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Diffstat (limited to '3rdParty/Boost/src/boost/parameter/preprocessor.hpp')
| -rw-r--r-- | 3rdParty/Boost/src/boost/parameter/preprocessor.hpp | 1178 |
1 files changed, 1178 insertions, 0 deletions
diff --git a/3rdParty/Boost/src/boost/parameter/preprocessor.hpp b/3rdParty/Boost/src/boost/parameter/preprocessor.hpp new file mode 100644 index 0000000..f1bda87 --- /dev/null +++ b/3rdParty/Boost/src/boost/parameter/preprocessor.hpp @@ -0,0 +1,1178 @@ +// Copyright Daniel Wallin 2006. Use, modification and distribution is +// subject to 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_PARAMETER_PREPROCESSOR_060206_HPP +# define BOOST_PARAMETER_PREPROCESSOR_060206_HPP + +# include <boost/parameter/parameters.hpp> +# include <boost/parameter/binding.hpp> +# include <boost/parameter/match.hpp> + +# include <boost/parameter/aux_/parenthesized_type.hpp> +# include <boost/parameter/aux_/cast.hpp> +# include <boost/parameter/aux_/preprocessor/flatten.hpp> + +# include <boost/preprocessor/repetition/repeat_from_to.hpp> +# include <boost/preprocessor/comparison/equal.hpp> +# include <boost/preprocessor/control/if.hpp> +# include <boost/preprocessor/control/iif.hpp> +# include <boost/preprocessor/control/expr_if.hpp> +# include <boost/preprocessor/repetition/enum_params.hpp> +# include <boost/preprocessor/repetition/enum_binary_params.hpp> +# include <boost/preprocessor/repetition/enum_trailing.hpp> +# include <boost/preprocessor/seq/first_n.hpp> +# include <boost/preprocessor/seq/for_each_product.hpp> +# include <boost/preprocessor/seq/for_each_i.hpp> +# include <boost/preprocessor/tuple/elem.hpp> +# include <boost/preprocessor/tuple/eat.hpp> +# include <boost/preprocessor/seq/fold_left.hpp> +# include <boost/preprocessor/seq/push_back.hpp> +# include <boost/preprocessor/seq/size.hpp> +# include <boost/preprocessor/seq/enum.hpp> +# include <boost/preprocessor/seq/push_back.hpp> + +# include <boost/preprocessor/detail/is_nullary.hpp> + +# include <boost/mpl/always.hpp> +# include <boost/mpl/apply_wrap.hpp> + +# if BOOST_WORKAROUND(BOOST_MSVC, <= 1300) +# include <boost/type.hpp> +# endif + +namespace boost { namespace parameter { namespace aux { + +# if ! defined(BOOST_NO_SFINAE) && ! BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x592)) + +// Given Match, which is "void x" where x is an argument matching +// criterion, extract a corresponding MPL predicate. +template <class Match> +struct unwrap_predicate; + +// Match anything +template <> +struct unwrap_predicate<void*> +{ + typedef mpl::always<mpl::true_> type; +}; + +#if BOOST_WORKAROUND(__SUNPRO_CC, BOOST_TESTED_AT(0x580)) + +typedef void* voidstar; + +// A matching predicate is explicitly specified +template <class Predicate> +struct unwrap_predicate<voidstar (Predicate)> +{ + typedef Predicate type; +}; + +#else + +// A matching predicate is explicitly specified +template <class