A memory block, either on the stack or in the heap. More...

#include "/opt/doxygen-docs/src/llvm/tools/clang/lib/AST/Interp/Block.h"

Collaboration diagram for clang::interp::Block:

[legend]

Public Member Functions
	Block (const llvm::Optional< unsigned > &DeclID, Descriptor *Desc, bool IsStatic=false, bool IsExtern=false)

	Block (Descriptor *Desc, bool IsStatic=false, bool IsExtern=false)

Descriptor *	getDescriptor () const
	Returns the block's descriptor. More...

bool	hasPointers () const
	Checks if the block has any live pointers. More...

bool	isExtern () const
	Checks if the block is extern. More...

bool	isStatic () const
	Checks if the block has static storage duration. More...

bool	isTemporary () const
	Checks if the block is temporary. More...

InterpSize	getSize () const
	Returns the size of the block. More...

llvm::Optional< unsigned >	getDeclID () const
	Returns the declaration ID. More...

char *	data ()
	Returns a pointer to the stored data. More...

template<typename T >
T &	deref ()
	Returns a view over the data. More...

void	invokeCtor ()
	Invokes the constructor. More...

Protected Member Functions
	Block (Descriptor *Desc, bool IsExtern, bool IsStatic, bool IsDead)

void	cleanup ()

void	addPointer (Pointer *P)

void	removePointer (Pointer *P)

void	movePointer (Pointer From, Pointer To)

Protected Attributes
Pointer *	Pointers = nullptr
	Start of the chain of pointers. More...

llvm::Optional< unsigned >	DeclID
	Unique identifier of the declaration. More...

bool	IsStatic = false
	Flag indicating if the block has static storage duration. More...

bool	IsExtern = false
	Flag indicating if the block is an extern. More...

bool	IsDead = false
	Flag indicating if the pointer is dead. More...

Descriptor *	Desc
	Pointer to the stack slot descriptor. More...

Friends
class	Pointer

class	DeadBlock

class	InterpState

Detailed Description

A memory block, either on the stack or in the heap.

The storage described by the block immediately follows it in memory.

Definition at line 37 of file Block.h.

Constructor & Destructor Documentation

◆ Block() [1/3]

clang::interp::Block::Block	(	const llvm::Optional< unsigned > &	DeclID,
		Descriptor *	Desc,
		bool	IsStatic = `false`,
		bool	IsExtern = `false`
	)

inline

Definition at line 40 of file Block.h.

◆ Block() [2/3]

clang::interp::Block::Block	(	Descriptor *	Desc,
		bool	IsStatic = `false`,
		bool	IsExtern = `false`
	)

inline

Definition at line 44 of file Block.h.

◆ Block() [3/3]

clang::interp::Block::Block	(	Descriptor *	Desc,
		bool	IsExtern,
		bool	IsStatic,
		bool	IsDead
	)

inlineprotected

Definition at line 83 of file Block.h.

References addPointer(), cleanup(), movePointer(), P, and removePointer().

Member Function Documentation

◆ addPointer()

void Block::addPointer ( Pointer * P )

protected

Definition at line 21 of file Block.cpp.

References IsStatic, P, and Pointers.

Referenced by Block(), clang::interp::Pointer::operator=(), and clang::interp::Pointer::Pointer().

◆ cleanup()

void Block::cleanup ( )

protected

Definition at line 42 of file Block.cpp.

References IsDead, and Pointers.

Referenced by Block(), clang::interp::Pointer::operator=(), and clang::interp::Pointer::~Pointer().

◆ data()

char* clang::interp::Block::data ( )

inline

Returns a pointer to the stored data.

Definition at line 64 of file Block.h.

Referenced by clang::interp::InterpState::deallocate(), deref(), clang::interp::Pointer::deref(), clang::interp::Pointer::elem(), and invokeCtor().

◆ deref()

template<typename T >

T& clang::interp::Block::deref ( )

inline

Returns a view over the data.

Definition at line 68 of file Block.h.

References data().

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

◆ getDeclID()

llvm::Optional<unsigned> clang::interp::Block::getDeclID ( ) const

inline

Returns the declaration ID.

Definition at line 61 of file Block.h.

References DeclID.

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

◆ getDescriptor()

Descriptor* clang::interp::Block::getDescriptor ( ) const

inline

Returns the block's descriptor.

Definition at line 49 of file Block.h.

References Desc.

Referenced by clang::interp::InterpState::deallocate().

◆ getSize()

InterpSize clang::interp::Block::getSize ( ) const

inline

Returns the size of the block.

Definition at line 59 of file Block.h.

References Desc, and clang::interp::Descriptor::getAllocSize().

