projects / ceph.git / blame
| Commit | Line | Data |
|---|---|---|
| 7c673cae FG |
1 | // Copyright (c) 2001-2011 Hartmut Kaiser |
| 2 | // Copyright (c) 2001-2011 Joel de Guzman | |
| 3 | // | |
| 4 | // Distributed under the Boost Software License, Version 1.0. (See accompanying | |
| 5 | // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) | |
| 6 | ||
| 7 | #if !defined(BOOST_SPIRIT_LEX_REFERENCE_APR_20_2009_0827AM) | |
| 8 | #define BOOST_SPIRIT_LEX_REFERENCE_APR_20_2009_0827AM | |
| 9 | ||
| 10 | #if defined(_MSC_VER) | |
| 11 | #pragma once | |
| 12 | #endif | |
| 13 | ||
| 14 | #include <boost/spirit/home/lex/meta_compiler.hpp> | |
| 15 | #include <boost/spirit/home/lex/lexer_type.hpp> | |
| 16 | #include <boost/spirit/home/qi/reference.hpp> | |
| 17 | #include <boost/spirit/home/support/info.hpp> | |
| 18 | #include <boost/spirit/home/support/handles_container.hpp> | |
| 19 | #include <boost/ref.hpp> | |
| 20 | ||
| 21 | namespace boost { namespace spirit { namespace lex | |
| 22 | { | |
| 23 | /////////////////////////////////////////////////////////////////////////// | |
| 24 | // reference is a lexer that references another lexer (its Subject) | |
| 25 | // all lexer components are at the same time | |
| 26 | /////////////////////////////////////////////////////////////////////////// | |
| 27 | template <typename Subject, typename IdType = unused_type> | |
| 28 | struct reference; | |
| 29 | ||
| 30 | template <typename Subject> | |
| 31 | struct reference<Subject, unused_type> | |
| 32 | : qi::reference<Subject> | |
| 33 | , lexer_type<reference<Subject> > | |
| 34 | { | |
| 35 | reference(Subject& subject) | |
| 36 | : qi::reference<Subject>(subject) {} | |
| 37 | ||
| 38 | template <typename LexerDef, typename String> | |
| 39 | void collect(LexerDef& lexdef, String const& state | |
| 40 | , String const& targetstate) const | |
| 41 | { | |
| 42 | this->ref.get().collect(lexdef, state, targetstate); | |
| 43 | } | |
| 44 | ||
| 45 | template <typename LexerDef> | |
| 46 | void add_actions(LexerDef& lexdef) const | |
| 47 | { | |
| 48 | this->ref.get().add_actions(lexdef); | |
| 49 | } | |
| 50 | }; | |
| 51 | ||
| 52 | template <typename Subject, typename IdType> | |
| 53 | struct reference : reference<Subject> | |
| 54 | { | |
| 55 | reference(Subject& subject) | |
| 56 | : reference<Subject>(subject) {} | |
| 57 | ||
| 58 | IdType id() const | |
| 59 | { | |
| 60 | return this->ref.get().id(); | |
| 61 | } | |
| 62 | std::size_t unique_id() const | |
| 63 | { | |
| 64 | return this->ref.get().unique_id(); | |
| 65 | } | |
| 66 | std::size_t state() const | |
| 67 | { | |
| 68 | return this->ref.get().state(); | |
| 69 | } | |
| 70 | }; | |
| 71 | }}} | |
| 72 | ||
| 73 | namespace boost { namespace spirit { namespace traits | |
| 74 | { | |
| 75 | /////////////////////////////////////////////////////////////////////////// | |
| 76 | template <typename Subject, typename IdType | |
| 77 | , typename Attribute, typename Context, typename Iterator> | |
| 78 | struct handles_container<lex::reference<Subject, IdType> | |
| 79 | , Attribute, Context, Iterator> | |
| 80 | : handles_container< | |
| 81 | typename remove_const<Subject>::type, Attribute, Context, Iterator> | |
| 82 | {}; | |
| 83 | }}} | |
| 84 | ||
| 85 | #endif |