/Src/Dependencies/Boost/boost/spirit/home/qi/operator/and_predicate.hpp
http://hadesmem.googlecode.com/ · C++ Header · 92 lines · 65 code · 13 blank · 14 comment · 0 complexity · 071c62bfbfdaf34f2bb0e65f96b6ab66 MD5 · raw file
- /*=============================================================================
- Copyright (c) 2001-2011 Joel de Guzman
- 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)
- =============================================================================*/
- #if !defined(SPIRIT_AND_PREDICATE_MARCH_23_2007_0617PM)
- #define SPIRIT_AND_PREDICATE_MARCH_23_2007_0617PM
- #if defined(_MSC_VER)
- #pragma once
- #endif
- #include <boost/spirit/home/qi/domain.hpp>
- #include <boost/spirit/home/qi/meta_compiler.hpp>
- #include <boost/spirit/home/qi/parser.hpp>
- #include <boost/spirit/home/qi/detail/attributes.hpp>
- #include <boost/spirit/home/support/info.hpp>
- #include <boost/spirit/home/support/has_semantic_action.hpp>
- #include <boost/spirit/home/support/handles_container.hpp>
- #include <boost/fusion/include/at.hpp>
- namespace boost { namespace spirit
- {
- ///////////////////////////////////////////////////////////////////////////
- // Enablers
- ///////////////////////////////////////////////////////////////////////////
- template <>
- struct use_operator<qi::domain, proto::tag::address_of> // enables &p
- : mpl::true_ {};
- }}
- namespace boost { namespace spirit { namespace qi
- {
- template <typename Subject>
- struct and_predicate : unary_parser<and_predicate<Subject> >
- {
- typedef Subject subject_type;
- template <typename Context, typename Iterator>
- struct attribute
- {
- typedef unused_type type;
- };
- and_predicate(Subject const& subject)
- : subject(subject) {}
- template <typename Iterator, typename Context
- , typename Skipper, typename Attribute>
- bool parse(Iterator& first, Iterator const& last
- , Context& context, Skipper const& skipper
- , Attribute& /*attr*/) const
- {
- Iterator i = first;
- return subject.parse(i, last, context, skipper, unused);
- }
- template <typename Context>
- info what(Context& context) const
- {
- return info("and-predicate", subject.what(context));
- }
- Subject subject;
- };
- ///////////////////////////////////////////////////////////////////////////
- // Parser generators: make_xxx function (objects)
- ///////////////////////////////////////////////////////////////////////////
- template <typename Elements, typename Modifiers>
- struct make_composite<proto::tag::address_of, Elements, Modifiers>
- : make_unary_composite<Elements, and_predicate>
- {};
- }}}
- namespace boost { namespace spirit { namespace traits
- {
- ///////////////////////////////////////////////////////////////////////////
- template <typename Subject>
- struct has_semantic_action<qi::and_predicate<Subject> >
- : unary_has_semantic_action<Subject> {};
- ///////////////////////////////////////////////////////////////////////////
- template <typename Subject, typename Attribute, typename Context
- , typename Iterator>
- struct handles_container<qi::and_predicate<Subject>, Attribute, Context
- , Iterator>
- : unary_handles_container<Subject, Attribute, Context, Iterator> {};
- }}}
- #endif