#include <objects.h>

Inheritance diagram for v8::internal::BreakPointInfo:

Collaboration diagram for v8::internal::BreakPointInfo:

Public Member Functions
int	GetBreakPointCount ()

Public Member Functions inherited from v8::internal::Struct
void	InitializeBody (int object_size)

Public Member Functions inherited from v8::internal::HeapObject
Map *	map () const

void	set_map (Map *value)

void	set_map_no_write_barrier (Map *value)

Map *	synchronized_map ()

MapWord	synchronized_map_word () const

void	synchronized_set_map (Map *value)

void	synchronized_set_map_no_write_barrier (Map *value)

void	synchronized_set_map_word (MapWord map_word)

MapWord	map_word () const

void	set_map_word (MapWord map_word)

Heap *	GetHeap () const

Isolate *	GetIsolate () const

Address	address ()

void	Iterate (ObjectVisitor *v)

void	IterateBody (InstanceType type, int object_size, ObjectVisitor *v)

int	Size ()

bool	MayContainRawValues ()

int	SizeFromMap (Map *map)

WriteBarrierMode	GetWriteBarrierMode (const DisallowHeapAllocation &promise)

void	HeapObjectShortPrint (OStream &os)

	STATIC_ASSERT (kMapOffset==Internals::kHeapObjectMapOffset)

Public Member Functions inherited from v8::internal::Object
bool	IsObject () const

	INLINE (bool IsFixedArrayBase() const)

	INLINE (bool IsExternal() const)

	INLINE (bool IsAccessorInfo() const)

	INLINE (bool IsStruct() const)

	INLINE (bool IsSpecObject()) const

	INLINE (bool IsSpecFunction()) const

	INLINE (bool IsTemplateInfo()) const

	INLINE (bool IsNameDictionary() const)

	INLINE (bool IsSeededNumberDictionary() const)

	INLINE (bool IsUnseededNumberDictionary() const)

	INLINE (bool IsOrderedHashSet() const)

	INLINE (bool IsOrderedHashMap() const)

bool	IsCallable () const

	INLINE (bool IsUndefined() const)

	INLINE (bool IsNull() const)

	INLINE (bool IsTheHole() const)

	INLINE (bool IsException() const)

	INLINE (bool IsUninitialized() const)

	INLINE (bool IsTrue() const)

	INLINE (bool IsFalse() const)

	INLINE (bool IsArgumentsMarker() const)

	INLINE (bool IsFiller() const)

double	Number ()

	INLINE (bool IsNaN() const)

	INLINE (bool IsMinusZero() const)

bool	ToInt32 (int32_t *value)

bool	ToUint32 (uint32_t *value)

Representation	OptimalRepresentation ()

bool	FitsRepresentation (Representation representation)

Handle< HeapType >	OptimalType (Isolate *isolate, Representation representation)

bool	HasValidElements ()

bool	HasSpecificClassOf (String *name)

bool	BooleanValue ()

Object *	GetHash ()

bool	SameValue (Object *other)

bool	SameValueZero (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 void	ClearBreakPoint (Handle< BreakPointInfo > info, Handle< Object > break_point_object)

static void	SetBreakPoint (Handle< BreakPointInfo > info, Handle< Object > break_point_object)

static bool	HasBreakPointObject (Handle< BreakPointInfo > info, Handle< Object > break_point_object)

Static Public Member Functions inherited from v8::internal::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 Public Member Functions inherited from v8::internal::Object
static Handle< Object >	NewStorageFor (Isolate *isolate, Handle< Object > object, Representation representation)

static Handle< Object >	WrapForRead (Isolate *isolate, Handle< Object > object, Representation representation)

static MaybeHandle< JSReceiver >	ToObject (Isolate *isolate, Handle< Object > object)

static MaybeHandle< JSReceiver >	ToObject (Isolate *isolate, Handle< Object > object, Handle< Context > context)

static MUST_USE_RESULT MaybeHandle< Smi >	ToSmi (Isolate *isolate, Handle< Object > object)

static MUST_USE_RESULT MaybeHandle< Object >	GetProperty (LookupIterator *it)

static MUST_USE_RESULT MaybeHandle< Object >	SetProperty (Handle< Object > object, Handle< Name > key, Handle< Object > value, StrictMode strict_mode, StoreFromKeyed store_mode=MAY_BE_STORE_FROM_KEYED)

static MUST_USE_RESULT MaybeHandle< Object >	SetProperty (LookupIterator *it, Handle< Object > value, StrictMode strict_mode, StoreFromKeyed store_mode, StorePropertyMode data_store_mode=NORMAL_PROPERTY)

static MUST_USE_RESULT MaybeHandle< Object >	WriteToReadOnlyProperty (LookupIterator *it, Handle< Object > value, StrictMode strict_mode)

static Handle< Object >	SetDataProperty (LookupIterator *it, Handle< Object > value)

static MUST_USE_RESULT MaybeHandle< Object >	AddDataProperty (LookupIterator *it, Handle< Object > value, PropertyAttributes attributes, StrictMode strict_mode, StoreFromKeyed store_mode)

