clang::interp::Descriptor Struct Reference

Describes a memory block created by an allocation site. More...

#include "/home/buildbot/as-worker-4/publish-doxygen-docs/llvm-project/clang/lib/AST/ByteCode/Descriptor.h"

Classes
struct	UnknownSize
	Token to denote structures of unknown size. More...

Public Types
using	MetadataSize = std::optional<unsigned>

Public Member Functions
	Descriptor (const DeclTy &D, const Type *SourceTy, PrimType Type, MetadataSize MD, bool IsConst, bool IsTemporary, bool IsMutable, bool IsVolatile)
	Allocates a descriptor for a primitive.
	Descriptor (const DeclTy &D, PrimType Type, MetadataSize MD, size_t NumElems, bool IsConst, bool IsTemporary, bool IsMutable)
	Allocates a descriptor for an array of primitives.
	Descriptor (const DeclTy &D, PrimType Type, MetadataSize MDSize, bool IsConst, bool IsTemporary, UnknownSize)
	Allocates a descriptor for an array of primitives of unknown size.
	Descriptor (const DeclTy &D, const Type *SourceTy, const Descriptor *Elem, MetadataSize MD, unsigned NumElems, bool IsConst, bool IsTemporary, bool IsMutable)
	Allocates a descriptor for an array of composites.
	Descriptor (const DeclTy &D, const Descriptor *Elem, MetadataSize MD, bool IsTemporary, UnknownSize)
	Allocates a descriptor for an array of composites of unknown size.
	Descriptor (const DeclTy &D, const Record *R, MetadataSize MD, bool IsConst, bool IsTemporary, bool IsMutable, bool IsVolatile)
	Allocates a descriptor for a record.
	Descriptor (const DeclTy &D, MetadataSize MD=std::nullopt)
	Allocates a dummy descriptor.
QualType	getType () const
QualType	getElemQualType () const
QualType	getDataType (const ASTContext &Ctx) const
SourceLocation	getLocation () const
SourceInfo	getLoc () const
const Decl *	asDecl () const
const Expr *	asExpr () const
const DeclTy &	getSource () const
const ValueDecl *	asValueDecl () const
const VarDecl *	asVarDecl () const
const FieldDecl *	asFieldDecl () const
const RecordDecl *	asRecordDecl () const
unsigned	getSize () const
	Returns the size of the object without metadata.
PrimType	getPrimType () const
unsigned	getAllocSize () const
	Returns the allocated size, including metadata.
unsigned	getElemSize () const
	returns the size of an element when the structure is viewed as an array.
unsigned	getMetadataSize () const
	Returns the size of the metadata.
unsigned	getNumElems () const
	Returns the number of elements stored in the block.
bool	isPrimitiveArray () const
	Checks if the descriptor is of an array of primitives.
bool	isCompositeArray () const
	Checks if the descriptor is of an array of composites.
bool	isZeroSizeArray () const
	Checks if the descriptor is of an array of zero size.
bool	isUnknownSizeArray () const
	Checks if the descriptor is of an array of unknown size.
bool	isPrimitive () const
	Checks if the descriptor is of a primitive.
bool	isArray () const
	Checks if the descriptor is of an array.
bool	isRecord () const
	Checks if the descriptor is of a record.
bool	isUnion () const
	Checks if the descriptor is of a union.
bool	hasTrivialDtor () const
	Whether variables of this descriptor need their destructor called or not.
void	dump () const
void	dump (llvm::raw_ostream &OS) const
void	dumpFull (unsigned Offset=0, unsigned Indent=0) const
	Dump descriptor, including all valid offsets.

Public Attributes
const Record *const	ElemRecord = nullptr
	Pointer to the record, if block contains records.
const Descriptor *const	ElemDesc = nullptr
	Descriptor of the array element.
const OptPrimType	PrimT = std::nullopt
	The primitive type this descriptor was created for, or the primitive element type in case this is a primitive array.
const bool	IsConst = false
	Flag indicating if the block is mutable.
const bool	IsMutable = false
	Flag indicating if a field is mutable.
const bool	IsTemporary = false
	Flag indicating if the block is a temporary.
const bool	IsVolatile = false
const bool	IsArray = false
	Flag indicating if the block is an array.
bool	IsConstexprUnknown = false
const BlockCtorFn	CtorFn = nullptr
	Storage management methods.
const BlockDtorFn	DtorFn = nullptr

Static Public Attributes
static constexpr MetadataSize	InlineDescMD = sizeof(InlineDescriptor)
static constexpr MetadataSize	GlobalMD = sizeof(GlobalInlineDescriptor)
static constexpr unsigned	MaxArrayElemBytes
	Maximum number of bytes to be used for array elements.

