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" 17 using namespace clang; 18 19 void FriendDecl::anchor() { } 20 21 FriendDecl *FriendDecl::Create(ASTContext &C, DeclContext *DC, 22 SourceLocation L, 23 FriendUnion Friend, 24 SourceLocation FriendL) { 25 #ifndef NDEBUG 26 if (Friend.is<NamedDecl*>()) { 27 NamedDecl *D = Friend.get<NamedDecl*>(); 28 assert(isa<FunctionDecl>(D) || 29 isa<CXXRecordDecl>(D) || 30 isa<FunctionTemplateDecl>(D) || 31 isa<ClassTemplateDecl>(D)); 32 33 // As a temporary hack, we permit template instantiation to point 34 // to the original declaration when instantiating members. 35 assert(D->getFriendObjectKind() || 36 (cast<CXXRecordDecl>(DC)->getTemplateSpecializationKind())); 37 } 38 #endif 39 40 FriendDecl *FD = new (C) FriendDecl(DC, L, Friend, FriendL); 41 cast<CXXRecordDecl>(DC)->pushFriendDecl(FD); 42 return FD; 43 } 44 45 FriendDecl *FriendDecl::CreateDeserialized(ASTContext &C, unsigned ID) { 46 void *Mem = AllocateDeserializedDecl(C, ID, sizeof(FriendDecl)); 47 return new (Mem) FriendDecl(EmptyShell()); 48 } 49