Predicate> +struct unwrap_predicate<void *(Predicate)> +{ + typedef Predicate type; +}; + +#endif + + +// A type to which the argument is supposed to be convertible is +// specified +template <class Target> +struct unwrap_predicate<void (Target)> +{ + typedef is_convertible<mpl::_, Target> type; +}; + +// Recast the ParameterSpec's nested match metafunction as a free metafunction +template < + class Parameters + , BOOST_PP_ENUM_BINARY_PARAMS( + BOOST_PARAMETER_MAX_ARITY, class A, = boost::parameter::void_ BOOST_PP_INTERCEPT + ) +> +struct match + : Parameters::template match< + BOOST_PP_ENUM_PARAMS(BOOST_PARAMETER_MAX_ARITY, A) + > +{}; +# endif + +# if BOOST_WORKAROUND(BOOST_MSVC, == 1300) + +// Function template argument deduction does many of the same things +// as type matching during partial specialization, so we call a +// function template to "store" T into the type memory addressed by +// void(*)(T). +template <class T> +msvc_store_type<T,void*(*)(void**(T))> +msvc_store_predicate_type(void*(*)(void**(T))); + +template <class T> +msvc_store_type<boost::is_convertible<mpl::_,T>,void*(*)(void*(T))> +msvc_store_predicate_type(void*(*)(void*(T))); + +template <class FunctionType> +struct unwrap_predicate +{ + static FunctionType f; + + // We don't want the function to be evaluated, just instantiated, + // so protect it inside of sizeof. + enum { dummy = sizeof(msvc_store_predicate_type(f)) }; + + // Now pull the type out of the instantiated base class + typedef typename msvc_type_memory<FunctionType>::storage::type type; +}; + +template <> +struct unwrap_predicate<void*(*)(void**)> +{ + typedef mpl::always<mpl::true_> type; +}; + +# endif + +# undef false_ + +template < + class Parameters + , BOOST_PP_ENUM_BINARY_PARAMS( + BOOST_PARAMETER_MAX_ARITY, class A, = boost::parameter::void_ BOOST_PP_INTERCEPT + ) +> +struct argument_pack +{ + typedef typename make_arg_list< + typename BOOST_PARAMETER_build_arg_list( + BOOST_PARAMETER_MAX_ARITY, make_items, typename Parameters::parameter_spec, A + )::type + , typename Parameters::deduced_list + , tag_keyword_arg + , mpl::false_ + >::type result; + typedef typename mpl::first<result>::type type; +}; + +# if 1 //BOOST_WORKAROUND(BOOST_MSVC, < 1300) +// Works around VC6 problem where it won't accept rvalues. +template <class T> +T& as_lvalue(T& value, long) +{ + return value; +} + +template <class T> +T const& as_lvalue(T const& value, int) +{ + return value; +} +# endif + + +# if BOOST_WORKAROUND(BOOST_MSVC, < 1300) \ + || BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x564)) + +template <class Predicate, class T, class Args> +struct apply_predicate +{ + BOOST_MPL_ASSERT(( + mpl::and_<mpl::false_,T> + )); + + typedef typename mpl::if_< + typename mpl::apply2<Predicate,T,Args>::type + , char + , int + >::type type; +}; + +template <class P> +struct funptr_predicate +{ + static P p; + + template <class T, class Args, class P0> + static