/////////////////////////////////////////////////////////////////////////////// | |
// 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 |