зеркало из https://github.com/mozilla/gecko-dev.git
88 строки
2.7 KiB
C++
88 строки
2.7 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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* vim: set ts=8 sts=2 et sw=2 tw=80:
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef dom_NodeUbiReporting_h
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#define dom_NodeUbiReporting_h
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#include "nsINode.h"
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#include "js/UbiNode.h"
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/*
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* This file defines specializations of JS::ubi::Concrete for DOM nodes
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* so that the JS memory tools, which operate on the UbiNode graph, can
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* define subclasses of JS::ubi::Base that represent DOM nodes and
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* yield the outgoing edges in a DOM node graph for reporting.
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*/
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namespace JS {
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namespace ubi {
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// The DOM node base class.
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// This is an abstract class and therefore does not require a concreteTypeName.
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template <>
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class Concrete<nsINode> : public Base {
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protected:
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explicit Concrete(nsINode *ptr) : Base(ptr) {}
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public:
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static void construct(void *storage, nsINode *ptr);
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Size size(mozilla::MallocSizeOf mallocSizeOf) const override;
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js::UniquePtr<EdgeRange> edges(JSContext *cx, bool wantNames) const override;
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nsINode &get() const { return *static_cast<nsINode *>(ptr); }
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CoarseType coarseType() const final { return CoarseType::DOMNode; }
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const char16_t *descriptiveTypeName() const override;
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};
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template <>
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class Concrete<nsIContent> : public Concrete<nsINode> {
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protected:
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explicit Concrete(nsIContent *ptr) : Concrete<nsINode>(ptr) {}
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public:
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static void construct(void *storage, nsIContent *ptr) {
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new (storage) Concrete(ptr);
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}
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const char16_t *typeName() const override { return concreteTypeName; };
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static const char16_t concreteTypeName[];
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};
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template <>
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class Concrete<mozilla::dom::Document> : public Concrete<nsINode> {
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protected:
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explicit Concrete(mozilla::dom::Document *ptr) : Concrete<nsINode>(ptr) {}
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public:
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static void construct(void *storage, mozilla::dom::Document *ptr) {
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new (storage) Concrete(ptr);
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}
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Size size(mozilla::MallocSizeOf mallocSizeOf) const override;
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mozilla::dom::Document &getDoc() const {
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return *static_cast<mozilla::dom::Document *>(ptr);
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}
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const char16_t *typeName() const override { return concreteTypeName; };
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static const char16_t concreteTypeName[];
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};
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template <>
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class Concrete<mozilla::dom::Attr> : public Concrete<nsINode> {
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protected:
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explicit Concrete(mozilla::dom::Attr *ptr) : Concrete<nsINode>(ptr) {}
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public:
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static void construct(void *storage, mozilla::dom::Attr *ptr) {
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new (storage) Concrete(ptr);
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}
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const char16_t *typeName() const override { return concreteTypeName; };
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static const char16_t concreteTypeName[];
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};
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} // namespace ubi
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} // namespace JS
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#endif
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