| /*************************************************************************** |
| * |
| * This is an internal header file used to implement the C++ Standard |
| * Library. It should never be #included directly by a program. |
| * |
| * $Id$ |
| * |
| *************************************************************************** |
| * |
| * 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. |
| * |
| * Copyright 2008 Rogue Wave Software, Inc. |
| * |
| **************************************************************************/ |
| |
| #ifndef _RWSTD_RW_STATIC_ASSERT_H_INCLUDED |
| #define _RWSTD_RW_STATIC_ASSERT_H_INCLUDED |
| |
| #include <rw/_defs.h> |
| |
| _RWSTD_NAMESPACE (__rw) { |
| |
| /** |
| * Template used to perform compile time assertions at class or global scope. |
| */ |
| template <bool _Cond> |
| struct __rw_static_assert |
| { |
| }; |
| |
| template <bool _Cond> |
| struct __rw_assert_failed; |
| |
| template <> |
| struct __rw_assert_failed<true> |
| { |
| }; |
| |
| } // namespace __rw |
| |
| #ifndef _RWSTD_NO_STATIC_ASSERT |
| # define _RWSTD_STATIC_ASSERT(Cond,Mesg) static_assert(Cond, Mesg) |
| #else |
| # define _RWSTD_STATIC_ASSERT(Cond,Mesg) \ |
| typedef \ |
| _RW::__rw_static_assert<sizeof (_RW::__rw_assert_failed<(Cond)>) != 0> \ |
| _RWSTD_PASTE(__static_assert,__LINE__) |
| #endif // _RWSTD_NO_STATIC_ASSERT |
| |
| #endif // _RWSTD_RW_STATIC_ASSERT_H_INCLUDED |