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TransitionArray Class Reference

#include <transitions.h>

Inheritance diagram for TransitionArray:
Collaboration diagram for TransitionArray:

Public Member Functions

StringGetKey (int transition_number)
 
void SetKey (int transition_number, String *value)
 
Object ** GetKeySlot (int transition_number)
 
int GetSortedKeyIndex (int transition_number)
 
StringGetSortedKey (int transition_number)
 
MapGetTarget (int transition_number)
 
void SetTarget (int transition_number, Map *target)
 
PropertyDetails GetTargetDetails (int transition_number)
 
Mapelements_transition ()
 
void set_elements_transition (Map *target, WriteBarrierMode mode=UPDATE_WRITE_BARRIER)
 
bool HasElementsTransition ()
 
void ClearElementsTransition ()
 
Objectback_pointer_storage ()
 
void set_back_pointer_storage (Object *back_pointer, WriteBarrierMode mode=UPDATE_WRITE_BARRIER)
 
FixedArrayGetPrototypeTransitions ()
 
void SetPrototypeTransitions (FixedArray *prototype_transitions, WriteBarrierMode mode=UPDATE_WRITE_BARRIER)
 
Object ** GetPrototypeTransitionsSlot ()
 
bool HasPrototypeTransitions ()
 
HeapObjectUncheckedPrototypeTransitions ()
 
int number_of_transitions ()
 
int number_of_entries ()
 
MUST_USE_RESULT MaybeObject * ExtendToFullTransitionArray ()
 
MUST_USE_RESULT MaybeObject * CopyInsert (String *name, Map *target)
 
void NoIncrementalWriteBarrierCopyFrom (TransitionArray *origin, int origin_transition, int target_transition)
 
int Search (String *name)
 
bool IsSimpleTransition ()
 
bool IsFullTransitionArray ()
 
 STATIC_ASSERT (kSimpleTransitionIndex!=kNotFound)
 
- Public Member Functions inherited from FixedArray
Objectget (int index)
 
void set (int index, Object *value)
 
bool is_the_hole (int index)
 
void set (int index, Smi *value)
 
void set (int index, Object *value, WriteBarrierMode mode)
 
void set_undefined (int index)
 
void set_undefined (Heap *heap, int index)
 
void set_null (int index)
 
void set_null (Heap *heap, int index)
 
void set_the_hole (int index)
 
void set_unchecked (int index, Smi *value)
 
void set_null_unchecked (Heap *heap, int index)
 
void set_unchecked (Heap *heap, int index, Object *value, WriteBarrierMode mode)
 
Object ** data_start ()
 
Object ** GetFirstElementAddress ()
 
bool ContainsOnlySmisOrHoles ()
 
MUST_USE_RESULT MaybeObject * Copy ()
 
MUST_USE_RESULT MaybeObject * CopySize (int new_length)
 
MUST_USE_RESULT MaybeObject * AddKeysFromJSArray (JSArray *array)
 
MUST_USE_RESULT MaybeObject * UnionOfKeys (FixedArray *other)
 
void CopyTo (int pos, FixedArray *dest, int dest_pos, int len)
 
void SwapPairs (FixedArray *numbers, int i, int j)
 
void SortPairs (FixedArray *numbers, uint32_t len)
 
- Public Member Functions inherited from FixedArrayBase
int length ()
 
void set_length (int value)
 
- Public Member Functions inherited from HeapObject
Mapmap ()
 
void set_map (Map *value)
 
void set_map_no_write_barrier (Map *value)
 
MapWord map_word ()
 
void set_map_word (MapWord map_word)
 
HeapGetHeap ()
 
IsolateGetIsolate ()
 
Address address ()
 
void Iterate (ObjectVisitor *v)
 
void IterateBody (InstanceType type, int object_size, ObjectVisitor *v)
 
int Size ()
 
int SizeFromMap (Map *map)
 
WriteBarrierMode GetWriteBarrierMode (const AssertNoAllocation &)
 
void HeapObjectShortPrint (StringStream *accumulator)
 