Referenced by clang::interp::InterpState::deallocate(), invokeCtor(), and clang::interp::Pointer::print().

◆ hasPointers()

bool clang::interp::Block::hasPointers ( ) const

inline

Checks if the block has any live pointers.

Definition at line 51 of file Block.h.

References Pointers.

Referenced by clang::interp::InterpState::deallocate().

◆ invokeCtor()

void clang::interp::Block::invokeCtor ( )

inline

Invokes the constructor.

Definition at line 71 of file Block.h.

References clang::interp::Descriptor::CtorFn, data(), Desc, getSize(), clang::interp::Descriptor::IsConst, clang::interp::Descriptor::IsMutable, and memset().

Referenced by clang::interp::EvalEmitter::createLocal().

◆ isExtern()

bool clang::interp::Block::isExtern ( ) const

inline

Checks if the block is extern.

Definition at line 53 of file Block.h.

References IsExtern.

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

◆ isStatic()

bool clang::interp::Block::isStatic ( ) const

inline

Checks if the block has static storage duration.

Definition at line 55 of file Block.h.

References IsStatic.

Referenced by ctorRecord(), and clang::interp::Pointer::isStatic().

◆ isTemporary()

bool clang::interp::Block::isTemporary ( ) const

inline

Checks if the block is temporary.

Definition at line 57 of file Block.h.

References Desc, and clang::interp::Descriptor::IsTemporary.

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

◆ movePointer()

void Block::movePointer	(	Pointer *	From,
		Pointer *	To
	)

protected

Definition at line 47 of file Block.cpp.

References IsStatic, and Pointers.

Referenced by Block(), clang::interp::Pointer::operator=(), and clang::interp::Pointer::Pointer().

◆ removePointer()

void Block::removePointer ( Pointer * P )

protected

Definition at line 31 of file Block.cpp.

References IsStatic, and Pointers.

Referenced by Block(), clang::interp::Pointer::operator=(), and clang::interp::Pointer::~Pointer().

Friends And Related Function Documentation

◆ DeadBlock

friend class DeadBlock

friend

Definition at line 80 of file Block.h.

◆ InterpState

friend class InterpState

friend

Definition at line 81 of file Block.h.

◆ Pointer

friend class Pointer

friend

Definition at line 79 of file Block.h.

Member Data Documentation

◆ DeclID

llvm::Optional<unsigned> clang::interp::Block::DeclID

protected

Unique identifier of the declaration.

Definition at line 97 of file Block.h.

Referenced by getDeclID().

◆ Desc

Descriptor* clang::interp::Block::Desc

protected

Pointer to the stack slot descriptor.

Definition at line 105 of file Block.h.

Referenced by ctorRecord(), clang::interp::Pointer::getDeclDesc(), getDescriptor(), getSize(), invokeCtor(), and isTemporary().

◆ IsDead

bool clang::interp::Block::IsDead = false

protected

Flag indicating if the pointer is dead.

Definition at line 103 of file Block.h.

Referenced by cleanup(), and clang::interp::Pointer::isLive().

◆ IsExtern

bool clang::interp::Block::IsExtern = false

protected

Flag indicating if the block is an extern.

Definition at line 101 of file Block.h.

Referenced by isExtern().

◆ IsStatic

bool clang::interp::Block::IsStatic = false

protected

Flag indicating if the block has static storage duration.

Definition at line 99 of file Block.h.

Referenced by addPointer(), clang::interp::Pointer::initialize(), clang::interp::Pointer::isInitialized(), isStatic(), movePointer(), and removePointer().

◆ Pointers

Pointer* clang::interp::Block::Pointers = nullptr

protected

Start of the chain of pointers.

Definition at line 95 of file Block.h.

Referenced by addPointer(), cleanup(), clang::interp::DeadBlock::DeadBlock(), hasPointers(), movePointer(), and removePointer().

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

lib/AST/Interp/Block.h
lib/AST/Interp/Block.cpp

Public Member Functions

Protected Member Functions

Protected Attributes

Friends

Detailed Description

Constructor & Destructor Documentation

◆ Block() [1/3]

◆ Block() [2/3]

◆ Block() [3/3]

Member Function Documentation

◆ addPointer()

◆ cleanup()

◆ data()

◆ deref()

◆ getDeclID()

◆ getDescriptor()

◆ getSize()

◆ hasPointers()

◆ invokeCtor()

◆ isExtern()

◆ isStatic()

◆ isTemporary()

◆ movePointer()

◆ removePointer()

Friends And Related Function Documentation

◆ DeadBlock

◆ InterpState

◆ Pointer

Member Data Documentation

◆ DeclID

◆ Desc

◆ IsDead

◆ IsExtern

◆ IsStatic

◆ Pointers