typename apply_predicate<P0,T,Args>::type + check_predicate(type<T>, Args*, void**(*)(P0)); + + template <class T, class Args, class P0> + static typename mpl::if_< + is_convertible<T,P0> + , char + , int + >::type check_predicate(type<T>, Args*, void*(*)(P0)); + + template <class T, class Args> + struct apply + { + BOOST_STATIC_CONSTANT(bool, result = + sizeof(check_predicate(boost::type<T>(), (Args*)0, &p)) == 1 + ); + + typedef mpl::bool_<apply<T,Args>::result> type; + }; +}; + +template <> +struct funptr_predicate<void**> + : mpl::always<mpl::true_> +{}; + +# endif + +}}} // namespace boost::parameter::aux + +# if BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x564)) +// From Paul Mensonides +# define BOOST_PARAMETER_IS_NULLARY(x) \ + BOOST_PP_SPLIT(1, BOOST_PARAMETER_IS_NULLARY_C x BOOST_PP_COMMA() 0) \ + /**/ +# define BOOST_PARAMETER_IS_NULLARY_C() \ + ~, 1 BOOST_PP_RPAREN() \ + BOOST_PP_TUPLE_EAT(2) BOOST_PP_LPAREN() ~ \ + /**/ +# else +# define BOOST_PARAMETER_IS_NULLARY(x) BOOST_PP_IS_NULLARY(x) +# endif + +# define BOOST_PARAMETER_MEMBER_FUNCTION_CHECK_STATIC_static () +# define BOOST_PARAMETER_MEMBER_FUNCTION_IS_STATIC(name) \ + BOOST_PARAMETER_IS_NULLARY( \ + BOOST_PP_CAT(BOOST_PARAMETER_MEMBER_FUNCTION_CHECK_STATIC_,name) \ + ) + +# if !defined(BOOST_MSVC) +# define BOOST_PARAMETER_MEMBER_FUNCTION_STRIP_STATIC_static +# define BOOST_PARAMETER_MEMBER_FUNCTION_STRIP_STATIC(name) \ + BOOST_PP_CAT(BOOST_PARAMETER_MEMBER_FUNCTION_STRIP_STATIC_, name) +# else +// Workaround for MSVC preprocessor. +// +// When stripping static from "static f", msvc will produce +// " f". The leading whitespace doesn't go away when pasting +// the token with something else, so this thing is a hack to +// strip the whitespace. +# define BOOST_PARAMETER_MEMBER_FUNCTION_STRIP_STATIC_static ( +# define BOOST_PARAMETER_MEMBER_FUNCTION_STRIP_STATIC_AUX(name) \ + BOOST_PP_CAT(BOOST_PARAMETER_MEMBER_FUNCTION_STRIP_STATIC_, name)) +# define BOOST_PARAMETER_MEMBER_FUNCTION_STRIP_STATIC(name) \ + BOOST_PP_SEQ_HEAD( \ + BOOST_PARAMETER_MEMBER_FUNCTION_STRIP_STATIC_AUX(name) \ + ) +# endif + +# define BOOST_PARAMETER_MEMBER_FUNCTION_STATIC(name) \ + BOOST_PP_EXPR_IF( \ + BOOST_PARAMETER_MEMBER_FUNCTION_IS_STATIC(name) \ + , static \ + ) + +# define BOOST_PARAMETER_MEMBER_FUNCTION_NAME(name) \ + BOOST_PP_IF( \ + BOOST_PARAMETER_MEMBER_FUNCTION_IS_STATIC(name) \ + , BOOST_PARAMETER_MEMBER_FUNCTION_STRIP_STATIC \ + , name BOOST_PP_TUPLE_EAT(1) \ + )(name) + +// Calculates [begin, end) arity range. + +# define BOOST_PARAMETER_ARITY_RANGE_M_optional(state) state +# define BOOST_PARAMETER_ARITY_RANGE_M_deduced_optional(state) state +# define BOOST_PARAMETER_ARITY_RANGE_M_required(state) BOOST_PP_INC(state) +# define BOOST_PARAMETER_ARITY_RANGE_M_deduced_required(state) BOOST_PP_INC(state) + +# define BOOST_PARAMETER_ARITY_RANGE_M(s, state, x) \ + BOOST_PP_CAT( \ + BOOST_PARAMETER_ARITY_RANGE_M_ \ + , BOOST_PARAMETER_FN_ARG_QUALIFIER(x) \ + )(state) +/**/ + +# define BOOST_PARAMETER_ARITY_RANGE(args) \ + ( \ + BOOST_PP_SEQ_FOLD_LEFT(BOOST_PARAMETER_ARITY_RANGE_M, 0, args) \ + , BOOST_PP_INC(BOOST_PP_SEQ_SIZE(args)) \ + ) +/**/ + +// Accessor macros for the argument specs tuple. +# define BOOST_PARAMETER_FN_ARG_QUALIFIER(x) \ + BOOST_PP_TUPLE_ELEM(4,0,x) +/**/ + +# define BOOST_PARAMETER_FN_ARG_NAME(x) \ + BOOST_PP_TUPLE_ELEM(4,1,x) +/**/ + +# define BOOST_PARAMETER_FN_ARG_PRED(x) \ + BOOST_PP_TUPLE_ELEM(4,2,x) +/**/ + +# define BOOST_PARAMETER_FN_ARG_DEFAULT(x) \ + BOOST_PP_TUPLE_ELEM(4,3,x) +/**/ + +# define BOOST_PARAMETETER_FUNCTION_EAT_KEYWORD_QUALIFIER_out(x) +# define BOOST_PARAMETETER_FUNCTION_EAT_KEYWORD_QUALIFIER_in_out(x) + +// Returns 1 if x is either "out(k)" or "in_out(k)". +# define BOOST_PARAMETER_FUNCTION_IS_KEYWORD_QUALIFIER(x) \ + BOOST_PP_IS_EMPTY( \ + BOOST_PP_CAT(BOOST_PARAMETETER_FUNCTION_EAT_KEYWORD_QUALIFIER_, x) \ + ) \ +/**/ + +# define BOOST_PARAMETETER_FUNCTION_GET_KEYWORD_QUALIFIER_out(x) x +# define BOOST_PARAMETETER_FUNCTION_GET_KEYWORD_QUALIFIER_in_out(x) x +# define BOOST_PARAMETER_FUNCTION_KEYWORD_GET(x) \ + BOOST_PP_CAT(BOOST_PARAMETETER_FUNCTION_GET_KEYWORD_QUALIFIER_, x) +/**/ + +// Returns the keyword of x, where x is either a keyword qualifier +// or a keyword. +// +// k => k +// out(k) => k +// in_out(k) => k +// +# define BOOST_PARAMETER_FUNCTION_KEYWORD(x) \ + BOOST_PP_IF( \ + BOOST_PARAMETER_FUNCTION_IS_KEYWORD_QUALIFIER(x) \ + , BOOST_PARAMETER_FUNCTION_KEYWORD_GET \ + , x BOOST_PP_TUPLE_EAT(1) \ + )(x) +/**/ + +# define BOOST_PARAMETER_FN_ARG_KEYWORD(x) \ + BOOST_PARAMETER_FUNCTION_KEYWORD( \ + BOOST_PARAMETER_FN_ARG_NAME(x) \ + ) + +// Builds forwarding functions. + +# define BOOST_PARAMETER_FUNCTION_FWD_FUNCTION_TEMPLATE_Z(z, n) \ + template<BOOST_PP_ENUM_PARAMS_Z(z, n, class ParameterArgumentType)> +/**/ + +# if ! defined(BOOST_NO_SFINAE) && ! BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x592)) +# define BOOST_PARAMETER_FUNCTION_FWD_MATCH_Z(z, name, parameters, n) \ + , typename boost::parameter::aux::match< \ + parameters, BOOST_PP_ENUM_PARAMS(n, ParameterArgumentType) \ + >::type = parameters() +# else +# define BOOST_PARAMETER_FUNCTION_FWD_MATCH_Z(z, name, parameters, n) +# endif +/**/ + +# define BOOST_PARAMETER_FUNCTION_PARAMETERS_NAME(base) \ + BOOST_PP_CAT( \ + boost_param_parameters_ \ + , BOOST_PP_CAT(__LINE__, BOOST_PARAMETER_MEMBER_FUNCTION_NAME(base)) \ + ) + +// Produce a name for a result type metafunction for the function +// named base +# define BOOST_PARAMETER_FUNCTION_RESULT_NAME(base) \ + BOOST_PP_CAT( \ + boost_param_result_ \ + , BOOST_PP_CAT(__LINE__,BOOST_PARAMETER_MEMBER_FUNCTION_NAME(base)) \ + ) + +// Can't do boost_param_impl_ ## basee because base might start with an underscore +// daniel: what? how is that relevant? the reason for using CAT() is to make sure +// base is expanded. i'm not sure we need to here, but