HOT_FUNC
void ImmutableMap::add(int pos, CVarRef key, CVarRef val, bool unserializeObj) {
int64_t ikey;
StringData* skey;
int32_t hash;
Bucket* b = buckets() + pos;
switch (key.getType()) {
case KindOfInt64: {
hash = ikey = key.toInt64();
b->setIntKey(ikey);
break;
}
case KindOfString: {
skey = StringData::GetStaticString(key.getStringData());
goto static_case;
}
case KindOfStaticString: {
skey = key.getStringData();
static_case:
hash = skey->hash();
b->setStrKey(skey, hash);
break;
}
default: not_reached();
}
addVal(pos, hash & m.m_capacity_mask, val, unserializeObj);
}
int64 HphpMap::hash(CVarRef s) {
int64 hash;
switch (s.getType()) {
case KindOfInt16:
case KindOfInt32:
case KindOfInt64:
hash = hash_int64(s.toInt64());
break;
case LiteralString:
{
const char* d = s.getLiteralString();
hash = hash_string(d, strlen(d));
}
break;
case KindOfString:
{
StringData *st = s.getStringData();
hash = hash_string(st->data(), st->size());
}
break;
default:
ASSERT(false);
return 0;
}
return hash;
}
int SharedVariant::getIndex(CVarRef key) {
ASSERT(is(KindOfArray));
switch (key.getType()) {
case KindOfByte:
case KindOfInt16:
case KindOfInt32:
case KindOfInt64: {
int64 num = key.getNumData();
if (getIsVector()) {
if (num < 0 || (size_t) num >= m_data.vec->size) return -1;
return num;
}
return m_data.map->indexOf(num);
}
case KindOfStaticString:
case KindOfString: {
if (getIsVector()) return -1;
StringData *sd = key.getStringData();
return m_data.map->indexOf(sd);
}
default:
// No other types are legitimate keys
break;
}
return -1;
}
bool same(CVarRef v1, const StringData* v2) {
bool null1 = v1.isNull();
bool null2 = (v2 == nullptr);
if (null1 && null2) return true;
if (null1 || null2) return false;
if (!v1.isString()) return false;
auto const sdata = v1.getStringData();
return sdata == v2 || v2->same(sdata);
}
int hphp_ffi_exportVariant(CVarRef v, void** result) {
switch (v.getType()) {
case KindOfNull: return 0;
case KindOfBoolean: *result = (void*)v.toBoolean(); return 1;
case KindOfByte:
case KindOfInt16:
case KindOfInt32:
case KindOfInt64: {
*result = (void*)v.toInt64();
return 2;
}
case KindOfDouble: {
union {
double d;
void* p;
} u;
u.d = v.toDouble();
*result = u.p;
return 3;
}
case LiteralString: *result = (void*)v.getLiteralString(); return 4;
case KindOfString: {
StringData *sd = v.getStringData();
sd->incRefCount();
*result = (void*)sd;
return 5;
}
case KindOfArray: {
ArrayData *ad = v.getArrayData();
ad->incRefCount();
*result = (void*)ad;
return 6;
}
case KindOfObject: {
ObjectData *od = v.getObjectData();
od->incRefCount();
*result = (void*)od;
return 7;
}
default:
ASSERT(false);
return 0;
}
}
Variant f_class_uses(CVarRef obj, bool autoload /* = true */) {
Class* cls;
if (obj.isString()) {
cls = Unit::getClass(obj.getStringData(), autoload);
if (!cls) {
return false;
}
} else if (obj.isObject()) {
cls = obj.getObjectData()->getVMClass();
} else {
return false;
}
Array ret(Array::Create());
for (auto& elem : cls->usedTraits()) {
auto& traitName = elem->nameRef();
ret.set(traitName, traitName);
}
return ret;
}
Variant f_class_parents(CVarRef obj, bool autoload /* = true */) {
Class* cls;
if (obj.isString()) {
cls = Unit::getClass(obj.getStringData(), autoload);
if (!cls) {
return false;
}
} else if (obj.isObject()) {
cls = obj.getObjectData()->getVMClass();
} else {
return false;
}
Array ret(Array::Create());
for (cls = cls->parent(); cls; cls = cls->parent()) {
auto& clsName = cls->nameRef();
ret.set(clsName, clsName);
}
return ret;
}
Variant f_class_implements(CVarRef obj, bool autoload /* = true */) {
Class* cls;
if (obj.isString()) {
cls = Unit::getClass(obj.getStringData(), autoload);
if (!cls) {
return false;
}
} else if (obj.isObject()) {
