/*
* Helper for creating a single-element mixed array with a string key.
*
* Note: the key is not already incref'd, but the value must be.
*/
NEVER_INLINE
std::pair<ArrayData*,TypedValue*>
EmptyArray::MakeMixed(StringData* key, TypedValue val) {
auto const ad = reqAllocArray(MixedArray::SmallScale);
MixedArray::InitSmall(ad, 1/*count*/, 1/*size*/, 0/*nextIntKey*/);
auto const data = ad->data();
auto const hash = reinterpret_cast<int32_t*>(data + MixedArray::SmallSize);
auto const khash = key->hash();
auto const mask = MixedArray::SmallMask;
hash[khash & mask] = 0;
data[0].setStrKey(key, khash);
auto& lval = data[0].data;
lval.m_data = val.m_data;
lval.m_type = val.m_type;
assert(ad->m_size == 1);
assert(ad->m_pos == 0);
assert(ad->m_scale == MixedArray::SmallScale);
assert(ad->kind() == ArrayData::kMixedKind);
assert(ad->hasExactlyOneRef());
assert(ad->m_used == 1);
assert(ad->checkInvariants());
return { ad, &lval };
}
MixedArray* StructArray::ToMixedHeader(size_t neededSize) {
auto const scale = computeScaleFromSize(neededSize);
auto const ad = reqAllocArray(scale);
ad->m_sizeAndPos = 0; // We'll set size and pos later.
ad->m_hdr.init(HeaderKind::Mixed, 1);
ad->m_scale_used = scale; // used=0
ad->m_nextKI = 0; // There were never any numeric indices.
assert(ad->kind() == ArrayData::kMixedKind);
assert(ad->m_size == 0);
assert(ad->m_pos == 0);
assert(ad->hasExactlyOneRef());
assert(ad->m_used == 0);
assert(ad->m_scale == scale);
return ad;
}
/*
* Creating a single-element mixed array with a integer key. The
* value is already incref'd.
*/
ArrayLval EmptyArray::MakeMixed(int64_t key, TypedValue val) {
auto const ad = reqAllocArray(MixedArray::SmallScale);
MixedArray::InitSmall(ad, 1/*count*/, 1/*size*/, (key >= 0) ? key + 1 : 0);
auto const data = ad->data();
auto const hash = reinterpret_cast<int32_t*>(data + MixedArray::SmallSize);
auto const mask = MixedArray::SmallMask;
auto h = hash_int64(key);
hash[h & mask] = 0;
data[0].setIntKey(key, h);
auto& lval = data[0].data;
lval.m_data = val.m_data;
lval.m_type = val.m_type;
assert(ad->kind() == ArrayData::kMixedKind);
assert(ad->m_size == 1);
assert(ad->m_pos == 0);
assert(ad->hasExactlyOneRef());
assert(ad->m_scale == MixedArray::SmallScale);
assert(ad->m_used == 1);
assert(ad->checkInvariants());
return { ad, &tvAsVariant(&lval) };
}
