ceph/src/boost/boost/spirit/home/lex/lexer/sequence.hpp

   1 //  Copyright (c) 2001-2011 Hartmut Kaiser
   2 //
   3 //  Distributed under the Boost Software License, Version 1.0. (See accompanying
   4 //  file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
   5
   6 #if !defined(SPIRIT_LEX_SEQUENCE_MAR_28_2007_0610PM)
   7 #define SPIRIT_LEX_SEQUENCE_MAR_28_2007_0610PM
   8
   9 #if defined(_MSC_VER)
  10 #pragma once
  11 #endif
  12
  13 #include <boost/spirit/home/lex/domain.hpp>
  14 #include <boost/spirit/home/lex/lexer_type.hpp>
  15 #include <boost/spirit/home/lex/meta_compiler.hpp>
  16 #include <boost/spirit/home/lex/detail/sequence_function.hpp>
  17 #include <boost/fusion/include/any.hpp>
  18
  19 namespace boost { namespace spirit
  20 {
  21     ///////////////////////////////////////////////////////////////////////////
  22     // Enablers
  23     ///////////////////////////////////////////////////////////////////////////
  24     template <>
  25     struct use_operator<lex::domain, proto::tag::bitwise_or>  // enables |
  26       : mpl::true_ {};
  27
  28     template <>
  29     struct flatten_tree<lex::domain, proto::tag::bitwise_or>  // flattens |
  30       : mpl::true_ {};
  31
  32 }}
  33
  34 namespace boost { namespace spirit { namespace lex
  35 {
  36     template <typename Elements>
  37     struct sequence : nary_lexer<sequence<Elements> >
  38     {
  39         sequence(Elements const& elements)
  40           : elements(elements) {}
  41
  42         template <typename LexerDef, typename String>
  43         void collect(LexerDef& lexdef, String const& state
  44           , String const& targetstate) const
  45         {
  46             typedef detail::sequence_collect_function<LexerDef, String>
  47                 collect_function_type;
  48             collect_function_type f (lexdef, state, targetstate);
  49             fusion::any(elements, f);
  50         }
  51
  52         template <typename LexerDef>
  53         void add_actions(LexerDef& lexdef) const
  54         {
  55             detail::sequence_add_actions_function<LexerDef> f (lexdef);
  56             fusion::any(elements, f);
  57         }
  58
  59         Elements elements;
  60     };
  61
  62     ///////////////////////////////////////////////////////////////////////////
  63     // Lexer generator: make_xxx function (objects)
  64     ///////////////////////////////////////////////////////////////////////////
  65     template <typename Elements, typename Modifiers>
  66     struct make_composite<proto::tag::bitwise_or, Elements, Modifiers>
  67       : make_nary_composite<Elements, sequence>
  68     {};
  69
  70 }}} // namespace boost::spirit::lex
  71
  72 #endif