/// <summary>
/// Applied before SetTag runs.
/// </summary>
internal static bool Prefix(ref ulong ___bits7, Tag tag)
{
var inst = ExtendedTagBits.Instance;
int index = inst.ManifestFlagIndex(tag) - ExtendedTagBits.VANILLA_LIMIT;
bool vanilla = index < 0;
if (!vanilla)
{
int id = inst.GetIDWithTagSet(TagBitOps.GetUpperBits(___bits7), index);
___bits7 = (___bits7 & 0xFFFFFFFFUL) | ((ulong)id << 32);
}
return(vanilla);
}
/// <summary>
/// Applied before Clear runs.
/// </summary>
internal static bool Prefix(ref ulong ___bits5, Tag tag)
{
var inst = ExtendedTagBits.Instance;
int index = inst.ManifestFlagIndex(tag) - ExtendedTagBits.VANILLA_LIMIT;
bool vanilla = index < 0;
if (!vanilla && ___bits5 != 0UL)
{
int id = inst.GetIDWithTagClear(TagBitOps.GetUpperBits(___bits5), index);
___bits5 = TagBitOps.GetLowerBits(___bits5) | ((ulong)id << 32);
}
return(vanilla);
}
/// <summary>
/// Applied before GetTagsVerySlow runs.
/// </summary>
internal static bool Prefix(int bits_idx, ulong bits, List <Tag> tags)
{
bool extended = bits_idx >= 5;
var inst = ExtendedTagBits.Instance;
int ubits = TagBitOps.GetUpperBits(bits), nlower = extended ? 32 : 64,
baseIdx = BitSet.ULONG_BITS * bits_idx;
// Vanilla tags in lowest N bits
for (int i = 0; i < nlower; i++)
{
if ((bits & 1UL) != 0UL)
{
var tag = inst.GetTagForIndex(baseIdx + i);
if (tag != Tag.Invalid)
{
tags.Add(tag);
}
}
bits >>= 1;
}
// Extended tags in highest bits
if (extended && ubits != 0)
{
var bitSet = inst.GetTagBits(ubits);
for (int i = 0; i < bitSet.Capacity; i++)
{
if (bitSet.Get(i))
{
var tag = inst.GetTagForIndex(ExtendedTagBits.VANILLA_LIMIT + i);
if (tag != Tag.Invalid)
{
tags.Add(tag);
}
}
}
}
return(false);
}
