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
| // RUN: %clang_cc1 -fsyntax-only -verify %s
// Obj-C string literal expressions
template <typename T> struct StringTest {
void f() {
(void)@"Hello";
}
};
template struct StringTest<int>;
template struct StringTest<double>;
// @selector expressions
template <typename T> struct SelectorTest {
SEL f() {
return @selector(multiple:arguments:);
}
SEL f2() {
return @selector(multiple:arguments:);
}
};
template struct SelectorTest<int>;
template struct SelectorTest<double>;
// @protocol expressions
@protocol P
@end
template <typename T> struct ProtocolTest {
void f() {
(void)@protocol(P);
}
};
template struct ProtocolTest<int>;
template struct ProtocolTest<double>;
// @encode expressions
template <typename T> struct EncodeTest {
static const char *encode(T t) {
return @encode(T);
}
};
template struct EncodeTest<int>;
template struct EncodeTest<double>;
template struct EncodeTest<wchar_t>;
// @() boxing expressions.
template <typename T> struct BoxingTest {
static id box(T value) {
return @(value); // expected-error {{illegal type 'int *' used in a boxed expression}} \
// expected-error {{illegal type 'long double' used in a boxed expression}}
}
};
@interface NSNumber
+ (NSNumber *)numberWithInt:(int)value;
@end
@interface NSString
+ (id)stringWithUTF8String:(const char *)str;
@end
template struct BoxingTest<int>;
template struct BoxingTest<const char *>;
template struct BoxingTest<int *>; // expected-note {{in instantiation of member function 'BoxingTest<int *>::box' requested here}}
template struct BoxingTest<long double>; // expected-note {{in instantiation of member function 'BoxingTest<long double>::box' requested here}}
|