Add missing GenerateNativeToManagedFor checks

Author: josetr

src/AST/TypeExtensions.cs

@@ -443,8 +443,9 @@ public static long GetSizeInBits(this ArrayType array)
             return array.Size * array.ElementSize;
         }
 
-        internal static bool IsReferenceToPtrToClass(this Type type)
+        internal static bool TryGetReferenceToPtrToClass(this Type type, out Type classType)
         {
+            classType = null;
             var @ref = type.Desugar().AsLvReference();
             if (@ref == null)
                 return false;
@@ -454,7 +455,11 @@ internal static bool IsReferenceToPtrToClass(this Type type)
                 return false;
 
             var @class = @ptr.Pointee;
-            return @class != null && @class.IsClass();
+            if (!@class.IsClass())
+                return false;
+
+            classType = @class;
+            return true;
         }
 
         internal static PointerType AsLvReference(this Type type)

src/Generator/Generators/CSharp/CSharpMarshal.cs

@@ -393,8 +393,9 @@ private string HandleReturnedPointer(Class @class, string qualifiedClass)
                 var dtorVirtual = (dtor != null && dtor.IsVirtual);
                 var cache = dtorVirtual && Context.Parameter == null;
                 var skipVTables = dtorVirtual && Context.Parameter != null;
-                Context.Before.WriteLine("var {0} = {1}.__GetOrCreateInstance({2}, {3}{4});",
-                    ret, qualifiedClass, Context.ReturnVarName, cache ? "true" : "false", skipVTables ? ", skipVTables: true" : string.Empty);
+                var get = Context.Context.Options.GenerateNativeToManagedFor(@class) ? "GetOr" : "";
+                Context.Before.WriteLine("var {0} = {1}.__{5}CreateInstance({2}, {3}{4});",
+                    ret, qualifiedClass, Context.ReturnVarName, cache ? "true" : "false", skipVTables ? ", skipVTables: true" : string.Empty, get);
             }
             else
             {

src/Generator/Generators/CSharp/CSharpSources.cs

@@ -3141,12 +3141,12 @@ public void GenerateFunctionCall(string functionName, Function function,
 
             foreach (var param in @params)
             {
-                if (param.Param.IsInOut && param.Param.Type.IsReferenceToPtrToClass())
+                if (param.Param.IsInOut && param.Param.Type.TryGetReferenceToPtrToClass(out var classType) && classType.TryGetClass(out var @class))
                 {
                     var qualifiedClass = param.Param.Type.Visit(TypePrinter);
-
+                    var get = Options.GenerateNativeToManagedFor(@class) ? "GetOr" : "";
                     WriteLine($"if ({param.Name} != {param.Param.Name}.__Instance)");
-                    WriteLine($"{param.Param.Name} = {qualifiedClass}.__GetOrCreateInstance(__{param.Name}, false);");
+                    WriteLine($"{param.Param.Name} = {qualifiedClass}.__{get}CreateInstance(__{param.Name}, false);");
                 }
             }