdar://14650159 |
69 | // Tests that property inherited indirectly from a nested protocol |
70 | // is seen by the method implementation type matching logic before |
71 | // method in super class is seen. This fixes the warning coming |
72 | // out of that method mismatch. |
73 | @interface NSObject (NSDict) |
74 | - (void)setValue:(id)value; |
75 | - (id)value; |
76 | @end |
77 | |
78 | @protocol ProtocolWithValue |
79 | @property (nonatomic) unsigned value; |
80 | @end |
81 | |
82 | @protocol InterveningProtocol <ProtocolWithValue> |
83 | @end |
84 | |
85 | @interface UsesProtocolWithValue : NSObject <ProtocolWithValue> |
86 | @end |
87 | |
88 | @implementation UsesProtocolWithValue |
89 | @synthesize value=_value; |
90 | - (unsigned) value |
91 | { |
92 | return _value; |
93 | } |
94 | - (void) setValue:(unsigned)value |
95 | { |
96 | _value = value; |
97 | } |
98 | @end |
99 | |
100 | |
101 | @interface UsesInterveningProtocol : NSObject <InterveningProtocol> |
102 | @end |
103 | |
104 | @implementation UsesInterveningProtocol |
105 | |
106 | @synthesize value=_value; |
107 | - (unsigned) value |
108 | { |
109 | return _value; |
110 | } |
111 | - (void) setValue:(unsigned)value |
112 | { |
113 | _value = value; |
114 | } |
115 | @end |
116 | |