File: using-decl-friend-2.cpp

package info (click to toggle)
llvm-toolchain-16 1%3A16.0.6-15~deb12u1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,634,792 kB
  • sloc: cpp: 6,179,261; ansic: 1,216,205; asm: 741,319; python: 196,614; objc: 75,325; f90: 49,640; lisp: 32,396; pascal: 12,286; sh: 9,394; perl: 7,442; ml: 5,494; awk: 3,523; makefile: 2,723; javascript: 1,206; xml: 886; fortran: 581; cs: 573
file content (39 lines) | stat: -rw-r--r-- 1,107 bytes parent folder | download | duplicates (27)
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
// RUN: %clang_cc1 -fmodules %s -verify
// expected-no-diagnostics

#pragma clang module build A
module A {}
#pragma clang module contents
#pragma clang module begin A
namespace N { class X; }
#pragma clang module end
#pragma clang module endbuild

#pragma clang module build B
module B {}
#pragma clang module contents
#pragma clang module begin B
namespace N { class Friendly { friend class X; }; }
#pragma clang module end
#pragma clang module endbuild

#pragma clang module build C
module C {}
#pragma clang module contents
#pragma clang module begin C
#pragma clang module import A
void use_X(N::X *p);
#pragma clang module import B
// UsingShadowDecl names the friend declaration
using N::X;
#pragma clang module end
#pragma clang module endbuild

#pragma clang module import B
namespace N { class AlsoFriendly { friend class X; }; }
#pragma clang module import A
#pragma clang module import C
// The friend declaration from N::Friendly is now the first in the redecl
// chain, so is not ordinarily visible. We need the IDNS of the UsingShadowDecl
// to still consider it to be visible, though.
X *p;