File: using-directive.cpp

package info (click to toggle)
llvm-toolchain-11 1%3A11.0.1-2
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 995,808 kB
  • sloc: cpp: 4,767,656; ansic: 760,916; asm: 477,436; python: 170,940; objc: 69,804; lisp: 29,914; sh: 23,855; f90: 18,173; pascal: 7,551; perl: 7,471; ml: 5,603; awk: 3,489; makefile: 2,573; xml: 915; cs: 573; fortran: 503; javascript: 452
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; }
}