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
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
|
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
#include <sal/config.h>
#include <vector>
#include "external.hxx"
int n0; // no warning, see external.hxx
// expected-error@+1 {{externally available entity 'n1' is not previously declared in an included file (if it is only used in this translation unit, make it static or put it in an unnamed namespace; otherwise, provide a declaration of it in an included file) [loplugin:external]}}
int n1 = 0;
// expected-note@+1 {{another declaration is here [loplugin:external]}}
extern int n1;
int const n2 = 0; // no warning, internal linkage
constexpr int n3 = 0; // no warning, internal linkage
static int n4; // no warning, internal linkage
// expected-note@+1 {{another declaration is here [loplugin:external]}}
extern int n5;
// expected-error@+1 {{externally available entity 'n5' is not previously declared in an included file (if it is only used in this translation unit, make it static or put it in an unnamed namespace; otherwise, provide a declaration of it in an included file) [loplugin:external]}}
int n5;
// expected-note@+1 {{another declaration is here [loplugin:external]}}
extern "C" int n6;
// expected-error@+1 {{externally available entity 'n6' is not previously declared in an included file (if it is only used in this translation unit, make it static or put it in an unnamed namespace; otherwise, provide a declaration of it in an included file) [loplugin:external]}}
int n6;
extern "C" {
// expected-error@+1 {{externally available entity 'n7' is not previously declared in an included file (if it is only used in this translation unit, make it static or put it in an unnamed namespace; otherwise, provide a declaration of it in an included file) [loplugin:external]}}
int n7;
}
namespace
{
int u1; // no warning, internal linkage
static int u2; // no warning, internal linkage
extern "C" int u3;
int u3; // no warning, see the comment about DR1113 in compilerplugins/clang/external.cxx
extern "C" {
int u4; // no warning, internal linkage
}
}
namespace N
{
int v1; // no warning, see external.hxx
// expected-error@+1 {{externally available entity 'v2' is not previously declared in an included file (if it is only used in this translation unit, make it static or put it in an unnamed namespace; otherwise, provide a declaration of it in an included file) [loplugin:external]}}
int v2;
static int v3; // no warning, internal linkage
}
struct S
{
static int f()
{
static int s = 0;
return s;
}
static int m;
};
int S::m = 0; // no warning
int f(int a) // no warning about parameters
{
static int s = 0; // no warning about local static variables
++s;
int b = a + s; // no warning about local variables
return b;
}
// expected-error@+1 {{externally available entity 'S1' is not previously declared in an included file (if it is only used in this translation unit, put it in an unnamed namespace; otherwise, provide a declaration of it in an included file) [loplugin:external]}}
struct S1
{
friend void f1() {} // no warning for injected function (no place where to mark it `static`)
template <typename> friend void ft1() {} // ...nor for injected function template
// expected-error@+1 {{externally available entity 'f2' is not previously declared in an included file (if it is only used in this translation unit, make it static; otherwise, provide a declaration of it in an included file) [loplugin:external]}}
friend void f2() {}
};
// expected-error@+1 {{externally available entity 'S2' is not previously declared in an included file (if it is only used in this translation unit, put it in an unnamed namespace; otherwise, provide a declaration of it in an included file) [loplugin:external]}}
struct S2
{
friend void f1();
template <typename> friend void ft1();
// expected-note@+1 {{another declaration is here [loplugin:external]}}
friend void f2();
};
static void g()
{
void f1();
// expected-note@+1 {{another declaration is here [loplugin:external]}}
void f2();
}
// expected-note@+1 {{another declaration is here [loplugin:external]}}
void f2();
namespace N
{
inline namespace I1
{
extern "C++" {
// expected-note@+1 {{another declaration is here [loplugin:external]}}
enum E : int;
// expected-error@+1 {{externally available entity 'E' is not previously declared in an included file (if it is only used in this translation unit, put it in an unnamed namespace; otherwise, provide a declaration of it in an included file) [loplugin:external]}}
enum E : int
{
};
}
}
// expected-note-re@+1 {{a function associating 'N{{(::I1)?}}::E' is declared here [loplugin:external]}}
static void g(std::vector<E>)
{
// expected-note@+1 {{another declaration is here [loplugin:external]}}
void f(E const*);
}
// expected-note-re@+1 {{a function associating 'N{{(::I1)?}}::E' is declared here [loplugin:external]}}
void f(E const*);
extern "C++" {
// expected-note-re@+1 {{a function associating 'N{{(::I1)?}}::E' is declared here [loplugin:external]}}
void fc(E const*);
}
// expected-error@+1 {{externally available entity 'S1' is not previously declared in an included file (if it is only used in this translation unit, put it in an unnamed namespace; otherwise, provide a declaration of it in an included file) [loplugin:external]}}
struct S1
{
struct S2;
// No note about associating function; injected friend function not found by ADL:
friend void f2(E const*);
// expected-note@+1 {{a function associating 'N::S1' is declared here [loplugin:external]}}
friend void h(S1);
};
// expected-error@+1 {{externally available entity 'S3' is not previously declared in an included file (if it is only used in this translation unit, put it in an unnamed namespace; otherwise, provide a declaration of it in an included file) [loplugin:external]}}
struct S3
{
// expected-note@+1 {{another declaration is here [loplugin:external]}}
friend void h(S1);
};
inline namespace I2
{
// expected-note-re@+1 {{a function associating 'N{{(::I1)?}}::E' is declared here [loplugin:external]}}
void f3(E);
inline namespace I3
{
// expected-note-re@+1 {{a function associating 'N{{(::I1)?}}::E' is declared here [loplugin:external]}}
void f4(E);
}
}
}
struct N::S1::S2
{
// expected-note@+1 {{another declaration is here [loplugin:external]}}
friend void f(E const*);
};
int main()
{
(void)n2;
(void)n3;
(void)n4;
(void)u1;
(void)u2;
(void)N::v3;
g();
(void)&N::g;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */
|
