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Fix TypeDescriptor hack for latest runtime versions

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This commit is contained in:
Ari Vuollet
2025-02-26 22:07:29 +02:00
parent ba88bf8b0f
commit 6e2ed2bdbd
1 changed files with 29 additions and 9 deletions
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38
Source/Engine/Engine/NativeInterop.Unmanaged.cs
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@@ -1148,24 +1148,44 @@ namespace FlaxEngine.Interop
clearCacheMethod.Invoke(null, new object[] { null });
Type TypeDescriptorType = typeof(System.ComponentModel.TypeDescriptor);
object s_providerTable = TypeDescriptorType?.GetField("s_providerTable", System.Reflection.BindingFlags.Static | System.Reflection.BindingFlags.NonPublic)?.GetValue(null);
// Added in .NET runtime 8.0.10, used as the main locking object
object s_commonSyncObject = TypeDescriptorType?.GetField("s_commonSyncObject", System.Reflection.BindingFlags.Static | System.Reflection.BindingFlags.NonPublic)?.GetValue(null);
if (s_commonSyncObject == null)
s_commonSyncObject = s_providerTable;
// Removed in .NET runtime 8.0.7
object s_internalSyncObject = TypeDescriptorType?.GetField("s_internalSyncObject", System.Reflection.BindingFlags.Static | System.Reflection.BindingFlags.NonPublic)?.GetValue(null);
System.Collections.Hashtable s_defaultProviders = (System.Collections.Hashtable)TypeDescriptorType?.GetField("s_defaultProviders", System.Reflection.BindingFlags.Static | System.Reflection.BindingFlags.NonPublic)?.GetValue(null);
object s_defaultProviders = TypeDescriptorType?.GetField("s_defaultProviders", System.Reflection.BindingFlags.Static | System.Reflection.BindingFlags.NonPublic)?.GetValue(null);
if (s_internalSyncObject != null && s_defaultProviders != null)
{
lock (s_internalSyncObject)
s_defaultProviders.Clear();
InvokeClear(s_defaultProviders);
}
object s_providerTable = TypeDescriptorType?.GetField("s_providerTable", System.Reflection.BindingFlags.Static | System.Reflection.BindingFlags.NonPublic)?.GetValue(null);
System.Collections.Hashtable s_providerTypeTable = (System.Collections.Hashtable)TypeDescriptorType?.GetField("s_providerTypeTable", System.Reflection.BindingFlags.Static | System.Reflection.BindingFlags.NonPublic)?.GetValue(null);
// Replaces s_defaultProviders in 8.0.7
object s_defaultProviderInitialized = TypeDescriptorType?.GetField("s_defaultProviderInitialized", System.Reflection.BindingFlags.Static | System.Reflection.BindingFlags.NonPublic)?.GetValue(null);
if (s_commonSyncObject != null && s_defaultProviderInitialized != null)
{
lock (s_commonSyncObject)
InvokeClear(s_defaultProviderInitialized);
}
object s_providerTypeTable = TypeDescriptorType?.GetField("s_providerTypeTable", System.Reflection.BindingFlags.Static | System.Reflection.BindingFlags.NonPublic)?.GetValue(null);
if (s_providerTable != null && s_providerTypeTable != null)
{
lock (s_providerTable)
s_providerTypeTable.Clear();
TypeDescriptorType.GetField("s_providerTable", System.Reflection.BindingFlags.Static | System.Reflection.BindingFlags.NonPublic)
?.FieldType.GetMethods(BindingFlags.Instance | BindingFlags.Public).FirstOrDefault(x => x.Name == "Clear")
?.Invoke(s_providerTable, new object[] { });
lock (s_commonSyncObject)
InvokeClear(s_providerTypeTable);
InvokeClear(s_providerTable);
}
static void InvokeClear(object instance)
{
Type type = instance.GetType();
FlaxEngine.Assertions.Assert.IsTrue(type.Name == "ConcurrentDictionary`2" || type.Name == "Hashtable" || type.Name == "WeakHashtable");
type.GetMethods(BindingFlags.Instance | BindingFlags.Public).FirstOrDefault(x => x.Name == "Clear")
?.Invoke(instance, new object[] { });
}
}