1 // RUN: %clang_cc1 %s -triple i686-pc-win32 -std=c++11 -Wmicrosoft -fms-compatibility -verify
2 // RUN: not %clang_cc1 %s -triple i686-pc-win32 -std=c++11 -Wmicrosoft -fms-compatibility -fdiagnostics-parseable-fixits 2>&1 | FileCheck %s
3
4 struct X;
5 namespace name_at_tu_scope {
6 struct Y {
7 friend struct X; // expected-warning-re {{unqualified friend declaration {{.*}} is a Microsoft extension}}
8 // CHECK: fix-it:"{{.*}}":{[[@LINE-1]]:17-[[@LINE-1]]:17}:"::"
9 };
10 }
11
12 namespace enclosing_friend_decl {
13 struct B;
14 namespace ns {
15 struct A {
16 friend struct B; // expected-warning-re {{unqualified friend declaration {{.*}} is a Microsoft extension}}
17 // CHECK: fix-it:"{{.*}}":{[[@LINE-1]]:17-[[@LINE-1]]:17}:"enclosing_friend_decl::"
18 protected:
19 A();
20 };
21 }
22 struct B {
fenclosing_friend_decl::B23 static void f() { ns::A x; }
24 };
25 }
26
27 namespace enclosing_friend_qualified {
28 struct B;
29 namespace ns {
30 struct A {
31 friend struct enclosing_friend_qualified::B; // Adding name specifiers fixes it.
32 protected:
33 A();
34 };
35 }
36 struct B {
fenclosing_friend_qualified::B37 static void f() { ns::A x; }
38 };
39 }
40
41 namespace enclosing_friend_no_tag {
42 struct B;
43 namespace ns {
44 struct A {
45 friend B; // Removing the tag decl fixes it.
46 protected:
47 A();
48 };
49 }
50 struct B {
fenclosing_friend_no_tag::B51 static void f() { ns::A x; }
52 };
53 }
54
55 namespace enclosing_friend_func {
56 void f();
57 namespace ns {
58 struct A {
59 // Amusingly, in MSVC, this declares ns::f(), and doesn't find the outer f().
60 friend void f();
61 protected:
62 A(); // expected-note {{declared protected here}}
63 };
64 }
f()65 void f() { ns::A x; } // expected-error {{calling a protected constructor of class 'enclosing_friend_func::ns::A'}}
66 }
67
68 namespace test_nns_fixit_hint {
69 namespace name1 {
70 namespace name2 {
71 struct X;
72 struct name2;
73 namespace name3 {
74 struct Y {
75 friend struct X; // expected-warning-re {{unqualified friend declaration {{.*}} is a Microsoft extension}}
76 // CHECK: fix-it:"{{.*}}":{[[@LINE-1]]:17-[[@LINE-1]]:17}:"name1::name2::"
77 };
78 }
79 }
80 }
81 }
82
83 // A friend declaration injects a forward declaration into the nearest enclosing
84 // non-member scope.
85 namespace friend_as_a_forward_decl {
86
87 class A {
88 class Nested {
89 friend class B;
90 B *b;
91 };
92 B *b;
93 };
94 B *global_b;
95
f()96 void f() {
97 class Local {
98 friend class Z;
99 Z *b;
100 };
101 Z *b;
102 }
103
104 }
105