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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /xpcom/base/nsCycleCollectorTraceJSHelpers.cpp
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'xpcom/base/nsCycleCollectorTraceJSHelpers.cpp')
-rw-r--r--xpcom/base/nsCycleCollectorTraceJSHelpers.cpp105
1 files changed, 105 insertions, 0 deletions
diff --git a/xpcom/base/nsCycleCollectorTraceJSHelpers.cpp b/xpcom/base/nsCycleCollectorTraceJSHelpers.cpp
new file mode 100644
index 000000000..eb06a389c
--- /dev/null
+++ b/xpcom/base/nsCycleCollectorTraceJSHelpers.cpp
@@ -0,0 +1,105 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* 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/. */
+
+#include "nsCycleCollectionParticipant.h"
+#include "jsapi.h"
+#include "jsfriendapi.h"
+
+void
+CycleCollectionNoteEdgeNameImpl(nsCycleCollectionTraversalCallback& aCallback,
+ const char* aName,
+ uint32_t aFlags)
+{
+ nsAutoCString arrayEdgeName(aName);
+ if (aFlags & CycleCollectionEdgeNameArrayFlag) {
+ arrayEdgeName.AppendLiteral("[i]");
+ }
+ aCallback.NoteNextEdgeName(arrayEdgeName.get());
+}
+
+void
+nsScriptObjectTracer::NoteJSChild(JS::GCCellPtr aGCThing, const char* aName,
+ void* aClosure)
+{
+ nsCycleCollectionTraversalCallback* cb =
+ static_cast<nsCycleCollectionTraversalCallback*>(aClosure);
+ NS_CYCLE_COLLECTION_NOTE_EDGE_NAME(*cb, aName);
+ if (mozilla::AddToCCKind(aGCThing.kind())) {
+ cb->NoteJSChild(aGCThing);
+ }
+}
+
+void
+TraceCallbackFunc::Trace(JS::Heap<JS::Value>* aPtr, const char* aName,
+ void* aClosure) const
+{
+ if (aPtr->unbarrieredGet().isMarkable()) {
+ mCallback(JS::GCCellPtr(aPtr->unbarrieredGet()), aName, aClosure);
+ }
+}
+
+void
+TraceCallbackFunc::Trace(JS::Heap<jsid>* aPtr, const char* aName,
+ void* aClosure) const
+{
+ if (JSID_IS_GCTHING(aPtr->unbarrieredGet())) {
+ mCallback(JSID_TO_GCTHING(aPtr->unbarrieredGet()), aName, aClosure);
+ }
+}
+
+void
+TraceCallbackFunc::Trace(JS::Heap<JSObject*>* aPtr, const char* aName,
+ void* aClosure) const
+{
+ if (*aPtr) {
+ mCallback(JS::GCCellPtr(aPtr->unbarrieredGet()), aName, aClosure);
+ }
+}
+
+void
+TraceCallbackFunc::Trace(JSObject** aPtr, const char* aName,
+ void* aClosure) const
+{
+ if (*aPtr) {
+ mCallback(JS::GCCellPtr(*aPtr), aName, aClosure);
+ }
+}
+
+void
+TraceCallbackFunc::Trace(JS::TenuredHeap<JSObject*>* aPtr, const char* aName,
+ void* aClosure) const
+{
+ if (*aPtr) {
+ mCallback(JS::GCCellPtr(aPtr->unbarrieredGetPtr()), aName, aClosure);
+ }
+}
+
+void
+TraceCallbackFunc::Trace(JS::Heap<JSFunction*>* aPtr, const char* aName,
+ void* aClosure) const
+{
+ if (*aPtr) {
+ mCallback(JS::GCCellPtr(aPtr->unbarrieredGet()), aName, aClosure);
+ }
+}
+
+void
+TraceCallbackFunc::Trace(JS::Heap<JSString*>* aPtr, const char* aName,
+ void* aClosure) const
+{
+ if (*aPtr) {
+ mCallback(JS::GCCellPtr(aPtr->unbarrieredGet()), aName, aClosure);
+ }
+}
+
+void
+TraceCallbackFunc::Trace(JS::Heap<JSScript*>* aPtr, const char* aName,
+ void* aClosure) const
+{
+ if (*aPtr) {
+ mCallback(JS::GCCellPtr(aPtr->unbarrieredGet()), aName, aClosure);
+ }
+}