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
|
// RUN: %clang_cc1 -fsyntax-only -verify %s
@protocol P0
@end
@protocol P1
@end
@protocol P2
@end
@interface A <P0>
@end
@interface B : A
@end
void bar(id x);
void barP0(id<P0> x);
void barP1(id<P1> x);
void barP2(id<P2> x);
void f0(A *a) {
id l = a;
}
void f1(id x, A *a) {
id<P0> l = a;
}
void f2(id<P1> x) {
id<P0> l = x; // expected-warning {{initializing 'id<P0>' with an expression of incompatible type 'id<P1>'}}
}
void f3(A *a) {
id<P1> l = a; // expected-warning {{ initializing 'id<P1>' with an expression of incompatible type 'A *'}}
}
void f4(int cond, id x, A *a) {
bar(cond ? x : a);
}
void f5(int cond, A *a, B *b) {
bar(cond ? a : b);
}
void f6(int cond, id x, A *a) {
bar(cond ? (id<P0, P1>) x : a);
}
void f7(int cond, id x, A *a) {
bar(cond ? a : (id<P0, P1>) x);
}
void f8(int cond, id<P0,P1> x0, id<P0,P2> x1) {
barP0(cond ? x0 : x1); // expected-warning {{incompatible operand types ('id<P0,P1>' and 'id<P0,P2>')}}
}
void f9(int cond, id<P0,P1> x0, id<P0,P2> x1) {
barP1(cond ? x0 : x1); // expected-warning {{incompatible operand types ('id<P0,P1>' and 'id<P0,P2>')}}
}
void f10(int cond, id<P0,P1> x0, id<P0,P2> x1) {
barP2(cond ? x0 : x1); // expected-warning {{incompatible operand types ('id<P0,P1>' and 'id<P0,P2>')}}
}
int f11(int cond, A* a, B* b) {
return (cond? b : a)->x; // expected-error{{'A' does not have a member named 'x'}}
}
|
