inline void
AutoGCRooter::trace(JSTracer* trc)
{
switch (tag_) {
case PARSER:
frontend::MarkParser(trc, this);
return;
case IDARRAY: {
JSIdArray* ida = static_cast<AutoIdArray*>(this)->idArray;
TraceRange(trc, ida->length, ida->begin(), "JS::AutoIdArray.idArray");
return;
}
case DESCVECTOR: {
AutoPropertyDescriptorVector::VectorImpl& descriptors =
static_cast<AutoPropertyDescriptorVector*>(this)->vector;
for (size_t i = 0, len = descriptors.length(); i < len; i++)
descriptors[i].trace(trc);
return;
}
case VALVECTOR: {
AutoValueVector::VectorImpl& vector = static_cast<AutoValueVector*>(this)->vector;
TraceRootRange(trc, vector.length(), vector.begin(), "JS::AutoValueVector.vector");
return;
}
case IDVECTOR: {
AutoIdVector::VectorImpl& vector = static_cast<AutoIdVector*>(this)->vector;
TraceRootRange(trc, vector.length(), vector.begin(), "JS::AutoIdVector.vector");
return;
}
case IDVALVECTOR: {
AutoIdValueVector::VectorImpl& vector = static_cast<AutoIdValueVector*>(this)->vector;
for (size_t i = 0; i < vector.length(); i++) {
TraceRoot(trc, &vector[i].id, "js::AutoIdValueVector id");
TraceRoot(trc, &vector[i].value, "js::AutoIdValueVector value");
}
return;
}
case SHAPEVECTOR: {
AutoShapeVector::VectorImpl& vector = static_cast<js::AutoShapeVector*>(this)->vector;
TraceRootRange(trc, vector.length(), const_cast<Shape**>(vector.begin()),
"js::AutoShapeVector.vector");
return;
}
case OBJVECTOR: {
AutoObjectVector::VectorImpl& vector = static_cast<AutoObjectVector*>(this)->vector;
TraceRootRange(trc, vector.length(), vector.begin(), "JS::AutoObjectVector.vector");
return;
}
case STRINGVECTOR: {
AutoStringVector::VectorImpl& vector = static_cast<AutoStringVector*>(this)->vector;
TraceRootRange(trc, vector.length(), vector.begin(), "js::AutoStringVector.vector");
return;
}
case NAMEVECTOR: {
AutoNameVector::VectorImpl& vector = static_cast<AutoNameVector*>(this)->vector;
TraceRootRange(trc, vector.length(), vector.begin(), "js::AutoNameVector.vector");
return;
}
case VALARRAY: {
/*
* We don't know the template size parameter, but we can safely treat it
* as an AutoValueArray<1> because the length is stored separately.
*/
AutoValueArray<1>* array = static_cast<AutoValueArray<1>*>(this);
TraceRootRange(trc, array->length(), array->begin(), "js::AutoValueArray");
return;
}
case SCRIPTVECTOR: {
AutoScriptVector::VectorImpl& vector = static_cast<AutoScriptVector*>(this)->vector;
TraceRootRange(trc, vector.length(), vector.begin(), "js::AutoScriptVector.vector");
return;
}
case HASHABLEVALUE: {
AutoHashableValueRooter* rooter = static_cast<AutoHashableValueRooter*>(this);
rooter->trace(trc);
return;
}
case IONMASM: {
static_cast<js::jit::MacroAssembler::AutoRooter*>(this)->masm()->trace(trc);
return;
}
case WRAPPER: {
/*
* We need to use TraceManuallyBarrieredEdge here because we mark
* wrapper roots in every slice. This is because of some rule-breaking
* in RemapAllWrappersForObject; see comment there.
*/
TraceManuallyBarrieredEdge(trc, &static_cast<AutoWrapperRooter*>(this)->value.get(),
"JS::AutoWrapperRooter.value");
return;
}
case WRAPVECTOR: {
AutoWrapperVector::VectorImpl& vector = static_cast<AutoWrapperVector*>(this)->vector;
/*
* We need to use TraceManuallyBarrieredEdge here because we mark
* wrapper roots in every slice. This is because of some rule-breaking
* in RemapAllWrappersForObject; see comment there.
