diff options
Diffstat (limited to 'boost/metaparse/v1/build_parser.hpp')
| -rw-r--r-- | boost/metaparse/v1/build_parser.hpp | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/boost/metaparse/v1/build_parser.hpp b/boost/metaparse/v1/build_parser.hpp new file mode 100644 index 0000000000..692fcf74ad --- /dev/null +++ b/boost/metaparse/v1/build_parser.hpp @@ -0,0 +1,66 @@ +#ifndef BOOST_METAPARSE_V1_BUILD_PARSER_HPP +#define BOOST_METAPARSE_V1_BUILD_PARSER_HPP + +// Copyright Abel Sinkovics (abel@sinkovics.hu) 2009 - 2010. +// 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) + +#include <boost/metaparse/v1/fwd/build_parser.hpp> +#include <boost/metaparse/v1/start.hpp> +#include <boost/metaparse/v1/get_result.hpp> +#include <boost/metaparse/v1/get_position.hpp> +#include <boost/metaparse/v1/get_message.hpp> +#include <boost/metaparse/v1/get_line.hpp> +#include <boost/metaparse/v1/get_col.hpp> +#include <boost/metaparse/v1/is_error.hpp> + +#include <boost/mpl/eval_if.hpp> + +#include <boost/static_assert.hpp> + +namespace boost +{ + namespace metaparse + { + namespace v1 + { + template <int Line, int Col, class Msg> + struct x__________________PARSING_FAILED__________________x + { + BOOST_STATIC_ASSERT(Line == Line + 1); + }; + + template <class P, class S> + struct parsing_failed : + x__________________PARSING_FAILED__________________x< + get_line< + get_position<typename P::template apply<S, start> > + >::type::value, + get_col< + get_position<typename P::template apply<S, start> > + >::type::value, + typename get_message<typename P::template apply<S, start> >::type + > + {}; + + template <class P> + struct build_parser + { + typedef build_parser type; + + template <class S> + struct apply : + boost::mpl::eval_if< + typename is_error<typename P::template apply<S, start> >::type, + parsing_failed<P, S>, + get_result<typename P::template apply<S, start> > + > + {}; + }; + } + } +} + +#endif + |