ScopeInfo Class Reference

#include <objects.h>

Inheritance diagram for ScopeInfo:

Collaboration diagram for ScopeInfo:

Public Member Functions
ScopeType	scope_type ()
bool	CallsEval ()
StrictMode	strict_mode ()
bool	CallsSloppyEval ()
int	LocalCount ()
int	StackSlotCount ()
int	ContextLength ()
bool	HasFunctionName ()
bool	HasHeapAllocatedLocals ()
bool	HasContext ()
String *	FunctionName ()
String *	ParameterName (int var)
String *	LocalName (int var)
String *	StackLocalName (int var)
String *	ContextLocalName (int var)
VariableMode	ContextLocalMode (int var)
InitializationFlag	ContextLocalInitFlag (int var)
int	StackSlotIndex (String *name)
int	ContextSlotIndex (String *name, VariableMode *mode, InitializationFlag *init_flag)
int	ParameterIndex (String *name)
int	FunctionContextSlotIndex (String *name, VariableMode *mode)
Public Member Functions inherited from FixedArray
Object *	get (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_null (int index)
void	set_the_hole (int index)
Object **	GetFirstElementAddress ()
bool	ContainsOnlySmisOrHoles ()
Object **	data_start ()
void	Shrink (int length)
MUST_USE_RESULT MaybeObject *	Copy ()
MUST_USE_RESULT MaybeObject *	CopySize (int new_length, PretenureFlag pretenure=NOT_TENURED)
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)
Object **	RawFieldOfElementAt (int index)
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
Map *	map ()
void	set_map (Map *value)
void	set_map_no_write_barrier (Map *value)
MapWord	map_word ()
void	set_map_word (MapWord map_word)
Heap *	GetHeap ()
Isolate *	GetIsolate ()
Address	address ()
void	Iterate (ObjectVisitor *v)
void	IterateBody (InstanceType type, int object_size, ObjectVisitor *v)
int	Size ()
int	SizeFromMap (Map *map)
WriteBarrierMode	GetWriteBarrierMode (const DisallowHeapAllocation &promise)
void	HeapObjectShortPrint (StringStream *accumulator)
	STATIC_CHECK (kMapOffset==Internals::kHeapObjectMapOffset)
Public Member Functions inherited from Object
bool	IsObject ()
bool	IsFixedArrayBase ()
bool	IsExternal ()
bool	IsAccessorInfo ()
bool	IsStruct ()
	INLINE (bool IsSpecObject())
	INLINE (bool IsSpecFunction())
bool	IsCallable ()
	INLINE (bool IsUndefined())
	INLINE (bool IsNull())
	INLINE (bool IsTheHole())
	INLINE (bool IsUninitialized())
	INLINE (bool IsTrue())
	INLINE (bool IsFalse())
bool	IsArgumentsMarker ()
bool	NonFailureIsHeapObject ()
bool	IsFiller ()
double	Number ()
bool	IsNaN ()
bool	ToInt32 (int32_t *value)
bool	ToUint32 (uint32_t *value)
Representation	OptimalRepresentation (ValueType type=OPTIMAL_REPRESENTATION)
bool	FitsRepresentation (Representation representation)
MaybeObject *	AllocateNewStorageFor (Heap *heap, Representation representation)
bool	HasValidElements ()
bool	HasSpecificClassOf (String *name)
MUST_USE_RESULT MaybeObject *	ToObject (Isolate *isolate)
bool	BooleanValue ()
MUST_USE_RESULT MaybeObject *	ToObject (Context *native_context)
MUST_USE_RESULT MaybeObject *	ToSmi ()
void	Lookup (Name *name, LookupResult *result)
MUST_USE_RESULT MaybeObject *	GetProperty (Name *key)
MUST_USE_RESULT MaybeObject *	GetProperty (Name *key, PropertyAttributes *attributes)
MUST_USE_RESULT MaybeObject *	GetPropertyWithReceiver (Object *receiver, Name *key, PropertyAttributes *attributes)
MUST_USE_RESULT MaybeObject *	GetProperty (Object *receiver, LookupResult *result, Name *key, PropertyAttributes *attributes)
MUST_USE_RESULT MaybeObject *	GetPropertyWithDefinedGetter (Object *receiver, JSReceiver *getter)
Object *	GetPrototype (Isolate *isolate)
Map *	GetMarkerMap (Isolate *isolate)
Object *	GetHash ()
bool	SameValue (Object *other)
bool	ToArrayIndex (uint32_t *index)
bool	IsStringObjectWithCharacterAt (uint32_t index)
void	VerifyApiCallResultType ()
void	ShortPrint (FILE *out=stdout)
void	ShortPrint (StringStream *accumulator)

