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Diffstat (limited to 'ext/boost/mpl/bind.hpp')
-rw-r--r-- | ext/boost/mpl/bind.hpp | 551 |
1 files changed, 551 insertions, 0 deletions
diff --git a/ext/boost/mpl/bind.hpp b/ext/boost/mpl/bind.hpp new file mode 100644 index 0000000000..5d851ef5ad --- /dev/null +++ b/ext/boost/mpl/bind.hpp @@ -0,0 +1,551 @@ + +#if !defined(BOOST_PP_IS_ITERATING) + +///// header body + +#ifndef BOOST_MPL_BIND_HPP_INCLUDED +#define BOOST_MPL_BIND_HPP_INCLUDED + +// Copyright Peter Dimov 2001 +// Copyright Aleksey Gurtovoy 2001-2004 +// +// 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) +// +// See http://www.boost.org/libs/mpl for documentation. + +// $Id: bind.hpp 49267 2008-10-11 06:19:02Z agurtovoy $ +// $Date: 2008-10-11 02:19:02 -0400 (Sat, 11 Oct 2008) $ +// $Revision: 49267 $ + +#if !defined(BOOST_MPL_PREPROCESSING_MODE) +# include <boost/mpl/bind_fwd.hpp> +# include <boost/mpl/placeholders.hpp> +# include <boost/mpl/next.hpp> +# include <boost/mpl/protect.hpp> +# include <boost/mpl/apply_wrap.hpp> +# include <boost/mpl/limits/arity.hpp> +# include <boost/mpl/aux_/na.hpp> +# include <boost/mpl/aux_/arity_spec.hpp> +# include <boost/mpl/aux_/type_wrapper.hpp> +# include <boost/mpl/aux_/yes_no.hpp> +# if defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) +# include <boost/type_traits/is_reference.hpp> +# endif +#endif + +#include <boost/mpl/aux_/config/bind.hpp> +#include <boost/mpl/aux_/config/static_constant.hpp> +#include <boost/mpl/aux_/config/use_preprocessed.hpp> + +#if !defined(BOOST_MPL_CFG_NO_PREPROCESSED_HEADERS) \ + && !defined(BOOST_MPL_PREPROCESSING_MODE) + +# if defined(BOOST_MPL_CFG_NO_UNNAMED_PLACEHOLDER_SUPPORT) +# define BOOST_MPL_PREPROCESSED_HEADER basic_bind.hpp +# else +# define BOOST_MPL_PREPROCESSED_HEADER bind.hpp +# endif +# include <boost/mpl/aux_/include_preprocessed.hpp> + +#else + +# include <boost/mpl/aux_/preprocessor/params.hpp> +# include <boost/mpl/aux_/preprocessor/default_params.hpp> +# include <boost/mpl/aux_/preprocessor/def_params_tail.hpp> +# include <boost/mpl/aux_/preprocessor/partial_spec_params.hpp> +# include <boost/mpl/aux_/preprocessor/ext_params.hpp> +# include <boost/mpl/aux_/preprocessor/repeat.hpp> +# include <boost/mpl/aux_/preprocessor/enum.hpp> +# include <boost/mpl/aux_/preprocessor/add.hpp> +# include <boost/mpl/aux_/config/dmc_ambiguous_ctps.hpp> +# include <boost/mpl/aux_/config/ctps.hpp> +# include <boost/mpl/aux_/config/ttp.hpp> +# include <boost/mpl/aux_/config/dtp.hpp> +# include <boost/mpl/aux_/nttp_decl.hpp> + +# include <boost/preprocessor/iterate.hpp> +# include <boost/preprocessor/comma_if.hpp> +# include <boost/preprocessor/cat.hpp> +# include <boost/preprocessor/inc.hpp> + +namespace boost { namespace mpl { + +// local macros, #undef-ined at the end of the header +# define AUX778076_APPLY \ + BOOST_PP_CAT(apply_wrap,BOOST_MPL_LIMIT_METAFUNCTION_ARITY) \ + /**/ + +# if defined(BOOST_MPL_CFG_DMC_AMBIGUOUS_CTPS) +# define