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