Extend DestructuringBindingsForFieldClass to enable arguments per value

src/pystencils_autodiff/framework_integration/astnodes.py

@@ -35,6 +35,7 @@ class DestructuringBindingsForFieldClass(Node):
         FieldStrideSymbol: "stride[{dim}]"
     }
     CLASS_NAME_TEMPLATE = "PyStencilsField<{dtype}, {ndim}>"
+    ARGS_AS_REFERENCE = True
 
     @property
     def fields_accessed(self) -> Set['ResolvedFieldAccess']:
@@ -70,7 +71,11 @@ class DestructuringBindingsForFieldClass(Node):
         undefined_field_symbols = self.symbols_defined
         corresponding_field_names = {s.field_name for s in undefined_field_symbols if hasattr(s, 'field_name')}
         corresponding_field_names |= {s.field_names[0] for s in undefined_field_symbols if hasattr(s, 'field_names')}
-        return {TypedSymbol(f, self.CLASS_NAME_TEMPLATE.format(dtype=field_map[f].dtype, ndim=field_map[f].ndim) + '&')
+        return {TypedSymbol(f,
+                            self.CLASS_NAME_TEMPLATE.format(dtype=field_map[f].dtype,
+                                                            ndim=field_map[f].ndim) + ('&'
+                                                                                       if self.ARGS_AS_REFERENCE
+                                                                                       else ''))
                 for f in corresponding_field_names} | (self.body.undefined_symbols - undefined_field_symbols)
 
     def subs(self, subs_dict) -> None: