DeclFriend.cpp revision f5b2e4e507e7014d09331fda4e7f0d5682d13660 
1//===--- DeclFriend.cpp - C++ Friend Declaration AST Node Implementation --===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9//
10// This file implements the AST classes related to C++ friend
11// declarations.
12//
13//===----------------------------------------------------------------------===//
14
15#include "clang/AST/DeclFriend.h"
16#include "clang/AST/DeclTemplate.h"
17using namespace clang;
18
19FriendDecl *FriendDecl::Create(ASTContext &C, DeclContext *DC,
20                               SourceLocation L,
21                               FriendUnion Friend,
22                               SourceLocation FriendL) {
23#ifndef NDEBUG
24  if (Friend.is<NamedDecl*>()) {
25    NamedDecl *D = Friend.get<NamedDecl*>();
26    assert(isa<FunctionDecl>(D) ||
27           isa<CXXRecordDecl>(D) ||
28           isa<FunctionTemplateDecl>(D) ||
29           isa<ClassTemplateDecl>(D));
30
31    // As a temporary hack, we permit template instantiation to point
32    // to the original declaration when instantiating members.
33    assert(D->getFriendObjectKind() ||
34           (cast<CXXRecordDecl>(DC)->getTemplateSpecializationKind()));
35  }
36#endif
37
38  FriendDecl *FD = new (C) FriendDecl(DC, L, Friend, FriendL);
39  cast<CXXRecordDecl>(DC)->pushFriendDecl(FD);
40  return FD;
41}
42
43FriendDecl *FriendDecl::Create(ASTContext &C, EmptyShell Empty) {
44  return new (C) FriendDecl(Empty);
45}
46