void HeapSnapshotBuilder::appendPropertyNameEdge(JSCell* from, JSCell* to, UniquedStringImpl* propertyName)
{
ASSERT(m_profiler.activeSnapshotBuilder() == this);
ASSERT(to);
std::lock_guard<Lock> lock(m_buildingEdgeMutex);
m_edges.append(HeapSnapshotEdge(from, to, EdgeType::Property, propertyName));
}
void HeapSnapshotBuilder::appendIndexEdge(JSCell* from, JSCell* to, uint32_t index)
{
ASSERT(m_profiler.activeSnapshotBuilder() == this);
ASSERT(to);
std::lock_guard<Lock> lock(m_buildingEdgeMutex);
m_edges.append(HeapSnapshotEdge(from, to, index));
}
void HeapSnapshotBuilder::appendEdge(JSCell* from, JSCell* to)
{
ASSERT(m_profiler.activeSnapshotBuilder() == this);
ASSERT(to);
// Avoid trivial edges.
if (from == to)
return;
std::lock_guard<Lock> lock(m_buildingEdgeMutex);
m_edges.append(HeapSnapshotEdge(from, to));
}
void HeapSnapshotBuilder::appendEdge(JSCell* from, JSCell* to, SlotVisitor::RootMarkReason rootMarkReason)
{
ASSERT(m_profiler.activeSnapshotBuilder() == this);
ASSERT(to);
// Avoid trivial edges.
if (from == to)
return;
std::lock_guard<Lock> lock(m_buildingEdgeMutex);
if (m_snapshotType == SnapshotType::GCDebuggingSnapshot && !from) {
if (rootMarkReason == SlotVisitor::RootMarkReason::None && m_snapshotType == SnapshotType::GCDebuggingSnapshot)
WTFLogAlways("Cell %p is a root but no root marking reason was supplied", to);
m_rootData.ensure(to, [] () -> RootData {
return { };
}).iterator->value.markReason = rootMarkReason;
}
m_edges.append(HeapSnapshotEdge(from, to));
}