Mercurial > hg > vamp-build-and-test
diff DEPENDENCIES/generic/include/boost/spirit/home/phoenix/statement/throw.hpp @ 16:2665513ce2d3
Add boost headers
author | Chris Cannam |
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date | Tue, 05 Aug 2014 11:11:38 +0100 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/DEPENDENCIES/generic/include/boost/spirit/home/phoenix/statement/throw.hpp Tue Aug 05 11:11:38 2014 +0100 @@ -0,0 +1,66 @@ +/*============================================================================= + Copyright (c) 2005-2007 Dan Marsden + Copyright (c) 2005-2007 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_THROW_HPP +#define PHOENIX_STATEMENT_THROW_HPP + +#include <boost/spirit/home/phoenix/core/actor.hpp> +#include <boost/spirit/home/phoenix/core/composite.hpp> +#include <boost/spirit/home/phoenix/core/compose.hpp> + +#include <boost/mpl/bool.hpp> + +namespace boost { namespace phoenix { + + struct throw_new_eval + { + template<typename Env, typename ThrowExpr> + struct result + { + typedef void type; + }; + + template<typename Rt, typename Env, typename ThrowExpr> + static void + eval(const Env& env, ThrowExpr& throwExpr) + { + throw throwExpr.eval(env); + } + }; + + struct throw_again_eval + { + typedef mpl::false_ no_nullary; + + template<typename Env> + struct result + { + typedef void type; + }; + + template<typename Env> + void eval(const Env&) const + { + throw; + } + }; + + inline actor<throw_again_eval> throw_() + { + return throw_again_eval(); + } + + template<typename Actor> + actor<typename as_composite<throw_new_eval, Actor>::type> + throw_(const Actor& a) + { + return compose<throw_new_eval>(a); + } +}} + +#endif