mirror of
https://github.com/classilla/tenfourfox.git
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130 lines
3.6 KiB
C++
130 lines
3.6 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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#include "nsCycleCollectionParticipant.h"
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#include "mozilla/CycleCollectedJSRuntime.h"
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#include "nsCOMPtr.h"
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#include "jsapi.h"
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#include "jsfriendapi.h"
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#ifdef MOZILLA_INTERNAL_API
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#include "nsString.h"
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#else
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#include "nsStringAPI.h"
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#endif
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void
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nsScriptObjectTracer::NoteJSChild(JS::GCCellPtr aGCThing, const char* aName,
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void* aClosure)
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{
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nsCycleCollectionTraversalCallback* cb =
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static_cast<nsCycleCollectionTraversalCallback*>(aClosure);
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NS_CYCLE_COLLECTION_NOTE_EDGE_NAME(*cb, aName);
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if (aGCThing.is<JSObject>()) {
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cb->NoteJSObject(&aGCThing.as<JSObject>());
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} else if (aGCThing.is<JSScript>()) {
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cb->NoteJSScript(&aGCThing.as<JSScript>());
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} else {
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MOZ_ASSERT(!mozilla::AddToCCKind(aGCThing.kind()));
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}
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}
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NS_IMETHODIMP_(void)
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nsXPCOMCycleCollectionParticipant::Root(void* aPtr)
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{
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nsISupports* s = static_cast<nsISupports*>(aPtr);
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NS_ADDREF(s);
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}
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NS_IMETHODIMP_(void)
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nsXPCOMCycleCollectionParticipant::Unroot(void* aPtr)
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{
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nsISupports* s = static_cast<nsISupports*>(aPtr);
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NS_RELEASE(s);
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}
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// We define a default trace function because some participants don't need
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// to trace anything, so it is okay for them not to define one.
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NS_IMETHODIMP_(void)
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nsXPCOMCycleCollectionParticipant::Trace(void* aPtr, const TraceCallbacks& aCb,
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void* aClosure)
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{
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}
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bool
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nsXPCOMCycleCollectionParticipant::CheckForRightISupports(nsISupports* aSupports)
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{
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nsISupports* foo;
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aSupports->QueryInterface(NS_GET_IID(nsCycleCollectionISupports),
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reinterpret_cast<void**>(&foo));
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return aSupports == foo;
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}
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void
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CycleCollectionNoteEdgeNameImpl(nsCycleCollectionTraversalCallback& aCallback,
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const char* aName,
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uint32_t aFlags)
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{
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nsAutoCString arrayEdgeName(aName);
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if (aFlags & CycleCollectionEdgeNameArrayFlag) {
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arrayEdgeName.AppendLiteral("[i]");
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}
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aCallback.NoteNextEdgeName(arrayEdgeName.get());
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}
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void
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TraceCallbackFunc::Trace(JS::Heap<JS::Value>* aPtr, const char* aName,
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void* aClosure) const
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{
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if (aPtr->isMarkable()) {
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mCallback(JS::GCCellPtr(*aPtr), aName, aClosure);
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}
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}
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void
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TraceCallbackFunc::Trace(JS::Heap<jsid>* aPtr, const char* aName,
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void* aClosure) const
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{
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if (JSID_IS_GCTHING(*aPtr)) {
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mCallback(JSID_TO_GCTHING(*aPtr), aName, aClosure);
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}
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}
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void
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TraceCallbackFunc::Trace(JS::Heap<JSObject*>* aPtr, const char* aName,
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void* aClosure) const
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{
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mCallback(JS::GCCellPtr(aPtr->get()), aName, aClosure);
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}
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void
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TraceCallbackFunc::Trace(JS::TenuredHeap<JSObject*>* aPtr, const char* aName,
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void* aClosure) const
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{
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mCallback(JS::GCCellPtr(aPtr->getPtr()), aName, aClosure);
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}
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void
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TraceCallbackFunc::Trace(JS::Heap<JSFunction*>* aPtr, const char* aName,
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void* aClosure) const
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{
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mCallback(JS::GCCellPtr(aPtr->get()), aName, aClosure);
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}
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void
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TraceCallbackFunc::Trace(JS::Heap<JSString*>* aPtr, const char* aName,
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void* aClosure) const
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{
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mCallback(JS::GCCellPtr(aPtr->get()), aName, aClosure);
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}
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void
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TraceCallbackFunc::Trace(JS::Heap<JSScript*>* aPtr, const char* aName,
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void* aClosure) const
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{
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mCallback(JS::GCCellPtr(aPtr->get()), aName, aClosure);
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}
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