clang: clang::ASTRecordLayout Class Reference (original) (raw)

ASTRecordLayout - This class contains layout information for one RecordDecl, which is a struct/union/class. More...

#include "[clang/AST/RecordLayout.h](RecordLayout%5F8h%5Fsource.html)"

Public Member Functions
ASTRecordLayout (const ASTRecordLayout &)=delete
ASTRecordLayout & operator= (const ASTRecordLayout &)=delete
CharUnits getAlignment () const
getAlignment - Get the record alignment in characters.
CharUnits getPreferredAlignment () const
getPreferredFieldAlignment - Get the record preferred alignment in characters.
CharUnits getUnadjustedAlignment () const
getUnadjustedAlignment - Get the record alignment in characters, before alignment adjustment.
CharUnits getSize () const
getSize - Get the record size in characters.
unsigned getFieldCount () const
getFieldCount - Get the number of fields in the layout.
uint64_t getFieldOffset (unsigned FieldNo) const
getFieldOffset - Get the offset of the given field index, in bits.
CharUnits getDataSize () const
getDataSize() - Get the record data size, which is the record size without tail padding, in characters.
CharUnits getNonVirtualSize () const
getNonVirtualSize - Get the non-virtual size (in chars) of an object, which is the size of the object without virtual bases.
CharUnits getNonVirtualAlignment () const
getNonVirtualAlignment - Get the non-virtual alignment (in chars) of an object, which is the alignment of the object without virtual bases.
CharUnits getPreferredNVAlignment () const
getPreferredNVAlignment - Get the preferred non-virtual alignment (in chars) of an object, which is the preferred alignment of the object without virtual bases.
const CXXRecordDecl * getPrimaryBase () const
getPrimaryBase - Get the primary base for this record.
bool isPrimaryBaseVirtual () const
isPrimaryBaseVirtual - Get whether the primary base for this record is virtual or not.
CharUnits getBaseClassOffset (const CXXRecordDecl *Base) const
getBaseClassOffset - Get the offset, in chars, for the given base class.
CharUnits getVBaseClassOffset (const CXXRecordDecl *VBase) const
getVBaseClassOffset - Get the offset, in chars, for the given base class.
CharUnits getSizeOfLargestEmptySubobject () const
bool hasOwnVFPtr () const
hasOwnVFPtr - Does this class provide its own virtual-function table pointer, rather than inheriting one from a primary base class?
bool hasExtendableVFPtr () const
hasVFPtr - Does this class have a virtual function table pointer that can be extended by a derived class?
bool hasOwnVBPtr () const
hasOwnVBPtr - Does this class provide its own virtual-base table pointer, rather than inheriting one from a primary base class?
bool hasVBPtr () const
hasVBPtr - Does this class have a virtual function table pointer.
CharUnits getRequiredAlignment () const
bool endsWithZeroSizedObject () const
bool leadsWithZeroSizedBase () const
CharUnits getVBPtrOffset () const
getVBPtrOffset - Get the offset for virtual base table pointer.
const CXXRecordDecl * getBaseSharingVBPtr () const
const VBaseOffsetsMapTy & getVBaseOffsetsMap () const

ASTRecordLayout - This class contains layout information for one RecordDecl, which is a struct/union/class.

The decl represented must be a definition, not a forward declaration. This class is also used to contain layout information for one ObjCInterfaceDecl. FIXME - Find appropriate name. These objects are managed by ASTContext.

Definition at line 38 of file RecordLayout.h.

◆ VBaseOffsetsMapTy

◆ endsWithZeroSizedObject()

bool clang::ASTRecordLayout::endsWithZeroSizedObject ( ) const inline

◆ getAlignment()

CharUnits clang::ASTRecordLayout::getAlignment ( ) const inline

◆ getBaseClassOffset()

getBaseClassOffset - Get the offset, in chars, for the given base class.

Definition at line 250 of file RecordLayout.h.

