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- // Copyright (c) 2001-2011 Hartmut Kaiser
- //
- // 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_SPIRIT_LEX_LEXER_SEQUENCE_HPP
- #define BOOST_SPIRIT_LEX_LEXER_SEQUENCE_HPP
- #if defined(_MSC_VER)
- #pragma once
- #endif
- #include <boost/spirit/home/lex/domain.hpp>
- #include <boost/spirit/home/lex/lexer_type.hpp>
- #include <boost/spirit/home/lex/meta_compiler.hpp>
- #include <boost/spirit/home/lex/detail/sequence_function.hpp>
- #include <boost/fusion/include/any.hpp>
- #include <boost/proto/operators.hpp>
- #include <boost/proto/tags.hpp>
- namespace boost { namespace spirit
- {
- ///////////////////////////////////////////////////////////////////////////
- // Enablers
- ///////////////////////////////////////////////////////////////////////////
- template <>
- struct use_operator<lex::domain, proto::tag::bitwise_or> // enables |
- : mpl::true_ {};
- template <>
- struct flatten_tree<lex::domain, proto::tag::bitwise_or> // flattens |
- : mpl::true_ {};
- }}
- namespace boost { namespace spirit { namespace lex
- {
- template <typename Elements>
- struct sequence : nary_lexer<sequence<Elements> >
- {
- sequence(Elements const& elements)
- : elements(elements) {}
- template <typename LexerDef, typename String>
- void collect(LexerDef& lexdef, String const& state
- , String const& targetstate) const
- {
- typedef detail::sequence_collect_function<LexerDef, String>
- collect_function_type;
- collect_function_type f (lexdef, state, targetstate);
- fusion::any(elements, f);
- }
- template <typename LexerDef>
- void add_actions(LexerDef& lexdef) const
- {
- detail::sequence_add_actions_function<LexerDef> f (lexdef);
- fusion::any(elements, f);
- }
- Elements elements;
- };
- ///////////////////////////////////////////////////////////////////////////
- // Lexer generator: make_xxx function (objects)
- ///////////////////////////////////////////////////////////////////////////
- template <typename Elements, typename Modifiers>
- struct make_composite<proto::tag::bitwise_or, Elements, Modifiers>
- : make_nary_composite<Elements, sequence>
- {};
- }}} // namespace boost::spirit::lex
- #endif
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