it's more stable to do it. +# define BOOST_PARAMETER_IMPL(base) \ + BOOST_PP_CAT(boost_param_impl,BOOST_PARAMETER_MEMBER_FUNCTION_NAME(base)) + +# define BOOST_PARAMETER_FUNCTION_FWD_FUNCTION00(z, n, r, data, elem) \ + BOOST_PP_IF( \ + n \ + , BOOST_PARAMETER_FUNCTION_FWD_FUNCTION_TEMPLATE_Z, BOOST_PP_TUPLE_EAT(2) \ + )(z,n) \ + BOOST_PARAMETER_MEMBER_FUNCTION_STATIC(BOOST_PP_TUPLE_ELEM(7,3,data)) \ + inline \ + BOOST_PP_EXPR_IF(n, typename) \ + BOOST_PARAMETER_FUNCTION_RESULT_NAME(BOOST_PP_TUPLE_ELEM(7,3,data))< \ + BOOST_PP_EXPR_IF(n, typename) \ + boost::parameter::aux::argument_pack< \ + BOOST_PARAMETER_FUNCTION_PARAMETERS_NAME(BOOST_PP_TUPLE_ELEM(7,3,data)) \ + BOOST_PP_COMMA_IF(n) \ + BOOST_PP_IF( \ + n, BOOST_PP_SEQ_ENUM, BOOST_PP_TUPLE_EAT(1) \ + )(elem) \ + >::type \ + >::type \ + BOOST_PARAMETER_MEMBER_FUNCTION_NAME(BOOST_PP_TUPLE_ELEM(7,3,data))( \ + BOOST_PP_IF( \ + n \ + , BOOST_PP_SEQ_FOR_EACH_I_R \ + , BOOST_PP_TUPLE_EAT(4) \ + )( \ + r \ + , BOOST_PARAMETER_FUNCTION_ARGUMENT \ + , ~ \ + , elem \ + ) \ + BOOST_PP_IF(n, BOOST_PARAMETER_FUNCTION_FWD_MATCH_Z, BOOST_PP_TUPLE_EAT(4))( \ + z \ + , BOOST_PP_TUPLE_ELEM(7,3,data) \ + , BOOST_PARAMETER_FUNCTION_PARAMETERS_NAME(BOOST_PP_TUPLE_ELEM(7,3,data)) \ + , n \ + ) \ + ) BOOST_PP_EXPR_IF(BOOST_PP_TUPLE_ELEM(7,4,data), const) \ + { \ + return BOOST_PARAMETER_IMPL(BOOST_PP_TUPLE_ELEM(7,3,data))( \ + BOOST_PARAMETER_FUNCTION_PARAMETERS_NAME(BOOST_PP_TUPLE_ELEM(7,3,data))()( \ + BOOST_PP_ENUM_PARAMS_Z(z, n, a) \ + ) \ + ); \ + } +/**/ + +# define BOOST_PARAMETER_FUNCTION_FWD_FUNCTION0(r, data, elem) \ + BOOST_PARAMETER_FUNCTION_FWD_FUNCTION00( \ + BOOST_PP_TUPLE_ELEM(7,0,data) \ + , BOOST_PP_TUPLE_ELEM(7,1,data) \ + , r \ + , data \ + , elem \ + ) +/**/ + +# define BOOST_PARAMETER_FUNCTION_FWD_FUNCTION_ARITY_0(z, n, data) \ + BOOST_PARAMETER_FUNCTION_FWD_FUNCTION00( \ + z, n, BOOST_PP_DEDUCE_R() \ + , (z, n, BOOST_PP_TUPLE_REM(5) data) \ + , ~ \ + ) +/**/ + +# define BOOST_PARAMETER_FUNCTION_FWD_FUNCTION_ARITY_N(z, n, data) \ + BOOST_PP_SEQ_FOR_EACH( \ + BOOST_PARAMETER_FUNCTION_FWD_FUNCTION0 \ + , (z, n, BOOST_PP_TUPLE_REM(5) data) \ + , BOOST_PP_SEQ_FOR_EACH_PRODUCT( \ + BOOST_PARAMETER_FUNCTION_FWD_PRODUCT \ + , BOOST_PP_SEQ_FIRST_N( \ + n, BOOST_PP_TUPLE_ELEM(5,3,data) \ + ) \ + ) \ + ) +/**/ + +# define BOOST_PARAMETER_FUNCTION_FWD_FUNCTION(z, n, data) \ + BOOST_PP_IF( \ + n \ + , BOOST_PARAMETER_FUNCTION_FWD_FUNCTION_ARITY_N \ + , BOOST_PARAMETER_FUNCTION_FWD_FUNCTION_ARITY_0 \ + )(z,n,data) \ +/**/ + +# define BOOST_PARAMETER_FUNCTION_FWD_FUNCTIONS0( \ + result,name,args,const_,combinations,range \ +) \ + BOOST_PP_REPEAT_FROM_TO( \ + BOOST_PP_TUPLE_ELEM(2,0,range), BOOST_PP_TUPLE_ELEM(2,1,range) \ + , BOOST_PARAMETER_FUNCTION_FWD_FUNCTION \ + , (result,name,const_,combinations,BOOST_PP_TUPLE_ELEM(2,1,range)) \ + ) +/**/ + +# define BOOST_PARAMETER_FUNCTION_FWD_FUNCTIONS(result,name,args, const_, combinations) \ + BOOST_PARAMETER_FUNCTION_FWD_FUNCTIONS0( \ + result, name, args, const_, combinations, BOOST_PARAMETER_ARITY_RANGE(args) \ + ) +/**/ + +// Builds boost::parameter::parameters<> specialization +# define BOOST_PARAMETER_FUNCTION_PARAMETERS_QUALIFIER_optional(tag) \ + optional<tag + +# define BOOST_PARAMETER_FUNCTION_PARAMETERS_QUALIFIER_required(tag) \ + required<tag + +# define BOOST_PARAMETER_FUNCTION_PARAMETERS_QUALIFIER_deduced_optional(tag) \ + optional<boost::parameter::deduced<tag> + +# define BOOST_PARAMETER_FUNCTION_PARAMETERS_QUALIFIER_deduced_required(tag) \ + required<boost::parameter::deduced<tag> + +# if !BOOST_WORKAROUND(BOOST_MSVC, < 1300) && !BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x564)) + +# if BOOST_WORKAROUND(BOOST_MSVC, == 1300) +# define BOOST_PARAMETER_PREDICATE_TYPE(p) void*(*) (void* p) +# else +# define BOOST_PARAMETER_PREDICATE_TYPE(p) void p +# endif + +# define BOOST_PARAMETER_FUNCTION_PARAMETERS_M(r,tag_namespace,i,elem) \ + BOOST_PP_COMMA_IF(i) \ + boost::parameter::BOOST_PP_CAT( \ + BOOST_PARAMETER_FUNCTION_PARAMETERS_QUALIFIER_ \ + , BOOST_PARAMETER_FN_ARG_QUALIFIER(elem) \ + )( \ + tag_namespace::BOOST_PARAMETER_FUNCTION_KEYWORD( \ + BOOST_PARAMETER_FN_ARG_KEYWORD(elem) \ + ) \ + ) \ + , typename boost::parameter::aux::unwrap_predicate< \ + BOOST_PARAMETER_PREDICATE_TYPE(BOOST_PARAMETER_FN_ARG_PRED(elem)) \ + >::type \ + > +# elif BOOST_WORKAROUND(BOOST_MSVC, < 1300) +# define BOOST_PARAMETER_FUNCTION_PARAMETERS_M(r,tag_namespace,i,elem) \ + BOOST_PP_COMMA_IF(i) \ + boost::parameter::BOOST_PP_CAT( \ + BOOST_PARAMETER_FUNCTION_PARAMETERS_QUALIFIER_ \ + , BOOST_PARAMETER_FN_ARG_QUALIFIER(elem) \ + )( \ + tag_namespace::BOOST_PARAMETER_FUNCTION_KEYWORD( \ + BOOST_PARAMETER_FN_ARG_KEYWORD(elem) \ + ) \ + ) \ + , boost::parameter::aux::funptr_predicate< \ + void* BOOST_PARAMETER_FN_ARG_PRED(elem) \ + > \ + > +# elif BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x564)) +# define BOOST_PARAMETER_FUNCTION_PARAMETERS_M(r,tag_namespace,i,elem) \ + BOOST_PP_COMMA_IF(i) \ + boost::parameter::BOOST_PP_CAT( \ + BOOST_PARAMETER_FUNCTION_PARAMETERS_QUALIFIER_ \ + , BOOST_PARAMETER_FN_ARG_QUALIFIER(elem) \ + )( \ + tag_namespace::BOOST_PARAMETER_FUNCTION_KEYWORD( \ + BOOST_PARAMETER_FN_ARG_KEYWORD(elem) \ + ) \ + ) \ + , boost::mpl::always<boost::mpl::true_> \ + > +# endif + +# define BOOST_PARAMETER_FUNCTION_PARAMETERS(tag_namespace, base, args) \ + template <class BoostParameterDummy> \ + struct BOOST_PP_CAT( \ + BOOST_PP_CAT(boost_param_params_, __LINE__) \ + , BOOST_PARAMETER_MEMBER_FUNCTION_NAME(base) \ + ) : boost::parameter::parameters< \ + BOOST_PP_SEQ_FOR_EACH_I( \ + BOOST_PARAMETER_FUNCTION_PARAMETERS_M, tag_namespace, args \ + ) \ + > \ + {}; \ + \ + typedef BOOST_PP_CAT( \ + BOOST_PP_CAT(boost_param_params_, __LINE__) \ + , BOOST_PARAMETER_MEMBER_FUNCTION_NAME(base) \ + )<int> + +// Defines result type metafunction +# define