llvm/clang/lib/AST/VTTBuilder.cpp

//===- VTTBuilder.cpp - C++ VTT layout builder ----------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This contains code dealing with generation of the layout of virtual table
// tables (VTT).
//
//===----------------------------------------------------------------------===//

#include "clang/AST/VTTBuilder.h"
#include "clang/AST/ASTContext.h"
#include "clang/AST/BaseSubobject.h"
#include "clang/AST/CharUnits.h"
#include "clang/AST/Decl.h"
#include "clang/AST/DeclCXX.h"
#include "clang/AST/RecordLayout.h"
#include "clang/AST/Type.h"
#include "clang/Basic/LLVM.h"
#include "llvm/Support/Casting.h"
#include <cassert>
#include <cstdint>

usingnamespaceclang;

#define DUMP_OVERRIDERS …

VTTBuilder::VTTBuilder(ASTContext &Ctx,
                       const CXXRecordDecl *MostDerivedClass,
                       bool GenerateDefinition)
    : … { … }

void VTTBuilder::AddVTablePointer(BaseSubobject Base, uint64_t VTableIndex,
                                  const CXXRecordDecl *VTableClass) { … }

void VTTBuilder::LayoutSecondaryVTTs(BaseSubobject Base) { … }

void
VTTBuilder::LayoutSecondaryVirtualPointers(BaseSubobject Base,
                                           bool BaseIsMorallyVirtual,
                                           uint64_t VTableIndex,
                                           const CXXRecordDecl *VTableClass,
                                           VisitedVirtualBasesSetTy &VBases) { … }

void
VTTBuilder::LayoutSecondaryVirtualPointers(BaseSubobject Base,
                                           uint64_t VTableIndex) { … }

void VTTBuilder::LayoutVirtualVTTs(const CXXRecordDecl *RD,
                                   VisitedVirtualBasesSetTy &VBases) { … }

void VTTBuilder::LayoutVTT(BaseSubobject Base, bool BaseIsVirtual) { … }