GoaLitiuM/FlaxEngine
1
0
Fork 0
Code Issues Pull Requests Actions 7 Packages Projects Releases Wiki Activity

Fix using Nullable<T> in C# properties

Browse Source 
Fixes #935
This commit is contained in:
Wojtek Figat
2023-04-12 15:47:03 +02:00
parent f8cf82a005
commit 609217a3bb
1 changed files with 45 additions and 18 deletions
Download Patch File Download Diff File Expand all files Collapse all files

61
Source/Engine/Engine/NativeInterop.cs
View File

@@ -371,40 +371,50 @@ namespace FlaxEngine.Interop
{ {
toManagedFieldMarshallers = new MarshalFieldTypedDelegate[marshallableFields.Length]; toManagedFieldMarshallers = new MarshalFieldTypedDelegate[marshallableFields.Length];
toNativeFieldMarshallers = new MarshalFieldTypedDelegate[marshallableFields.Length]; toNativeFieldMarshallers = new MarshalFieldTypedDelegate[marshallableFields.Length];
BindingFlags bindingFlags = BindingFlags.Static | BindingFlags.NonPublic | BindingFlags.Public;
for (int i = 0; i < marshallableFields.Length; i++) for (int i = 0; i < marshallableFields.Length; i++)
{ {
FieldInfo field = marshallableFields[i]; FieldInfo field = marshallableFields[i];
Type fieldType = field.FieldType;
MethodInfo toManagedFieldMethod; MethodInfo toManagedFieldMethod;
MethodInfo toNativeFieldMethod; MethodInfo toNativeFieldMethod;
if (field.FieldType.IsPointer) if (fieldType.IsPointer)
{ {
toManagedFieldMethod = typeof(MarshalHelper<>).MakeGenericType(type).GetMethod(nameof(MarshalHelper<T>.ToManagedFieldPointer), BindingFlags.Static | BindingFlags.NonPublic | BindingFlags.Public); toManagedFieldMethod = typeof(MarshalHelper<>).MakeGenericType(type).GetMethod(nameof(MarshalHelper<T>.ToManagedFieldPointer), bindingFlags);
toNativeFieldMethod = typeof(MarshalHelper<>).MakeGenericType(type).GetMethod(nameof(MarshalHelper<T>.ToNativeFieldPointer), BindingFlags.Static | BindingFlags.NonPublic | BindingFlags.Public); toNativeFieldMethod = typeof(MarshalHelper<>).MakeGenericType(type).GetMethod(nameof(MarshalHelper<T>.ToNativeFieldPointer), bindingFlags);
} }
else if (field.FieldType.IsValueType) else if (fieldType.IsValueType)
{ {
toManagedFieldMethod = typeof(MarshalHelper<>.ValueTypeField<>).MakeGenericType(type, field.FieldType).GetMethod(nameof(MarshalHelper<T>.ValueTypeField<ValueTypePlaceholder>.ToManagedField), BindingFlags.Static | BindingFlags.NonPublic | BindingFlags.Public); if (Nullable.GetUnderlyingType(fieldType) != null)
toNativeFieldMethod = typeof(MarshalHelper<>.ValueTypeField<>).MakeGenericType(type, field.FieldType).GetMethod(nameof(MarshalHelper<T>.ValueTypeField<ValueTypePlaceholder>.ToNativeField), BindingFlags.Static | BindingFlags.NonPublic | BindingFlags.Public);
}
else if (field.FieldType.IsArray)
{
Type arrayElementType = field.FieldType.GetElementType();
if (arrayElementType.IsValueType)
{ {
toManagedFieldMethod = typeof(MarshalHelper<>.ValueTypeField<>).MakeGenericType(type, arrayElementType).GetMethod(nameof(MarshalHelper<T>.ValueTypeField<ValueTypePlaceholder>.ToManagedFieldArray), BindingFlags.Static | BindingFlags.NonPublic | BindingFlags.Public); toManagedFieldMethod = typeof(MarshalHelper<>.NullableValueTypeField<>).MakeGenericType(type, fieldType).GetMethod(nameof(MarshalHelper<T>.NullableValueTypeField<ValueTypePlaceholder>.ToManagedField), bindingFlags);
toNativeFieldMethod = typeof(MarshalHelper<>.ReferenceTypeField<>).MakeGenericType(type, field.FieldType).GetMethod(nameof(MarshalHelper<T>.ReferenceTypeField<ReferenceTypePlaceholder>.ToNativeField), BindingFlags.Static | BindingFlags.NonPublic | BindingFlags.Public); toNativeFieldMethod = typeof(MarshalHelper<>.NullableValueTypeField<>).MakeGenericType(type, fieldType).GetMethod(nameof(MarshalHelper<T>.NullableValueTypeField<ValueTypePlaceholder>.ToNativeField), bindingFlags);
} }
else else
{ {
