| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| **/ |
| |
| #ifndef QUICKSTEP_TYPES_NULL_COERCIBILITY_CHECK_MACRO_HPP_ |
| #define QUICKSTEP_TYPES_NULL_COERCIBILITY_CHECK_MACRO_HPP_ |
| |
| #include "types/Type.hpp" |
| #include "types/TypeID.hpp" |
| |
| /** \addtogroup Types |
| * @{ |
| */ |
| |
| /** |
| * @brief A code-snippet for use in implementations of Type::isCoercibleFrom() |
| * and Type::isSafelyCoercibleFrom() that does common checks for |
| * nullability of types. |
| **/ |
| #define QUICKSTEP_NULL_COERCIBILITY_CHECK() \ |
| do { \ |
| if (original_type.isNullable() && !nullable_) { \ |
| return false; \ |
| } else if (original_type.getTypeID() == kNullType) { \ |
| return true; \ |
| } \ |
| } while (false) |
| |
| /** @} */ |
| |
| #endif // QUICKSTEP_TYPES_NULL_COERCIBILITY_CHECK_MACRO_HPP_ |