Detailed Description

Describes a memory block created by an allocation site.

Definition at line 122 of file Descriptor.h.

Member Typedef Documentation

MetadataSize

using clang::interp::Descriptor::MetadataSize = std::optional<unsigned>

Definition at line 143 of file Descriptor.h.

Constructor & Destructor Documentation

Descriptor() [1/7]

Descriptor::Descriptor	(	const DeclTy &	D,
		const Type *	SourceTy,
		PrimType	Type,
		MetadataSize	MD,
		bool	IsConst,
		bool	IsTemporary,
		bool	IsMutable,
		bool	IsVolatile )

Allocates a descriptor for a primitive.

Primitives.

Definition at line 287 of file Descriptor.cpp.

References clang::interp::align(), CtorFn, DtorFn, getCtorPrim(), getDtorPrim(), IsConst, IsMutable, IsTemporary, IsVolatile, clang::interp::primSize(), and PrimT.

Referenced by Descriptor(), and Descriptor().

Descriptor() [2/7]

Descriptor::Descriptor	(	const DeclTy &	D,
		PrimType	Type,
		MetadataSize	MD,
		size_t	NumElems,
		bool	IsConst,
		bool	IsTemporary,
		bool	IsMutable )

Allocates a descriptor for an array of primitives.

Primitive arrays.

Definition at line 300 of file Descriptor.cpp.

References clang::interp::align(), CtorFn, DtorFn, getCtorArrayPrim(), getDtorArrayPrim(), IsArray, IsConst, IsMutable, IsTemporary, MaxArrayElemBytes, clang::interp::primSize(), PrimT, and true.

Descriptor() [3/7]

Descriptor::Descriptor	(	const DeclTy &	D,
		PrimType	Type,
		MetadataSize	MDSize,
		bool	IsConst,
		bool	IsTemporary,
		UnknownSize	)

Allocates a descriptor for an array of primitives of unknown size.

Primitive unknown-size arrays.

Definition at line 314 of file Descriptor.cpp.

References CtorFn, DtorFn, false, getCtorArrayPrim(), getDtorArrayPrim(), IsArray, IsConst, IsMutable, IsTemporary, clang::interp::primSize(), PrimT, and true.

Descriptor() [4/7]

Descriptor::Descriptor	(	const DeclTy &	D,
		const Type *	SourceTy,
		const Descriptor *	Elem,
		MetadataSize	MD,
		unsigned	NumElems,
		bool	IsConst,
		bool	IsTemporary,
		bool	IsMutable )

Allocates a descriptor for an array of composites.

Arrays of composite elements.

Definition at line 326 of file Descriptor.cpp.

References ctorArrayDesc(), CtorFn, Descriptor(), dtorArrayDesc(), DtorFn, ElemDesc, getAllocSize(), IsArray, IsConst, IsMutable, IsTemporary, max(), clang::nullptr, and true.

Descriptor() [5/7]

Descriptor::Descriptor	(	const DeclTy &	D,
		const Descriptor *	Elem,
		MetadataSize	MD,
		bool	IsTemporary,
		UnknownSize	)

Allocates a descriptor for an array of composites of unknown size.

Unknown-size arrays of composite elements.

Definition at line 341 of file Descriptor.cpp.

References ctorArrayDesc(), CtorFn, Descriptor(), dtorArrayDesc(), DtorFn, ElemDesc, false, getAllocSize(), IsArray, IsConst, IsMutable, IsTemporary, clang::nullptr, and true.

Descriptor() [6/7]

Descriptor::Descriptor	(	const DeclTy &	D,
		const Record *	R,
		MetadataSize	MD,
		bool	IsConst,
		bool	IsTemporary,
		bool	IsMutable,
		bool	IsVolatile )

Allocates a descriptor for a record.

