| /*============================================================================= |
| Copyright (c) 2001-2007 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) |
| ==============================================================================*/ |
| #ifndef PHOENIX_STATEMENT_DO_WHILE_HPP |
| #define PHOENIX_STATEMENT_DO_WHILE_HPP |
| |
| #include <boost/spirit/home/phoenix/core/composite.hpp> |
| #include <boost/spirit/home/phoenix/core/compose.hpp> |
| |
| namespace boost { namespace phoenix |
| { |
| struct do_while_eval |
| { |
| template <typename Env, typename Cond, typename Do> |
| struct result |
| { |
| typedef void type; |
| }; |
| |
| template <typename RT, typename Env, typename Cond, typename Do> |
| static void |
| eval(Env const& env, Cond& cond, Do& do_) |
| { |
| do |
| do_.eval(env); |
| while (cond.eval(env)); |
| } |
| }; |
| |
| template <typename Do> |
| struct do_while_gen |
| { |
| do_while_gen(Do const& do_) |
| : do_(do_) {} |
| |
| template <typename Cond> |
| actor<typename as_composite<do_while_eval, Cond, Do>::type> |
| while_(Cond const& cond) const |
| { |
| return compose<do_while_eval>(cond, do_); |
| } |
| |
| Do do_; |
| }; |
| |
| struct do_gen |
| { |
| template <typename Do> |
| do_while_gen<Do> |
| operator[](Do const& do_) const |
| { |
| return do_while_gen<Do>(do_); |
| } |
| }; |
| |
| do_gen const do_ = do_gen(); |
| }} |
| |
| #endif |