Referenced by clang::CodeGen::swiftcall::SwiftAggLowering::addTypedData(), clang::interp::IntPointer::baseCast(), BitsContainNoUserData(), calculateOffset(), CastToDerivedClass(), clang::CIRGen::CIRGenModule::computeNonVirtualBaseClassOffset(), clang::CodeGen::CodeGenModule::computeNonVirtualBaseClassOffset(), computeOffsetHint(), computeOffsetHint(), clang::interp::computePointerOffset(), DiagnoseReinterpretUpDownCast(), DumpRecordLayout(), emitExactDynamicCast(), enumerateData(), findPathsToSubobject(), clang::CodeGen::CodeGenFunction::GetAddressOfDirectBaseInCompleteClass(), clang::CIRGen::CIRGenFunction::getAddressOfDirectBaseInCompleteClass(), getDerivedToBaseAlignmentAndOffset(), clang::ASTContext::getMemberPointerPathAdjustment(), clang::ASTContext::getOffsetOfBaseWithVBPtr(), getOffsetOfFullPath(), clang::CIRGen::CIRGenFunction::getOverlapForBaseInit(), clang::CodeGen::CodeGenFunction::getOverlapForBaseInit(), getSubobjectOffset(), clang::CIRGen::CIRGenFunction::getVTablePointers(), clang::CodeGen::CodeGenFunction::getVTablePointers(), clang::CodeGen::CodeGenFunction::GetVTTParameter(), clang::CIRGen::CIRGenFunction::getVTTParameter(), clang::interp::InterpretOffsetOf(), clang::interp::Pointer::toAPValue(), and clang::CodeGen::CodeGenModule::TryEmitBaseDestructorAsAlias().

◆ getBaseSharingVBPtr()

const CXXRecordDecl * clang::ASTRecordLayout::getBaseSharingVBPtr ( ) const inline

◆ getDataSize()

CharUnits clang::ASTRecordLayout::getDataSize ( ) const inline

◆ getFieldCount()

unsigned clang::ASTRecordLayout::getFieldCount ( ) const inline

◆ getFieldOffset()

uint64_t clang::ASTRecordLayout::getFieldOffset ( unsigned FieldNo) const inline

getFieldOffset - Get the offset of the given field index, in bits.

Definition at line 201 of file RecordLayout.h.

Referenced by clang::CodeGen::swiftcall::SwiftAggLowering::addTypedData(), clang::interp::IntPointer::atOffset(), BitsContainNoUserData(), calculateOffset(), clang::interp::computePointerOffset(), clang::CodeGen::CodeGenTypes::ComputeRecordLayout(), clang::ASTContext::DumpRecordLayout(), DumpRecordLayout(), clang::CodeGen::CodeGenFunction::EmitAsanPrologueOrEpilogue(), clang::CodeGen::CodeGenFunction::EmitLValueForField(), clang::CodeGen::CodeGenFunction::EmitOMPTaskBasedDirective(), EncodeBitField(), enumerateData(), getBaseAlignmentAndOffsetFromLValue(), clang::ASTContext::getDeclAlign(), GetFieldOffset(), getFieldOffset(), getFieldOffsetInBits(), clang::VarDecl::getFlexibleArrayInitChars(), clang::CIRGen::CIRGenFunction::getOverlapForFieldInit(), clang::CodeGen::CodeGenFunction::getOverlapForFieldInit(), clang::interp::InterpretOffsetOf(), isIntegerLikeType(), clang::ASTContext::lookupFieldBitOffset(), clang::Sema::LookupInlineAsmField(), setUsedBits(), and clang::interp::Pointer::toAPValue().

◆ getNonVirtualAlignment()

CharUnits clang::ASTRecordLayout::getNonVirtualAlignment ( ) const inline

◆ getNonVirtualSize()

CharUnits clang::ASTRecordLayout::getNonVirtualSize ( ) const inline

getNonVirtualSize - Get the non-virtual size (in chars) of an object, which is the size of the object without virtual bases.

Definition at line 211 of file RecordLayout.h.

