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Diffstat (limited to '3rdParty/Boost/src/boost/proto/operators.hpp')
| -rw-r--r-- | 3rdParty/Boost/src/boost/proto/operators.hpp | 378 |
1 files changed, 378 insertions, 0 deletions
diff --git a/3rdParty/Boost/src/boost/proto/operators.hpp b/3rdParty/Boost/src/boost/proto/operators.hpp new file mode 100644 index 0000000..1f2bad8 --- /dev/null +++ b/3rdParty/Boost/src/boost/proto/operators.hpp @@ -0,0 +1,378 @@ +/////////////////////////////////////////////////////////////////////////////// +/// \file operators.hpp +/// Contains all the overloaded operators that make it possible to build +/// Proto expression trees. +// +// Copyright 2008 Eric Niebler. 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_PROTO_OPERATORS_HPP_EAN_04_01_2005 +#define BOOST_PROTO_OPERATORS_HPP_EAN_04_01_2005 + +#include <boost/config.hpp> +#include <boost/preprocessor/punctuation/comma.hpp> +#include <boost/mpl/logical.hpp> +#include <boost/utility/enable_if.hpp> +#include <boost/proto/proto_fwd.hpp> +#include <boost/proto/tags.hpp> +#include <boost/proto/domain.hpp> +#include <boost/proto/matches.hpp> +#include <boost/proto/generate.hpp> +#include <boost/proto/make_expr.hpp> + +#if defined(_MSC_VER) && (_MSC_VER >= 1020) +# pragma warning(push) +# pragma warning(disable : 4714) // function 'xxx' marked as __forceinline not inlined +#endif + +namespace boost { namespace proto +{ + namespace detail + { + template<typename MakeExpr, typename Grammar> + struct lazy_matches + : proto::matches<typename MakeExpr::type, Grammar> + {}; + + template<typename Domain, typename Grammar, typename Trait, typename Tag, typename Arg> + struct enable_unary + : boost::lazy_enable_if_c< + boost::mpl::and_< + Trait + , lazy_matches<result_of::make_expr<Tag, basic_default_domain, Arg>, Grammar> + >::value + , result_of::make_expr<Tag, Domain, Arg> + > + {}; + + template<typename Domain, typename Trait, typename Tag, typename Arg> + struct enable_unary<Domain, proto::_, Trait, Tag, Arg &> + : boost::lazy_enable_if_c< + Trait::value + , result_of::make_expr<Tag, Domain, Arg &> + > + {}; + + template<typename Trait, typename Tag, typename Arg> + struct enable_unary<deduce_domain, not_a_grammar, Trait, Tag, Arg &> + : enable_unary< + typename domain_of<Arg>::type + , typename domain_of<Arg>::type::proto_grammar + , Trait + , Tag + , Arg & + > + {}; + + template<typename Domain, typename Grammar, typename Trait, typename Tag, typename Left, typename Right> + struct enable_binary + : boost::lazy_enable_if_c< + boost::mpl::and_< + Trait + , lazy_matches<result_of::make_expr<Tag, basic_default_domain, Left, Right>, Grammar> + >::value + , result_of::make_expr<Tag, Domain, Left, Right> + > + {}; + + template<typename Domain, typename Trait, typename Tag, typename Left, typename Right> + struct enable_binary<Domain, proto::_, Trait, Tag, Left &, Right &> + : boost::lazy_enable_if_c< + Trait::value + , result_of::make_expr<Tag, Domain, Left &, Right &> + > + {}; + + template<typename Trait, typename Tag, typename Left, typename Right> + struct enable_binary<deduce_domain, not_a_grammar, Trait, Tag, Left &, Right &> + : enable_binary< + typename deduce_domain2<Left, Right>::type + , typename deduce_domain2<Left, Right>::type::proto_grammar + , Trait + , Tag + , Left & + , Right & + > + {}; + + } // detail + +#define BOOST_PROTO_UNARY_OP_IS_POSTFIX_0 +#define BOOST_PROTO_UNARY_OP_IS_POSTFIX_1 , int + +#ifdef BOOST_NO_RVALUE_REFERENCES + +#define BOOST_PROTO_DEFINE_UNARY_OPERATOR(OP, TAG, TRAIT, DOMAIN, POST) \ + template<typename Arg> \ + BOOST_PROTO_DISABLE_MSVC_C4714 BOOST_FORCEINLINE \ + typename boost::proto::detail::enable_unary< \ + DOMAIN \ + , DOMAIN::proto_grammar \ + , BOOST_PROTO_APPLY_UNARY_(TRAIT, Arg) \ + , TAG \ + , Arg & \ + >::type const \ + operator OP(Arg &arg BOOST_PROTO_UNARY_OP_IS_POSTFIX_ ## POST) \ + { \ + return boost::proto::detail::make_expr_<TAG, DOMAIN, Arg &>()(arg); \ + } \ + \ + template<typename Arg> \ + BOOST_PROTO_DISABLE_MSVC_C4714 BOOST_FORCEINLINE \ + typename boost::proto::detail::enable_unary< \ + DOMAIN \ + , DOMAIN::proto_grammar \ + , BOOST_PROTO_APPLY_UNARY_(TRAIT, Arg) \ + , TAG \ + , Arg const & \ + >::type const \ + operator OP(Arg const &arg BOOST_PROTO_UNARY_OP_IS_POSTFIX_ ## POST) \ + { \ + return boost::proto::detail::make_expr_<TAG, DOMAIN, Arg const &>()(arg); \ + } \ + /**/ + +#define BOOST_PROTO_DEFINE_BINARY_OPERATOR(OP, TAG, TRAIT, DOMAIN) \ + template<typename Left, typename Right> \ + BOOST_PROTO_DISABLE_MSVC_C4714 BOOST_FORCEINLINE \ + typename boost::proto::detail::enable_binary< \ + DOMAIN \ + , DOMAIN::proto_grammar \ + , BOOST_PROTO_APPLY_BINARY_(TRAIT, Left, Right) \ + , TAG \ + , Left & \ + , Right & \ + >::type const \ + operator OP(Left &left, Right &right) \ + { \ + return boost::proto::detail::make_expr_<TAG, DOMAIN, Left &, Right &>()(left, right); \ + } \ + \ + template<typename Left, typename Right> \ + BOOST_PROTO_DISABLE_MSVC_C4714 BOOST_FORCEINLINE \ + typename boost::proto::detail::enable_binary< \ + DOMAIN \ + , DOMAIN::proto_grammar \ + , BOOST_PROTO_APPLY_BINARY_(TRAIT, Left, Right) \ + , TAG \ + , Left & \ + , Right const & \ + >::type const \ + operator OP(Left &left, Right const &right) \ + { \ + return boost::proto::detail::make_expr_<TAG, DOMAIN, Left &, Right const &>()(left, right); \ + } \ + \ + template<typename Left, typename Right> \ + BOOST_PROTO_DISABLE_MSVC_C4714 BOOST_FORCEINLINE \ + typename boost::proto::detail::enable_binary< \ + DOMAIN \ + , DOMAIN::proto_grammar \ + , BOOST_PROTO_APPLY_BINARY_(TRAIT, Left, Right) \ + , TAG \ + , Left const & \ + , Right & \ + >::type const \ + operator OP(Left const &left, Right &right) \ + { \ + return boost::proto::detail::make_expr_<TAG, DOMAIN, Left const &, Right &>()(left, right); \ + } \ + \ + template<typename Left, typename Right> \ + BOOST_PROTO_DISABLE_MSVC_C4714 BOOST_FORCEINLINE \ + typename boost::proto::detail::enable_binary< \ + DOMAIN \ + , DOMAIN::proto_grammar \ + , BOOST_PROTO_APPLY_BINARY_(TRAIT, Left, Right) \ + , TAG \ + , Left const & \ + , Right const & \ + >::type const \ + operator OP(Left const &left, Right const &right) \ + { \ + return boost::proto::detail::make_expr_<TAG, DOMAIN, Left const &, Right const &>()(left, right);\ + } \ + /**/ + +#else + +#define BOOST_PROTO_DEFINE_UNARY_OPERATOR(OP, TAG, TRAIT, DOMAIN, POST) \ + template<typename Arg> \ + BOOST_PROTO_DISABLE_MSVC_C4714 BOOST_FORCEINLINE \ + typename boost::proto::detail::enable_unary< \ + DOMAIN \ + , DOMAIN::proto_grammar \ + , BOOST_PROTO_APPLY_UNARY_(TRAIT, Arg) \ + , TAG \ + , Arg const & \ + >::type const \ + operator OP(Arg &&arg BOOST_PROTO_UNARY_OP_IS_POSTFIX_ ## POST) \ + { \ + return boost::proto::detail::make_expr_<TAG, DOMAIN, Arg const &>()(arg); \ + } \ + /**/ + +#define BOOST_PROTO_DEFINE_BINARY_OPERATOR(OP, TAG, TRAIT, DOMAIN) \ + template<typename Left, typename Right> \ + BOOST_PROTO_DISABLE_MSVC_C4714 BOOST_FORCEINLINE \ + typename boost::proto::detail::enable_binary< \ + DOMAIN \ + , DOMAIN::proto_grammar \ + , BOOST_PROTO_APPLY_BINARY_(TRAIT, Left, Right) \ + , TAG \ + , Left const & \ + , Right const & \ + >::type const \ + operator OP(Left &&left, Right &&right) \ + { \ + return boost::proto::detail::make_expr_<TAG, DOMAIN, Left const &, Right const &>()(left, right);\ + } \ + /**/ + +#endif + +#define BOOST_PROTO_DEFINE_OPERATORS(TRAIT, DOMAIN) \ + BOOST_PROTO_DEFINE_UNARY_OPERATOR(+, boost::proto::tag::unary_plus, TRAIT, DOMAIN, 0) \ + BOOST_PROTO_DEFINE_UNARY_OPERATOR(-, boost::proto::tag::negate, TRAIT, DOMAIN, 0) \ + BOOST_PROTO_DEFINE_UNARY_OPERATOR(*, boost::proto::tag::dereference, TRAIT, DOMAIN, 0) \ + BOOST_PROTO_DEFINE_UNARY_OPERATOR(~, boost::proto::tag::complement, TRAIT, DOMAIN, 0) \ + BOOST_PROTO_DEFINE_UNARY_OPERATOR(&, boost::proto::tag::address_of, TRAIT, DOMAIN, 0) \ + BOOST_PROTO_DEFINE_UNARY_OPERATOR(!, boost::proto::tag::logical_not, TRAIT, DOMAIN, 0) \ + BOOST_PROTO_DEFINE_UNARY_OPERATOR(++, boost::proto::tag::pre_inc, TRAIT, DOMAIN, 