AUX778076_DMC_PARAM() , int dummy_ +# else +# define AUX778076_DMC_PARAM() +# endif + +# define AUX778076_BIND_PARAMS(param) \ + BOOST_MPL_PP_PARAMS( \ + BOOST_MPL_LIMIT_METAFUNCTION_ARITY \ + , param \ + ) \ + /**/ + +# define AUX778076_BIND_DEFAULT_PARAMS(param, value) \ + BOOST_MPL_PP_DEFAULT_PARAMS( \ + BOOST_MPL_LIMIT_METAFUNCTION_ARITY \ + , param \ + , value \ + ) \ + /**/ + +# define AUX778076_BIND_N_PARAMS(n, param) \ + BOOST_PP_COMMA_IF(n) BOOST_MPL_PP_PARAMS(n, param) \ + /**/ + +# define AUX778076_BIND_N_SPEC_PARAMS(n, param, def) \ + BOOST_PP_COMMA_IF(n) \ + BOOST_MPL_PP_PARTIAL_SPEC_PARAMS(n, param, def) \ + /**/ + +#if !defined(BOOST_MPL_CFG_NO_DEFAULT_PARAMETERS_IN_NESTED_TEMPLATES) +# define AUX778076_BIND_NESTED_DEFAULT_PARAMS(param, value) \ + AUX778076_BIND_DEFAULT_PARAMS(param, value) \ + /**/ +#else +# define AUX778076_BIND_NESTED_DEFAULT_PARAMS(param, value) \ + AUX778076_BIND_PARAMS(param) \ + /**/ +#endif + +namespace aux { + +#if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) + +template< + typename T, AUX778076_BIND_PARAMS(typename U) + > +struct resolve_bind_arg +{ + typedef T type; +}; + +# if !defined(BOOST_MPL_CFG_NO_UNNAMED_PLACEHOLDER_SUPPORT) + +template< + typename T + , typename Arg + > +struct replace_unnamed_arg +{ + typedef Arg next; + typedef T type; +}; + +template< + typename Arg + > +struct replace_unnamed_arg< arg<-1>,Arg > +{ + typedef typename Arg::next next; + typedef Arg type; +}; + +# endif // BOOST_MPL_CFG_NO_UNNAMED_PLACEHOLDER_SUPPORT + +template< + BOOST_MPL_AUX_NTTP_DECL(int, N), AUX778076_BIND_PARAMS(typename U) + > +struct resolve_bind_arg< arg<N>,AUX778076_BIND_PARAMS(U) > +{ + typedef typename AUX778076_APPLY<mpl::arg<N>, AUX778076_BIND_PARAMS(U)>::type type; +}; + +#if !defined(BOOST_MPL_CFG_NO_BIND_TEMPLATE) +template< + typename F, AUX778076_BIND_PARAMS(typename T), AUX778076_BIND_PARAMS(typename U) + > +struct resolve_bind_arg< bind<F,AUX778076_BIND_PARAMS(T)>,AUX778076_BIND_PARAMS(U) > +{ + typedef bind<F,AUX778076_BIND_PARAMS(T)> f_; + typedef typename AUX778076_APPLY<f_, AUX778076_BIND_PARAMS(U)>::type type; +}; +#endif + +#else // BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION + +// agurt, 15/jan/02: it's not a intended to be used as a function class, and +// MSVC6.5 has problems with 'apply' name here (the code compiles, but doesn't +// work), so I went with the 'result_' here, and in all other similar cases +template< bool > +struct resolve_arg_impl +{ + template< typename T, AUX778076_BIND_PARAMS(typename U) > struct result_ + { + typedef T type; + }; +}; + +template<> +struct resolve_arg_impl<true> +{ + template< typename T, AUX778076_BIND_PARAMS(typename U) > struct result_ + { + typedef typename AUX778076_APPLY< + T + , AUX778076_BIND_PARAMS(U) + >::type type; + }; +}; + +// for 'resolve_bind_arg' +template< typename T > struct is_bind_template; + +template< + typename T, AUX778076_BIND_PARAMS(typename U) + > +struct resolve_bind_arg + : resolve_arg_impl< is_bind_template<T>::value > + ::template result_< T,AUX778076_BIND_PARAMS(U) > +{ +}; + +# if !defined(BOOST_MPL_CFG_NO_UNNAMED_PLACEHOLDER_SUPPORT) + +template< typename T > +struct replace_unnamed_arg_impl +{ + template< typename Arg > struct result_ + { + typedef Arg next; + typedef T type; + }; +}; + +template<> +struct replace_unnamed_arg_impl< arg<-1> > +{ + template< typename Arg > struct result_ + { + typedef typename next<Arg>::type next; + typedef Arg type; + }; +}; + +template< typename T, typename Arg > +struct replace_unnamed_arg + : replace_unnamed_arg_impl<T>::template result_<Arg> +{ +}; + +# endif // BOOST_MPL_CFG_NO_UNNAMED_PLACEHOLDER_SUPPORT + +// agurt, 10/mar/02: the forward declaration has to appear before any of +// 'is_bind_helper' overloads, otherwise MSVC6.5 issues an ICE on it +template< BOOST_MPL_AUX_NTTP_DECL(int, arity_) > struct bind_chooser; + +aux::no_tag is_bind_helper(...); +template< typename T > aux::no_tag is_bind_helper(protect<T>*); + +// overload for "main" form +// agurt, 15/mar/02: MSVC 6.5 fails to properly resolve the overload +// in case if we use 'aux::type_wrapper< bind<...> >' here, and all +// 'bind' instantiations form a complete type anyway +#if !defined(BOOST_MPL_CFG_NO_BIND_TEMPLATE) +template< + typename F, AUX778076_BIND_PARAMS(typename T) + > +aux::yes_tag is_bind_helper(bind<F,AUX778076_BIND_PARAMS(T)>*); +#endif + +template< BOOST_MPL_AUX_NTTP_DECL(int, N) > +aux::yes_tag is_bind_helper(arg<N>*); + +template< bool is_ref_ = true > +struct is_bind_template_impl +{ + template< typename T > struct result_ + { + BOOST_STATIC_CONSTANT(bool, value = false); + }; +}; + +template<> +struct is_bind_template_impl<false> +{ + template< typename T > struct result_ + { + BOOST_STATIC_CONSTANT(bool, value = + sizeof(aux::is_bind_helper(static_cast<T*>(0))) + == sizeof(aux::yes_tag) + ); + }; +}; + +template< typename T > struct is_bind_template + : is_bind_template_impl< ::boost::detail::is_reference_impl<T>::value > + ::template result_<T> +{ +}; + +#endif // BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION + +} // namespace aux + + +#define BOOST_PP_ITERATION_PARAMS_1 \ + (3,(0, BOOST_MPL_LIMIT_METAFUNCTION_ARITY, <boost/mpl/bind.hpp>)) +#include BOOST_PP_ITERATE() + +#if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) \ + && !defined(BOOST_MPL_CFG_NO_TEMPLATE_TEMPLATE_PARAMETERS) +/// if_/eval_if specializations +# define AUX778076_SPEC_NAME if_ +# define BOOST_PP_ITERATION_PARAMS_1 (3,(3, 3, <boost/mpl/bind.hpp>)) +# include BOOST_PP_ITERATE() + +#if !defined(BOOST_MPL_CFG_DMC_AMBIGUOUS_CTPS) +# define AUX778076_SPEC_NAME eval_if +# define BOOST_PP_ITERATION_PARAMS_1 (3,(3, 3, <boost/mpl/bind.hpp>)) +# include BOOST_PP_ITERATE() +#endif +#endif + +// real C++ version is already taken care of +#if defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) \ + && !defined(BOOST_MPL_CFG_NO_BIND_TEMPLATE) + +namespace aux { +// apply_count_args +#define