added print object method

src/objects/objects.c

@@ -106,6 +106,24 @@ Object *Object_Call(Object *obj, Object **argv, unsigned int argc, Heap *heap, E
 	return type->call(obj, argv, argc, heap, err);
 }
 
+_Bool Object_Print(Object *obj, FILE *fp, Error *error)
+{
+	assert(error != NULL);
+	assert(obj != NULL);
+
+	const Type *type = Object_GetType(obj);
+	assert(type);
+
+	if(type->print == NULL)
+		{
+			Error_Report(error, 0, "Object %s doesn't implement %s", Object_GetName(obj), __func__);
+			return 0;
+		}
+
+	type->print(obj, fp);
+	return 1;
+}
+
 Object *Object_Select(Object *coll, Object *key, Heap *heap, Error *err)
 {
 	assert(err);