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- ///////////////////////////////////////////////////////////////////////////////
- // alternate_end_matcher.hpp
- //
- // Copyright 2008 Eric Niebler. Distributed under the Boost
- // Software License, Version 1.0. (See accompanying file
- // LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
- #ifndef BOOST_XPRESSIVE_DETAIL_CORE_MATCHER_ALTERNATE_END_MATCHER_HPP_EAN_10_04_2005
- #define BOOST_XPRESSIVE_DETAIL_CORE_MATCHER_ALTERNATE_END_MATCHER_HPP_EAN_10_04_2005
- // MS compatible compilers support #pragma once
- #if defined(_MSC_VER)
- # pragma once
- # pragma warning(push)
- # pragma warning(disable : 4100) // unreferenced formal parameter
- #endif
- #include <boost/xpressive/detail/detail_fwd.hpp>
- #include <boost/xpressive/detail/core/quant_style.hpp>
- #include <boost/xpressive/detail/core/state.hpp>
- namespace boost { namespace xpressive { namespace detail
- {
- ///////////////////////////////////////////////////////////////////////////////
- // alternate_end_matcher
- //
- struct alternate_end_matcher
- : quant_style_assertion
- {
- mutable void const *back_;
- alternate_end_matcher()
- : back_(0)
- {
- }
- template<typename BidiIter, typename Next>
- bool match(match_state<BidiIter> &state, Next const &next) const
- {
- return next.pop_match(state, this->back_);
- }
- };
- }}}
- #if defined(_MSC_VER)
- # pragma warning(pop)
- #endif
- #endif
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