*/
for (WrapperValue* p = vector.begin(); p < vector.end(); p++)
TraceManuallyBarrieredEdge(trc, &p->get(), "js::AutoWrapperVector.vector");
return;
}
case JSONPARSER:
static_cast<js::JSONParserBase*>(this)->trace(trc);
return;
case CUSTOM:
static_cast<JS::CustomAutoRooter*>(this)->trace(trc);
return;
}
MOZ_ASSERT(tag_ >= 0);
if (Value* vp = static_cast<AutoArrayRooter*>(this)->array)
TraceRootRange(trc, tag_, vp, "JS::AutoArrayRooter.array");
}
inline void
AutoGCRooter::trace(JSTracer* trc)
{
switch (tag_) {
case PARSER:
frontend::MarkParser(trc, this);
return;
case IDARRAY: {
JSIdArray* ida = static_cast<AutoIdArray*>(this)->idArray;
TraceRange(trc, ida->length, ida->begin(), "JS::AutoIdArray.idArray");
return;
}
case DESCVECTOR: {
AutoPropertyDescriptorVector::VectorImpl& descriptors =
static_cast<AutoPropertyDescriptorVector*>(this)->vector;
for (size_t i = 0, len = descriptors.length(); i < len; i++)
descriptors[i].trace(trc);
return;
}
case VALVECTOR: {
AutoValueVector::VectorImpl& vector = static_cast<AutoValueVector*>(this)->vector;
TraceRootRange(trc, vector.length(), vector.begin(), "js::AutoValueVector.vector");
return;
}
case IDVECTOR: {
AutoIdVector::VectorImpl& vector = static_cast<AutoIdVector*>(this)->vector;
TraceRootRange(trc, vector.length(), vector.begin(), "js::AutoIdVector.vector");
return;
}
case IDVALVECTOR: {
AutoIdValueVector::VectorImpl& vector = static_cast<AutoIdValueVector*>(this)->vector;
for (size_t i = 0; i < vector.length(); i++) {
TraceRoot(trc, &vector[i].id, "js::AutoIdValueVector id");
TraceRoot(trc, &vector[i].value, "js::AutoIdValueVector value");
}
return;
}
case SHAPEVECTOR: {
AutoShapeVector::VectorImpl& vector = static_cast<js::AutoShapeVector*>(this)->vector;
TraceRootRange(trc, vector.length(), const_cast<Shape**>(vector.begin()),
"js::AutoShapeVector.vector");
return;
}
case OBJVECTOR: {
AutoObjectVector::VectorImpl& vector = static_cast<AutoObjectVector*>(this)->vector;
TraceRootRange(trc, vector.length(), vector.begin(), "js::AutoObjectVector.vector");
return;
}
case FUNVECTOR: {
AutoFunctionVector::VectorImpl& vector = static_cast<AutoFunctionVector*>(this)->vector;
TraceRootRange(trc, vector.length(), vector.begin(), "js::AutoFunctionVector.vector");
return;
}
case STRINGVECTOR: {
AutoStringVector::VectorImpl& vector = static_cast<AutoStringVector*>(this)->vector;
TraceRootRange(trc, vector.length(), vector.begin(), "js::AutoStringVector.vector");
return;
}
case NAMEVECTOR: {
AutoNameVector::VectorImpl& vector = static_cast<AutoNameVector*>(this)->vector;
TraceRootRange(trc, vector.length(), vector.begin(), "js::AutoNameVector.vector");
return;
}
case VALARRAY: {
/*
* We don't know the template size parameter, but we can safely treat it
* as an AutoValueArray<1> because the length is stored separately.
*/
AutoValueArray<1>* array = static_cast<AutoValueArray<1>*>(this);
TraceRootRange(trc, array->length(), array->begin(), "js::AutoValueArray");
return;
}
case SCRIPTVECTOR: {
AutoScriptVector::VectorImpl& vector = static_cast<AutoScriptVector*>(this)->vector;
TraceRootRange(trc, vector.length(), vector.begin(), "js::AutoScriptVector.vector");
return;
}
case OBJOBJHASHMAP: {
AutoObjectObjectHashMap::HashMapImpl& map = static_cast<AutoObjectObjectHashMap*>(this)->map;
for (AutoObjectObjectHashMap::Enum e(map); !e.empty(); e.popFront()) {
TraceRoot(trc, &e.front().value(), "AutoObjectObjectHashMap value");
trc->setTracingLocation((void*)&e.front().key());
JSObject* key = e.front().key();
TraceRoot(trc, &key, "AutoObjectObjectHashMap key");
if (key != e.front().key())
e.rekeyFront(key);
}
return;
}
case OBJU32HASHMAP: {
AutoObjectUnsigned32HashMap* self = static_cast<AutoObjectUnsigned32HashMap*>(this);
AutoObjectUnsigned32HashMap::HashMapImpl& map = self->map;
for (AutoObjectUnsigned32HashMap::Enum e(map); !e.empty(); e.popFront()) {
JSObject* key = e.front().key();
TraceRoot(trc, &key, "AutoObjectUnsignedHashMap key");
if (key != e.front().key())
e.rekeyFront(key);
}
return;
}
case OBJHASHSET: {
AutoObjectHashSet* self = static_cast<AutoObjectHashSet*>(this);
AutoObjectHashSet::HashSetImpl& set = self->set;
for (AutoObjectHashSet::Enum e(set); !e.empty(); e.popFront()) {
JSObject* obj = e.front();
TraceRoot(trc, &obj, "AutoObjectHashSet value");
if (obj != e.front())
e.rekeyFront(obj);
}
return;
}
case HASHABLEVALUE: {
AutoHashableValueRooter* rooter = static_cast<AutoHashableValueRooter*>(this);
rooter->trace(trc);
return;
}
case IONMASM: {
static_cast<js::jit::MacroAssembler::AutoRooter*>(this)->masm()->trace(trc);
return;
}
case WRAPPER: {
/*
* We need to use TraceManuallyBarrieredEdge here because we mark
* wrapper roots in every slice. This is because of some rule-breaking
* in RemapAllWrappersForObject; see comment there.
*/
TraceManuallyBarrieredEdge(trc, &static_cast<AutoWrapperRooter*>(this)->value.get(),
"JS::AutoWrapperRooter.value");
return;
}
case WRAPVECTOR: {
AutoWrapperVector::VectorImpl& vector = static_cast<AutoWrapperVector*>(this)->vector;
/*
* We need to use TraceManuallyBarrieredEdge here because we mark
* wrapper roots in every slice. This is because of some rule-breaking
* in RemapAllWrappersForObject; see comment there.
*/
for (WrapperValue* p = vector.begin(); p < vector.end(); p++)
TraceManuallyBarrieredEdge(trc, &p->get(), "js::AutoWrapperVector.vector");
return;
}
case JSONPARSER:
static_cast<js::JSONParserBase*>(this)->trace(trc);
return;
case CUSTOM:
static_cast<JS::CustomAutoRooter*>(this)->trace(trc);
return;
}
MOZ_ASSERT(tag_ >= 0);
if (Value* vp = static_cast<AutoArrayRooter*>(this)->array)
TraceRootRange(trc, tag_, vp, "JS::AutoArrayRooter.array");
}