 STATIC_CHECK (kMapOffset==Internals::kHeapObjectMapOffset)
 
- Public Member Functions inherited from Object
bool IsObject ()
 
bool IsFixedArrayBase ()
 
bool IsInstanceOf (FunctionTemplateInfo *type)
 
bool IsStruct ()
 
 INLINE (bool IsSpecObject())
 
 INLINE (bool IsSpecFunction())
 
 INLINE (bool IsUndefined())
 
 INLINE (bool IsNull())
 
 INLINE (bool IsTheHole())
 
 INLINE (bool IsTrue())
 
 INLINE (bool IsFalse())
 
bool IsArgumentsMarker ()
 
bool NonFailureIsHeapObject ()
 
bool IsFiller ()
 
double Number ()
 
bool IsNaN ()
 
bool HasValidElements ()
 
bool HasSpecificClassOf (String *name)
 
MUST_USE_RESULT MaybeObject * ToObject ()
 
ObjectToBoolean ()
 
MUST_USE_RESULT MaybeObject * ToObject (Context *native_context)
 
MUST_USE_RESULT MaybeObject * ToSmi ()
 
void Lookup (String *name, LookupResult *result)
 
MUST_USE_RESULT MaybeObject * GetProperty (String *key)
 
MUST_USE_RESULT MaybeObject * GetProperty (String *key, PropertyAttributes *attributes)
 
MUST_USE_RESULT MaybeObject * GetPropertyWithReceiver (Object *receiver, String *key, PropertyAttributes *attributes)
 
MUST_USE_RESULT MaybeObject * GetProperty (Object *receiver, LookupResult *result, String *key, PropertyAttributes *attributes)
 
MUST_USE_RESULT MaybeObject * GetPropertyWithDefinedGetter (Object *receiver, JSReceiver *getter)
 
MUST_USE_RESULT MaybeObject * GetElement (uint32_t index)
 
ObjectGetElementNoExceptionThrown (uint32_t index)
 
MUST_USE_RESULT MaybeObject * GetElementWithReceiver (Object *receiver, uint32_t index)
 
ObjectGetPrototype ()
 
MUST_USE_RESULT MaybeObject * GetHash (CreationFlag flag)
 
bool SameValue (Object *other)
 
bool ToArrayIndex (uint32_t *index)
 
bool IsStringObjectWithCharacterAt (uint32_t index)
 
void VerifyApiCallResultType ()
 
void ShortPrint ()
 
void ShortPrint (FILE *out)
 
void ShortPrint (StringStream *accumulator)
 

Static Public Member Functions

static MUST_USE_RESULT
MaybeObject * 
NewWith (SimpleTransitionFlag flag, String *key, Map *target, Object *back_pointer)
 
static MUST_USE_RESULT
MaybeObject * 
Allocate (int number_of_transitions)
 
static TransitionArraycast (Object *obj)
 
- Static Public Member Functions inherited from FixedArray
static int SizeFor (int length)
 
static int OffsetOfElementAt (int index)
 
static FixedArraycast (Object *obj)
 
- Static Public Member Functions inherited from FixedArrayBase
static FixedArrayBasecast (Object *object)
 
- Static Public Member Functions inherited from HeapObject
static HeapObjectFromAddress (Address address)
 
static Object ** RawField (HeapObject *obj, int offset)
 
static HeapObjectcast (Object *obj)
 
- Static Public Member Functions inherited from Object
static Handle< ObjectGetProperty (Handle< Object > object, Handle< Object > receiver, LookupResult *result, Handle< String > key, PropertyAttributes *attributes)
 
static Handle< ObjectGetElement (Handle< Object > object, uint32_t index)
 
static Objectcast (Object *value)
 