0) \ + BOOST_PROTO_DEFINE_UNARY_OPERATOR(--, boost::proto::tag::pre_dec, TRAIT, DOMAIN, 0) \ + BOOST_PROTO_DEFINE_UNARY_OPERATOR(++, boost::proto::tag::post_inc, TRAIT, DOMAIN, 1) \ + BOOST_PROTO_DEFINE_UNARY_OPERATOR(--, boost::proto::tag::post_dec, TRAIT, DOMAIN, 1) \ + BOOST_PROTO_DEFINE_BINARY_OPERATOR(<<, boost::proto::tag::shift_left, TRAIT, DOMAIN) \ + BOOST_PROTO_DEFINE_BINARY_OPERATOR(>>, boost::proto::tag::shift_right, TRAIT, DOMAIN) \ + BOOST_PROTO_DEFINE_BINARY_OPERATOR(*, boost::proto::tag::multiplies, TRAIT, DOMAIN) \ + BOOST_PROTO_DEFINE_BINARY_OPERATOR(/, boost::proto::tag::divides, TRAIT, DOMAIN) \ + BOOST_PROTO_DEFINE_BINARY_OPERATOR(%, boost::proto::tag::modulus, TRAIT, DOMAIN) \ + BOOST_PROTO_DEFINE_BINARY_OPERATOR(+, boost::proto::tag::plus, TRAIT, DOMAIN) \ + BOOST_PROTO_DEFINE_BINARY_OPERATOR(-, boost::proto::tag::minus, TRAIT, DOMAIN) \ + BOOST_PROTO_DEFINE_BINARY_OPERATOR(<, boost::proto::tag::less, TRAIT, DOMAIN) \ + BOOST_PROTO_DEFINE_BINARY_OPERATOR(>, boost::proto::tag::greater, TRAIT, DOMAIN) \ + BOOST_PROTO_DEFINE_BINARY_OPERATOR(<=, boost::proto::tag::less_equal, TRAIT, DOMAIN) \ + BOOST_PROTO_DEFINE_BINARY_OPERATOR(>=, boost::proto::tag::greater_equal, TRAIT, DOMAIN) \ + BOOST_PROTO_DEFINE_BINARY_OPERATOR(==, boost::proto::tag::equal_to, TRAIT, DOMAIN) \ + BOOST_PROTO_DEFINE_BINARY_OPERATOR(!=, boost::proto::tag::not_equal_to, TRAIT, DOMAIN) \ + BOOST_PROTO_DEFINE_BINARY_OPERATOR(||, boost::proto::tag::logical_or, TRAIT, DOMAIN) \ + BOOST_PROTO_DEFINE_BINARY_OPERATOR(&&, boost::proto::tag::logical_and, TRAIT, DOMAIN) \ + BOOST_PROTO_DEFINE_BINARY_OPERATOR(&, boost::proto::tag::bitwise_and, TRAIT, DOMAIN) \ + BOOST_PROTO_DEFINE_BINARY_OPERATOR(|, boost::proto::tag::bitwise_or, TRAIT, DOMAIN) \ + BOOST_PROTO_DEFINE_BINARY_OPERATOR(^, boost::proto::tag::bitwise_xor, TRAIT, DOMAIN) \ + BOOST_PROTO_DEFINE_BINARY_OPERATOR(BOOST_PP_COMMA(), boost::proto::tag::comma, TRAIT, DOMAIN) \ + BOOST_PROTO_DEFINE_BINARY_OPERATOR(->*, boost::proto::tag::mem_ptr, TRAIT, DOMAIN) \ + BOOST_PROTO_DEFINE_BINARY_OPERATOR(<<=, boost::proto::tag::shift_left_assign, TRAIT, DOMAIN) \ + BOOST_PROTO_DEFINE_BINARY_OPERATOR(>>=, boost::proto::tag::shift_right_assign, TRAIT, DOMAIN) \ + BOOST_PROTO_DEFINE_BINARY_OPERATOR(*=, boost::proto::tag::multiplies_assign, TRAIT, DOMAIN) \ + BOOST_PROTO_DEFINE_BINARY_OPERATOR(/=, boost::proto::tag::divides_assign, TRAIT, DOMAIN) \ + BOOST_PROTO_DEFINE_BINARY_OPERATOR(%=, boost::proto::tag::modulus_assign, TRAIT, DOMAIN) \ + BOOST_PROTO_DEFINE_BINARY_OPERATOR(+=, boost::proto::tag::plus_assign, TRAIT, DOMAIN) \ + BOOST_PROTO_DEFINE_BINARY_OPERATOR(-=, boost::proto::tag::minus_assign, TRAIT, DOMAIN) \ + BOOST_PROTO_DEFINE_BINARY_OPERATOR(&=, boost::proto::tag::bitwise_and_assign, TRAIT, DOMAIN) \ + BOOST_PROTO_DEFINE_BINARY_OPERATOR(|=, boost::proto::tag::bitwise_or_assign, TRAIT, DOMAIN) \ + BOOST_PROTO_DEFINE_BINARY_OPERATOR(^=, boost::proto::tag::bitwise_xor_assign, TRAIT, DOMAIN) \ + /**/ + + // Extensions are a superset of Proto expressions + template<typename T> + struct is_extension + : is_expr<T> + {}; + + template<typename T> + struct is_extension<T &> + : is_expr<T> + {}; + + #define BOOST_PROTO_APPLY_UNARY_(TRAIT, ARG) TRAIT<ARG> + #define BOOST_PROTO_APPLY_BINARY_(TRAIT, LEFT, RIGHT) boost::mpl::or_<TRAIT<LEFT>, TRAIT<RIGHT> > + + namespace exprns_ + { + // This defines all of Proto's built-in free operator overloads + BOOST_PROTO_DEFINE_OPERATORS(is_extension, deduce_domain) + + // if_else, for the non-overloadable ternary conditional operator ?: + template<typename A0, typename A1, typename A2> + BOOST_FORCEINLINE + typename result_of::make_expr< + tag::if_else_ + , deduce_domain + , A0 const & + , A1 const & + , A2 const & + >::type const + if_else(A0 const &a0, A1 const &a1, A2 const &a2) + { + return proto::detail::make_expr_< + tag::if_else_ + , deduce_domain + , A0 const & + , A1 const & + , A2 const & + >()(a0, a1, a2); + } + } + + using exprns_::if_else; + + #undef BOOST_PROTO_APPLY_UNARY_ + #undef BOOST_PROTO_APPLY_BINARY_ + + // Redefine BOOST_PROTO_APPLY_UNARY_ and BOOST_PROTO_APPLY_BINARY_ so that end users + // can use BOOST_PROTO_DEFINE_OPERATORS to define Proto operator overloads that work + // with their own terminal types. + +#ifdef BOOST_NO_RVALUE_REFERENCES + + #define BOOST_PROTO_APPLY_UNARY_(TRAIT, ARG) \ + boost::mpl::and_< \ + TRAIT<ARG> \ + , boost::mpl::not_<boost::proto::is_extension<ARG> > \ + > \ + /**/ + + #define BOOST_PROTO_APPLY_BINARY_(TRAIT, LEFT, RIGHT) \ + boost::mpl::and_< \ + boost::mpl::or_<TRAIT<LEFT>, TRAIT<RIGHT> > \ + , boost::mpl::not_< \ + boost::mpl::or_< \ + boost::proto::is_extension<LEFT> \ + , boost::proto::is_extension<RIGHT> \ + > \ + > \ + > \ + /**/ + +#else + + #define BOOST_PROTO_APPLY_UNARY_(TRAIT, ARG) \ + boost::mpl::and_< \ + TRAIT<BOOST_PROTO_UNCVREF(ARG) > \ + , boost::mpl::not_<boost::proto::is_extension<ARG> > \ + > \ + /**/ + + #define BOOST_PROTO_APPLY_BINARY_(TRAIT, LEFT, RIGHT) \ + boost::mpl::and_< \ + boost::mpl::or_<TRAIT<BOOST_PROTO_UNCVREF(LEFT) >, TRAIT<BOOST_PROTO_UNCVREF(RIGHT) > > \ + , boost::mpl::not_< \ + boost::mpl::or_< \ + boost::proto::is_extension<LEFT> \ + , boost::proto::is_extension<RIGHT> \ + > \ + > \ + > \ + /**/ + +#endif + +}} + +#if defined(_MSC_VER) && (_MSC_VER >= 1020) +# pragma warning(pop) +#endif + +#endif |