Added default __and__

BojanKogoj · BojanKogoj · commit 01407194de88 · 2018-10-28T21:08:28.000+01:00
For all objects without defined __and__ this should be a default error
diff --git a/vm/src/obj/objobject.rs b/vm/src/obj/objobject.rs
@@ -101,12 +101,28 @@ pub fn init(context: &PyContext) {
     object.set_attr("__hash__", context.new_rustfunc(object_hash));
     object.set_attr("__str__", context.new_rustfunc(object_str));
     object.set_attr("__repr__", context.new_rustfunc(object_repr));
+    object.set_attr("__and__", context.new_rustfunc(object_and));
 }
 
 fn object_init(vm: &mut VirtualMachine, _args: PyFuncArgs) -> PyResult {
     Ok(vm.ctx.none())
 }
 
+fn object_and(vm: &mut VirtualMachine, args: PyFuncArgs) -> PyResult {
+    arg_check!(
+        vm,
+        args,
+        required = [
+            (zelf, None),
+            (other, None)
+        ]
+    );
+
+    let zelf_type = objtype::get_type_name(&zelf.typ());
+    let other_type = objtype::get_type_name(&other.typ());
+    Err(vm.new_type_error(format!("unsupported operand type(s) for &: {:?} and {:?}", zelf_type, other_type)))
+}
+
 fn object_dict(vm: &mut VirtualMachine, args: PyFuncArgs) -> PyResult {
     match args.args[0].borrow().kind {
         PyObjectKind::Class { ref dict, .. } => Ok(dict.clone()),
