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
75
|
// RUN: %clang_cc1 -fsyntax-only -verify %s
@interface A {
@public
int ivar;
}
@property int prop;
@end
typedef struct objc_object {
Class isa;
} *id;
// Test instantiation of value-dependent ObjCIvarRefExpr,
// ObjCIsaRefExpr, and ObjCPropertyRefExpr nodes.
A *get_an_A(unsigned);
id get_an_id(unsigned);
template<unsigned N, typename T, typename U, typename V>
void f(U value, V value2) {
get_an_A(N)->ivar = value; // expected-error{{assigning to 'int' from incompatible type 'int *'}}
get_an_A(N).prop = value2; // expected-error{{assigning to 'int' from incompatible type 'double *'}}
T c = get_an_id(N)->isa; // expected-error{{cannot initialize a variable of type 'int' with an lvalue of type 'Class'}} \
// expected-warning 3 {{direct access to Objective-C's isa is deprecated in favor of object_getClass()}}
}
template void f<6, Class>(int, int); // expected-note{{in instantiation of}}
template void f<7, Class>(int*, int); // expected-note{{in instantiation of}}
template void f<8, Class>(int, double*); // expected-note{{in instantiation of}}
template void f<9, int>(int, int); // expected-note{{in instantiation of}}
// Test instantiation of unresolved member reference expressions to an
// ivar reference.
template<typename T, typename U, typename V>
void f2(T ptr, U value, V value2) {
ptr->ivar = value; // expected-error{{assigning to 'int' from incompatible type 'int *'}}
ptr.prop = value2; // expected-error{{assigning to 'int' from incompatible type 'double *'}}
}
template void f2(A*, int, int);
template void f2(A*, int*, int); // expected-note{{instantiation of}}
template void f2(A*, int, double*); // expected-note{{instantiation of}}
// Test instantiation of unresolved member referfence expressions to
// an isa.
template<typename T, typename U>
void f3(U ptr) {
T c = ptr->isa; // expected-error{{cannot initialize a variable of type 'int' with an lvalue of type 'Class'}} \
// expected-warning 1 {{direct access to Objective-C's isa is deprecated in favor of object_getClass()}}
}
template void f3<Class>(id); // expected-note{{in instantiation of}}
template void f3<int>(id); // expected-note{{instantiation of}}
// Implicit setter/getter
@interface B
- (int)foo;
- (void)setFoo:(int)value;
@end
template<typename T>
void f4(B *b, T value) {
b.foo = value; // expected-error{{assigning to 'int' from incompatible type 'int *'}}
}
template void f4(B*, int);
template void f4(B*, int*); // expected-note{{in instantiation of function template specialization 'f4<int *>' requested here}}
template<typename T, typename U>
void f5(T ptr, U value) {
ptr.foo = value; // expected-error{{assigning to 'int' from incompatible type 'int *'}}
}
template void f5(B*, int);
template void f5(B*, int*); // expected-note{{in instantiation of function template specialization 'f5<B *, int *>' requested here}}
|
