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744 lines
16 KiB
744 lines
16 KiB
/////////////////////////////////////////////////////////////////////////////// |
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/// \file when.hpp |
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/// Definition of when transform. |
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// |
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// Copyright 2008 Eric Niebler. Distributed under the Boost |
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// Software License, Version 1.0. (See accompanying file |
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// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) |
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template<typename Grammar, typename R > |
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struct when<Grammar, R()> |
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: transform<when<Grammar, R()> > |
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{ |
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typedef Grammar first; |
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typedef R second(); |
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typedef typename Grammar::proto_grammar proto_grammar; |
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template<typename Expr, typename State, typename Data> |
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struct impl : transform_impl<Expr, State, Data> |
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{ |
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typedef |
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typename mpl::if_c< |
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is_callable<R>::value |
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, call<R()> |
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, make<R()> |
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>::type |
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which; |
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typedef typename which::template impl<Expr, State, Data>::result_type result_type; |
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result_type operator ()( |
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typename impl::expr_param e |
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, typename impl::state_param s |
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, typename impl::data_param d |
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) const |
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{ |
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return typename which::template impl<Expr, State, Data>()(e, s, d); |
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} |
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}; |
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}; |
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template<typename Grammar, typename R , typename A0> |
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struct when<Grammar, R(A0)> |
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: transform<when<Grammar, R(A0)> > |
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{ |
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typedef Grammar first; |
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typedef R second(A0); |
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typedef typename Grammar::proto_grammar proto_grammar; |
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template<typename Expr, typename State, typename Data> |
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struct impl : transform_impl<Expr, State, Data> |
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{ |
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typedef |
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typename mpl::if_c< |
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is_callable<R>::value |
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, call<R(A0)> |
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, make<R(A0)> |
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>::type |
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which; |
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typedef typename which::template impl<Expr, State, Data>::result_type result_type; |
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result_type operator ()( |
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typename impl::expr_param e |
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, typename impl::state_param s |
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, typename impl::data_param d |
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) const |
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{ |
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return typename which::template impl<Expr, State, Data>()(e, s, d); |
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} |
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}; |
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}; |
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template<typename Grammar, typename R , typename A0 , typename A1> |
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struct when<Grammar, R(A0 , A1)> |
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: transform<when<Grammar, R(A0 , A1)> > |
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{ |
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typedef Grammar first; |
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typedef R second(A0 , A1); |
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typedef typename Grammar::proto_grammar proto_grammar; |
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template<typename Expr, typename State, typename Data> |
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struct impl : transform_impl<Expr, State, Data> |
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{ |
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typedef |
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typename mpl::if_c< |
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is_callable<R>::value |
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, call<R(A0 , A1)> |
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, make<R(A0 , A1)> |
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>::type |
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which; |
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typedef typename which::template impl<Expr, State, Data>::result_type result_type; |
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result_type operator ()( |
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typename impl::expr_param e |
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, typename impl::state_param s |
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, typename impl::data_param d |
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) const |
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{ |
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return typename which::template impl<Expr, State, Data>()(e, s, d); |
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} |
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}; |
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}; |
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template<typename Grammar, typename R , typename A0 , typename A1 , typename A2> |
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struct when<Grammar, R(A0 , A1 , A2)> |
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: transform<when<Grammar, R(A0 , A1 , A2)> > |
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{ |
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typedef Grammar first; |
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typedef R second(A0 , A1 , A2); |
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typedef typename Grammar::proto_grammar proto_grammar; |
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template<typename Expr, typename State, typename Data> |
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struct impl : transform_impl<Expr, State, Data> |
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{ |
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typedef |
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typename mpl::if_c< |
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is_callable<R>::value |
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, call<R(A0 , A1 , A2)> |
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, make<R(A0 , A1 , A2)> |
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>::type |
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which; |
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typedef typename which::template impl<Expr, State, Data>::result_type result_type; |
