#include <raw_object.h>

Inheritance diagram for dart::UntaggedAbstractType:

Public Types
enum	TypeState { kAllocated , kFinalizedInstantiated , kFinalizedUninstantiated }

using	NullabilityBits = BitField< uint32_t, uint8_t, 0, 2 >

using	TypeStateBits = BitField< uint32_t, uint8_t, kTypeStateShift, kTypeStateBits >

Public Types inherited from dart::UntaggedObject
enum	TagBits { kCardRememberedBit = 0 , kCanonicalBit = 1 , kNotMarkedBit = 2 , kNewBit = 3 , kAlwaysSetBit = 4 , kOldAndNotRememberedBit = 5 , kImmutableBit = 6 , kReservedBit = 7 , kSizeTagPos = kReservedBit + 1 , kSizeTagSize = 4 , kClassIdTagPos = kSizeTagPos + kSizeTagSize , kClassIdTagSize = 20 , kHashTagPos = kClassIdTagPos + kClassIdTagSize , kHashTagSize = 32 }

Static Public Attributes
static constexpr intptr_t	kNullabilityMask = NullabilityBits::mask()

static constexpr intptr_t	kTypeStateShift = NullabilityBits::kNextBit

static constexpr intptr_t	kTypeStateBits = 2

Static Public Attributes inherited from dart::UntaggedInstance
static constexpr bool	kContainsCompressedPointers = false

Static Public Attributes inherited from dart::UntaggedObject
static constexpr intptr_t	kGenerationalBarrierMask = 1 << kNewBit

static constexpr intptr_t	kIncrementalBarrierMask = 1 << kNotMarkedBit

static constexpr intptr_t	kBarrierOverlapShift = 2

Protected Member Functions
uint32_t	flags () const

void	set_flags (uint32_t value)

Protected Member Functions inherited from dart::UntaggedObject
template<typename type , std::memory_order order = std::memory_order_relaxed>
type	LoadPointer (type const *addr) const

template<typename type , typename compressed_type , std::memory_order order = std::memory_order_relaxed>
type	LoadCompressedPointer (compressed_type const *addr) const

uword	heap_base () const

template<typename type , std::memory_order order = std::memory_order_relaxed>
void	StorePointer (type const *addr, type value)

template<typename type , typename compressed_type , std::memory_order order = std::memory_order_relaxed>
void	StoreCompressedPointer (compressed_type const *addr, type value)

template<typename type >
void	StorePointer (type const addr, type value, Thread thread)

template<typename type , typename compressed_type >
void	StoreCompressedPointer (compressed_type const addr, type value, Thread thread)

template<typename type >
void	StorePointerUnaligned (type const addr, type value, Thread thread)

template<typename type , std::memory_order order = std::memory_order_relaxed, typename value_type = type>
void	StoreArrayPointer (type const *addr, value_type value)

template<typename type , typename value_type = type>
void	StoreArrayPointer (type const addr, value_type value, Thread thread)

template<typename type , typename compressed_type , std::memory_order order>
void	StoreCompressedArrayPointer (compressed_type const *addr, type value)

template<typename type , typename compressed_type , std::memory_order order>
void	StoreCompressedArrayPointer (compressed_type const addr, type value, Thread thread)

template<typename type , typename compressed_type >
void	StoreCompressedArrayPointer (compressed_type const addr, type value, Thread thread)

template<typename type , typename compressed_type , std::memory_order order = std::memory_order_relaxed>
type	ExchangeCompressedPointer (compressed_type const *addr, type value)

template<std::memory_order order = std::memory_order_relaxed>
SmiPtr	LoadSmi (SmiPtr const *addr) const

template<std::memory_order order = std::memory_order_relaxed>
SmiPtr	LoadCompressedSmi (CompressedSmiPtr const *addr) const

template<typename type , std::memory_order order = std::memory_order_relaxed>
void	StoreSmi (type const *addr, type value)

template<std::memory_order order = std::memory_order_relaxed>
void	StoreCompressedSmi (CompressedSmiPtr const *addr, SmiPtr value)

Protected Attributes
std::atomic< uword >	type_test_stub_entry_point_

std::atomic< uint32_t >	flags_

Friends
class	ObjectStore

class	StubCode

Additional Inherited Members
Public Member Functions inherited from dart::UntaggedObject
	COMPILE_ASSERT (kNotMarkedBit+kBarrierOverlapShift==kAlwaysSetBit)

	COMPILE_ASSERT (kNewBit+kBarrierOverlapShift==kOldAndNotRememberedBit)

	COMPILE_ASSERT (kCardRememberedBit==0)

	COMPILE_ASSERT (kBitsPerByte *sizeof(ClassIdTagType) >=kClassIdTagSize)

	COMPILE_ASSERT (kClassIdTagMax==(1<< kClassIdTagSize) - 1)

bool	IsNewObject () const

bool	IsOldObject () const

uword	tags () const

bool	IsMarked () const

bool	IsMarkedIgnoreRace () const

void	SetMarkBit ()

void	SetMarkBitUnsynchronized ()

void	SetMarkBitRelease ()

void	ClearMarkBit ()

void	ClearMarkBitUnsynchronized ()