AUX778076_COUNT_ARGS_PREFIX bind +#define AUX778076_COUNT_ARGS_DEFAULT na +#define AUX778076_COUNT_ARGS_ARITY BOOST_MPL_LIMIT_METAFUNCTION_ARITY +#include <boost/mpl/aux_/count_args.hpp> +} + +// bind +template< + typename F, AUX778076_BIND_PARAMS(typename T) AUX778076_DMC_PARAM() + > +struct bind + : aux::bind_chooser< + aux::bind_count_args<AUX778076_BIND_PARAMS(T)>::value + >::template result_< F,AUX778076_BIND_PARAMS(T) >::type +{ +}; + +BOOST_MPL_AUX_ARITY_SPEC( + BOOST_PP_INC(BOOST_MPL_LIMIT_METAFUNCTION_ARITY) + , bind + ) + +BOOST_MPL_AUX_TEMPLATE_ARITY_SPEC( + BOOST_PP_INC(BOOST_MPL_LIMIT_METAFUNCTION_ARITY) + , bind + ) + + +#endif // BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION + +# undef AUX778076_BIND_NESTED_DEFAULT_PARAMS +# undef AUX778076_BIND_N_SPEC_PARAMS +# undef AUX778076_BIND_N_PARAMS +# undef AUX778076_BIND_DEFAULT_PARAMS +# undef AUX778076_BIND_PARAMS +# undef AUX778076_DMC_PARAM +# undef AUX778076_APPLY + +}} + +#endif // BOOST_MPL_CFG_NO_PREPROCESSED_HEADERS +#endif // BOOST_MPL_BIND_HPP_INCLUDED + +///// iteration, depth == 1 + +// For gcc 4.4 compatability, we must include the +// BOOST_PP_ITERATION_DEPTH test inside an #else clause. +#else // BOOST_PP_IS_ITERATING +#if BOOST_PP_ITERATION_DEPTH() == 1 + +# define i_ BOOST_PP_FRAME_ITERATION(1) + +#if defined(AUX778076_SPEC_NAME) + +// lazy metafunction specialization +template< template< BOOST_MPL_PP_PARAMS(i_, typename T) > class F, typename Tag > +struct BOOST_PP_CAT(quote,i_); + +template< BOOST_MPL_PP_PARAMS(i_, typename T) > struct AUX778076_SPEC_NAME; + +template< + typename Tag AUX778076_BIND_N_PARAMS(i_, typename T) + > +struct BOOST_PP_CAT(bind,i_)< + BOOST_PP_CAT(quote,i_)<AUX778076_SPEC_NAME,Tag> + AUX778076_BIND_N_PARAMS(i_,T) + > +{ + template< + AUX778076_BIND_NESTED_DEFAULT_PARAMS(typename U, na) + > + struct apply + { + private: + typedef mpl::arg<1> n1; +# define BOOST_PP_ITERATION_PARAMS_2 (3,(1, i_, <boost/mpl/bind.hpp>)) +# include BOOST_PP_ITERATE() + + typedef typename AUX778076_SPEC_NAME< + typename t1::type + , BOOST_MPL_PP_EXT_PARAMS(2, BOOST_PP_INC(i_), t) + >::type f_; + + public: + typedef typename f_::type type; + }; +}; + +#undef AUX778076_SPEC_NAME + +#else // AUX778076_SPEC_NAME + +template< + typename F AUX778076_BIND_N_PARAMS(i_, typename T) AUX778076_DMC_PARAM() + > +struct BOOST_PP_CAT(bind,i_) +{ + template< + AUX778076_BIND_NESTED_DEFAULT_PARAMS(typename U, na) + > + struct apply + { + private: +# if !defined(BOOST_MPL_CFG_NO_UNNAMED_PLACEHOLDER_SUPPORT) + + typedef aux::replace_unnamed_arg< F,mpl::arg<1> > r0; + typedef typename r0::type a0; + typedef typename r0::next n1; + typedef typename aux::resolve_bind_arg<a0,AUX778076_BIND_PARAMS(U)>::type f_; + /// +# else + typedef typename aux::resolve_bind_arg<F,AUX778076_BIND_PARAMS(U)>::type f_; + +# endif // BOOST_MPL_CFG_NO_UNNAMED_PLACEHOLDER_SUPPORT + +# if i_ > 0 +# define BOOST_PP_ITERATION_PARAMS_2 (3,(1, i_, <boost/mpl/bind.hpp>)) +# include BOOST_PP_ITERATE() +# endif + + public: + +# define AUX778076_ARG(unused, i_, t) \ + BOOST_PP_COMMA_IF(i_) \ + typename BOOST_PP_CAT(t,BOOST_PP_INC(i_))::type \ +/**/ + + typedef typename BOOST_PP_CAT(apply_wrap,i_)< + f_ + BOOST_PP_COMMA_IF(i_) BOOST_MPL_PP_REPEAT(i_, AUX778076_ARG, t) + >::type type; + +# undef AUX778076_ARG + }; +}; + +namespace aux { + +#if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) + +template< + typename F AUX778076_BIND_N_PARAMS(i_, typename T), AUX778076_BIND_PARAMS(typename U) + > +struct resolve_bind_arg< + BOOST_PP_CAT(bind,i_)<F AUX778076_BIND_N_PARAMS(i_,T)>,AUX778076_BIND_PARAMS(U) + > +{ + typedef BOOST_PP_CAT(bind,i_)<F AUX778076_BIND_N_PARAMS(i_,T)> f_; + typedef typename AUX778076_APPLY<f_, AUX778076_BIND_PARAMS(U)>::type type; +}; + +#else + +template< + typename F AUX778076_BIND_N_PARAMS(i_, typename T) + > +aux::yes_tag +is_bind_helper(BOOST_PP_CAT(bind,i_)<F AUX778076_BIND_N_PARAMS(i_,T)>*); + +#endif // BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION + +} // namespace aux + +BOOST_MPL_AUX_ARITY_SPEC(BOOST_PP_INC(i_), BOOST_PP_CAT(bind,i_)) +BOOST_MPL_AUX_TEMPLATE_ARITY_SPEC(BOOST_PP_INC(i_), BOOST_PP_CAT(bind,i_)) + +# if !defined(BOOST_MPL_CFG_NO_BIND_TEMPLATE) +# if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) + +#if i_ == BOOST_MPL_LIMIT_METAFUNCTION_ARITY +/// primary template (not a specialization!) +template< + typename F AUX778076_BIND_N_PARAMS(i_, typename T) AUX778076_DMC_PARAM() + > +struct bind + : BOOST_PP_CAT(bind,i_)<F AUX778076_BIND_N_PARAMS(i_,T) > +{ +}; +#else +template< + typename F AUX778076_BIND_N_PARAMS(i_, typename T) AUX778076_DMC_PARAM() + > +struct bind< F AUX778076_BIND_N_SPEC_PARAMS(i_, T, na) > + : BOOST_PP_CAT(bind,i_)<F AUX778076_BIND_N_PARAMS(i_,T) > +{ +}; +#endif + +# else // BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION + +namespace aux { + +template<> +struct bind_chooser<i_> +{ + template< + typename F, AUX778076_BIND_PARAMS(typename T) + > + struct result_ + { + typedef BOOST_PP_CAT(bind,i_)< F AUX778076_BIND_N_PARAMS(i_,T) > type; + }; +}; + +} // namespace aux + +# endif // BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION +# endif // BOOST_MPL_CFG_NO_BIND_TEMPLATE + +#endif // AUX778076_SPEC_NAME + +# undef i_ + +///// iteration, depth == 2 + +#elif BOOST_PP_ITERATION_DEPTH() == 2 + +# define j_ BOOST_PP_FRAME_ITERATION(2) +# if !defined(BOOST_MPL_CFG_NO_UNNAMED_PLACEHOLDER_SUPPORT) + + typedef aux::replace_unnamed_arg< BOOST_PP_CAT(T,j_),BOOST_PP_CAT(n,j_) > BOOST_PP_CAT(r,j_); + typedef typename BOOST_PP_CAT(r,j_)::type BOOST_PP_CAT(a,j_); + typedef typename BOOST_PP_CAT(r,j_)::next BOOST_PP_CAT(n,BOOST_PP_INC(j_)); + typedef aux::resolve_bind_arg<BOOST_PP_CAT(a,j_), AUX778076_BIND_PARAMS(U)> BOOST_PP_CAT(t,j_); + /// +# else + typedef aux::resolve_bind_arg< BOOST_PP_CAT(T,j_),AUX778076_BIND_PARAMS(U)> BOOST_PP_CAT(t,j_); + +# endif +# undef j_ + +#endif // BOOST_PP_ITERATION_DEPTH() +#endif // BOOST_PP_IS_ITERATING |