Static Public Member Functions
static ScopeInfo *	cast (Object *object)
static bool	CopyContextLocalsToScopeObject (Handle< ScopeInfo > scope_info, Handle< Context > context, Handle< JSObject > scope_object)
static Handle< ScopeInfo >	Create (Scope *scope, Zone *zone)
static ScopeInfo *	Empty (Isolate *isolate)
Static Public Member Functions inherited from FixedArray
static int	SizeFor (int length)
static int	OffsetOfElementAt (int index)
static FixedArray *	cast (Object *obj)
Static Public Member Functions inherited from FixedArrayBase
static FixedArrayBase *	cast (Object *object)
Static Public Member Functions inherited from HeapObject
static HeapObject *	FromAddress (Address address)
static Object **	RawField (HeapObject *obj, int offset)
static void	UpdateMapCodeCache (Handle< HeapObject > object, Handle< Name > name, Handle< Code > code)
static HeapObject *	cast (Object *obj)
Static Public Member Functions inherited from Object
static MUST_USE_RESULT Handle < Object >	ToSmi (Isolate *isolate, Handle< Object > object)
static Handle< Object >	GetPropertyWithReceiver (Handle< Object > object, Handle< Object > receiver, Handle< Name > name, PropertyAttributes *attributes)
static Handle< Object >	GetProperty (Handle< Object > object, Handle< Name > key)
static Handle< Object >	GetProperty (Handle< Object > object, Handle< Object > receiver, LookupResult *result, Handle< Name > key, PropertyAttributes *attributes)
static MUST_USE_RESULT MaybeObject *	GetPropertyOrFail (Handle< Object > object, Handle< Object > receiver, LookupResult *result, Handle< Name > key, PropertyAttributes *attributes)
static Handle< Object >	GetElement (Isolate *isolate, Handle< Object > object, uint32_t index)
static Handle< Object >	GetElementNoExceptionThrown (Isolate *isolate, Handle< Object > object, uint32_t index)
static Handle< Object >	GetElementWithReceiver (Isolate *isolate, Handle< Object > object, Handle< Object > receiver, uint32_t index)
static Handle< Object >	GetOrCreateHash (Handle< Object > object, Isolate *isolate)
static Object *	cast (Object *value)

Additional Inherited Members
Public Types inherited from Object
enum	ValueType { OPTIMAL_REPRESENTATION, FORCE_TAGGED }
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 inherited from HeapObject
void	IteratePointers (ObjectVisitor *v, int start, int end)
void	IteratePointer (ObjectVisitor *v, int offset)
void	IterateNextCodeLink (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 4359 of file objects.h.

Member Function Documentation

bool CallsEval

(

)

Definition at line 162 of file scopeinfo.cc.

References FixedArrayBase::length().

Referenced by ScopeInfo::ContextLength().

bool CallsSloppyEval ( )

inline

Definition at line 4373 of file objects.h.

References v8::internal::SLOPPY.

static ScopeInfo* cast ( Object *  object )

inlinestatic

Referenced by Scope::DeserializeScopeChain(), Context::Lookup(), and v8::internal::RUNTIME_FUNCTION().

int ContextLength

(

)

Definition at line 187 of file scopeinfo.cc.

References ScopeInfo::CallsEval(), v8::internal::FUNCTION_SCOPE, FixedArrayBase::length(), Context::MIN_CONTEXT_SLOTS, v8::internal::MODULE_SCOPE, ScopeInfo::scope_type(), and v8::internal::WITH_SCOPE.

Referenced by Heap::AllocateBlockContext(), Heap::AllocateGlobalContext(), Heap::AllocateModuleContext(), ScopeInfo::ContextSlotIndex(), and ScopeInfo::HasContext().

InitializationFlag ContextLocalInitFlag

(

int

var

)

Definition at line 273 of file scopeinfo.cc.

References ASSERT, Smi::cast(), and Smi::value().

Referenced by ScopeInfo::ContextSlotIndex().

VariableMode ContextLocalMode

(

int

var

)

Definition at line 265 of file scopeinfo.cc.

References ASSERT, Smi::cast(), and Smi::value().

Referenced by ScopeInfo::ContextSlotIndex().

String * ContextLocalName

(

int

var

)

Definition at line 258 of file scopeinfo.cc.

References ASSERT, and String::cast().

int ContextSlotIndex	(	String *	name,
		VariableMode *	mode,
		InitializationFlag *	init_flag
	)

Definition at line 296 of file scopeinfo.cc.

