bool ArrayData::hasInternalReference(PointerSet &vars,
bool ds /* = false */) const {
if (isSharedMap()) return false;
for (ArrayIter iter(this); iter; ++iter) {
CVarRef var = iter.secondRef();
if (var.isReferenced()) {
Variant *pvar = var.getRefData();
if (vars.find(pvar) != vars.end()) {
return true;
}
vars.insert(pvar);
}
if (var.isObject()) {
ObjectData *pobj = var.getObjectData();
if (vars.find(pobj) != vars.end()) {
return true;
}
vars.insert(pobj);
if (ds && pobj->instanceof(SystemLib::s_SerializableClass)) {
return true;
}
if (pobj->hasInternalReference(vars, ds)) {
return true;
}
} else if (var.isArray() &&
var.getArrayData()->hasInternalReference(vars, ds)) {
return true;
}
}
return false;
}
ObjectData *Variant::getArrayAccess() const {
assert(is(KindOfObject));
ObjectData *obj = getObjectData();
assert(obj);
if (!obj->instanceof(SystemLib::s_ArrayAccessClass)) {
throw InvalidOperandException("not ArrayAccess objects");
}
return obj;
}
static Variant f_hphp_get_iterator(VRefParam iterable, bool isMutable) {
if (iterable.isArray()) {
if (isMutable) {
return create_object(s_MutableArrayIterator,
CREATE_VECTOR1(ref(iterable)));
}
return create_object(s_ArrayIterator,
CREATE_VECTOR1(iterable));
}
if (iterable.isObject()) {
ObjectData *obj = iterable.getObjectData();
Variant iterator;
while (obj->instanceof(SystemLib::s_IteratorAggregateClass)) {
iterator = obj->o_invoke(s_getIterator, Array());
if (!iterator.isObject()) break;
obj = iterator.getObjectData();
}
VM::Class*ctx = g_vmContext->getContextClass();
CStrRef context = ctx ? ctx->nameRef() : empty_string;
if (isMutable) {
if (obj->instanceof(SystemLib::s_IteratorClass)) {
throw FatalErrorException("An iterator cannot be used for "
"iteration by reference");
}
Array properties = obj->o_toIterArray(context, true);
return create_object(s_MutableArrayIterator,
CREATE_VECTOR1(ref(properties)));
} else {
if (obj->instanceof(SystemLib::s_IteratorClass)) {
return obj;
}
return create_object(s_ArrayIterator,
CREATE_VECTOR1(obj->o_toIterArray(context)));
}
}
raise_warning("Invalid argument supplied for iteration");
if (isMutable) {
return create_object(s_MutableArrayIterator,
CREATE_VECTOR1(Array::Create()));
}
return create_object(s_ArrayIterator,
CREATE_VECTOR1(Array::Create()));
}
SharedVariant* SharedVariant::convertObj(CVarRef var) {
if (!var.is(KindOfObject) || getObjAttempted()) {
return nullptr;
}
setObjAttempted();
ObjectData *obj = var.getObjectData();
if (obj->instanceof(SystemLib::s_SerializableClass)) {
// should also check the object itself
return nullptr;
}
PointerSet seen;
if (obj->hasInternalReference(seen, true)) {
return nullptr;
}
SharedVariant *tmp = new SharedVariant(var, false, true, true);
tmp->setObjAttempted();
return tmp;
}
APCHandle* APCObject::MakeAPCObject(APCHandle* obj, CVarRef value) {
if (!value.is(KindOfObject) || obj->getObjAttempted()) {
return nullptr;
}
obj->setObjAttempted();
ObjectData *o = value.getObjectData();
if (o->instanceof(SystemLib::s_SerializableClass)) {
// should also check the object itself
return nullptr;
}
PointerSet seen;
if (o->hasInternalReference(seen, true)) {
return nullptr;
}
APCHandle* tmp = APCHandle::Create(value, false, true, true);
tmp->setObjAttempted();
return tmp;
}
bool f_is_callable(CVarRef v, bool syntax /* = false */,
VRefParam name /* = null */) {
bool ret = true;
if (LIKELY(!syntax)) {
CallerFrame cf;
ObjectData* obj = NULL;
HPHP::Class* cls = NULL;
StringData* invName = NULL;
const HPHP::Func* f = vm_decode_function(v, cf(), false, obj, cls,
invName, false);
if (f == NULL) {
ret = false;
}
if (invName != NULL) {
decRefStr(invName);
}
if (!name.isReferenced()) return ret;
}
auto const tv_func = v.asCell();
if (IS_STRING_TYPE(tv_func->m_type)) {
if (name.isReferenced()) name = tv_func->m_data.pstr;
return ret;
}
if (tv_func->m_type == KindOfArray) {
CArrRef arr = tv_func->m_data.parr;
CVarRef clsname = arr.rvalAtRef(int64_t(0));
CVarRef mthname = arr.rvalAtRef(int64_t(1));
if (arr.size() != 2 ||
&clsname == &null_variant ||
&mthname == &null_variant) {
name = v.toString();
return false;
}
auto const tv_meth = mthname.asCell();
if (!IS_STRING_TYPE(tv_meth->m_type)) {
if (name.isReferenced()) name = v.toString();
return false;
}
auto const tv_cls = clsname.asCell();
if (tv_cls->m_type == KindOfObject) {
name = tv_cls->m_data.pobj->o_getClassName();
} else if (IS_STRING_TYPE(tv_cls->m_type)) {
name = tv_cls->m_data.pstr;
} else {
