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

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/context/detail/preprocessed/default_eval.hpp>
Chris@16 4
Chris@16 5 #elif !defined(BOOST_PP_IS_ITERATING)
Chris@16 6
Chris@16 7 #define BOOST_PROTO_DEFAULT_EVAL_SHIFTED(Z, M, DATA) \
Chris@16 8 BOOST_PROTO_DEFAULT_EVAL(Z, BOOST_PP_ADD(M, 2), DATA) \
Chris@16 9 /**/
Chris@16 10
Chris@16 11 #if defined(__WAVE__) && defined(BOOST_PROTO_CREATE_PREPROCESSED_FILES)
Chris@16 12 #pragma wave option(preserve: 2, line: 0, output: "preprocessed/default_eval.hpp")
Chris@16 13 #endif
Chris@16 14
Chris@16 15 ///////////////////////////////////////////////////////////////////////////////
Chris@16 16 /// \file default_eval.hpp
Chris@16 17 /// Contains specializations of the default_eval\<\> class template.
Chris@16 18 //
Chris@16 19 // Copyright 2008 Eric Niebler. Distributed under the Boost
Chris@16 20 // Software License, Version 1.0. (See accompanying file
Chris@16 21 // LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
Chris@16 22
Chris@16 23 #if defined(__WAVE__) && defined(BOOST_PROTO_CREATE_PREPROCESSED_FILES)
Chris@16 24 #pragma wave option(preserve: 1)
Chris@16 25 #endif
Chris@16 26
Chris@16 27 #define BOOST_PP_ITERATION_PARAMS_1 \
Chris@16 28 (3, (3, BOOST_PROTO_MAX_ARITY, <boost/proto/context/detail/default_eval.hpp>))
Chris@16 29 #include BOOST_PP_ITERATE()
Chris@16 30
Chris@16 31 #if defined(__WAVE__) && defined(BOOST_PROTO_CREATE_PREPROCESSED_FILES)
Chris@16 32 #pragma wave option(output: null)
Chris@16 33 #endif
Chris@16 34
Chris@16 35 #undef BOOST_PROTO_DEFAULT_EVAL_SHIFTED
Chris@16 36
Chris@16 37 #else
Chris@16 38
Chris@16 39 #define N BOOST_PP_ITERATION()
Chris@16 40
Chris@16 41 template<typename Expr, typename Context>
Chris@16 42 struct default_eval<Expr, Context, proto::tag::function, N>
Chris@16 43 {
Chris@16 44 typedef
Chris@16 45 typename proto::detail::result_of_fixup<
Chris@16 46 BOOST_PROTO_DEFAULT_EVAL_TYPE(~, 0, Expr)
Chris@16 47 >::type
Chris@16 48 function_type;
Chris@16 49
Chris@16 50 typedef
Chris@16 51 typename BOOST_PROTO_RESULT_OF<
Chris@16 52 function_type(BOOST_PP_ENUM_SHIFTED(N, BOOST_PROTO_DEFAULT_EVAL_TYPE, Expr))
Chris@16 53 >::type
Chris@16 54 result_type;
Chris@16 55
Chris@16 56 result_type operator ()(Expr &expr, Context &context) const
Chris@16 57 {
Chris@16 58 return this->invoke(expr, context, is_member_function_pointer<function_type>());
Chris@16 59 }
Chris@16 60
Chris@16 61 private:
Chris@16 62 result_type invoke(Expr &expr, Context &context, mpl::false_) const
Chris@16 63 {
Chris@16 64 return BOOST_PROTO_DEFAULT_EVAL(~, 0, expr)(
Chris@16 65 BOOST_PP_ENUM_SHIFTED(N, BOOST_PROTO_DEFAULT_EVAL, expr)
Chris@16 66 );
Chris@16 67 }
Chris@16 68
Chris@16 69 result_type invoke(Expr &expr, Context &context, mpl::true_) const
Chris@16 70 {
Chris@16 71 BOOST_PROTO_USE_GET_POINTER();
Chris@16 72 typedef typename detail::class_member_traits<function_type>::class_type class_type;
Chris@16 73 return (
Chris@16 74 BOOST_PROTO_GET_POINTER(class_type, (BOOST_PROTO_DEFAULT_EVAL(~, 1, expr))) ->*
Chris@16 75 BOOST_PROTO_DEFAULT_EVAL(~, 0, expr)
Chris@16 76 )(BOOST_PP_ENUM(BOOST_PP_SUB(N, 2), BOOST_PROTO_DEFAULT_EVAL_SHIFTED, expr));
Chris@16 77 }
Chris@16 78 };
Chris@16 79
Chris@16 80 #undef N
Chris@16 81
Chris@16 82 #endif