| /////////////////////////////////////////////////////////////////////////////// |
| // 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) && (_MSC_VER >= 1020) |
| # 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) && (_MSC_VER >= 1020) |
| # pragma warning(pop) |
| #endif |
| |
| #endif |