bool
HeapSnapshot::saveNode(const protobuf::Node& node)
{
if (!node.has_id())
return false;
NodeId id = node.id();
if (!node.has_typename_())
return false;
const auto* duplicatedTypeName = reinterpret_cast<const char16_t*>(
node.typename_().c_str());
const char16_t* typeName = borrowUniqueString(
duplicatedTypeName,
node.typename_().length() / sizeof(char16_t));
if (!typeName)
return false;
if (!node.has_size())
return false;
uint64_t size = node.size();
auto edgesLength = node.edges_size();
DeserializedNode::EdgeVector edges;
if (!edges.reserve(edgesLength))
return false;
for (decltype(edgesLength) i = 0; i < edgesLength; i++) {
DeserializedEdge edge;
if (!edge.init(node.edges(i), *this))
return false;
edges.infallibleAppend(Move(edge));
}
DeserializedNode dn(id, typeName, size, Move(edges), *this);
return nodes.putNew(id, Move(dn));
}
bool
HeapSnapshot::saveNode(const protobuf::Node& node)
{
if (!node.has_id())
return false;
NodeId id = node.id();
// Should only deserialize each node once.
if (nodes.has(id))
return false;
if (!JS::ubi::Uint32IsValidCoarseType(node.coarsetype()))
return false;
auto coarseType = JS::ubi::Uint32ToCoarseType(node.coarsetype());
if (!node.has_typename_())
return false;
auto duplicatedTypeName = reinterpret_cast<const char16_t*>(
node.typename_().data());
auto length = node.typename_().length() / sizeof(char16_t);
auto typeName = borrowUniqueString(duplicatedTypeName, length);
if (!typeName)
return false;
if (!node.has_size())
return false;
uint64_t size = node.size();
auto edgesLength = node.edges_size();
DeserializedNode::EdgeVector edges;
if (!edges.reserve(edgesLength))
return false;
for (decltype(edgesLength) i = 0; i < edgesLength; i++) {
DeserializedEdge edge;
if (!edge.init(node.edges(i), *this))
return false;
edges.infallibleAppend(Move(edge));
}
Maybe<StackFrameId> allocationStack;
if (node.has_allocationstack()) {
StackFrameId id = 0;
if (!saveStackFrame(node.allocationstack(), id))
return false;
allocationStack.emplace(id);
}
MOZ_ASSERT(allocationStack.isSome() == node.has_allocationstack());
UniquePtr<char[]> jsObjectClassName;
if (node.has_jsobjectclassname()) {
auto length = node.jsobjectclassname().length();
jsObjectClassName.reset(static_cast<char*>(malloc(length + 1)));
if (!jsObjectClassName)
return false;
strncpy(jsObjectClassName.get(), node.jsobjectclassname().data(),
length);
jsObjectClassName.get()[length] = '\0';
}
return nodes.putNew(id, DeserializedNode(id, coarseType, typeName, size,
Move(edges), allocationStack,
Move(jsObjectClassName),
*this));
}