Chris@16: //  Copyright (c) 2001-2013 Hartmut Kaiser
Chris@16: //
Chris@16: //  Distributed under the Boost Software License, Version 1.0. (See accompanying
Chris@16: //  file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
Chris@16: 
Chris@16: #if !defined(BOOST_SPIRIT_ASSERT_MSG_JUN_23_2009_0836AM)
Chris@16: #define BOOST_SPIRIT_ASSERT_MSG_JUN_23_2009_0836AM
Chris@16: 
Chris@16: #if defined(_MSC_VER)
Chris@16: #pragma once
Chris@16: #endif
Chris@16: 
Chris@16: #include <boost/config.hpp>
Chris@16: 
Chris@16: // Work around the MPL problem in BOOST_MPL_ASSERT_MSG generating
Chris@16: // multiple definition linker errors for certain compilers (VC++ 8).
Chris@16: // BOOST_SPIRIT_DONT_USE_MPL_ASSERT_MSG can also be defined by user.
Chris@16: #if !defined(BOOST_SPIRIT_DONT_USE_MPL_ASSERT_MSG)
Chris@16: # if defined(BOOST_MSVC) && BOOST_MSVC < 1500
Chris@16: #  define BOOST_SPIRIT_DONT_USE_MPL_ASSERT_MSG 1
Chris@16: # endif
Chris@16: #endif
Chris@16: 
Chris@16: #if !defined(BOOST_NO_CXX11_STATIC_ASSERT) || BOOST_SPIRIT_DONT_USE_MPL_ASSERT_MSG != 0
Chris@16: #include <boost/static_assert.hpp>
Chris@16: #define BOOST_SPIRIT_ASSERT_MSG(Cond, Msg, Types)                             \
Chris@16:         BOOST_STATIC_ASSERT_MSG(Cond, # Msg)
Chris@16: #else
Chris@16: #include <boost/mpl/assert.hpp>
Chris@16: #define BOOST_SPIRIT_ASSERT_MSG(Cond, Msg, Types)                             \
Chris@16:         BOOST_MPL_ASSERT_MSG(Cond, Msg, Types)
Chris@16: #endif
Chris@16: 
Chris@16: #define BOOST_SPIRIT_ASSERT_MATCH(Domain, Expr)                               \
Chris@16:         BOOST_SPIRIT_ASSERT_MSG((                                             \
Chris@16:             boost::spirit::traits::matches< Domain, Expr >::value             \
Chris@16:         ), error_invalid_expression, (Expr))
Chris@16: 
Chris@16: // GCC 4.7 will overeagerly instantiate static_asserts in template functions,
Chris@16: // if the assert condition does not depend on template parameters
Chris@16: // (see https://svn.boost.org/trac/boost/ticket/8381).
Chris@16: // There are places where we want to use constant false as the condition in
Chris@16: // template functions to indicate that these function overloads should never
Chris@16: // be called. This allows to generate better error messages. To solve this
Chris@16: // problem we make the condition dependent on the template argument and use
Chris@16: // the following macro in such places.
Chris@16: #include <boost/type_traits/is_same.hpp>
Chris@16: 
Chris@16: #define BOOST_SPIRIT_ASSERT_FAIL(TemplateParam, Msg, Types)                   \
Chris@16:         BOOST_SPIRIT_ASSERT_MSG((!boost::is_same<                             \
Chris@16:             TemplateParam, TemplateParam >::value), Msg, Types)
Chris@16: 
Chris@16: #endif
Chris@16: