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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
commit36d22d82aa202bb199967e9512281e9a53db42c9 (patch)
tree105e8c98ddea1c1e4784a60a5a6410fa416be2de /devtools/shared/heapsnapshot/DominatorTree.h
parentInitial commit. (diff)
downloadfirefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz
firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip
Adding upstream version 115.7.0esr.upstream/115.7.0esr
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'devtools/shared/heapsnapshot/DominatorTree.h')
-rw-r--r--devtools/shared/heapsnapshot/DominatorTree.h66
1 files changed, 66 insertions, 0 deletions
diff --git a/devtools/shared/heapsnapshot/DominatorTree.h b/devtools/shared/heapsnapshot/DominatorTree.h
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+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2; -*- */
+/* 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/. */
+
+#ifndef mozilla_devtools_DominatorTree__
+#define mozilla_devtools_DominatorTree__
+
+#include "mozilla/devtools/HeapSnapshot.h"
+#include "mozilla/dom/BindingDeclarations.h"
+#include "mozilla/RefCounted.h"
+#include "js/UbiNodeDominatorTree.h"
+#include "nsWrapperCache.h"
+
+namespace mozilla {
+class ErrorResult;
+
+namespace devtools {
+
+class DominatorTree final : public nsISupports, public nsWrapperCache {
+ protected:
+ nsCOMPtr<nsISupports> mParent;
+
+ virtual ~DominatorTree() {}
+
+ private:
+ JS::ubi::DominatorTree mDominatorTree;
+ RefPtr<HeapSnapshot> mHeapSnapshot;
+
+ public:
+ explicit DominatorTree(JS::ubi::DominatorTree&& aDominatorTree,
+ HeapSnapshot* aHeapSnapshot, nsISupports* aParent)
+ : mParent(aParent),
+ mDominatorTree(std::move(aDominatorTree)),
+ mHeapSnapshot(aHeapSnapshot) {
+ MOZ_ASSERT(aParent);
+ MOZ_ASSERT(aHeapSnapshot);
+ };
+
+ NS_DECL_CYCLE_COLLECTING_ISUPPORTS;
+ NS_DECL_CYCLE_COLLECTION_WRAPPERCACHE_CLASS(DominatorTree);
+
+ nsISupports* GetParentObject() const { return mParent; }
+
+ virtual JSObject* WrapObject(JSContext* aCx,
+ JS::Handle<JSObject*> aGivenProto) override;
+
+ // readonly attribute NodeId root
+ uint64_t Root() const { return mDominatorTree.root().identifier(); }
+
+ // [Throws] NodeSize getRetainedSize(NodeId node)
+ dom::Nullable<uint64_t> GetRetainedSize(uint64_t aNodeId, ErrorResult& aRv);
+
+ // [Throws] sequence<NodeId>? getImmediatelyDominated(NodeId node);
+ void GetImmediatelyDominated(uint64_t aNodeId,
+ dom::Nullable<nsTArray<uint64_t>>& aOutDominated,
+ ErrorResult& aRv);
+
+ // NodeId? getImmediateDominator(NodeId node);
+ dom::Nullable<uint64_t> GetImmediateDominator(uint64_t aNodeId) const;
+};
+
+} // namespace devtools
+} // namespace mozilla
+
+#endif // mozilla_devtools_DominatorTree__