Implement message resolution for d_name and d_type of PyMethodDescrObject

Author: fangerer

graalpython/com.oracle.graal.python/src/com/oracle/graal/python/builtins/objects/cext/capi/DynamicObjectNativeWrapper.java

@@ -887,6 +887,20 @@ static Object doDGetSet(PythonObject object, @SuppressWarnings("unused") PythonN
             return new PyGetSetDefWrapper(object);
         }
 
+        @Specialization(guards = "eq(D_NAME, key)")
+        static Object doDName(PBuiltinFunction object, @SuppressWarnings("unused") PythonNativeWrapper nativeWrapper, @SuppressWarnings("unused") String key,
+                        @Shared("toSulongNode") @Cached ToSulongNode toSulongNode) {
+            return toSulongNode.execute(object.getName());
+        }
+
+        @Specialization(guards = "eq(D_TYPE, key)")
+        static Object doDType(PBuiltinFunction object, @SuppressWarnings("unused") PythonNativeWrapper nativeWrapper, @SuppressWarnings("unused") String key,
+                        @Cached GetNativeNullNode getNativeNullNode,
+                        @Shared("toSulongNode") @Cached ToSulongNode toSulongNode) {
+            Object enclosingType = object.getEnclosingType();
+            return toSulongNode.execute(enclosingType != null ? enclosingType : getNativeNullNode.execute());
+        }
+
         @Specialization(guards = "eq(D_METHOD, key)")
         static Object doDBase(PythonObject object, @SuppressWarnings("unused") PythonNativeWrapper nativeWrapper, @SuppressWarnings("unused") String key) {
             return new PyMethodDefWrapper(object);