private static bool _Verify(CacheFixEntry entry, Type type)
{
object cache;
Array properties, fields;
// The cache can sometimes be invalidated.
// TODO: Figure out if only the arrays get replaced or if the entire cache object gets replaced!
if (entry.Cache != (cache = p_RuntimeType_Cache.GetValue(type, _NoArgs)))
{
entry.Cache = cache;
entry.Properties = _GetArray(cache, m_RuntimeTypeCache_GetPropertyList);
entry.Fields = _GetArray(cache, m_RuntimeTypeCache_GetFieldList);
return(false);
}
else if (entry.Properties != (properties = _GetArray(cache, m_RuntimeTypeCache_GetPropertyList)))
{
entry.Properties = properties;
entry.Fields = _GetArray(cache, m_RuntimeTypeCache_GetFieldList);
return(false);
}
else if (entry.Fields != (fields = _GetArray(cache, m_RuntimeTypeCache_GetFieldList)))
{
entry.Fields = fields;
return(false);
}
else
{
// Cache should still be the same, no re-fix necessary.
return(true);
}
}
public static void FixReflectionCache(this Type type)
{
if (t_RuntimeType == null ||
p_RuntimeType_Cache == null ||
m_RuntimeTypeCache_GetFieldList == null ||
m_RuntimeTypeCache_GetPropertyList == null)
{
return;
}
for (; type != null; type = type.DeclaringType)
{
// All types SHOULD inherit RuntimeType, including those built at runtime.
// One might never know what awaits us in the depths of reflection hell though.
if (!t_RuntimeType.IsInstanceOfType(type))
{
continue;
}
CacheFixEntry entry = _CacheFixed.GetValue(type, rt => {
CacheFixEntry entryNew = new CacheFixEntry();
object cache;
Array properties, fields;
// All RuntimeTypes MUST have a cache, the getter is non-virtual, it creates on demand and asserts non-null.
entryNew.Cache = cache = p_RuntimeType_Cache.GetValue(rt, _NoArgs);
entryNew.Properties = properties = _GetArray(cache, m_RuntimeTypeCache_GetPropertyList);
entryNew.Fields = fields = _GetArray(cache, m_RuntimeTypeCache_GetFieldList);
_FixReflectionCacheOrder <PropertyInfo>(properties);
_FixReflectionCacheOrder <FieldInfo>(fields);
entryNew.NeedsVerify = false;
return(entryNew);
});
if (entry.NeedsVerify && !_Verify(entry, type))
{
lock (entry)
{
_FixReflectionCacheOrder <PropertyInfo>(entry.Properties);
_FixReflectionCacheOrder <FieldInfo>(entry.Fields);
}
}
entry.NeedsVerify = true;
}
}