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result_type operator ()( |
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typename impl::expr_param e |
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, typename impl::state_param s |
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, typename impl::data_param d |
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) const |
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{ |
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return typename which::template impl<Expr, State, Data>()(e, s, d); |
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} |
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}; |
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}; |
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template<typename Grammar, typename R , typename A0 , typename A1 , typename A2 , typename A3> |
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struct when<Grammar, R(A0 , A1 , A2 , A3)> |
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: transform<when<Grammar, R(A0 , A1 , A2 , A3)> > |
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{ |
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typedef Grammar first; |
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typedef R second(A0 , A1 , A2 , A3); |
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typedef typename Grammar::proto_grammar proto_grammar; |
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template<typename Expr, typename State, typename Data> |
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struct impl : transform_impl<Expr, State, Data> |
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{ |
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typedef |
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typename mpl::if_c< |
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is_callable<R>::value |
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, call<R(A0 , A1 , A2 , A3)> |
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, make<R(A0 , A1 , A2 , A3)> |
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>::type |
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which; |
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typedef typename which::template impl<Expr, State, Data>::result_type result_type; |
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result_type operator ()( |
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typename impl::expr_param e |
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, typename impl::state_param s |
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, typename impl::data_param d |
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) const |
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{ |
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return typename which::template impl<Expr, State, Data>()(e, s, d); |
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} |
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}; |
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}; |
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template<typename Grammar, typename R , typename A0 , typename A1 , typename A2 , typename A3 , typename A4> |
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struct when<Grammar, R(A0 , A1 , A2 , A3 , A4)> |
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: transform<when<Grammar, R(A0 , A1 , A2 , A3 , A4)> > |
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{ |
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typedef Grammar first; |
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typedef R second(A0 , A1 , A2 , A3 , A4); |
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typedef typename Grammar::proto_grammar proto_grammar; |
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template<typename Expr, typename State, typename Data> |
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struct impl : transform_impl<Expr, State, Data> |
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{ |
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typedef |
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typename mpl::if_c< |
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is_callable<R>::value |
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, call<R(A0 , A1 , A2 , A3 , A4)> |
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, make<R(A0 , A1 , A2 , A3 , A4)> |
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>::type |
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which; |
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typedef typename which::template impl<Expr, State, Data>::result_type result_type; |
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result_type operator ()( |
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typename impl::expr_param e |
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, typename impl::state_param s |
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, typename impl::data_param d |
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) const |
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{ |
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return typename which::template impl<Expr, State, Data>()(e, s, d); |
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} |
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}; |
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}; |
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template<typename Grammar, typename R , typename A0 , typename A1 , typename A2 , typename A3 , typename A4 , typename A5> |
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struct when<Grammar, R(A0 , A1 , A2 , A3 , A4 , A5)> |
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: transform<when<Grammar, R(A0 , A1 , A2 , A3 , A4 , A5)> > |
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{ |
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typedef Grammar first; |
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typedef R second(A0 , A1 , A2 , A3 , A4 , A5); |
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typedef typename Grammar::proto_grammar proto_grammar; |
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template<typename Expr, typename State, typename Data> |
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struct impl : transform_impl<Expr, State, Data> |
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{ |
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typedef |
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typename mpl::if_c< |
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is_callable<R>::value |
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, call<R(A0 , A1 , A2 , A3 , A4 , A5)> |
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, make<R(A0 , A1 , A2 , A3 , A4 , A5)> |
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>::type |
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which; |
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typedef typename which::template impl<Expr, State, Data>::result_type result_type; |
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result_type operator ()( |
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typename impl::expr_param e |
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, typename impl::state_param s |
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, typename impl::data_param d |
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) const |
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{ |
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return typename which::template impl<Expr, State, Data>()(e, s, d); |
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} |
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}; |
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}; |
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template<typename Grammar, typename R , typename A0 , typename A1 , typename A2 , typename A3 , typename A4 , typename A5 , typename A6> |
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struct when<Grammar, R(A0 , A1 , A2 , A3 , A4 , A5 , A6)> |
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: transform<when<Grammar, R(A0 , A1 , A2 , A3 , A4 , A5 , A6)> > |
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{ |
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typedef Grammar first; |
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typedef R second(A0 , A1 , A2 , A3 , A4 , A5 , A6); |
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typedef typename Grammar::proto_grammar proto_grammar; |
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template<typename Expr, typename State, typename Data> |
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struct impl : transform_impl<Expr, State, Data> |
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{ |
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typedef |
