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Add attributes support for dotnet interop for methods, fields and properties

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This commit is contained in:
Wojtek Figat
2024-10-04 15:57:41 +02:00
parent 85915d787a
commit adbe578aa1
4 changed files with 107 additions and 57 deletions
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54
Source/Engine/Engine/NativeInterop.Unmanaged.cs
View File

@@ -49,6 +49,7 @@ namespace FlaxEngine.Interop
internal struct NativePropertyDefinitions
{
internal IntPtr name;
internal ManagedHandle propertyHandle;
internal ManagedHandle getterHandle;
internal ManagedHandle setterHandle;
internal uint getterAttributes;
@@ -379,6 +380,17 @@ namespace FlaxEngine.Interop
for (int i = 0; i < properties.Length; i++)
{
var property = properties[i];
ManagedHandle propertyHandle = ManagedHandle.Alloc(property);
#if FLAX_EDITOR
if (type.IsCollectible)
propertyHandleCacheCollectible.Add(propertyHandle);
else
#endif
{
propertyHandleCache.Add(propertyHandle);
}
IntPtr ptr = IntPtr.Add(new IntPtr(arr), Unsafe.SizeOf<NativePropertyDefinitions>() * i);
var getterMethod = property.GetGetMethod(true);
@@ -387,6 +399,7 @@ namespace FlaxEngine.Interop
var classProperty = new NativePropertyDefinitions
{
name = NativeAllocStringAnsi(property.Name),
propertyHandle = propertyHandle,
};
if (getterMethod != null)
{
@@ -404,12 +417,8 @@ namespace FlaxEngine.Interop
*classPropertiesCount = properties.Length;
}
[UnmanagedCallersOnly]
internal static void GetClassAttributes(ManagedHandle typeHandle, ManagedHandle** classAttributes, int* classAttributesCount)
internal static void GetAttributes(object[] attributeValues, ManagedHandle** classAttributes, int* classAttributesCount)
{
Type type = Unsafe.As<TypeHolder>(typeHandle.Target);
object[] attributeValues = type.GetCustomAttributes(false);
ManagedHandle* arr = (ManagedHandle*)NativeAlloc(attributeValues.Length, Unsafe.SizeOf<ManagedHandle>());
for (int i = 0; i < attributeValues.Length; i++)
{
@@ -424,6 +433,38 @@ namespace FlaxEngine.Interop
*classAttributesCount = attributeValues.Length;
}
[UnmanagedCallersOnly]
internal static void GetClassAttributes(ManagedHandle typeHandle, ManagedHandle** classAttributes, int* classAttributesCount)
{
Type type = Unsafe.As<TypeHolder>(typeHandle.Target);
object[] attributeValues = type.GetCustomAttributes(false);
GetAttributes(attributeValues, classAttributes, classAttributesCount);
}
[UnmanagedCallersOnly]
internal static void GetMethodAttributes(ManagedHandle methodHandle, ManagedHandle** classAttributes, int* classAttributesCount)
{
MethodHolder methodHolder = Unsafe.As<MethodHolder>(methodHandle.Target);
object[] attributeValues = methodHolder.method.GetCustomAttributes(false);
GetAttributes(attributeValues, classAttributes, classAttributesCount);
}
[UnmanagedCallersOnly]
internal static void GetFieldAttributes(ManagedHandle fieldHandle, ManagedHandle** classAttributes, int* classAttributesCount)
{
FieldHolder field = Unsafe.As<FieldHolder>(fieldHandle.Target);
object[] attributeValues = field.field.GetCustomAttributes(false);
GetAttributes(attributeValues, classAttributes, classAttributesCount);
}
[UnmanagedCallersOnly]
internal static void GetPropertyAttributes(ManagedHandle propertyHandle, ManagedHandle** classAttributes, int* classAttributesCount)
{
PropertyInfo property = Unsafe.As<PropertyInfo>(propertyHandle.Target);
object[] attributeValues = property.GetCustomAttributes(false);
GetAttributes(attributeValues, classAttributes, classAttributesCount);
}
[UnmanagedCallersOnly]
internal static ManagedHandle GetCustomAttribute(ManagedHandle typeHandle, ManagedHandle attributeHandle)
{
@@ -1027,6 +1068,9 @@ namespace FlaxEngine.Interop
foreach (var handle in fieldHandleCacheCollectible)
handle.Free();
fieldHandleCacheCollectible.Clear();
foreach (var handle in propertyHandleCacheCollectible)
handle.Free();
propertyHandleCacheCollectible.Clear();
_typeSizeCache.Clear();

2
Source/Engine/Engine/NativeInterop.cs
View File

@@ -38,11 +38,13 @@ namespace FlaxEngine.Interop
private static ConcurrentDictionary<IntPtr, Delegate> cachedDelegates = new();
private static Dictionary<Type, (TypeHolder typeHolder, ManagedHandle handle)> managedTypes = new(new TypeComparer());
private static List<ManagedHandle> fieldHandleCache = new();
private static List<ManagedHandle> propertyHandleCache = new();
#if FLAX_EDITOR
private static List<ManagedHandle> methodHandlesCollectible = new();
private static ConcurrentDictionary<IntPtr, Delegate> cachedDelegatesCollectible = new();
private static Dictionary<Type, (TypeHolder typeHolder, ManagedHandle handle)> managedTypesCollectible = new(new TypeComparer());
private static List<ManagedHandle> fieldHandleCacheCollectible = new();
private static List<ManagedHandle> propertyHandleCacheCollectible = new();
#endif
private static Dictionary<object, ManagedHandle> classAttributesCacheCollectible = new();
private static Dictionary<Assembly, ManagedHandle> assemblyHandles = new();