Composite records.

Definition at line 352 of file Descriptor.cpp.

References CtorFn, ctorRecord(), DtorFn, dtorRecord(), ElemRecord, IsConst, IsMutable, IsTemporary, IsVolatile, max(), needsRecordDtor(), and clang::nullptr.

Descriptor() [7/7]

Descriptor::Descriptor	(	const DeclTy &	D,
		MetadataSize	MD = std::nullopt )

Allocates a dummy descriptor.

Dummy.

Definition at line 364 of file Descriptor.cpp.

References ElemRecord, false, IsConst, IsMutable, IsTemporary, clang::nullptr, and true.

Member Function Documentation

asDecl()

const Decl * clang::interp::Descriptor::asDecl ( ) const

inline

Definition at line 210 of file Descriptor.h.

Referenced by asFieldDecl(), asRecordDecl(), asValueDecl(), asVarDecl(), clang::interp::IntPointer::baseCast(), clang::interp::CheckLiteralType(), clang::interp::computePointerOffset(), clang::interp::Destroy(), dump(), getType(), clang::interp::interp__builtin_operator_delete(), clang::interp::Pointer::isField(), and clang::interp::Pointer::toAPValue().

asExpr()

const Expr * clang::interp::Descriptor::asExpr ( ) const

inline

Definition at line 211 of file Descriptor.h.

Referenced by clang::interp::DynamicAllocator::allocate(), clang::interp::DynamicAllocator::allocate(), clang::interp::CheckBCPResult(), CheckTemporary(), clang::interp::CheckVolatile(), clang::interp::CmpHelperEQ< Pointer >(), dump(), clang::interp::Program::dump(), clang::interp::Free(), getDataType(), getType(), clang::interp::InitGlobalTemp(), clang::interp::InitGlobalTempComp(), clang::interp::interp__builtin_assume_aligned(), clang::interp::interp__builtin_operator_delete(), clang::interp::Pointer::pointsToLiteral(), clang::interp::Pointer::pointsToStringLiteral(), and clang::interp::Pointer::toAPValue().

asFieldDecl()

const FieldDecl * clang::interp::Descriptor::asFieldDecl ( ) const

inline

Definition at line 222 of file Descriptor.h.

References asDecl().

Referenced by clang::interp::Pointer::toRValue().

asRecordDecl()

const RecordDecl * clang::interp::Descriptor::asRecordDecl ( ) const

inline

Definition at line 226 of file Descriptor.h.

References asDecl().

asValueDecl()

const ValueDecl * clang::interp::Descriptor::asValueDecl ( ) const

inline

Definition at line 214 of file Descriptor.h.

References asDecl().

Referenced by clang::interp::CheckDummy(), clang::interp::CheckExtern(), clang::interp::CheckGlobalLoad(), clang::interp::CheckLocalLoad(), clang::interp::CheckVolatile(), getType(), clang::interp::interp__builtin_assume_aligned(), clang::interp::interp__builtin_is_aligned_up_down(), clang::interp::isConstexprUnknown(), and clang::interp::Pointer::toAPValue().

asVarDecl()

const VarDecl * clang::interp::Descriptor::asVarDecl ( ) const

inline

Definition at line 218 of file Descriptor.h.

References asDecl().

Referenced by clang::interp::CheckConstant(), clang::interp::CheckExtern(), clang::interp::CheckWeak(), clang::interp::DiagnoseUninitialized(), and clang::interp::interp__builtin_is_within_lifetime().

dump() [1/2]

LLVM_DUMP_METHOD void Descriptor::dump

(

)

const

Definition at line 380 of file Disasm.cpp.

References dump().

Referenced by clang::interp::Program::dump().

dump() [2/2]

LLVM_DUMP_METHOD void Descriptor::dump

(

llvm::raw_ostream &

OS

)

const

Definition at line 385 of file Disasm.cpp.

References asDecl(), asExpr(), getPrimType(), isCompositeArray(), IsConstexprUnknown, isPrimitive(), isPrimitiveArray(), isRecord(), isUnion(), isUnknownSizeArray(), isZeroSizeArray(), and primTypeToString().

dumpFull()

LLVM_DUMP_METHOD void Descriptor::dumpFull	(	unsigned	Offset = 0,
		unsigned	Indent = 0 ) const

Dump descriptor, including all valid offsets.