References ASSERT, Isolate::context_slot_cache(), ScopeInfo::ContextLength(), ScopeInfo::ContextLocalInitFlag(), ScopeInfo::ContextLocalMode(), HeapObject::GetIsolate(), v8::internal::INTERNAL, v8::internal::kNeedsInitialization, ContextSlotCache::kNotFound, FixedArrayBase::length(), ContextSlotCache::Lookup(), Context::MIN_CONTEXT_SLOTS, v8::internal::NULL, and ContextSlotCache::Update().

bool CopyContextLocalsToScopeObject ( Handle< ScopeInfo >  scope_info, Handle< Context >  context, Handle< JSObject >  scope_object  )

static

Definition at line 364 of file scopeinfo.cc.

References String::cast(), Context::MIN_CONTEXT_SLOTS, RETURN_IF_EMPTY_HANDLE_VALUE, Runtime::SetObjectProperty(), and v8::internal::SLOPPY.

Handle< ScopeInfo > Create ( Scope *  scope, Zone *  zone  )

static

Definition at line 39 of file scopeinfo.cc.

References ASSERT, Scope::calls_eval(), Scope::CollectStackAndContextLocals(), Variable::CompareIndex(), Scope::ContextLocalCount(), Isolate::factory(), v8::internal::flags, Smi::FromInt(), Scope::function(), Variable::initialization_flag(), Scope::is_function_scope(), Variable::is_used(), Variable::IsContextSlot(), Zone::isolate(), Variable::IsStackLocal(), FixedArrayBase::length(), Variable::mode(), Variable::name(), v8::internal::name, v8::internal::NULL, Scope::num_heap_slots(), Scope::num_parameters(), Scope::num_stack_slots(), Scope::parameter(), Scope::scope_type(), Scope::StackLocalCount(), Scope::strict_mode(), and v8::internal::VAR.

Referenced by Compiler::BuildFunctionInfo(), and Scope::GetScopeInfo().

ScopeInfo * Empty ( Isolate *  isolate )

static

Definition at line 151 of file scopeinfo.cc.

References Isolate::heap().

Referenced by Heap::AllocateSharedFunctionInfo(), Compiler::BuildFunctionInfo(), Compiler::GetOptimizedCode(), and JavaScriptFrame::Print().

int FunctionContextSlotIndex	(	String *	name,
		VariableMode *	mode
	)

Definition at line 350 of file scopeinfo.cc.

References ASSERT, Smi::cast(), ScopeInfo::FunctionName(), FixedArrayBase::length(), v8::internal::NULL, and Smi::value().

String * FunctionName

(

)

Definition at line 229 of file scopeinfo.cc.

References ASSERT, String::cast(), and ScopeInfo::HasFunctionName().

Referenced by ScopeInfo::FunctionContextSlotIndex().

bool HasContext

(

)

Definition at line 224 of file scopeinfo.cc.

References ScopeInfo::ContextLength().

bool HasFunctionName

(

)

Definition at line 206 of file scopeinfo.cc.

References FixedArrayBase::length().

Referenced by ScopeInfo::FunctionName().

bool HasHeapAllocatedLocals

(

)

Definition at line 215 of file scopeinfo.cc.

References FixedArrayBase::length().

int LocalCount

(

)

Definition at line 172 of file scopeinfo.cc.

Referenced by ScopeInfo::LocalName().

String * LocalName

(

int

var

)

Definition at line 242 of file scopeinfo.cc.

References ASSERT, String::cast(), and ScopeInfo::LocalCount().

int ParameterIndex

(

String *

name

)

Definition at line 330 of file scopeinfo.cc.

References ASSERT, and FixedArrayBase::length().

String * ParameterName

(

int

var

)

Definition at line 235 of file scopeinfo.cc.

References ASSERT, and String::cast().

ScopeType scope_type

(

)

Definition at line 156 of file scopeinfo.cc.

References ASSERT, and FixedArrayBase::length().

Referenced by ScopeInfo::ContextLength().

String * StackLocalName

(

int

var

)

Definition at line 251 of file scopeinfo.cc.

References ASSERT, and String::cast().

int StackSlotCount

(

)

Definition at line 177 of file scopeinfo.cc.

References FixedArrayBase::length().

int StackSlotIndex

(

String *

name

)

Definition at line 281 of file scopeinfo.cc.

References ASSERT, and FixedArrayBase::length().

StrictMode strict_mode

(

)

Definition at line 167 of file scopeinfo.cc.

References FixedArrayBase::length(), and v8::internal::SLOPPY.

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

• src/objects.h
• src/scopeinfo.cc