Static Public Attributes

static const int kNotFound = -1
 
static const int kBackPointerStorageIndex = 0
 
static const int kElementsTransitionIndex = 1
 
static const int kPrototypeTransitionsIndex = 2
 
static const int kFirstIndex = 3
 
static const int kSimpleTransitionTarget = 1
 
static const int kSimpleTransitionSize = 2
 
static const int kSimpleTransitionIndex = 0
 
static const int kBackPointerStorageOffset = FixedArray::kHeaderSize
 
static const int kElementsTransitionOffset
 
static const int kPrototypeTransitionsOffset
 
static const int kTransitionKey = 0
 
static const int kTransitionTarget = 1
 
static const int kTransitionSize = 2
 
static const int kMaxNumberOfTransitions = 1024 + 512
 
- Static Public Attributes inherited from FixedArray
static const int kMaxSize = 128 * MB * kPointerSize
 
static const int kMaxLength = (kMaxSize - kHeaderSize) / kPointerSize
 
- Static Public Attributes inherited from FixedArrayBase
static const int kLengthOffset = HeapObject::kHeaderSize
 
static const int kHeaderSize = kLengthOffset + kPointerSize
 
- Static Public Attributes inherited from HeapObject
static const int kMapOffset = Object::kHeaderSize
 
static const int kHeaderSize = kMapOffset + kPointerSize
 
- Static Public Attributes inherited from Object
static const int kHeaderSize = 0
 

Additional Inherited Members

- Protected Member Functions inherited from HeapObject
void IteratePointers (ObjectVisitor *v, int start, int end)
 
void IteratePointer (ObjectVisitor *v, int offset)
 
- Static Protected Member Functions inherited from FixedArray
static void NoWriteBarrierSet (FixedArray *array, int index, Object *value)
 
static void NoIncrementalWriteBarrierSet (FixedArray *array, int index, Object *value)
 

Detailed Description

Definition at line 59 of file transitions.h.

Member Function Documentation

TransitionArray * cast ( Object obj)
inlinestatic

Definition at line 54 of file transitions-inl.h.

References ASSERT.

Referenced by Map::GetBackPointer(), and Map::SetBackPointer().

void ClearElementsTransition ( )
inline
Map * elements_transition ( )
inline
Object ** GetPrototypeTransitionsSlot ( )
inline
String* GetSortedKey ( int  transition_number)
inline

Definition at line 67 of file transitions.h.

References TransitionArray::GetKey().

int GetSortedKeyIndex ( int  transition_number)
inline

Definition at line 65 of file transitions.h.

PropertyDetails GetTargetDetails ( int  transition_number)
inline
void NoIncrementalWriteBarrierCopyFrom ( TransitionArray origin,
int  origin_transition,
int  target_transition 
)
inline
int number_of_entries ( )
inline

Definition at line 103 of file transitions.h.

References TransitionArray::number_of_transitions().

void SetKey ( int  transition_number,
String value 
)
inline
STATIC_ASSERT ( kSimpleTransitionIndex!  = kNotFound)
HeapObject * UncheckedPrototypeTransitions ( )
inline

Field Documentation

const int kBackPointerStorageIndex = 0
static

Definition at line 139 of file transitions.h.

Referenced by TransitionArray::back_pointer_storage().

const int kBackPointerStorageOffset = FixedArray::kHeaderSize
static

Definition at line 152 of file transitions.h.

Referenced by TransitionArray::set_back_pointer_storage().

const int kElementsTransitionIndex = 1
static
const int kElementsTransitionOffset
static
const int kFirstIndex = 3
static
const int kMaxNumberOfTransitions = 1024 + 512
static

Definition at line 181 of file transitions.h.

const int kNotFound = -1
static
const int kPrototypeTransitionsOffset
static
const int kSimpleTransitionSize = 2
static

Definition at line 148 of file transitions.h.

Referenced by TransitionArray::IsSimpleTransition(), and TransitionArray::NewWith().

const int kSimpleTransitionTarget = 1
static
const int kTransitionKey = 0
static

Definition at line 161 of file transitions.h.

const int kTransitionSize = 2
static
const int kTransitionTarget = 1
static

Definition at line 162 of file transitions.h.


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