Definition at line 417 of file Disasm.cpp.

References dump(), ElemDesc, ElemRecord, getAllocSize(), getMetadataSize(), getNumElems(), getSize(), clang::Indent(), isCompositeArray(), isPrimitive(), and isRecord().

getAllocSize()

unsigned clang::interp::Descriptor::getAllocSize ( ) const

inline

Returns the allocated size, including metadata.

Definition at line 242 of file Descriptor.h.

Referenced by clang::interp::DynamicAllocator::allocate(), clang::interp::Program::createDescriptor(), clang::interp::Program::createGlobalString(), clang::interp::ByteCodeEmitter::createLocal(), clang::interp::EvalEmitter::createLocal(), ctorArrayDesc(), Descriptor(), Descriptor(), dtorArrayDesc(), dumpFull(), clang::interp::Program::getOrCreateDummy(), and clang::interp::Program::getOrCreateRecord().

getDataType()

QualType Descriptor::getDataType

(

const ASTContext &

Ctx

)

const

Definition at line 414 of file Descriptor.cpp.

References asExpr(), clang::ASTContext::getConstantArrayType(), getNumElems(), getType(), clang::isa(), IsArray, and clang::Normal.

Referenced by clang::interp::CheckNewDeleteForms(), clang::interp::CheckNewTypeMismatch(), clang::interp::DoBitCast(), clang::interp::DoBitCastPtr(), and clang::interp::Pointer::toAPValue().

getElemQualType()

QualType Descriptor::getElemQualType

(

)

const

Definition at line 390 of file Descriptor.cpp.

References getType(), isArray(), isPrimitiveArray(), and clang::T.

Referenced by clang::interp::computeFullDescSize(), clang::interp::computePointerOffset(), clang::interp::convertBoolVectorToInt(), enumerateData(), clang::interp::getElemType(), clang::interp::interp__builtin_elementwise_abs(), clang::interp::interp__builtin_elementwise_countzeroes(), clang::interp::interp__builtin_elementwise_popcount(), clang::interp::interp__builtin_memchr(), clang::interp::interp__builtin_vector_reduce(), and clang::interp::Pointer::toAPValue().

getElemSize()

unsigned clang::interp::Descriptor::getElemSize ( ) const

inline

returns the size of an element when the structure is viewed as an array.

Definition at line 244 of file Descriptor.h.

Referenced by clang::interp::Pointer::elem(), clang::interp::Pointer::elemSize(), getNumElems(), and clang::interp::interp__builtin_strlen().

getLoc()

SourceInfo Descriptor::getLoc

(

)

const

Definition at line 446 of file Descriptor.cpp.

getLocation()

SourceLocation Descriptor::getLocation

(

)

const

Definition at line 438 of file Descriptor.cpp.

Referenced by clang::interp::CheckFieldsInitialized(), CheckTemporary(), clang::interp::Destroy(), and clang::interp::Pointer::getDeclLoc().

getMetadataSize()

unsigned clang::interp::Descriptor::getMetadataSize ( ) const

inline

Returns the size of the metadata.

Definition at line 246 of file Descriptor.h.

Referenced by clang::interp::DynamicAllocator::allocate(), clang::interp::DynamicAllocator::allocate(), clang::interp::CheckDowncast(), dumpFull(), and clang::interp::MemberPointer::toPointer().

getNumElems()

unsigned clang::interp::Descriptor::getNumElems ( ) const

inline

Returns the number of elements stored in the block.

Definition at line 249 of file Descriptor.h.

References getElemSize(), and getSize().

Referenced by clang::interp::collectBlocks(), clang::interp::computeFullDescSize(), clang::interp::copyComposite(), ctorArrayDesc(), ctorArrayTy(), dtorArrayDesc(), dtorArrayTy(), dumpFull(), enumerateData(), getDataType(), clang::interp::Pointer::initialize(), clang::interp::Pointer::initializeElement(), clang::interp::interp__builtin_elementwise_abs(), clang::interp::interp__builtin_elementwise_countzeroes(), clang::interp::interp__builtin_elementwise_popcount(), clang::interp::RunDestructors(), and clang::interp::zeroAll().

getPrimType()

PrimType clang::interp::Descriptor::getPrimType ( ) const

inline

Definition at line 236 of file Descriptor.h.

