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
|
// RUN: rm -rf %t
// RUN: mkdir %t
// RUN: split-file %s %t
//
// RUN: %clang_cc1 -std=c++20 -verify %t/global-vs-module.cppm
// RUN: %clang_cc1 -std=c++20 -verify %t/global-vs-module.cppm -DEXPORT
// RUN: %clang_cc1 -std=c++20 -verify %t/global-vs-module.cppm -DUSING
//
// RUN: %clang_cc1 -std=c++20 -emit-module-interface %t/global-vs-module.cppm -o %t/M.pcm -DNO_GLOBAL -DEXPORT
// RUN: %clang_cc1 -std=c++20 -verify %t/module-vs-global.cpp -fmodule-file=M=%t/M.pcm
//
// Some of the following tests intentionally have no -verify in their RUN
// lines; we are testing that those cases do not produce errors.
//
// RUN: %clang_cc1 -std=c++20 %t/module-vs-module.cpp -fmodule-file=M=%t/M.pcm -DMODULE_INTERFACE -verify
// RUN: %clang_cc1 -std=c++20 %t/module-vs-module.cpp -fmodule-file=M=%t/M.pcm -DMODULE_INTERFACE -DNO_IMPORT
//
// RUN: %clang_cc1 -std=c++20 %t/module-vs-module.cpp -fmodule-file=M=%t/M.pcm -emit-module-interface -o %t/N.pcm -DMODULE_INTERFACE -DNO_ERRORS
// RUN: %clang_cc1 -std=c++20 %t/module-vs-module.cpp -fmodule-file=M=%t/M.pcm -fmodule-file=N=%t/N.pcm -verify
//
// RUN: %clang_cc1 -std=c++20 %t/module-vs-module.cpp -fmodule-file=M=%t/M.pcm -fmodule-file=N=%t/N.pcm -DNO_IMPORT -verify
//
// RUN: %clang_cc1 -std=c++20 %t/module-vs-module.cpp -fmodule-file=M=%t/M.pcm -emit-module-interface -o %t/N-no-M.pcm -DMODULE_INTERFACE -DNO_ERRORS -DNO_IMPORT
// RUN: %clang_cc1 -std=c++20 %t/module-vs-module.cpp -fmodule-file=M=%t/M.pcm -fmodule-file=N=%t/N-no-M.pcm -verify
// RUN: %clang_cc1 -std=c++20 %t/module-vs-module.cpp -fmodule-file=N=%t/N-no-M.pcm -DNO_IMPORT
//--- global-vs-module.cppm
#ifndef NO_GLOBAL
module;
extern int var; // expected-note {{previous declaration is here}}
int func(); // expected-note {{previous declaration is here}}
struct str; // expected-note {{previous declaration is here}}
using type = int;
template<typename> extern int var_tpl; // expected-note {{previous declaration is here}}
template<typename> int func_tpl(); // expected-note {{previous declaration is here}}
template<typename> struct str_tpl; // expected-note {{previous declaration is here}}
template<typename> using type_tpl = int; // expected-note {{previous declaration is here}}
typedef int type;
namespace ns { using ::func; }
namespace ns_alias = ns;
#endif
export module M;
#ifdef USING
using ::var;
using ::func;
using ::str;
using ::type;
using ::var_tpl;
using ::func_tpl;
using ::str_tpl;
using ::type_tpl;
#endif
#ifdef EXPORT
export {
#endif
extern int var; // expected-error {{declaration of 'var' in module M follows declaration in the global module}}
int func(); // expected-error {{declaration of 'func' in module M follows declaration in the global module}}
struct str; // expected-error {{declaration of 'str' in module M follows declaration in the global module}}
using type = int;
template<typename> extern int var_tpl; // expected-error {{declaration of 'var_tpl' in module M follows declaration in the global module}}
template<typename> int func_tpl(); // expected-error {{declaration of 'func_tpl' in module M follows declaration in the global module}}
template<typename> struct str_tpl; // expected-error {{declaration of 'str_tpl' in module M follows declaration in the global module}}
template<typename> using type_tpl = int; // expected-error {{declaration of 'type_tpl' in module M follows declaration in the global module}}
typedef int type;
namespace ns { using ::func; }
namespace ns_alias = ns;
#ifdef EXPORT
}
#endif
//--- module-vs-global.cpp
import M;
extern int var; // expected-error {{declaration of 'var' in the global module follows declaration in module M}} expected-note@global-vs-module.cppm:35 {{previous}}
int func(); // expected-error {{declaration of 'func' in the global module follows declaration in module M}} expected-note@global-vs-module.cppm:36 {{previous}}
struct str; // expected-error {{declaration of 'str' in the global module follows declaration in module M}} expected-note@global-vs-module.cppm:37 {{previous}}
using type = int;
template<typename> extern int var_tpl; // expected-error {{declaration of 'var_tpl' in the global module follows declaration in module M}} expected-note@global-vs-module.cppm:40 {{previous}}
template<typename> int func_tpl(); // expected-error {{declaration of 'func_tpl' in the global module follows declaration in module M}} expected-note@global-vs-module.cppm:41 {{previous}}
template<typename> struct str_tpl; // expected-error {{declaration of 'str_tpl' in the global module follows declaration in module M}} expected-note@global-vs-module.cppm:42 {{previous}}
template<typename> using type_tpl = int; // expected-error {{declaration of 'type_tpl' in the global module follows declaration in module M}} expected-note@global-vs-module.cppm:43 {{previous}}
typedef int type;
namespace ns { using ::func; }
namespace ns_alias = ns;
//--- module-vs-module.cpp
#ifdef MODULE_INTERFACE
export module N;
#else
module N;
#endif
#ifndef NO_IMPORT
import M;
#endif
#ifndef NO_ERRORS
extern int var; // expected-error {{declaration of 'var' in module N follows declaration in module M}} expected-note@global-vs-module.cppm:35 {{previous}}
int func(); // expected-error {{declaration of 'func' in module N follows declaration in module M}} expected-note@global-vs-module.cppm:36 {{previous}}
struct str; // expected-error {{declaration of 'str' in module N follows declaration in module M}} expected-note@global-vs-module.cppm:37 {{previous}}
using type = int;
template<typename> extern int var_tpl; // expected-error {{declaration of 'var_tpl' in module N follows declaration in module M}} expected-note@global-vs-module.cppm:40 {{previous}}
template<typename> int func_tpl(); // expected-error {{declaration of 'func_tpl' in module N follows declaration in module M}} expected-note@global-vs-module.cppm:41 {{previous}}
template<typename> struct str_tpl; // expected-error {{declaration of 'str_tpl' in module N follows declaration in module M}} expected-note@global-vs-module.cppm:42 {{previous}}
template<typename> using type_tpl = int; // expected-error {{declaration of 'type_tpl' in module N follows declaration in module M}} expected-note@global-vs-module.cppm:43 {{previous}}
typedef int type;
namespace ns { using ::func; }
namespace ns_alias = ns;
#endif
|