static MUST_USE_RESULT MaybeHandle< Object >	GetPropertyOrElement (Handle< Object > object, Handle< Name > key)

static MUST_USE_RESULT MaybeHandle< Object >	GetProperty (Isolate isolate, Handle< Object > object, const char key)

static MUST_USE_RESULT MaybeHandle< Object >	GetProperty (Handle< Object > object, Handle< Name > key)

static MUST_USE_RESULT MaybeHandle< Object >	GetPropertyWithAccessor (Handle< Object > receiver, Handle< Name > name, Handle< JSObject > holder, Handle< Object > structure)

static MUST_USE_RESULT MaybeHandle< Object >	SetPropertyWithAccessor (Handle< Object > receiver, Handle< Name > name, Handle< Object > value, Handle< JSObject > holder, Handle< Object > structure, StrictMode strict_mode)

static MUST_USE_RESULT MaybeHandle< Object >	GetPropertyWithDefinedGetter (Handle< Object > receiver, Handle< JSReceiver > getter)

static MUST_USE_RESULT MaybeHandle< Object >	SetPropertyWithDefinedSetter (Handle< Object > receiver, Handle< JSReceiver > setter, Handle< Object > value)

static MUST_USE_RESULT MaybeHandle< Object >	GetElement (Isolate *isolate, Handle< Object > object, uint32_t index)

static MUST_USE_RESULT MaybeHandle< Object >	GetElementWithReceiver (Isolate *isolate, Handle< Object > object, Handle< Object > receiver, uint32_t index)

static Handle< Smi >	GetOrCreateHash (Isolate *isolate, Handle< Object > object)

Static Public Attributes
static const int	kCodePositionIndex = Struct::kHeaderSize

static const int	kSourcePositionIndex = kCodePositionIndex + kPointerSize

static const int	kStatementPositionIndex

static const int	kBreakPointObjectsIndex

static const int	kSize = kBreakPointObjectsIndex + kPointerSize

Static Public Attributes inherited from v8::internal::HeapObject
static const int	kMapOffset = Object::kHeaderSize

static const int	kHeaderSize = kMapOffset + kPointerSize

Static Public Attributes inherited from v8::internal::Object
static const int	kHeaderSize = 0

Private Member Functions
	DISALLOW_IMPLICIT_CONSTRUCTORS (BreakPointInfo)

Additional Inherited Members
Public Types inherited from v8::internal::Object
enum	StoreFromKeyed { MAY_BE_STORE_FROM_KEYED , CERTAINLY_NOT_STORE_FROM_KEYED }

enum	StorePropertyMode { NORMAL_PROPERTY , SUPER_PROPERTY }

Protected Member Functions inherited from v8::internal::HeapObject
void	IteratePointers (ObjectVisitor *v, int start, int end)

void	IteratePointer (ObjectVisitor *v, int offset)

void	IterateNextCodeLink (ObjectVisitor *v, int offset)

Detailed Description

Definition at line 10636 of file objects.h.

Member Function Documentation

◆ ClearBreakPoint()

void v8::internal::BreakPointInfo::ClearBreakPoint	(	Handle< BreakPointInfo >	info,
		Handle< Object >	break_point_object
	)

static

Definition at line 16020 of file objects.cc.

                                                                         {
   Isolate* isolate = break_point_info->GetIsolate();
   // If there are no break points just ignore.
   if (break_point_info->break_point_objects()->IsUndefined()) return;
   // If there is a single break point clear it if it is the same.
   if (!break_point_info->break_point_objects()->IsFixedArray()) {
     if (break_point_info->break_point_objects() == *break_point_object) {
       break_point_info->set_break_point_objects(
           isolate->heap()->undefined_value());
     }
     return;
   }
   // If there are multiple break points shrink the array
   DCHECK(break_point_info->break_point_objects()->IsFixedArray());
   Handle<FixedArray> old_array =
       Handle<FixedArray>(
           FixedArray::cast(break_point_info->break_point_objects()));
   Handle<FixedArray> new_array =
       isolate->factory()->NewFixedArray(old_array->length() - 1);
   int found_count = 0;
   for (int i = 0; i < old_array->length(); i++) {
     if (old_array->get(i) == *break_point_object) {
       DCHECK(found_count == 0);
       found_count++;
     } else {
       new_array->set(i - found_count, old_array->get(i));
     }
   }
   // If the break point was found in the list change it.
   if (found_count > 0) break_point_info->set_break_point_objects(*new_array);
 }

References DCHECK, v8::internal::Isolate::factory(), and v8::internal::Isolate::heap().

Referenced by v8::internal::DebugInfo::ClearBreakPoint().

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◆ DISALLOW_IMPLICIT_CONSTRUCTORS()

v8::internal::BreakPointInfo::DISALLOW_IMPLICIT_CONSTRUCTORS ( BreakPointInfo )

private

◆ GetBreakPointCount()

int v8::internal::BreakPointInfo::GetBreakPointCount ( )

Definition at line 16112 of file objects.cc.

