gecko-dev/dom/base/NodeUbiReporting.cpp

82 строки
2.4 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
* vim: set ts=8 sts=4 et sw=4 tw=99:
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "NodeUbiReporting.h"
#include "js/UbiNodeUtils.h"
#include "nsWindowSizes.h"
using JS::ubi::SimpleEdgeRange;
using JS::ubi::EdgeRange;
const char16_t JS::ubi::Concrete<nsIDocument>::concreteTypeName[] = u"nsIDocument";
const char16_t JS::ubi::Concrete<nsIContent>::concreteTypeName[] = u"nsIContent";
const char16_t JS::ubi::Concrete<Attr>::concreteTypeName[] = u"Attr";
void
JS::ubi::Concrete<nsINode>::construct(void* storage, nsINode* ptr)
{
// nsINode is abstract, and all of its inherited instances have
// an overridden function with instructions to construct ubi::Nodes.
// We actually want to call that function and construct from those instances.
ptr->ConstructUbiNode(storage);
}
js::UniquePtr<EdgeRange>
JS::ubi::Concrete<nsINode>::edges(JSContext* cx, bool wantNames) const
{
AutoSuppressGCAnalysis suppress;
auto range = js::MakeUnique<SimpleEdgeRange>();
if (!range) {
return nullptr;
}
if (get().GetParent()) {
char16_t* edgeName = nullptr;
if (wantNames) {
edgeName = NS_strdup(u"Parent Node");
}
if (!range->addEdge(JS::ubi::Edge(edgeName, get().GetParent()))) {
return nullptr;
}
}
for (auto curr = get().GetFirstChild(); curr; curr = curr->GetNextSibling()) {
char16_t* edgeName = nullptr;
if (wantNames) {
edgeName = NS_strdup(u"Child Node");
}
if (!range->addEdge(JS::ubi::Edge(edgeName, curr))) {
return nullptr;
}
}
return js::UniquePtr<EdgeRange>(range.release());
}
JS::ubi::Node::Size
JS::ubi::Concrete<nsINode>::size(mozilla::MallocSizeOf mallocSizeOf) const
{
AutoSuppressGCAnalysis suppress;
mozilla::SizeOfState sz(mallocSizeOf);
nsWindowSizes wn(sz);
size_t n = 0;
get().AddSizeOfIncludingThis(wn, &n);
return n;
}
const char16_t*
JS::ubi::Concrete<nsINode>::descriptiveTypeName() const
{
return get().NodeName().get();
}
JS::ubi::Node::Size
JS::ubi::Concrete<nsIDocument>::size(mozilla::MallocSizeOf mallocSizeOf) const
{
AutoSuppressGCAnalysis suppress;
mozilla::SizeOfState sz(mallocSizeOf);
nsWindowSizes wn(sz);
getDoc().DocAddSizeOfIncludingThis(wn);
return wn.getTotalSize();
}