зеркало из https://github.com/mozilla/gecko-dev.git
86 строки
2.6 KiB
C++
86 строки
2.6 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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* vim: set ts=8 sts=4 et sw=4 tw=99:
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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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using mozilla::dom::Attr;
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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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{
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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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{
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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) { new (storage) Concrete(ptr); }
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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<nsIDocument> : public Concrete<nsINode>
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{
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protected:
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explicit Concrete(nsIDocument *ptr) : Concrete<nsINode>(ptr) { }
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public:
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static void construct(void *storage, nsIDocument *ptr) { new (storage) Concrete(ptr); }
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Size size(mozilla::MallocSizeOf mallocSizeOf) const override;
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nsIDocument& getDoc() const { return *static_cast<nsIDocument*>(ptr); }
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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<Attr> : public Concrete<nsINode>
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{
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protected:
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explicit Concrete(Attr *ptr) : Concrete<nsINode>(ptr) { }
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public:
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static void construct(void *storage, Attr *ptr) { new (storage) Concrete(ptr); }
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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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