                                        {
   // No break point.
   if (break_point_objects()->IsUndefined()) return 0;
   // Single break point.
   if (!break_point_objects()->IsFixedArray()) return 1;
   // Multiple break points.
   return FixedArray::cast(break_point_objects())->length();
 }

Referenced by v8::internal::DebugInfo::GetBreakPointCount(), and v8::internal::Debug::GetSourceBreakLocations().

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◆ HasBreakPointObject()

bool v8::internal::BreakPointInfo::HasBreakPointObject	(	Handle< BreakPointInfo >	info,
		Handle< Object >	break_point_object
	)

static

Definition at line 16091 of file objects.cc.

                                        {
   // No break point.
   if (break_point_info->break_point_objects()->IsUndefined()) return false;
   // Single break point.
   if (!break_point_info->break_point_objects()->IsFixedArray()) {
     return break_point_info->break_point_objects() == *break_point_object;
   }
   // Multiple break points.
   FixedArray* array = FixedArray::cast(break_point_info->break_point_objects());
   for (int i = 0; i < array->length(); i++) {
     if (array->get(i) == *break_point_object) {
       return true;
     }
   }
   return false;
 }

References v8::internal::FixedArray::get(), and v8::internal::FixedArrayBase::length().

Referenced by v8::internal::DebugInfo::FindBreakPointInfo().

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◆ SetBreakPoint()

void v8::internal::BreakPointInfo::SetBreakPoint	(	Handle< BreakPointInfo >	info,
		Handle< Object >	break_point_object
	)

static

Definition at line 16055 of file objects.cc.

                                                                       {
   Isolate* isolate = break_point_info->GetIsolate();
  
   // If there was no break point objects before just set it.
   if (break_point_info->break_point_objects()->IsUndefined()) {
     break_point_info->set_break_point_objects(*break_point_object);
     return;
   }
   // If the break point object is the same as before just ignore.
   if (break_point_info->break_point_objects() == *break_point_object) return;
   // If there was one break point object before replace with array.
   if (!break_point_info->break_point_objects()->IsFixedArray()) {
     Handle<FixedArray> array = isolate->factory()->NewFixedArray(2);
     array->set(0, break_point_info->break_point_objects());
     array->set(1, *break_point_object);
     break_point_info->set_break_point_objects(*array);
     return;
   }
   // If there was more than one break point before extend array.
   Handle<FixedArray> old_array =
       Handle<FixedArray>(
           FixedArray::cast(break_point_info->break_point_objects()));
   Handle<FixedArray> new_array =
       isolate->factory()->NewFixedArray(old_array->length() + 1);
   for (int i = 0; i < old_array->length(); i++) {
     // If the break point was there before just ignore.
     if (old_array->get(i) == *break_point_object) return;
     new_array->set(i, old_array->get(i));
   }
   // Add the new break point.
   new_array->set(old_array->length(), *break_point_object);
   break_point_info->set_break_point_objects(*new_array);
 }

References v8::internal::Isolate::factory().

Referenced by v8::internal::DebugInfo::SetBreakPoint().

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Member Data Documentation

◆ kBreakPointObjectsIndex

const int v8::internal::BreakPointInfo::kBreakPointObjectsIndex

static

Initial value:

=

kStatementPositionIndex + kPointerSize

v8::internal::BreakPointInfo::kStatementPositionIndex

static const int kStatementPositionIndex

Definition: objects.h:10668

v8::internal::kPointerSize

const int kPointerSize

Definition: globals.h:129

Definition at line 10670 of file objects.h.

◆ kCodePositionIndex

const int v8::internal::BreakPointInfo::kCodePositionIndex = Struct::kHeaderSize

static

Definition at line 10666 of file objects.h.

◆ kSize

const int v8::internal::BreakPointInfo::kSize = kBreakPointObjectsIndex + kPointerSize

static

Definition at line 10672 of file objects.h.

◆ kSourcePositionIndex

const int v8::internal::BreakPointInfo::kSourcePositionIndex = kCodePositionIndex + kPointerSize

static

Definition at line 10667 of file objects.h.

◆ kStatementPositionIndex

const int v8::internal::BreakPointInfo::kStatementPositionIndex

static

Initial value:

=

kSourcePositionIndex + kPointerSize

v8::internal::BreakPointInfo::kSourcePositionIndex

static const int kSourcePositionIndex

Definition: objects.h:10667

Definition at line 10668 of file objects.h.

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

/mnt/V8SourceCode/src/objects.h
/mnt/V8SourceCode/src/objects.cc

Public Member Functions

Static Public Member Functions

Static Public Attributes

Private Member Functions

Additional Inherited Members

Detailed Description

Member Function Documentation

◆ ClearBreakPoint()

◆ DISALLOW_IMPLICIT_CONSTRUCTORS()

◆ GetBreakPointCount()

◆ HasBreakPointObject()

◆ SetBreakPoint()

Member Data Documentation

◆ kBreakPointObjectsIndex

◆ kCodePositionIndex

◆ kSize

◆ kSourcePositionIndex

◆ kStatementPositionIndex