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
|
// RUN: rm -rf %t
// RUN: split-file %s %t
// RUN: %clang_cc1 -std=c++20 -verify %t/M.cpp
// RUN: %clang_cc1 -std=c++20 -verify %t/ImportError1.cpp
// RUN: %clang_cc1 -std=c++20 -verify %t/ImportError2.cpp
//--- M.cpp
module;
struct import { struct inner {}; };
struct module { struct inner {}; };
constexpr int n = 123;
export module m; // #1
module y = {}; // expected-error {{multiple module declarations}} expected-error 2{{}}
// expected-note@#1 {{previous module declaration}}
::import x = {};
::module y = {};
import::inner xi = {};
module::inner yi = {};
namespace N {
module a;
import b;
}
extern "C++" module cxxm;
extern "C++" import cxxi;
template<typename T> module module_var_template;
// This is a variable named 'import' that shadows the type 'import' above.
struct X {} import;
//--- ImportError1.cpp
module;
struct import { struct inner {}; };
struct module { struct inner {}; };
constexpr int n = 123;
export module m; // #1
import x = {}; // expected-error {{expected ';' after module name}}
// expected-error@-1 {{module 'x' not found}}
//--- ImportError2.cpp
module;
struct module { struct inner {}; };
constexpr int n = 123;
export module m; // #1
struct X;
template<int> struct import;
template<> struct import<n> {
static X y;
};
// This is not valid because the 'import <n>' is a pp-import, even though it
// grammatically can't possibly be an import declaration.
struct X {} import<n>::y; // expected-error {{'n' file not found}}
|
