v8  3.14.5(node0.10.28)
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HashTable< Shape, Key > Class Template Reference

#include <objects.h>

Inheritance diagram for HashTable< Shape, Key >:
Collaboration diagram for HashTable< Shape, Key >:

Public Types

enum  MinimumCapacity { USE_DEFAULT_MINIMUM_CAPACITY, USE_CUSTOM_MINIMUM_CAPACITY }
 

Public Member Functions

uint32_t Hash (Key key)
 
uint32_t HashForObject (Key key, Object *object)
 
int NumberOfElements ()
 
int NumberOfDeletedElements ()
 
int Capacity ()
 
void ElementAdded ()
 
void ElementRemoved ()
 
void ElementsRemoved (int n)
 
ObjectKeyAt (int entry)
 
bool IsKey (Object *k)
 
void IteratePrefix (ObjectVisitor *visitor)
 
void IterateElements (ObjectVisitor *visitor)
 
 INLINE (static uint32_t GetProbeOffset(uint32_t n))
 
int FindEntry (Key key)
 
int FindEntry (Isolate *isolate, Key key)
 
- 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 * 
Allocate (int at_least_space_for, MinimumCapacity capacity_option=USE_DEFAULT_MINIMUM_CAPACITY, PretenureFlag pretenure=NOT_TENURED)
 
static int ComputeCapacity (int at_least_space_for)
 
static HashTablecast (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 kNumberOfElementsIndex = 0
 
static const int kNumberOfDeletedElementsIndex = 1
 
static const int kCapacityIndex = 2
 
static const int kPrefixStartIndex = 3
 
static const int kElementsStartIndex
 
static const int kEntrySize = Shape::kEntrySize
 
static const int kElementsStartOffset
 
static const int kCapacityOffset
 
static const int kNotFound = -1
 
static const int kMaxCapacity
 
- 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
 

Protected Member Functions

uint32_t FindInsertionEntry (uint32_t hash)
 
void SetNumberOfElements (int nof)
 
void SetNumberOfDeletedElements (int nod)
 
void SetCapacity (int capacity)
 
MUST_USE_RESULT MaybeObject * Rehash (HashTable *new_table, Key key)
 
MUST_USE_RESULT MaybeObject * Shrink (Key key)
 
MUST_USE_RESULT MaybeObject * EnsureCapacity (int n, Key key)
 
- Protected Member Functions inherited from HeapObject
void IteratePointers (ObjectVisitor *v, int start, int end)
 
void IteratePointer (ObjectVisitor *v, int offset)
 

Static Protected Member Functions

static int EntryToIndex (int entry)
 
static uint32_t GetProbe (uint32_t hash, uint32_t number, uint32_t size)
 
static uint32_t FirstProbe (uint32_t hash, uint32_t size)
 
static uint32_t NextProbe (uint32_t last, uint32_t number, uint32_t size)
 
- 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

template<typename Shape, typename Key>
class v8::internal::HashTable< Shape, Key >

Definition at line 2774 of file objects.h.

Member Enumeration Documentation

Enumerator
USE_DEFAULT_MINIMUM_CAPACITY 
USE_CUSTOM_MINIMUM_CAPACITY 

Definition at line 2776 of file objects.h.

Member Function Documentation

HashTable< Shape, Key > * cast ( Object obj)
inlinestatic
int ComputeCapacity ( int  at_least_space_for)
static

Definition at line 2268 of file objects-inl.h.

References v8::internal::RoundUpToPowerOf2().

void ElementRemoved ( )
inline

Definition at line 2821 of file objects.h.

Referenced by Dictionary< Shape, Key >::DeleteProperty().

void ElementsRemoved ( int  n)
inline

Definition at line 2825 of file objects.h.

Referenced by DictionaryElementsAccessor::SetLengthWithoutNormalize().

MaybeObject * EnsureCapacity ( int  n,
Key  key 
)
protected
static int EntryToIndex ( int  entry)
inlinestaticprotected
int FindEntry ( Isolate isolate,
Key  key 
)

Definition at line 2286 of file objects-inl.h.

References Isolate::heap(), and DescriptorArray::kNotFound.

static uint32_t FirstProbe ( uint32_t  hash,
uint32_t  size 
)
inlinestaticprotected

Definition at line 2923 of file objects.h.

static uint32_t GetProbe ( uint32_t  hash,
uint32_t  number,
uint32_t  size 
)
inlinestaticprotected

Definition at line 2918 of file objects.h.

uint32_t Hash ( Key  key)
inline

Definition at line 2782 of file objects.h.

uint32_t HashForObject ( Key  key,
Object object 
)
inline

Definition at line 2791 of file objects.h.

Referenced by HashTable< Shape, Key >::Rehash().

INLINE ( static uint32_t   GetProbeOffsetuint32_t n)
inline

Definition at line 2857 of file objects.h.

bool IsKey ( Object k)
inline

Definition at line 2845 of file objects.h.

Referenced by JSObject::PrepareSlowElementsForSort().

void IterateElements ( ObjectVisitor *  visitor)

Definition at line 11319 of file objects.cc.

void IteratePrefix ( ObjectVisitor *  visitor)

Definition at line 11313 of file objects.cc.

static uint32_t NextProbe ( uint32_t  last,
uint32_t  number,
uint32_t  size 
)
inlinestaticprotected

Definition at line 2927 of file objects.h.

int NumberOfDeletedElements ( )
inline

Definition at line 2806 of file objects.h.

void SetCapacity ( int  capacity)
inlineprotected

Definition at line 2907 of file objects.h.

Referenced by HashTable< Shape, Key >::Allocate().

void SetNumberOfDeletedElements ( int  nod)
inlineprotected
void SetNumberOfElements ( int  nof)
inlineprotected
MaybeObject * Shrink ( Key  key)
protected

Field Documentation

const int kCapacityIndex = 2
static

Definition at line 2863 of file objects.h.

const int kCapacityOffset
static
Initial value:

Definition at line 2870 of file objects.h.

const int kElementsStartIndex
static
Initial value:
=
kPrefixStartIndex + Shape::kPrefixSize

Definition at line 2865 of file objects.h.

const int kElementsStartOffset
static
Initial value:

Definition at line 2868 of file objects.h.

const int kEntrySize = Shape::kEntrySize
static

Definition at line 2867 of file objects.h.

const int kMaxCapacity
static
Initial value:

Definition at line 2879 of file objects.h.

Referenced by HashTable< Shape, Key >::Allocate().

const int kNotFound = -1
static

Definition at line 2874 of file objects.h.

const int kNumberOfDeletedElementsIndex = 1
static

Definition at line 2862 of file objects.h.

const int kNumberOfElementsIndex = 0
static

Definition at line 2861 of file objects.h.

const int kPrefixStartIndex = 3
static

Definition at line 2864 of file objects.h.


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