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d86cc73bbf
This patch tries to remove all the direct use of DeclID except the real low level reading and writing. All the use of DeclID is converted to the use of LocalDeclID or GlobalDeclID. This is helpful to increase the readability and type safety.
77 lines
2.8 KiB
C++
77 lines
2.8 KiB
C++
//===- DeclFriend.cpp - C++ Friend Declaration AST Node Implementation ----===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// This file implements the AST classes related to C++ friend
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// declarations.
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//
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//===----------------------------------------------------------------------===//
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#include "clang/AST/DeclFriend.h"
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#include "clang/AST/Decl.h"
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#include "clang/AST/DeclBase.h"
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#include "clang/AST/DeclCXX.h"
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#include "clang/AST/ASTContext.h"
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#include "clang/AST/DeclTemplate.h"
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#include "clang/Basic/LLVM.h"
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#include "llvm/Support/Casting.h"
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#include <cassert>
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#include <cstddef>
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using namespace clang;
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void FriendDecl::anchor() {}
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FriendDecl *FriendDecl::getNextFriendSlowCase() {
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return cast_or_null<FriendDecl>(
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NextFriend.get(getASTContext().getExternalSource()));
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}
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FriendDecl *FriendDecl::Create(ASTContext &C, DeclContext *DC,
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SourceLocation L,
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FriendUnion Friend,
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SourceLocation FriendL,
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ArrayRef<TemplateParameterList *> FriendTypeTPLists) {
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#ifndef NDEBUG
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if (Friend.is<NamedDecl *>()) {
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const auto *D = Friend.get<NamedDecl*>();
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assert(isa<FunctionDecl>(D) ||
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isa<CXXRecordDecl>(D) ||
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isa<FunctionTemplateDecl>(D) ||
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isa<ClassTemplateDecl>(D));
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// As a temporary hack, we permit template instantiation to point
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// to the original declaration when instantiating members.
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assert(D->getFriendObjectKind() ||
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(cast<CXXRecordDecl>(DC)->getTemplateSpecializationKind()));
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// These template parameters are for friend types only.
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assert(FriendTypeTPLists.empty());
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}
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#endif
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std::size_t Extra =
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FriendDecl::additionalSizeToAlloc<TemplateParameterList *>(
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FriendTypeTPLists.size());
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auto *FD = new (C, DC, Extra) FriendDecl(DC, L, Friend, FriendL,
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FriendTypeTPLists);
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cast<CXXRecordDecl>(DC)->pushFriendDecl(FD);
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return FD;
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}
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FriendDecl *FriendDecl::CreateDeserialized(ASTContext &C, GlobalDeclID ID,
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unsigned FriendTypeNumTPLists) {
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std::size_t Extra =
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additionalSizeToAlloc<TemplateParameterList *>(FriendTypeNumTPLists);
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return new (C, ID, Extra) FriendDecl(EmptyShell(), FriendTypeNumTPLists);
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}
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FriendDecl *CXXRecordDecl::getFirstFriend() const {
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ExternalASTSource *Source = getParentASTContext().getExternalSource();
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Decl *First = data().FirstFriend.get(Source);
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return First ? cast<FriendDecl>(First) : nullptr;
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}
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