/usr/include/boost/phoenix/statement
Edit: /usr/include/boost/phoenix/statement/while.hpp (1850B)
/*==============================================================================
Copyright (c) 2001-2010 Joel de Guzman
Copyright (c) 2010 Thomas Heller
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 BOOST_PHOENIX_STATEMENT_WHILE_HPP
#define BOOST_PHOENIX_STATEMENT_WHILE_HPP
#include
#include
#include
#include
BOOST_PHOENIX_DEFINE_EXPRESSION(
(boost)(phoenix)(while_)
, (meta_grammar) // Cond
(meta_grammar) // Do
)
namespace boost { namespace phoenix
{
struct while_eval
{
typedef void result_type;
template
result_type
operator()(Cond const& cond, Do const& do_it, Context const & ctx) const
{
while(boost::phoenix::eval(cond, ctx))
{
boost::phoenix::eval(do_it, ctx);
}
}
};
template
struct default_actions::when
: call
{};
template
struct while_gen
{
while_gen(Cond const& cond_) : cond(cond_) {}
template
typename expression::while_::type const
operator[](Do const& do_it) const
{
return expression::while_::make(cond, do_it);
}
Cond const& cond;
};
template
inline
while_gen const
while_(Cond const& cond)
{
return while_gen(cond);
}
}}
#endif