forked from OSchip/llvm-project
67 lines
2.5 KiB
C++
67 lines
2.5 KiB
C++
//===--- DeclFriend.cpp - C++ Friend Declaration AST Node Implementation --===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// This file implements the AST classes related to C++ friend
|
|
// declarations.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "clang/AST/ASTContext.h"
|
|
#include "clang/AST/DeclFriend.h"
|
|
#include "clang/AST/DeclTemplate.h"
|
|
using namespace clang;
|
|
|
|
void FriendDecl::anchor() { }
|
|
|
|
FriendDecl *FriendDecl::getNextFriendSlowCase() {
|
|
return cast_or_null<FriendDecl>(
|
|
NextFriend.get(getASTContext().getExternalSource()));
|
|
}
|
|
|
|
FriendDecl *FriendDecl::Create(ASTContext &C, DeclContext *DC,
|
|
SourceLocation L,
|
|
FriendUnion Friend,
|
|
SourceLocation FriendL,
|
|
ArrayRef<TemplateParameterList*> FriendTypeTPLists) {
|
|
#ifndef NDEBUG
|
|
if (Friend.is<NamedDecl*>()) {
|
|
NamedDecl *D = Friend.get<NamedDecl*>();
|
|
assert(isa<FunctionDecl>(D) ||
|
|
isa<CXXRecordDecl>(D) ||
|
|
isa<FunctionTemplateDecl>(D) ||
|
|
isa<ClassTemplateDecl>(D));
|
|
|
|
// As a temporary hack, we permit template instantiation to point
|
|
// to the original declaration when instantiating members.
|
|
assert(D->getFriendObjectKind() ||
|
|
(cast<CXXRecordDecl>(DC)->getTemplateSpecializationKind()));
|
|
// These template parameters are for friend types only.
|
|
assert(FriendTypeTPLists.size() == 0);
|
|
}
|
|
#endif
|
|
|
|
std::size_t Extra = FriendTypeTPLists.size() * sizeof(TemplateParameterList*);
|
|
FriendDecl *FD = new (C, DC, Extra) FriendDecl(DC, L, Friend, FriendL,
|
|
FriendTypeTPLists);
|
|
cast<CXXRecordDecl>(DC)->pushFriendDecl(FD);
|
|
return FD;
|
|
}
|
|
|
|
FriendDecl *FriendDecl::CreateDeserialized(ASTContext &C, unsigned ID,
|
|
unsigned FriendTypeNumTPLists) {
|
|
std::size_t Extra = FriendTypeNumTPLists * sizeof(TemplateParameterList*);
|
|
return new (C, ID, Extra) FriendDecl(EmptyShell(), FriendTypeNumTPLists);
|
|
}
|
|
|
|
FriendDecl *CXXRecordDecl::getFirstFriend() const {
|
|
ExternalASTSource *Source = getParentASTContext().getExternalSource();
|
|
Decl *First = data().FirstFriend.get(Source);
|
|
return First ? cast<FriendDecl>(First) : 0;
|
|
}
|