V8HeapExplorer Class Reference

#include <heap-snapshot-generator.h>

Inheritance diagram for V8HeapExplorer:

Collaboration diagram for V8HeapExplorer:

Public Member Functions
	V8HeapExplorer (HeapSnapshot *snapshot, SnapshottingProgressReportingInterface *progress, v8::HeapProfiler::ObjectNameResolver *resolver)
virtual	~V8HeapExplorer ()
virtual HeapEntry *	AllocateEntry (HeapThing ptr)
void	AddRootEntries (SnapshotFiller *filler)
int	EstimateObjectsCount (HeapIterator *iterator)
bool	IterateAndExtractReferences (SnapshotFiller *filler)
void	TagGlobalObjects ()
void	TagCodeObject (Code *code)
void	TagBuiltinCodeObject (Code *code, const char *name)
HeapEntry *	AddEntry (Address address, HeapEntry::Type type, const char *name, size_t size)
Public Member Functions inherited from HeapEntriesAllocator
virtual	~HeapEntriesAllocator ()

Static Public Member Functions
static String *	GetConstructorName (JSObject *object)

Static Public Attributes
static HeapObject *const	kInternalRootObject

Friends
class	IndexedReferencesExtractor
class	GcSubrootsEnumerator
class	RootsReferencesExtractor

Detailed Description

Definition at line 356 of file heap-snapshot-generator.h.

Constructor & Destructor Documentation

V8HeapExplorer	(	HeapSnapshot *	snapshot,
		SnapshottingProgressReportingInterface *	progress,
		v8::HeapProfiler::ObjectNameResolver *	resolver
	)

Definition at line 810 of file heap-snapshot-generator.cc.

~V8HeapExplorer ( )

virtual

Definition at line 824 of file heap-snapshot-generator.cc.

Member Function Documentation

HeapEntry * AddEntry	(	Address	address,
		HeapEntry::Type	type,
		const char *	name,
		size_t	size
	)

Definition at line 914 of file heap-snapshot-generator.cc.

References HeapSnapshot::AddEntry(), HeapProfiler::allocation_tracker(), HeapObjectsMap::FindOrAddEntry(), and HeapSnapshot::profiler().

Referenced by V8HeapExplorer::AllocateEntry(), and JSArrayBufferDataEntryAllocator::AllocateEntry().

void AddRootEntries

(

SnapshotFiller *

filler

)

Definition at line 1015 of file heap-snapshot-generator.cc.

References SnapshotFiller::AddEntry(), Heap::IterateRoots(), V8HeapExplorer::kInternalRootObject, and v8::internal::VISIT_ALL.

HeapEntry * AllocateEntry ( HeapThing  ptr )

virtual

Implements HeapEntriesAllocator.

Definition at line 828 of file heap-snapshot-generator.cc.

References V8HeapExplorer::AddEntry().

int EstimateObjectsCount

(

HeapIterator *

iterator

)

Definition at line 1046 of file heap-snapshot-generator.cc.

References v8::internal::NULL, and obj.

String * GetConstructorName ( JSObject *  object )

static

Definition at line 1719 of file heap-snapshot-generator.cc.

References JSFunction::cast(), String::cast(), JSReceiver::constructor_name(), Heap::isolate(), String::length(), and v8::internal::NULL.

Referenced by TEST().

bool IterateAndExtractReferences

(

SnapshotFiller *

filler

)

Definition at line 1822 of file heap-snapshot-generator.cc.

References RootsReferencesExtractor::FillReferences(), Heap::IterateRoots(), v8::internal::NULL, SnapshottingProgressReportingInterface::ProgressReport(), SnapshottingProgressReportingInterface::ProgressStep(), RootsReferencesExtractor::SetCollectingAllReferences(), v8::internal::VISIT_ALL, and v8::internal::VISIT_ONLY_STRONG.

void TagBuiltinCodeObject	(	Code *	code,
		const char *	name
	)

Definition at line 1448 of file heap-snapshot-generator.cc.

References StringsStorage::GetFormatted().

Referenced by RootsReferencesExtractor::FillReferences().

void TagCodeObject

(

Code *

code

)

Definition at line 1453 of file heap-snapshot-generator.cc.

References StringsStorage::GetFormatted(), Code::kind(), Code::major_key(), and v8::internal::STUB.

Referenced by IndexedReferencesExtractor::VisitCodeEntry().

void TagGlobalObjects

(

)

Definition at line 2142 of file heap-snapshot-generator.cc.

References GlobalObjectsEnumerator::at(), GlobalObjectsEnumerator::count(), v8::internal::DeleteArray(), HeapProfiler::ObjectNameResolver::GetName(), Isolate::global_handles(), Heap::isolate(), GlobalHandles::IterateAllRoots(), v8::internal::NULL, HeapObjectsSet::SetTag(), and Utils::ToLocal().

Referenced by HeapSnapshotGenerator::GenerateSnapshot().

Friends And Related Function Documentation

friend class GcSubrootsEnumerator

friend

Definition at line 477 of file heap-snapshot-generator.h.

friend class IndexedReferencesExtractor

friend

Definition at line 476 of file heap-snapshot-generator.h.

friend class RootsReferencesExtractor

friend

Definition at line 478 of file heap-snapshot-generator.h.

Field Documentation

HeapObject *const kInternalRootObject

static

Initial value:

=
    reinterpret_cast<HeapObject*>(
        static_cast<intptr_t>(HeapObjectsMap::kInternalRootObjectId))

Definition at line 376 of file heap-snapshot-generator.h.

Referenced by V8HeapExplorer::AddRootEntries().

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

• src/heap-snapshot-generator.h
• src/heap-snapshot-generator-inl.h
• src/heap-snapshot-generator.cc