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annotate DEPENDENCIES/generic/include/boost/proto/transform/detail/expand_pack.hpp @ 125:34e428693f5d vext

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Vext -> Repoint
author Chris Cannam
date Thu, 14 Jun 2018 11:15:39 +0100
parents 2665513ce2d3
children
rev   line source
Chris@16 1 #if !defined(BOOST_PROTO_DONT_USE_PREPROCESSED_FILES)
Chris@16 2
Chris@16 3 #include <boost/proto/transform/detail/preprocessed/expand_pack.hpp>
Chris@16 4
Chris@16 5 #elif !defined(BOOST_PP_IS_ITERATING)
Chris@16 6
Chris@16 7 #if defined(__WAVE__) && defined(BOOST_PROTO_CREATE_PREPROCESSED_FILES)
Chris@16 8 #pragma wave option(preserve: 2, line: 0, output: "preprocessed/expand_pack.hpp")
Chris@16 9 #endif
Chris@16 10
Chris@16 11 ///////////////////////////////////////////////////////////////////////////////
Chris@16 12 /// \file expand_pack.hpp
Chris@16 13 /// Contains helpers for pseudo-pack expansion.
Chris@16 14 //
Chris@16 15 // Copyright 2012 Eric Niebler. Distributed under the Boost
Chris@16 16 // Software License, Version 1.0. (See accompanying file
Chris@16 17 // LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
Chris@16 18
Chris@16 19 #if defined(__WAVE__) && defined(BOOST_PROTO_CREATE_PREPROCESSED_FILES)
Chris@16 20 #pragma wave option(preserve: 1)
Chris@16 21 #endif
Chris@16 22
Chris@16 23 #define BOOST_PP_ITERATION_PARAMS_1 \
Chris@16 24 (3, (0, BOOST_PROTO_MAX_ARITY, <boost/proto/transform/detail/expand_pack.hpp>))
Chris@16 25 #include BOOST_PP_ITERATE()
Chris@16 26
Chris@16 27 #if defined(__WAVE__) && defined(BOOST_PROTO_CREATE_PREPROCESSED_FILES)
Chris@16 28 #pragma wave option(output: null)
Chris@16 29 #endif
Chris@16 30
Chris@16 31 #else
Chris@16 32 #define N BOOST_PP_ITERATION()
Chris@16 33 #define M0(Z, X, DATA) typename expand_pattern_helper<Tfx, BOOST_PP_CAT(A, X)>::type
Chris@16 34 #define M1(Z, X, DATA) expand_pattern_helper<Tfx, BOOST_PP_CAT(A, X)>::applied::value ||
Chris@16 35
Chris@16 36 template<typename Tfx, typename Ret BOOST_PP_ENUM_TRAILING_PARAMS(N, typename A)>
Chris@16 37 struct expand_pattern_helper<Tfx, Ret(BOOST_PP_ENUM_PARAMS(N, A))>
Chris@16 38 {
Chris@16 39 typedef Ret (*type)(BOOST_PP_ENUM(N, M0, ~));
Chris@16 40 typedef mpl::bool_<BOOST_PP_REPEAT(N, M1, ~) false> applied;
Chris@16 41 };
Chris@16 42
Chris@16 43 #undef M1
Chris@16 44 #undef M0
Chris@16 45 #undef N
Chris@16 46 #endif