References isPrimitive(), isPrimitiveArray(), and PrimT.

Referenced by clang::interp::ArrayElem(), clang::interp::ArrayElemPop(), clang::interp::collectBlocks(), clang::interp::copyComposite(), dump(), clang::interp::Program::dump(), enumerateData(), clang::interp::Context::evaluateString(), clang::interp::Context::evaluateStrlen(), clang::interp::interp__builtin_select(), clang::interp::interp__builtin_x86_insert_subvector(), and clang::interp::zeroAll().

getSize()

unsigned clang::interp::Descriptor::getSize ( ) const

inline

Returns the size of the object without metadata.

Definition at line 231 of file Descriptor.h.

References isUnknownSizeArray().

Referenced by clang::interp::AllocCN(), dumpFull(), clang::interp::Pointer::elemSize(), getNumElems(), and clang::interp::Pointer::getSize().

getSource()

const DeclTy & clang::interp::Descriptor::getSource ( ) const

inline

Definition at line 212 of file Descriptor.h.

Referenced by clang::interp::Pointer::getSource().

getType()

QualType Descriptor::getType

(

)

const

Definition at line 371 of file Descriptor.cpp.

References asDecl(), asExpr(), asValueDecl(), ElemRecord, clang::Decl::getASTContext(), clang::ASTContext::getCanonicalTagType(), isRecord(), and clang::T.

Referenced by clang::interp::CallVirt(), clang::interp::computeFullDescSize(), enumerateData(), getDataType(), getElemQualType(), clang::interp::getElemType(), clang::interp::GetPtrDerivedPop(), clang::interp::Pointer::getType(), clang::interp::interp__builtin_memchr(), clang::interp::interp__builtin_object_size(), and clang::interp::Pointer::toAPValue().

hasTrivialDtor()

bool Descriptor::hasTrivialDtor

(

)

const

Whether variables of this descriptor need their destructor called or not.

Definition at line 454 of file Descriptor.cpp.

References ElemDesc, ElemRecord, isPrimitive(), isPrimitiveArray(), and isRecord().

Referenced by clang::interp::RunDestructors().

isArray()

bool clang::interp::Descriptor::isArray ( ) const

inline

Checks if the descriptor is of an array.

Definition at line 266 of file Descriptor.h.

References IsArray.

Referenced by clang::interp::computeFullDescSize(), clang::interp::finishGlobalRecurse(), getElemQualType(), clang::interp::getElemType(), clang::interp::interp__builtin_memchr(), clang::interp::interp__builtin_memcpy(), clang::interp::isUserWritingOffTheEnd(), and clang::interp::OffsetHelper().

isCompositeArray()

bool clang::interp::Descriptor::isCompositeArray ( ) const

inline

Checks if the descriptor is of an array of composites.

Definition at line 256 of file Descriptor.h.

References ElemDesc, and IsArray.

Referenced by clang::interp::DynamicAllocator::allocate(), clang::interp::collectBlocks(), clang::interp::copyComposite(), dump(), dumpFull(), clang::interp::endLifetimeRecurse(), enumerateData(), clang::interp::RunDestructors(), clang::interp::startLifetimeRecurse(), and clang::interp::zeroAll().

isPrimitive()

bool clang::interp::Descriptor::isPrimitive ( ) const

inline

Checks if the descriptor is of a primitive.

Definition at line 263 of file Descriptor.h.

References ElemRecord, IsArray, and PrimT.

Referenced by clang::interp::collectBlocks(), clang::interp::computeFullDescSize(), clang::interp::copyComposite(), dump(), clang::interp::Program::dump(), dumpFull(), enumerateData(), clang::interp::getElemType(), getPrimType(), hasTrivialDtor(), clang::interp::RunDestructors(), and clang::interp::zeroAll().

isPrimitiveArray()

bool clang::interp::Descriptor::isPrimitiveArray ( ) const

inline

Checks if the descriptor is of an array of primitives.

Definition at line 254 of file Descriptor.h.

References ElemDesc, and IsArray.

