tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
Log | Files | Refs | README | LICENSE

NodeUbiReporting.cpp (2534B)

      1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
      2 * vim: set ts=8 sts=2 et sw=2 tw=80:
      3 * This Source Code Form is subject to the terms of the Mozilla Public
      4 * License, v. 2.0. If a copy of the MPL was not distributed with this
      5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
      6 
      7 #include "NodeUbiReporting.h"
      8 
      9 #include "js/UbiNodeUtils.h"
     10 #include "nsWindowSizes.h"
     11 
     12 using JS::ubi::EdgeRange;
     13 using JS::ubi::SimpleEdgeRange;
     14 
     15 const char16_t JS::ubi::Concrete<mozilla::dom::Document>::concreteTypeName[] =
     16    u"Document";
     17 const char16_t JS::ubi::Concrete<nsIContent>::concreteTypeName[] =
     18    u"nsIContent";
     19 const char16_t JS::ubi::Concrete<mozilla::dom::Attr>::concreteTypeName[] =
     20    u"Attr";
     21 
     22 void JS::ubi::Concrete<nsINode>::construct(void* storage, nsINode* ptr) {
     23  // nsINode is abstract, and all of its inherited instances have
     24  // an overridden function with instructions to construct ubi::Nodes.
     25  // We actually want to call that function and construct from those instances.
     26  ptr->ConstructUbiNode(storage);
     27 }
     28 
     29 js::UniquePtr<EdgeRange> JS::ubi::Concrete<nsINode>::edges(
     30    JSContext* cx, bool wantNames) const {
     31  AutoSuppressGCAnalysis suppress;
     32  auto range = js::MakeUnique<SimpleEdgeRange>();
     33  if (!range) {
     34    return nullptr;
     35  }
     36  if (get().GetParent()) {
     37    char16_t* edgeName = nullptr;
     38    if (wantNames) {
     39      edgeName = NS_xstrdup(u"Parent Node");
     40    }
     41    if (!range->addEdge(JS::ubi::Edge(edgeName, get().GetParent()))) {
     42      return nullptr;
     43    }
     44  }
     45  for (auto curr = get().GetFirstChild(); curr; curr = curr->GetNextSibling()) {
     46    char16_t* edgeName = nullptr;
     47    if (wantNames) {
     48      edgeName = NS_xstrdup(u"Child Node");
     49    }
     50    if (!range->addEdge(JS::ubi::Edge(edgeName, curr))) {
     51      return nullptr;
     52    }
     53  }
     54  return js::UniquePtr<EdgeRange>(range.release());
     55 }
     56 
     57 JS::ubi::Node::Size JS::ubi::Concrete<nsINode>::size(
     58    mozilla::MallocSizeOf mallocSizeOf) const {
     59  AutoSuppressGCAnalysis suppress;
     60  mozilla::SizeOfState sz(mallocSizeOf);
     61  nsWindowSizes wn(sz);
     62  size_t n = 0;
     63  get().AddSizeOfIncludingThis(wn, &n);
     64  return n;
     65 }
     66 
     67 const char16_t* JS::ubi::Concrete<nsINode>::descriptiveTypeName() const {
     68  return get().NodeName().get();
     69 }
     70 
     71 JS::ubi::Node::Size JS::ubi::Concrete<mozilla::dom::Document>::size(
     72    mozilla::MallocSizeOf mallocSizeOf) const {
     73  AutoSuppressGCAnalysis suppress;
     74  mozilla::SizeOfState sz(mallocSizeOf);
     75  nsWindowSizes wn(sz);
     76  getDoc().DocAddSizeOfIncludingThis(wn);
     77  return wn.getTotalSize();
     78 }