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
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
|
// RUN: %clang_cc1 %s -triple i686-pc-win32 -std=c++11 -Wmicrosoft -fms-compatibility -verify
// RUN: not %clang_cc1 %s -triple i686-pc-win32 -std=c++11 -Wmicrosoft -fms-compatibility -fdiagnostics-parseable-fixits 2>&1 | FileCheck %s
struct X;
namespace name_at_tu_scope {
struct Y {
friend struct X; // expected-warning-re {{unqualified friend declaration {{.*}} is a Microsoft extension}}
// CHECK: fix-it:"{{.*}}":{[[@LINE-1]]:17-[[@LINE-1]]:17}:"::"
};
}
namespace enclosing_friend_decl {
struct B;
namespace ns {
struct A {
friend struct B; // expected-warning-re {{unqualified friend declaration {{.*}} is a Microsoft extension}}
// CHECK: fix-it:"{{.*}}":{[[@LINE-1]]:17-[[@LINE-1]]:17}:"enclosing_friend_decl::"
protected:
A();
};
}
struct B {
static void f() { ns::A x; }
};
}
namespace enclosing_friend_qualified {
struct B;
namespace ns {
struct A {
friend struct enclosing_friend_qualified::B; // Adding name specifiers fixes it.
protected:
A();
};
}
struct B {
static void f() { ns::A x; }
};
}
namespace enclosing_friend_no_tag {
struct B;
namespace ns {
struct A {
friend B; // Removing the tag decl fixes it.
protected:
A();
};
}
struct B {
static void f() { ns::A x; }
};
}
namespace enclosing_friend_func {
void f();
namespace ns {
struct A {
// Amusingly, in MSVC, this declares ns::f(), and doesn't find the outer f().
friend void f();
protected:
A(); // expected-note {{declared protected here}}
};
}
void f() { ns::A x; } // expected-error {{calling a protected constructor of class 'enclosing_friend_func::ns::A'}}
}
namespace test_nns_fixit_hint {
namespace name1 {
namespace name2 {
struct X;
struct name2;
namespace name3 {
struct Y {
friend struct X; // expected-warning-re {{unqualified friend declaration {{.*}} is a Microsoft extension}}
// CHECK: fix-it:"{{.*}}":{[[@LINE-1]]:17-[[@LINE-1]]:17}:"name1::name2::"
};
}
}
}
}
// A friend declaration injects a forward declaration into the nearest enclosing
// non-member scope.
namespace friend_as_a_forward_decl {
class A {
class Nested {
friend class B;
B *b;
};
B *b;
};
B *global_b;
void f() {
class Local {
friend class Z;
Z *b;
};
Z *b;
}
}
|