name = v.toString();
return false;
}
name = concat3(name, s_colon2, tv_meth->m_data.pstr);
return ret;
}
if (tv_func->m_type == KindOfObject) {
ObjectData *d = tv_func->m_data.pobj;
const Func* invoke = d->getVMClass()->lookupMethod(s__invoke.get());
if (name.isReferenced()) {
if (d->instanceof(c_Closure::classof())) {
// Hack to stop the mangled name from showing up
name = s_Closure__invoke;
} else {
name = d->o_getClassName() + "::__invoke";
}
}
return invoke != NULL;
}
return false;
}
bool f_is_callable(CVarRef v, bool syntax /* = false */,
VRefParam name /* = null */) {
bool ret = true;
if (LIKELY(!syntax)) {
CallerFrame cf;
ObjectData* obj = NULL;
HPHP::VM::Class* cls = NULL;
StringData* invName = NULL;
const HPHP::VM::Func* f = vm_decode_function(v, cf(), false, obj, cls,
invName, false);
if (f == NULL) {
ret = false;
}
if (invName != NULL) {
decRefStr(invName);
}
if (!name.isReferenced()) return ret;
}
Variant::TypedValueAccessor tv_func = v.getTypedAccessor();
if (Variant::IsString(tv_func)) {
if (name.isReferenced()) name = Variant::GetStringData(tv_func);
return ret;
}
if (Variant::GetAccessorType(tv_func) == KindOfArray) {
CArrRef arr = Variant::GetAsArray(tv_func);
CVarRef clsname = arr.rvalAtRef(int64_t(0));
CVarRef mthname = arr.rvalAtRef(int64_t(1));
if (arr.size() != 2 ||
&clsname == &null_variant ||
&mthname == &null_variant) {
name = v.toString();
return false;
}
Variant::TypedValueAccessor tv_meth = mthname.getTypedAccessor();
if (!Variant::IsString(tv_meth)) {
if (name.isReferenced()) name = v.toString();
return false;
}
Variant::TypedValueAccessor tv_cls = clsname.getTypedAccessor();
if (Variant::GetAccessorType(tv_cls) == KindOfObject) {
name = Variant::GetObjectData(tv_cls)->o_getClassName();
} else if (Variant::IsString(tv_cls)) {
name = Variant::GetStringData(tv_cls);
} else {
name = v.toString();
return false;
}
name = concat3(name, "::", Variant::GetAsString(tv_meth));
return ret;
}
if (Variant::GetAccessorType(tv_func) == KindOfObject) {
ObjectData *d = Variant::GetObjectData(tv_func);
static const StringData* sd__invoke
= StringData::GetStaticString("__invoke");
const VM::Func* invoke = d->getVMClass()->lookupMethod(sd__invoke);
if (name.isReferenced()) {
if (d->instanceof(c_Closure::s_cls)) {
// Hack to stop the mangled name from showing up
name = "Closure::__invoke";
} else {
name = d->o_getClassName() + "::__invoke";
}
}
return invoke != NULL;
}
return false;
}
Object c_GenMapWaitHandle::ti_create(const Variant& dependencies) {
ObjectData* obj;
if (UNLIKELY(!dependencies.isObject() ||
!(obj = dependencies.getObjectData())->isCollection() ||
obj->collectionType() != CollectionType::Map)) {
Object e(SystemLib::AllocInvalidArgumentExceptionObject(
"Expected dependencies to be an instance of Map"));
throw e;
}
assert(obj->instanceof(c_Map::classof()));
auto deps = SmartPtr<c_Map>::attach(c_Map::Clone(obj));
for (ssize_t iter_pos = deps->iter_begin();
deps->iter_valid(iter_pos);
iter_pos = deps->iter_next(iter_pos)) {
auto* current = tvAssertCell(deps->iter_value(iter_pos));
if (UNLIKELY(!c_WaitHandle::fromCell(current))) {
Object e(SystemLib::AllocInvalidArgumentExceptionObject(
"Expected dependencies to be a map of WaitHandle instances"));
throw e;
}
}
Object exception;
for (ssize_t iter_pos = deps->iter_begin();
deps->iter_valid(iter_pos);
iter_pos = deps->iter_next(iter_pos)) {
auto* current = tvAssertCell(deps->iter_value(iter_pos));
assert(current->m_type == KindOfObject);
assert(current->m_data.pobj->instanceof(c_WaitHandle::classof()));
auto child = static_cast<c_WaitHandle*>(current->m_data.pobj);
if (child->isSucceeded()) {
auto k = deps->iter_key(iter_pos);
auto result = child->getResult();
deps->set(k.asCell(), &result);
} else if (child->isFailed()) {
putException(exception, child->getException());
} else {
assert(child->instanceof(c_WaitableWaitHandle::classof()));
auto child_wh = static_cast<c_WaitableWaitHandle*>(child);
auto my_wh = makeSmartPtr<c_GenMapWaitHandle>();
my_wh->initialize(exception, deps.get(), iter_pos, child_wh);
AsioSession* session = AsioSession::Get();
if (UNLIKELY(session->hasOnGenMapCreateCallback())) {
session->onGenMapCreate(my_wh.get(), dependencies);
}
return Object(std::move(my_wh));
}
}
if (exception.isNull()) {
return Object::attach(c_StaticWaitHandle::CreateSucceeded(
make_tv<KindOfObject>(deps.detach())));
} else {
return Object::attach(c_StaticWaitHandle::CreateFailed(exception.detach()));
}
}