toManagedFieldMethod = typeof(MarshalHelper<>.ReferenceTypeField<>).MakeGenericType(type, field.FieldType).GetMethod(nameof(MarshalHelper<T>.ReferenceTypeField<ReferenceTypePlaceholder>.ToManagedField), BindingFlags.Static | BindingFlags.NonPublic | BindingFlags.Public); toManagedFieldMethod = typeof(MarshalHelper<>.ValueTypeField<>).MakeGenericType(type, fieldType).GetMethod(nameof(MarshalHelper<T>.ValueTypeField<ValueTypePlaceholder>.ToManagedField), bindingFlags);
toNativeFieldMethod = typeof(MarshalHelper<>.ReferenceTypeField<>).MakeGenericType(type, field.FieldType).GetMethod(nameof(MarshalHelper<T>.ReferenceTypeField<ReferenceTypePlaceholder>.ToNativeField), BindingFlags.Static | BindingFlags.NonPublic | BindingFlags.Public); toNativeFieldMethod = typeof(MarshalHelper<>.ValueTypeField<>).MakeGenericType(type, fieldType).GetMethod(nameof(MarshalHelper<T>.ValueTypeField<ValueTypePlaceholder>.ToNativeField), bindingFlags);
}
}
else if (fieldType.IsArray)
{
Type arrayElementType = fieldType.GetElementType();
if (arrayElementType.IsValueType)
{
toManagedFieldMethod = typeof(MarshalHelper<>.ValueTypeField<>).MakeGenericType(type, arrayElementType).GetMethod(nameof(MarshalHelper<T>.ValueTypeField<ValueTypePlaceholder>.ToManagedFieldArray), bindingFlags);
toNativeFieldMethod = typeof(MarshalHelper<>.ReferenceTypeField<>).MakeGenericType(type, fieldType).GetMethod(nameof(MarshalHelper<T>.ReferenceTypeField<ReferenceTypePlaceholder>.ToNativeField), bindingFlags);
}
else
{
toManagedFieldMethod = typeof(MarshalHelper<>.ReferenceTypeField<>).MakeGenericType(type, fieldType).GetMethod(nameof(MarshalHelper<T>.ReferenceTypeField<ReferenceTypePlaceholder>.ToManagedField), bindingFlags);
toNativeFieldMethod = typeof(MarshalHelper<>.ReferenceTypeField<>).MakeGenericType(type, fieldType).GetMethod(nameof(MarshalHelper<T>.ReferenceTypeField<ReferenceTypePlaceholder>.ToNativeField), bindingFlags);
} }
} }
else else
{ {
toManagedFieldMethod = typeof(MarshalHelper<>.ReferenceTypeField<>).MakeGenericType(type, field.FieldType).GetMethod(nameof(MarshalHelper<T>.ReferenceTypeField<ReferenceTypePlaceholder>.ToManagedField), BindingFlags.Static | BindingFlags.NonPublic | BindingFlags.Public); toManagedFieldMethod = typeof(MarshalHelper<>.ReferenceTypeField<>).MakeGenericType(type, fieldType).GetMethod(nameof(MarshalHelper<T>.ReferenceTypeField<ReferenceTypePlaceholder>.ToManagedField), bindingFlags);
toNativeFieldMethod = typeof(MarshalHelper<>.ReferenceTypeField<>).MakeGenericType(type, field.FieldType).GetMethod(nameof(MarshalHelper<T>.ReferenceTypeField<ReferenceTypePlaceholder>.ToNativeField), BindingFlags.Static | BindingFlags.NonPublic | BindingFlags.Public); toNativeFieldMethod = typeof(MarshalHelper<>.ReferenceTypeField<>).MakeGenericType(type, fieldType).GetMethod(nameof(MarshalHelper<T>.ReferenceTypeField<ReferenceTypePlaceholder>.ToNativeField), bindingFlags);
} }
toManagedFieldMarshallers[i] = toManagedFieldMethod.CreateDelegate<MarshalFieldTypedDelegate>(); toManagedFieldMarshallers[i] = toManagedFieldMethod.CreateDelegate<MarshalFieldTypedDelegate>();
toNativeFieldMarshallers[i] = toNativeFieldMethod.CreateDelegate<MarshalFieldTypedDelegate>(); toNativeFieldMarshallers[i] = toNativeFieldMethod.CreateDelegate<MarshalFieldTypedDelegate>();
@@ -583,6 +593,23 @@ namespace FlaxEngine.Interop
} }
} }
private static class NullableValueTypeField<TField>
{
static NullableValueTypeField()
{
}
internal static void ToManagedField(FieldInfo field, ref T fieldOwner, IntPtr fieldPtr, out int fieldOffset)
{
fieldOffset = 0;
}
internal static void ToNativeField(FieldInfo field, ref T fieldOwner, IntPtr fieldPtr, out int fieldOffset)
{
fieldOffset = 0;
}
}
private static class ReferenceTypeField<TField> where TField : class private static class ReferenceTypeField<TField> where TField : class
{ {
internal static void ToManagedField(FieldInfo field, ref T fieldOwner, IntPtr fieldPtr, out int fieldOffset) internal static void ToManagedField(FieldInfo field, ref T fieldOwner, IntPtr fieldPtr, out int fieldOffset)