Referenced by clang::interp::collectBlocks(), clang::interp::convertBoolVectorToInt(), clang::interp::copyComposite(), dump(), enumerateData(), clang::interp::Context::evaluateString(), clang::interp::Context::evaluateStrlen(), getElemQualType(), getPrimType(), hasTrivialDtor(), clang::interp::Pointer::initialize(), clang::interp::Pointer::inPrimitiveArray(), clang::interp::interp__builtin_elementwise_abs(), clang::interp::interp__builtin_elementwise_countzeroes(), clang::interp::interp__builtin_elementwise_popcount(), clang::interp::interp__builtin_nan(), clang::interp::interp__builtin_strcmp(), clang::interp::interp__builtin_strlen(), clang::interp::interp__builtin_vector_reduce(), clang::interp::interp__builtin_x86_insert_subvector(), clang::interp::Pointer::isElementInitialized(), clang::interp::Pointer::isInitialized(), clang::interp::RunDestructors(), and clang::interp::zeroAll().

isRecord()

bool clang::interp::Descriptor::isRecord ( ) const

inline

Checks if the descriptor is of a record.

Definition at line 268 of file Descriptor.h.

References ElemRecord, and IsArray.

Referenced by clang::interp::computeFullDescSize(), clang::interp::copyComposite(), clang::interp::copyRecord(), dump(), dumpFull(), enumerateData(), getType(), hasTrivialDtor(), isUnion(), clang::interp::RunDestructors(), clang::interp::runRecordDestructor(), and clang::interp::zeroAll().

isUnion()

bool Descriptor::isUnion

(

)

const

Checks if the descriptor is of a union.

Definition at line 469 of file Descriptor.cpp.

References ElemRecord, and isRecord().

Referenced by ctorRecord(), dump(), and initField().

isUnknownSizeArray()

bool clang::interp::Descriptor::isUnknownSizeArray ( ) const

inline

Checks if the descriptor is of an array of unknown size.

Definition at line 260 of file Descriptor.h.

Referenced by dump(), getSize(), and clang::interp::Pointer::isUnknownSizeArray().

isZeroSizeArray()

bool clang::interp::Descriptor::isZeroSizeArray ( ) const

inline

Checks if the descriptor is of an array of zero size.

Definition at line 258 of file Descriptor.h.

Referenced by dump().

Member Data Documentation

CtorFn

const BlockCtorFn clang::interp::Descriptor::CtorFn = nullptr

Storage management methods.

Definition at line 172 of file Descriptor.h.

Referenced by ctorArrayDesc(), Descriptor(), Descriptor(), Descriptor(), Descriptor(), Descriptor(), Descriptor(), and initField().

DtorFn

const BlockDtorFn clang::interp::Descriptor::DtorFn = nullptr

Definition at line 173 of file Descriptor.h.

Referenced by Descriptor(), Descriptor(), Descriptor(), Descriptor(), Descriptor(), Descriptor(), destroyField(), and dtorArrayDesc().

ElemDesc

const Descriptor* const clang::interp::Descriptor::ElemDesc = nullptr

Descriptor of the array element.

Definition at line 155 of file Descriptor.h.

Referenced by ctorArrayDesc(), Descriptor(), Descriptor(), dtorArrayDesc(), dumpFull(), clang::interp::Pointer::getElemRecord(), hasTrivialDtor(), isCompositeArray(), isPrimitiveArray(), and clang::interp::RunDestructors().

ElemRecord

const Record* const clang::interp::Descriptor::ElemRecord = nullptr

Pointer to the record, if block contains records.

Definition at line 153 of file Descriptor.h.

Referenced by clang::interp::checkConstructor(), clang::interp::collectBlocks(), clang::interp::computeFullDescSize(), clang::interp::copyRecord(), ctorRecord(), Descriptor(), Descriptor(), destroyBase(), dtorRecord(), dumpFull(), enumerateData(), clang::interp::Pointer::getElemRecord(), clang::interp::Pointer::getRecord(), getType(), hasTrivialDtor(), initBase(), isPrimitive(), isRecord(), isUnion(), clang::interp::runRecordDestructor(), and clang::interp::zeroAll().