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typename mpl::if_c< |
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is_callable<R>::value |
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, call<R(A0 , A1 , A2 , A3 , A4 , A5 , A6)> |
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, make<R(A0 , A1 , A2 , A3 , A4 , A5 , A6)> |
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>::type |
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which; |
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typedef typename which::template impl<Expr, State, Data>::result_type result_type; |
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result_type operator ()( |
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typename impl::expr_param e |
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, typename impl::state_param s |
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, typename impl::data_param d |
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) const |
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{ |
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return typename which::template impl<Expr, State, Data>()(e, s, d); |
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} |
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}; |
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}; |
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template<typename Grammar, typename R , typename A0 , typename A1 , typename A2 , typename A3 , typename A4 , typename A5 , typename A6 , typename A7> |
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struct when<Grammar, R(A0 , A1 , A2 , A3 , A4 , A5 , A6 , A7)> |
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: transform<when<Grammar, R(A0 , A1 , A2 , A3 , A4 , A5 , A6 , A7)> > |
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{ |
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typedef Grammar first; |
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typedef R second(A0 , A1 , A2 , A3 , A4 , A5 , A6 , A7); |
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typedef typename Grammar::proto_grammar proto_grammar; |
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template<typename Expr, typename State, typename Data> |
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struct impl : transform_impl<Expr, State, Data> |
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{ |
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typedef |
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typename mpl::if_c< |
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is_callable<R>::value |
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, call<R(A0 , A1 , A2 , A3 , A4 , A5 , A6 , A7)> |
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, make<R(A0 , A1 , A2 , A3 , A4 , A5 , A6 , A7)> |
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>::type |
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which; |
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typedef typename which::template impl<Expr, State, Data>::result_type result_type; |
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result_type operator ()( |
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typename impl::expr_param e |
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, typename impl::state_param s |
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, typename impl::data_param d |
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) const |
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{ |
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return typename which::template impl<Expr, State, Data>()(e, s, d); |
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} |
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}; |
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}; |
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template<typename Grammar, typename R , typename A0 , typename A1 , typename A2 , typename A3 , typename A4 , typename A5 , typename A6 , typename A7 , typename A8> |
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struct when<Grammar, R(A0 , A1 , A2 , A3 , A4 , A5 , A6 , A7 , A8)> |
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: transform<when<Grammar, R(A0 , A1 , A2 , A3 , A4 , A5 , A6 , A7 , A8)> > |
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{ |
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typedef Grammar first; |
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typedef R second(A0 , A1 , A2 , A3 , A4 , A5 , A6 , A7 , A8); |
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typedef typename Grammar::proto_grammar proto_grammar; |
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template<typename Expr, typename State, typename Data> |
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struct impl : transform_impl<Expr, State, Data> |
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{ |
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typedef |
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typename mpl::if_c< |
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is_callable<R>::value |
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, call<R(A0 , A1 , A2 , A3 , A4 , A5 , A6 , A7 , A8)> |
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, make<R(A0 , A1 , A2 , A3 , A4 , A5 , A6 , A7 , A8)> |
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>::type |
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which; |
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typedef typename which::template impl<Expr, State, Data>::result_type result_type; |
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result_type operator ()( |
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typename impl::expr_param e |
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, typename impl::state_param s |
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, typename impl::data_param d |
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) const |
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{ |
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return typename which::template impl<Expr, State, Data>()(e, s, d); |
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} |
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}; |
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}; |
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template<typename Grammar, typename R , typename A0 , typename A1 , typename A2 , typename A3 , typename A4 , typename A5 , typename A6 , typename A7 , typename A8 , typename A9> |
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struct when<Grammar, R(A0 , A1 , A2 , A3 , A4 , A5 , A6 , A7 , A8 , A9)> |
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: transform<when<Grammar, R(A0 , A1 , A2 , A3 , A4 , A5 , A6 , A7 , A8 , A9)> > |
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{ |
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typedef Grammar first; |
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typedef R second(A0 , A1 , A2 , A3 , A4 , A5 , A6 , A7 , A8 , A9); |
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typedef typename Grammar::proto_grammar proto_grammar; |
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template<typename Expr, typename State, typename Data> |
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struct impl : transform_impl<Expr, State, Data> |
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{ |
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typedef |
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typename mpl::if_c< |
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is_callable<R>::value |
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, call<R(A0 , A1 , A2 , A3 , A4 , A5 , A6 , A7 , A8 , A9)> |
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, make<R(A0 , A1 , A2 , A3 , A4 , A5 , A6 , A7 , A8 , A9)> |
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>::type |
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which; |
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typedef typename which::template impl<Expr, State, Data>::result_type result_type; |
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result_type operator ()( |
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typename impl::expr_param e |
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, typename impl::state_param s |
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, typename impl::data_param d |
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) const |
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{ |
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return typename which::template impl<Expr, State, Data>()(e, s, d); |
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} |
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}; |
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};
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