DART_WARN_UNUSED_RESULT bool	TryAcquireMarkBit ()

bool	IsCanonical () const

void	SetCanonical ()

void	ClearCanonical ()

bool	IsImmutable () const

void	SetImmutable ()

void	ClearImmutable ()

bool	InVMIsolateHeap () const

bool	IsRemembered () const

bool	TryAcquireRememberedBit ()

void	ClearRememberedBit ()

void	ClearRememberedBitUnsynchronized ()

DART_FORCE_INLINE void	EnsureInRememberedSet (Thread *thread)

bool	IsCardRemembered () const

void	SetCardRememberedBitUnsynchronized ()

intptr_t	GetClassId () const

intptr_t	HeapSize () const

intptr_t	HeapSize (uword tags) const

bool	Contains (uword addr) const

void	Validate (IsolateGroup *isolate_group) const

intptr_t	VisitPointers (ObjectPointerVisitor *visitor)

template<class V >
DART_FORCE_INLINE intptr_t	VisitPointersNonvirtual (V *visitor)

void	VisitPointersPrecise (ObjectPointerVisitor *visitor)

Static Public Member Functions inherited from dart::UntaggedObject
static bool	IsMarked (uword tags)

static ObjectPtr	FromAddr (uword addr)

static uword	ToAddr (const UntaggedObject *raw_obj)

static uword	ToAddr (const ObjectPtr raw_obj)

static bool	IsCanonical (intptr_t value)

Static Protected Member Functions inherited from dart::UntaggedObject
template<typename T >
static DART_FORCE_INLINE uword	from_offset ()

template<typename T >
static DART_FORCE_INLINE uword	to_offset (intptr_t length=0)

template<>
DART_FORCE_INLINE uword	from_offset ()

template<>
DART_FORCE_INLINE uword	to_offset (intptr_t length)

template<>
DART_FORCE_INLINE uword	to_offset (intptr_t length)

template<>
DART_FORCE_INLINE uword	to_offset (intptr_t length)

Static Protected Attributes inherited from dart::UntaggedObject
static constexpr bool	kContainsCompressedPointers = false

static constexpr bool	kContainsPointerFields = false

Detailed Description

Definition at line 2740 of file raw_object.h.

Member Typedef Documentation

◆ NullabilityBits

using dart::UntaggedAbstractType::NullabilityBits = BitField<uint32_t, uint8_t, 0, 2>

Definition at line 2765 of file raw_object.h.

◆ TypeStateBits

using dart::UntaggedAbstractType::TypeStateBits = BitField<uint32_t, uint8_t, kTypeStateShift, kTypeStateBits>

Definition at line 2770 of file raw_object.h.

Member Enumeration Documentation

◆ TypeState

enum dart::UntaggedAbstractType::TypeState

Enumerator
kAllocated
kFinalizedInstantiated
kFinalizedUninstantiated

Definition at line 2759 of file raw_object.h.

                 {
    kAllocated,                // Initial state.
    kFinalizedInstantiated,    // Instantiated type ready for use.
    kFinalizedUninstantiated,  // Uninstantiated type ready for use.
  };

Member Function Documentation

◆ flags()

uint32_t dart::UntaggedAbstractType::flags ( ) const

inlineprotected

Definition at line 2753 of file raw_object.h.

2753{ return flags_.load(std::memory_order_relaxed); }

dart::UntaggedAbstractType::flags_

std::atomic< uint32_t > flags_

Definition raw_object.h:2745

◆ set_flags()

void dart::UntaggedAbstractType::set_flags ( uint32_t value )

inlineprotected

Definition at line 2754 of file raw_object.h.

                                 {
    flags_.store(value, std::memory_order_relaxed);
  }

Friends And Related Symbol Documentation

◆ ObjectStore

friend class ObjectStore

friend

Definition at line 2776 of file raw_object.h.

◆ StubCode

friend class StubCode

friend

Definition at line 2777 of file raw_object.h.

Member Data Documentation

◆ flags_

std::atomic<uint32_t> dart::UntaggedAbstractType::flags_

protected

Definition at line 2745 of file raw_object.h.

◆ kNullabilityMask

constexpr intptr_t dart::UntaggedAbstractType::kNullabilityMask = NullabilityBits::mask()

staticconstexpr

Definition at line 2766 of file raw_object.h.

◆ kTypeStateBits

constexpr intptr_t dart::UntaggedAbstractType::kTypeStateBits = 2

staticconstexpr

Definition at line 2769 of file raw_object.h.

◆ kTypeStateShift

constexpr intptr_t dart::UntaggedAbstractType::kTypeStateShift = NullabilityBits::kNextBit

staticconstexpr

Definition at line 2768 of file raw_object.h.

◆ type_test_stub_entry_point_

std::atomic<uword> dart::UntaggedAbstractType::type_test_stub_entry_point_

protected

Definition at line 2743 of file raw_object.h.

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

third_party/dart-lang/sdk/runtime/vm/raw_object.h

Public Types

Static Public Attributes

Protected Member Functions

Protected Attributes

Friends

Additional Inherited Members

Detailed Description

Member Typedef Documentation

◆ NullabilityBits

◆ TypeStateBits

Member Enumeration Documentation

◆ TypeState

Member Function Documentation

◆ flags()

◆ set_flags()

Friends And Related Symbol Documentation

◆ ObjectStore

◆ StubCode

Member Data Documentation

◆ flags_

◆ kNullabilityMask

◆ kTypeStateBits

◆ kTypeStateShift

◆ type_test_stub_entry_point_