blob: 010c2cacc484e7377f1f39581d1fd28dcad34fd2 (
plain)
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
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
|
// RUN: %clang_cc1 -fsyntax-only -verify -pedantic %s
#define nil nullptr
extern void foo();
@protocol MyProtocol
- (void) method;
@end
@interface MyClass
@end
int main()
{
id obj = nil;
id <MyProtocol> obj_p = nil;
MyClass *obj_c = nil;
Class obj_C = nil;
int i = 0;
int *j = nil;
/* These should all generate errors. */
obj = i; // expected-error {{assigning to 'id' from incompatible type 'int'}}
obj = j; // expected-error {{assigning to 'id' from incompatible type 'int *'}}
obj_p = i; // expected-error {{assigning to 'id<MyProtocol>' from incompatible type 'int'}}
obj_p = j; // expected-error {{assigning to 'id<MyProtocol>' from incompatible type 'int *'}}
obj_c = i; // expected-error {{assigning to 'MyClass *' from incompatible type 'int'}}
obj_c = j; // expected-error {{assigning to 'MyClass *' from incompatible type 'int *'}}
obj_C = i; // expected-error {{assigning to 'Class' from incompatible type 'int'}}
obj_C = j; // expected-error {{assigning to 'Class' from incompatible type 'int *'}}
i = obj; // expected-error {{assigning to 'int' from incompatible type 'id'}}
i = obj_p; // expected-error {{assigning to 'int' from incompatible type 'id<MyProtocol>'}}
i = obj_c; // expected-error {{assigning to 'int' from incompatible type 'MyClass *'}}
i = obj_C; // expected-error {{assigning to 'int' from incompatible type 'Class'}}
j = obj; // expected-error {{assigning to 'int *' from incompatible type 'id'}}
j = obj_p; // expected-error {{assigning to 'int *' from incompatible type 'id<MyProtocol>'}}
j = obj_c; // expected-error {{assigning to 'int *' from incompatible type 'MyClass *'}}
j = obj_C; // expected-error {{assigning to 'int *' from incompatible type 'Class'}}
if (obj == i) foo() ; // expected-error {{comparison between pointer and integer ('id' and 'int')}}
if (i == obj) foo() ; // expected-error {{comparison between pointer and integer ('int' and 'id')}}
if (obj == j) foo() ; // expected-error {{comparison of distinct pointer types ('id' and 'int *')}}
if (j == obj) foo() ; // expected-error {{comparison of distinct pointer types ('int *' and 'id')}}
if (obj_c == i) foo() ; // expected-error {{comparison between pointer and integer ('MyClass *' and 'int')}}
if (i == obj_c) foo() ; // expected-error {{comparison between pointer and integer ('int' and 'MyClass *')}}
if (obj_c == j) foo() ; // expected-error {{comparison of distinct pointer types ('MyClass *' and 'int *')}}
if (j == obj_c) foo() ; // expected-error {{comparison of distinct pointer types ('int *' and 'MyClass *')}}
if (obj_p == i) foo() ; // expected-error {{comparison between pointer and integer ('id<MyProtocol>' and 'int')}}
if (i == obj_p) foo() ; // expected-error {{comparison between pointer and integer ('int' and 'id<MyProtocol>')}}
if (obj_p == j) foo() ; // expected-error {{comparison of distinct pointer types ('id<MyProtocol>' and 'int *')}}
if (j == obj_p) foo() ; // expected-error {{comparison of distinct pointer types ('int *' and 'id<MyProtocol>')}}
if (obj_C == i) foo() ; // expected-error {{comparison between pointer and integer ('Class' and 'int')}}
if (i == obj_C) foo() ; // expected-error {{comparison between pointer and integer ('int' and 'Class')}}
if (obj_C == j) foo() ; // expected-error {{comparison of distinct pointer types ('Class' and 'int *')}}
if (j == obj_C) foo() ; // expected-error {{comparison of distinct pointer types ('int *' and 'Class')}}
Class bar1 = nil;
Class <MyProtocol> bar = nil;
bar = bar1;
bar1 = bar;
return 0;
}
|
