| 1 | /*============================================================================== |
|---|---|
| 2 | Copyright (c) 2001-2010 Joel de Guzman |
| 3 | Copyright (c) 2010 Thomas Heller |
| 4 | |
| 5 | Distributed under the Boost Software License, Version 1.0. (See accompanying |
| 6 | file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) |
| 7 | ==============================================================================*/ |
| 8 | #ifndef BOOST_PHOENIX_OBJECT_DELETE_HPP |
| 9 | #define BOOST_PHOENIX_OBJECT_DELETE_HPP |
| 10 | |
| 11 | #include <boost/phoenix/core/limits.hpp> |
| 12 | #include <boost/phoenix/core/expression.hpp> |
| 13 | #include <boost/phoenix/core/meta_grammar.hpp> |
| 14 | #include <boost/phoenix/core/call.hpp> |
| 15 | |
| 16 | BOOST_PHOENIX_DEFINE_EXPRESSION( |
| 17 | (boost)(phoenix)(delete_) |
| 18 | , (meta_grammar) |
| 19 | ) |
| 20 | |
| 21 | namespace boost { namespace phoenix |
| 22 | { |
| 23 | struct delete_eval |
| 24 | { |
| 25 | typedef void result_type; |
| 26 | |
| 27 | template <typename P, typename Context> |
| 28 | result_type |
| 29 | operator()(P const& p, Context const &ctx) const |
| 30 | { |
| 31 | delete boost::phoenix::eval(p, ctx); |
| 32 | } |
| 33 | }; |
| 34 | |
| 35 | template <typename Dummy> |
| 36 | struct default_actions::when<rule::delete_, Dummy> |
| 37 | : call<delete_eval> |
| 38 | {}; |
| 39 | |
| 40 | template <typename P> |
| 41 | inline |
| 42 | typename expression::delete_<P>::type const |
| 43 | delete_(P const& p) |
| 44 | { |
| 45 | return expression::delete_<P>::make(p); |
| 46 | } |
| 47 | |
| 48 | }} |
| 49 | |
| 50 | #endif |
| 51 |