SharedVariant::SharedVariant(CVarRef source, bool serialized,
bool inner /* = false */,
bool unserializeObj /* = false */)
: m_count (1), m_shouldCache(false), m_flags(0){
ASSERT(!serialized || source.isString());
m_type = source.getType();
switch (m_type) {
case KindOfBoolean:
{
m_data.num = source.toBoolean();
break;
}
case KindOfByte:
case KindOfInt16:
case KindOfInt32:
case KindOfInt64:
{
m_type = KindOfInt64;
m_data.num = source.toInt64();
break;
}
case KindOfDouble:
{
m_data.dbl = source.toDouble();
break;
}
case KindOfStaticString:
case KindOfString:
{
String s = source.toString();
if (serialized) {
m_type = KindOfObject;
// It is priming, and there might not be the right class definitions
// for unserialization.
s = apc_reserialize(s);
}
m_data.str = s->copy(true);
break;
}
case KindOfArray:
{
ArrayData *arr = source.getArrayData();
if (!inner) {
// only need to call hasInternalReference() on the toplevel array
PointerSet seen;
if (arr->hasInternalReference(seen)) {
setSerializedArray();
m_shouldCache = true;
String s = apc_serialize(source);
m_data.str = new StringData(s.data(), s.size(), CopyString);
break;
}
}
size_t size = arr->size();
if (arr->isVectorData()) {
setIsVector();
m_data.vec = new VectorData(size);
uint i = 0;
for (ArrayIter it(arr); !it.end(); it.next(), i++) {
SharedVariant* val = Create(it.secondRef(), false, true,
unserializeObj);
if (val->m_shouldCache) m_shouldCache = true;
m_data.vec->vals[i] = val;
}
} else {
m_data.map = new ImmutableMap(size);
for (ArrayIter it(arr); !it.end(); it.next()) {
SharedVariant* key = Create(it.first(), false, true,
unserializeObj);
SharedVariant* val = Create(it.secondRef(), false, true,
unserializeObj);
if (val->m_shouldCache) m_shouldCache = true;
m_data.map->add(key, val);
}
}
break;
}
case KindOfNull:
{
m_data.num = 0;
break;
}
default:
{
ASSERT(source.isObject());
m_shouldCache = true;
if (unserializeObj) {
// This assumes hasInternalReference(seen, true) is false
ImmutableObj* obj = new ImmutableObj(source.getObjectData());
m_data.obj = obj;
setIsObj();
} else {
String s = apc_serialize(source);
m_data.str = new StringData(s.data(), s.size(), CopyString);
}
break;
}
}
}
SharedVariant::SharedVariant(CVarRef source, bool serialized,
bool inner /* = false */,
bool unserializeObj /* = false */)
: m_shouldCache(false), m_flags(0) {
assert(!serialized || source.isString());
m_count = 1;
m_type = source.getType();
switch (m_type) {
case KindOfBoolean:
{
m_data.num = source.toBoolean();
break;
}
case KindOfInt64:
{
m_type = KindOfInt64;
m_data.num = source.toInt64();
break;
}
case KindOfDouble:
{
m_data.dbl = source.toDouble();
break;
}
case KindOfStaticString:
{
if (serialized) goto StringCase;
m_data.str = source.getStringData();
break;
}
StringCase:
case KindOfString:
{
String s = source.toString();
if (serialized) {
m_type = KindOfObject;
// It is priming, and there might not be the right class definitions
// for unserialization.
s = apc_reserialize(s);
}
StringData* st = StringData::LookupStaticString(s.get());
if (st) {
m_data.str = st;
m_type = KindOfStaticString;
break;
}
m_data.str = s->copy(true);
break;
}
case KindOfArray:
{
ArrayData *arr = source.getArrayData();
if (!inner) {
// only need to call hasInternalReference() on the toplevel array
PointerSet seen;
if (arr->hasInternalReference(seen)) {
setSerializedArray();
m_shouldCache = true;
String s = apc_serialize(source);
m_data.str = StringData::MakeMalloced(s.data(), s.size());
break;
}
}
if (arr->isVectorData()) {
setIsVector();
m_data.vec = new (arr->size()) VectorData();
for (ArrayIter it(arr); !it.end(); it.next()) {
SharedVariant* val = Create(it.secondRef(), false, true,
unserializeObj);
if (val->m_shouldCache) m_shouldCache = true;
m_data.vec->vals()[m_data.vec->m_size++] = val;
}
} else {
m_data.map = ImmutableMap::Create(arr, unserializeObj, m_shouldCache);
}
break;
}
case KindOfUninit:
case KindOfNull:
{
break;
}
case KindOfResource:
{
// TODO Task #2661075: Here and elsewhere in the runtime, we convert
// Resources to the empty array during various serialization operations,
// which does not match Zend behavior. We should fix this.
m_type = KindOfArray;
setIsVector();
m_data.vec = new (0) VectorData();
break;
}
default:
{
assert(source.isObject());
m_shouldCache = true;
if (unserializeObj) {
// This assumes hasInternalReference(seen, true) is false
ImmutableObj* obj = new ImmutableObj(source.getObjectData());
m_data.obj = obj;
setIsObj();
} else {
String s = apc_serialize(source);
m_data.str = StringData::MakeMalloced(s.data(), s.size());
}
break;
}
}
assert(m_type != KindOfResource);
}