cls = obj.getObjectData()->getVMClass();
} else {
return false;
}
Array ret(Array::Create());
const Class::InterfaceMap& ifaces = cls->allInterfaces();
for (int i = 0, size = ifaces.size(); i < size; i++) {
ret.set(ifaces[i]->nameRef(), ifaces[i]->nameRef());
}
return ret;
}
Variant f_class_uses(CVarRef obj, bool autoload /* = true */) {
Class* cls;
if (obj.isString()) {
cls = Unit::getClass(obj.getStringData(), autoload);
if (!cls) {
return false;
}
} else if (obj.isObject()) {
cls = obj.getObjectData()->getVMClass();
} else {
return false;
}
Array ret(Array::Create());
for (auto const& traitName : cls->preClass()->usedTraits()) {
const String& nameRef = *(String*)(&traitName);
ret.set(nameRef, nameRef);
}
return ret;
}
String f_serialize(CVarRef value) {
switch (value.getType()) {
case KindOfUninit:
case KindOfNull:
return "N;";
case KindOfBoolean:
return value.getBoolean() ? "b:1;" : "b:0;";
case KindOfInt64: {
StringBuffer sb;
sb.append("i:");
sb.append(value.getInt64());
sb.append(';');
return sb.detach();
}
case KindOfStaticString:
case KindOfString: {
StringData *str = value.getStringData();
StringBuffer sb;
sb.append("s:");
sb.append(str->size());
sb.append(":\"");
sb.append(str->data(), str->size());
sb.append("\";");
return sb.detach();
}
case KindOfArray: {
ArrayData *arr = value.getArrayData();
if (arr->empty()) return "a:0:{}";
// fall-through
}
case KindOfObject:
case KindOfResource:
case KindOfDouble: {
VariableSerializer vs(VariableSerializer::Type::Serialize);
return vs.serialize(value, true);
}
default:
assert(false);
break;
}
return "";
}
int ThreadSharedVariant::getIndex(CVarRef key) {
ASSERT(is(KindOfArray));
switch (key.getType()) {
case KindOfByte:
case KindOfInt16:
case KindOfInt32:
case KindOfInt64: {
int64 num = key.getNumData();
if (getIsVector()) {
if (num < 0 || (size_t) num >= m_data.vec->size) return -1;
return num;
}
if (RuntimeOption::ApcUseGnuMap) {
Int64ToIntMap::const_iterator it = m_data.gnuMap->intMap->find(num);
if (it == m_data.gnuMap->intMap->end()) return -1;
return it->second;
}
return m_data.map->indexOf(num);
}
case KindOfStaticString:
case KindOfString: {
if (getIsVector()) return -1;
StringData *sd = key.getStringData();
if (RuntimeOption::ApcUseGnuMap) {
StringDataToIntMap::const_iterator it = m_data.gnuMap->strMap->find(sd);
if (it == m_data.gnuMap->strMap->end()) return -1;
return it->second;
}
return m_data.map->indexOf(sd);
}
default:
// No other types are legitimate keys
break;
}
return -1;
}
bool HphpMap::same(CVarRef s1, CVarRef s2) {
DataType t1 = s1.getType();
DataType t2 = s2.getType();
switch (t1) {
case KindOfInt16:
case KindOfInt32:
case KindOfInt64:
switch (t2) {
case KindOfInt16:
case KindOfInt32:
case KindOfInt64:
break;
default:
return false;
}
break;
case LiteralString:
case KindOfString:
switch (t2) {
case LiteralString:
case KindOfString:
break;
default:
return false;
}
break;
default:
ASSERT(false);
if (t1 != t2) return false;
break;
}
switch (t1) {
case KindOfInt16:
case KindOfInt32:
case KindOfInt64:
return s1.toInt64() == s2.toInt64();
default:
const char* s1d;
uint64 s1l;
const char* s2d;
uint64 s2l;
if (t1 == LiteralString) {
s1d = s1.getLiteralString();
s1l = strlen(s1d);
} else {
StringData *s1data = s1.getStringData();
s1d = s1data->data();
s1l = s1data->size();
}
if (t2 == LiteralString) {
s2d = s2.getLiteralString();
s2l = strlen(s2d);
} else {
StringData *s2data = s2.getStringData();
s2d = s2data->data();
s2l = s2data->size();
}
return string_strcmp(s1d, s1l, s2d, s2l) == 0;
}
}
bool ArrayData::IsValidKey(CVarRef k) {
return k.isInteger() ||
(k.isString() && IsValidKey(k.getStringData()));
}
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);
}
