struct Descriptor

Declaration

struct Descriptor { /* full declaration omitted */ };

Description

Describes a memory block created by an allocation site.

Declared at: clang/lib/AST/Interp/Descriptor.h:51

Member Variables

private const clang::interp::DeclTy Source

Original declaration, used to emit the error message.

private const clang::interp::InterpSize ElemSize

Size of an element, in host bytes.

private const clang::interp::InterpSize Size

Size of the storage, in host bytes.

private const clang::interp::InterpSize AllocSize

Size of the allocation (storage + metadata), in host bytes.

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

Pointer to the record, if block contains records.

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

Descriptor of the array element.

public const bool IsConst = false

Flag indicating if the block is mutable.

public const bool IsMutable = false

Flag indicating if a field is mutable.

public const bool IsTemporary = false

Flag indicating if the block is a temporary.

public const bool IsArray = false

Flag indicating if the block is an array.

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

Storage management methods.

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

public const clang::interp::BlockMoveFn MoveFn = nullptr

private static const unsigned int UnknownSizeMark = (unsigned int)-1

Value to denote arrays of unknown size.

Method Overview

• public Descriptor(const clang::interp::DeclTy & D, clang::interp::PrimType Type, size_t NumElems, bool IsConst, bool IsTemporary, bool IsMutable)
• public Descriptor(const clang::interp::DeclTy & D, clang::interp::PrimType Type, bool IsTemporary, clang::interp::Descriptor::UnknownSize)
• public Descriptor(const clang::interp::DeclTy & D, clang::interp::Descriptor * Elem, unsigned int NumElems, bool IsConst, bool IsTemporary, bool IsMutable)
• public Descriptor(const clang::interp::DeclTy & D, clang::interp::Descriptor * Elem, bool IsTemporary, clang::interp::Descriptor::UnknownSize)
• public Descriptor(const clang::interp::DeclTy & D, clang::interp::Record * R, bool IsConst, bool IsTemporary, bool IsMutable)
• public Descriptor(const clang::interp::DeclTy & D, clang::interp::PrimType Type, bool IsConst, bool IsTemporary, bool IsMutable)
• public const clang::Decl * asDecl() const
• public const clang::Expr * asExpr() const
• public const clang::FieldDecl * asFieldDecl() const
• public const clang::RecordDecl * asRecordDecl() const
• public const clang::ValueDecl * asValueDecl() const
• public unsigned int getAllocSize() const
• public unsigned int getElemSize() const
• public clang::SourceLocation getLocation() const
• public unsigned int getNumElems() const
• public unsigned int getSize() const
• public clang::QualType getType() const
• public bool isArray() const
• public bool isPrimitive() const
• public bool isPrimitiveArray() const
• public bool isUnknownSizeArray() const
• public bool isZeroSizeArray() const

Methods

¶Descriptor(const clang::interp::DeclTy& D,
           clang::interp::PrimType Type,
           size_t NumElems,
           bool IsConst,
           bool IsTemporary,
           bool IsMutable)

Description

Allocates a descriptor for an array of primitives.

Declared at: clang/lib/AST/Interp/Descriptor.h:92

Parameters

const clang::interp::DeclTy& D

clang::interp::PrimType Type

size_t NumElems

bool IsConst

bool IsTemporary

bool IsMutable

¶Descriptor(const clang::interp::DeclTy& D,
           clang::interp::PrimType Type,
           bool IsTemporary,
           clang::interp::Descriptor::UnknownSize)

Description

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

Declared at: clang/lib/AST/Interp/Descriptor.h:96

Parameters

const clang::interp::DeclTy& D

clang::interp::PrimType Type

bool IsTemporary

clang::interp::Descriptor::UnknownSize

¶Descriptor(const clang::interp::DeclTy& D,
           clang::interp::Descriptor* Elem,
           unsigned int NumElems,
           bool IsConst,
           bool IsTemporary,
           bool IsMutable)

Description

Allocates a descriptor for an array of composites.

Declared at: clang/lib/AST/Interp/Descriptor.h:99

Parameters

const clang::interp::DeclTy& D

clang::interp::Descriptor* Elem

unsigned int NumElems

bool IsConst

bool IsTemporary

bool IsMutable

¶Descriptor(const clang::interp::DeclTy& D,
           clang::interp::Descriptor* Elem,
           bool IsTemporary,
           clang::interp::Descriptor::UnknownSize)

Description

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

Declared at: clang/lib/AST/Interp/Descriptor.h:103

Parameters

const clang::interp::DeclTy& D

clang::interp::Descriptor* Elem

bool IsTemporary

clang::interp::Descriptor::UnknownSize

¶Descriptor(const clang::interp::DeclTy& D,
           clang::interp::Record* R,
           bool IsConst,
           bool IsTemporary,
           bool IsMutable)

Description

Allocates a descriptor for a record.

Declared at: clang/lib/AST/Interp/Descriptor.h:106

Parameters

const clang::interp::DeclTy& D

clang::interp::Record* R

bool IsConst

bool IsTemporary

bool IsMutable

¶Descriptor(const clang::interp::DeclTy& D,
           clang::interp::PrimType Type,
           bool IsConst,
           bool IsTemporary,
           bool IsMutable)

Description

Allocates a descriptor for a primitive.

Declared at: clang/lib/AST/Interp/Descriptor.h:88

Parameters

const clang::interp::DeclTy& D

clang::interp::PrimType Type

bool IsConst

bool IsTemporary

bool IsMutable

¶const clang::Decl* asDecl() const

Declared at: clang/lib/AST/Interp/Descriptor.h:112

¶const clang::Expr* asExpr() const

Declared at: clang/lib/AST/Interp/Descriptor.h:113

¶const clang::FieldDecl* asFieldDecl() const

Declared at: clang/lib/AST/Interp/Descriptor.h:119

¶const clang::RecordDecl* asRecordDecl() const

Declared at: clang/lib/AST/Interp/Descriptor.h:123

¶const clang::ValueDecl* asValueDecl() const

Declared at: clang/lib/AST/Interp/Descriptor.h:115

¶unsigned int getAllocSize() const

Description

Returns the allocated size, including metadata.

Declared at: clang/lib/AST/Interp/Descriptor.h:134

¶unsigned int getElemSize() const

Description

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

Declared at: clang/lib/AST/Interp/Descriptor.h:136

¶clang::SourceLocation getLocation() const

Declared at: clang/lib/AST/Interp/Descriptor.h:110

¶unsigned int getNumElems() const

Description

Returns the number of elements stored in the block.

Declared at: clang/lib/AST/Interp/Descriptor.h:139

¶unsigned int getSize() const

Description

Returns the size of the object without metadata.

Declared at: clang/lib/AST/Interp/Descriptor.h:128

¶clang::QualType getType() const

Declared at: clang/lib/AST/Interp/Descriptor.h:109

¶bool isArray() const

Description

Checks if the descriptor is of an array.

Declared at: clang/lib/AST/Interp/Descriptor.h:154

¶bool isPrimitive() const

Description

Checks if the descriptor is of a primitive.

Declared at: clang/lib/AST/Interp/Descriptor.h:151

¶bool isPrimitiveArray() const

Description

Checks if the descriptor is of an array of primitives.

Declared at: clang/lib/AST/Interp/Descriptor.h:144

¶bool isUnknownSizeArray() const

Description

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

Declared at: clang/lib/AST/Interp/Descriptor.h:148

¶bool isZeroSizeArray() const

Description

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

Declared at: clang/lib/AST/Interp/Descriptor.h:146