GlobalMD

MetadataSize clang::interp::Descriptor::GlobalMD = sizeof(GlobalInlineDescriptor)

staticconstexpr

Definition at line 145 of file Descriptor.h.

Referenced by clang::interp::Program::createGlobalString().

InlineDescMD

MetadataSize clang::interp::Descriptor::InlineDescMD = sizeof(InlineDescriptor)

staticconstexpr

Definition at line 144 of file Descriptor.h.

Referenced by clang::interp::DynamicAllocator::allocate(), clang::interp::DynamicAllocator::allocate(), clang::interp::Compiler< Emitter >::allocateLocal(), clang::interp::Compiler< Emitter >::allocateLocalPrimitive(), clang::interp::Compiler< Emitter >::allocateTemporary(), clang::interp::interp__builtin_operator_new(), clang::interp::Compiler< Emitter >::VisitCastExpr(), and clang::interp::Compiler< Emitter >::VisitCXXNewExpr().

IsArray

const bool clang::interp::Descriptor::IsArray = false

Flag indicating if the block is an array.

Definition at line 168 of file Descriptor.h.

Referenced by Descriptor(), Descriptor(), Descriptor(), Descriptor(), clang::interp::Pointer::expand(), getDataType(), clang::interp::Pointer::hasSameArray(), clang::interp::Pointer::inArray(), initBase(), initField(), isArray(), isCompositeArray(), isPrimitive(), isPrimitiveArray(), and isRecord().

IsConst

const bool clang::interp::Descriptor::IsConst = false

Flag indicating if the block is mutable.

Definition at line 161 of file Descriptor.h.

Referenced by clang::interp::DynamicAllocator::allocate(), ctorArrayDesc(), Descriptor(), Descriptor(), Descriptor(), Descriptor(), Descriptor(), Descriptor(), Descriptor(), initBase(), initField(), and clang::interp::Pointer::isConst().

IsConstexprUnknown

bool clang::interp::Descriptor::IsConstexprUnknown = false

Definition at line 169 of file Descriptor.h.

Referenced by clang::interp::Compiler< Emitter >::allocateLocal(), clang::interp::Compiler< Emitter >::allocateLocalPrimitive(), dump(), and clang::interp::isConstexprUnknown().

IsMutable

const bool clang::interp::Descriptor::IsMutable = false

Flag indicating if a field is mutable.

Definition at line 163 of file Descriptor.h.

Referenced by ctorArrayDesc(), Descriptor(), Descriptor(), Descriptor(), Descriptor(), Descriptor(), Descriptor(), Descriptor(), initBase(), and initField().

IsTemporary

const bool clang::interp::Descriptor::IsTemporary = false

Flag indicating if the block is a temporary.

Definition at line 165 of file Descriptor.h.

Referenced by Descriptor(), Descriptor(), Descriptor(), Descriptor(), Descriptor(), Descriptor(), Descriptor(), and clang::interp::Program::dump().

IsVolatile

const bool clang::interp::Descriptor::IsVolatile = false

Definition at line 166 of file Descriptor.h.

Referenced by clang::interp::CheckGlobalLoad(), clang::interp::CheckLocalLoad(), Descriptor(), Descriptor(), initField(), and clang::interp::Pointer::isVolatile().

MaxArrayElemBytes

unsigned clang::interp::Descriptor::MaxArrayElemBytes

staticconstexpr

Initial value:

=
      std::numeric_limits<decltype(AllocSize)>::max() - sizeof(InitMapPtr) -
      align(std::max(*InlineDescMD, *GlobalMD))

Maximum number of bytes to be used for array elements.

Definition at line 148 of file Descriptor.h.

Referenced by clang::interp::CheckArraySize(), Descriptor(), and clang::interp::interp__builtin_operator_new().

PrimT

const OptPrimType clang::interp::Descriptor::PrimT = std::nullopt

The primitive type this descriptor was created for, or the primitive element type in case this is a primitive array.

Definition at line 159 of file Descriptor.h.

Referenced by Descriptor(), Descriptor(), Descriptor(), getPrimType(), and isPrimitive().

---

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

• lib/AST/ByteCode/Descriptor.h
• lib/AST/ByteCode/Descriptor.cpp
• lib/AST/ByteCode/Disasm.cpp