1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
3 /* This Source Code Form is subject to the terms of the Mozilla Public
4 * License, v. 2.0. If a copy of the MPL was not distributed with this
5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
6
7 #include "nsCycleCollectionParticipant.h"
8 #include "nsString.h"
9 #include "nsWrapperCache.h"
10 #include "jsapi.h"
11 #include "jsfriendapi.h"
12
CycleCollectionNoteEdgeNameImpl(nsCycleCollectionTraversalCallback & aCallback,const char * aName,uint32_t aFlags)13 void CycleCollectionNoteEdgeNameImpl(
14 nsCycleCollectionTraversalCallback& aCallback, const char* aName,
15 uint32_t aFlags) {
16 nsAutoCString arrayEdgeName(aName);
17 if (aFlags & CycleCollectionEdgeNameArrayFlag) {
18 arrayEdgeName.AppendLiteral("[i]");
19 }
20 aCallback.NoteNextEdgeName(arrayEdgeName.get());
21 }
22
NoteJSChild(JS::GCCellPtr aGCThing,const char * aName,void * aClosure)23 void nsCycleCollectionParticipant::NoteJSChild(JS::GCCellPtr aGCThing,
24 const char* aName,
25 void* aClosure) {
26 nsCycleCollectionTraversalCallback* cb =
27 static_cast<nsCycleCollectionTraversalCallback*>(aClosure);
28 NS_CYCLE_COLLECTION_NOTE_EDGE_NAME(*cb, aName);
29 if (JS::IsCCTraceKind(aGCThing.kind())) {
30 cb->NoteJSChild(aGCThing);
31 }
32 }
33
Trace(JS::Heap<JS::Value> * aPtr,const char * aName,void * aClosure) const34 void TraceCallbackFunc::Trace(JS::Heap<JS::Value>* aPtr, const char* aName,
35 void* aClosure) const {
36 if (aPtr->unbarrieredGet().isGCThing()) {
37 mCallback(aPtr->unbarrieredGet().toGCCellPtr(), aName, aClosure);
38 }
39 }
40
Trace(JS::Heap<jsid> * aPtr,const char * aName,void * aClosure) const41 void TraceCallbackFunc::Trace(JS::Heap<jsid>* aPtr, const char* aName,
42 void* aClosure) const {
43 if (aPtr->unbarrieredGet().isGCThing()) {
44 mCallback(aPtr->unbarrieredGet().toGCCellPtr(), aName, aClosure);
45 }
46 }
47
Trace(JS::Heap<JSObject * > * aPtr,const char * aName,void * aClosure) const48 void TraceCallbackFunc::Trace(JS::Heap<JSObject*>* aPtr, const char* aName,
49 void* aClosure) const {
50 if (*aPtr) {
51 mCallback(JS::GCCellPtr(aPtr->unbarrieredGet()), aName, aClosure);
52 }
53 }
54
Trace(nsWrapperCache * aPtr,const char * aName,void * aClosure) const55 void TraceCallbackFunc::Trace(nsWrapperCache* aPtr, const char* aName,
56 void* aClosure) const {
57 JSObject* obj = aPtr->GetWrapperPreserveColor();
58 if (obj) {
59 mCallback(JS::GCCellPtr(obj), aName, aClosure);
60 }
61 }
62
Trace(JS::TenuredHeap<JSObject * > * aPtr,const char * aName,void * aClosure) const63 void TraceCallbackFunc::Trace(JS::TenuredHeap<JSObject*>* aPtr,
64 const char* aName, void* aClosure) const {
65 if (*aPtr) {
66 mCallback(JS::GCCellPtr(aPtr->unbarrieredGetPtr()), aName, aClosure);
67 }
68 }
69
Trace(JS::Heap<JSFunction * > * aPtr,const char * aName,void * aClosure) const70 void TraceCallbackFunc::Trace(JS::Heap<JSFunction*>* aPtr, const char* aName,
71 void* aClosure) const {
72 if (*aPtr) {
73 mCallback(JS::GCCellPtr(aPtr->unbarrieredGet()), aName, aClosure);
74 }
75 }
76
Trace(JS::Heap<JSString * > * aPtr,const char * aName,void * aClosure) const77 void TraceCallbackFunc::Trace(JS::Heap<JSString*>* aPtr, const char* aName,
78 void* aClosure) const {
79 if (*aPtr) {
80 mCallback(JS::GCCellPtr(aPtr->unbarrieredGet()), aName, aClosure);
81 }
82 }
83
Trace(JS::Heap<JSScript * > * aPtr,const char * aName,void * aClosure) const84 void TraceCallbackFunc::Trace(JS::Heap<JSScript*>* aPtr, const char* aName,
85 void* aClosure) const {
86 if (*aPtr) {
87 mCallback(JS::GCCellPtr(aPtr->unbarrieredGet()), aName, aClosure);
88 }
89 }
90