Referenced by clang::CodeGen::CodeGenTypes::ComputeRecordLayout(), clang::CIRGen::CIRGenTypes::computeRecordLayout(), DumpRecordLayout(), clang::CodeGen::CodeGenFunction::EmitAsanPrologueOrEpilogue(), EmitNullBaseClassInitialization(), emitNullBaseClassInitialization(), EmitNullConstant(), emitNullConstant(), clang::CIRGen::CIRGenFunction::getOverlapForBaseInit(), clang::CodeGen::CodeGenFunction::getOverlapForBaseInit(), clang::CIRGen::CIRGenFunction::getOverlapForFieldInit(), and clang::CodeGen::CodeGenFunction::getOverlapForFieldInit().

◆ getPreferredAlignment()

CharUnits clang::ASTRecordLayout::getPreferredAlignment ( ) const inline

◆ getPreferredNVAlignment()

CharUnits clang::ASTRecordLayout::getPreferredNVAlignment ( ) const inline

getPreferredNVAlignment - Get the preferred non-virtual alignment (in chars) of an object, which is the preferred alignment of the object without virtual bases.

Definition at line 228 of file RecordLayout.h.

Referenced by DumpRecordLayout().

◆ getPrimaryBase()

const CXXRecordDecl * clang::ASTRecordLayout::getPrimaryBase ( ) const inline

◆ getRequiredAlignment()

CharUnits clang::ASTRecordLayout::getRequiredAlignment ( ) const inline

◆ getSize()

CharUnits clang::ASTRecordLayout::getSize ( ) const inline

◆ getSizeOfLargestEmptySubobject()

CharUnits clang::ASTRecordLayout::getSizeOfLargestEmptySubobject ( ) const inline

◆ getUnadjustedAlignment()

CharUnits clang::ASTRecordLayout::getUnadjustedAlignment ( ) const inline

◆ getVBaseClassOffset()

getVBaseClassOffset - Get the offset, in chars, for the given base class.

Definition at line 260 of file RecordLayout.h.

References clang::CXXRecordDecl::getDefinition().

Referenced by clang::CodeGen::swiftcall::SwiftAggLowering::addTypedData(), calculateOffset(), CastToDerivedClass(), clang::interp::computePointerOffset(), DumpRecordLayout(), emitExactDynamicCast(), findPathsToSubobject(), clang::CodeGen::CodeGenFunction::GetAddressOfBaseClass(), clang::CIRGen::CIRGenFunction::getAddressOfBaseClass(), clang::CodeGen::CodeGenFunction::GetAddressOfDirectBaseInCompleteClass(), clang::CIRGen::CIRGenFunction::getAddressOfDirectBaseInCompleteClass(), getOffsetOfFullPath(), clang::CIRGen::CIRGenFunction::getVTablePointers(), clang::CodeGen::CodeGenFunction::getVTablePointers(), clang::CodeGen::CodeGenFunction::GetVTTParameter(), clang::CIRGen::CIRGenFunction::getVTTParameter(), HandleLValueBase(), clang::interp::Pointer::toAPValue(), and vfptrIsEarlierInMDC().

◆ getVBaseOffsetsMap()

const VBaseOffsetsMapTy & clang::ASTRecordLayout::getVBaseOffsetsMap ( ) const inline

◆ getVBPtrOffset()

CharUnits clang::ASTRecordLayout::getVBPtrOffset ( ) const inline

◆ hasExtendableVFPtr()

bool clang::ASTRecordLayout::hasExtendableVFPtr ( ) const inline

hasVFPtr - Does this class have a virtual function table pointer that can be extended by a derived class?

This is synonymous with this class having a VFPtr at offset zero.

Definition at line 289 of file RecordLayout.h.

◆ hasOwnVBPtr()

bool clang::ASTRecordLayout::hasOwnVBPtr ( ) const inline

◆ hasOwnVFPtr()

bool clang::ASTRecordLayout::hasOwnVFPtr ( ) const inline

◆ hasVBPtr()

bool clang::ASTRecordLayout::hasVBPtr ( ) const inline

◆ isPrimaryBaseVirtual()

bool clang::ASTRecordLayout::isPrimaryBaseVirtual ( ) const inline

◆ leadsWithZeroSizedBase()

bool clang::ASTRecordLayout::leadsWithZeroSizedBase ( ) const inline

◆ operator=()

◆ ASTContext

The documentation for this class was generated from the following files: