File: using-directive.cpp

package info (click to toggle)
llvm-toolchain-15 1%3A15.0.6-4
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,554,644 kB
  • sloc: cpp: 5,922,452; ansic: 1,012,136; asm: 674,362; python: 191,568; objc: 73,855; f90: 42,327; lisp: 31,913; pascal: 11,973; javascript: 10,144; sh: 9,421; perl: 7,447; ml: 5,527; awk: 3,523; makefile: 2,520; xml: 885; cs: 573; fortran: 567
file content (62 lines) | stat: -rw-r--r-- 1,441 bytes parent folder | download | duplicates (28)
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
// RUN: %clang_cc1 -fmodules -fmodules-local-submodule-visibility -fno-modules-error-recovery -fno-spell-checking -verify %s

#pragma clang module build a
module a { explicit module b {} explicit module c {} }
#pragma clang module contents

#pragma clang module begin a.b
namespace b { int n; }
#pragma clang module end

#pragma clang module begin a.c
#pragma clang module import a.b
namespace c { using namespace b; }
#pragma clang module end

#pragma clang module begin a
#pragma clang module import a.c
using namespace c;
#pragma clang module end

#pragma clang module endbuild

#pragma clang module import a.b
void use1() {
  (void)n; // expected-error {{use of undeclared identifier}}
  (void)::n; // expected-error {{no member named 'n' in the global namespace}}
  (void)b::n;
}
namespace b {
  void use1_in_b() { (void)n; }
}
namespace c {
  void use1_in_c() { (void)n; } // expected-error {{use of undeclared identifier}}
}

#pragma clang module import a.c
void use2() {
  (void)n; // expected-error {{use of undeclared identifier}}
  (void)::n; // expected-error {{no member named 'n' in the global namespace}}
  (void)b::n;
  (void)c::n;
}
namespace b {
  void use2_in_b() { (void)n; }
}
namespace c {
  void use2_in_c() { (void)n; }
}

#pragma clang module import a
void use3() {
  (void)n;
  (void)::n;
  (void)b::n;
  (void)c::n;
}
namespace b {
  void use3_in_b() { (void)n; }
}
namespace c {
  void use3_in_c() { (void)n; }
}