BOOST_PARAMETER_FUNCTION_RESULT_ARG(z, _, i, x) \ + BOOST_PP_COMMA_IF(i) class BOOST_PP_TUPLE_ELEM(3,1,x) +/**/ + +# define BOOST_PARAMETER_FUNCTION_RESULT_(result, name, args) \ + template <class Args> \ + struct BOOST_PARAMETER_FUNCTION_RESULT_NAME(name) \ + { \ + typedef typename BOOST_PARAMETER_PARENTHESIZED_TYPE(result) type; \ + }; + +# if BOOST_WORKAROUND(BOOST_MSVC, <= 1300) + +# define BOOST_PARAMETER_FUNCTION_RESULT(result, name, args) \ + BOOST_PARAMETER_FUNCTION_RESULT_(result, name, args) \ + template <> \ + struct BOOST_PARAMETER_FUNCTION_RESULT_NAME(name)<int> \ + { typedef int type; }; + +# else + +# define BOOST_PARAMETER_FUNCTION_RESULT(result, name, args) \ + BOOST_PARAMETER_FUNCTION_RESULT_(result, name, args) + +# endif + +// Defines implementation function +# define BOOST_PARAMETER_FUNCTION_IMPL_HEAD(name) \ + template <class Args> \ + typename BOOST_PARAMETER_FUNCTION_RESULT_NAME(name)< \ + Args \ + >::type BOOST_PARAMETER_IMPL(name)(Args const& args) + +# define BOOST_PARAMETER_FUNCTION_IMPL_FWD(name) \ + BOOST_PARAMETER_FUNCTION_IMPL_HEAD(name); +/**/ + +# define BOOST_PARAMETER_FUNCTION_SPLIT_ARG_required(state, arg) \ + ( \ + BOOST_PP_INC(BOOST_PP_TUPLE_ELEM(4, 0, state)) \ + , BOOST_PP_SEQ_PUSH_BACK(BOOST_PP_TUPLE_ELEM(4, 1, state), arg) \ + , BOOST_PP_TUPLE_ELEM(4, 2, state) \ + , BOOST_PP_TUPLE_ELEM(4, 3, state) \ + ) + +# define BOOST_PARAMETER_FUNCTION_SPLIT_ARG_deduced_required(state, arg) \ + BOOST_PARAMETER_FUNCTION_SPLIT_ARG_required(state, arg) + +# define BOOST_PARAMETER_FUNCTION_SPLIT_ARG_optional(state, arg) \ + ( \ + BOOST_PP_TUPLE_ELEM(4, 0, state) \ + , BOOST_PP_TUPLE_ELEM(4, 1, state) \ + , BOOST_PP_INC(BOOST_PP_TUPLE_ELEM(4, 2, state)) \ + , BOOST_PP_SEQ_PUSH_BACK(BOOST_PP_TUPLE_ELEM(4, 3, state), arg) \ + ) + +# define BOOST_PARAMETER_FUNCTION_SPLIT_ARG_deduced_optional(state, arg) \ + BOOST_PARAMETER_FUNCTION_SPLIT_ARG_optional(state, arg) + +# define BOOST_PARAMETER_FUNCTION_SPLIT_ARG(s, state, arg) \ + BOOST_PP_CAT( \ + BOOST_PARAMETER_FUNCTION_SPLIT_ARG_ \ + , BOOST_PARAMETER_FN_ARG_QUALIFIER(arg) \ + )(state, arg) + +// Returns (required_count, required, optional_count, optionals) tuple +# define BOOST_PARAMETER_FUNCTION_SPLIT_ARGS(args) \ + BOOST_PP_SEQ_FOLD_LEFT( \ + BOOST_PARAMETER_FUNCTION_SPLIT_ARG \ + , (0,BOOST_PP_SEQ_NIL, 0,BOOST_PP_SEQ_NIL) \ + , args \ + ) + +# define BOOST_PARAMETER_FUNCTION_DEFAULT_FUNCTION_ARG_NAME(keyword) \ + BOOST_PP_CAT(BOOST_PP_CAT(keyword,_),type) + +// Helpers used as parameters to BOOST_PARAMETER_FUNCTION_DEFAULT_ARGUMENTS. +# define BOOST_PARAMETER_FUNCTION_DEFAULT_FUNCTION_TEMPLATE_ARG(r, _, arg) \ + , class BOOST_PARAMETER_FUNCTION_DEFAULT_FUNCTION_ARG_NAME( \ + BOOST_PARAMETER_FN_ARG_KEYWORD(arg) \ + ) + +# define BOOST_PARAMETER_FUNCTION_DEFAULT_FUNCTION_ARG(r, _, arg) \ + , BOOST_PARAMETER_FUNCTION_DEFAULT_FUNCTION_ARG_NAME( \ + BOOST_PARAMETER_FN_ARG_KEYWORD(arg) \ + )& BOOST_PARAMETER_FN_ARG_KEYWORD(arg) + +# define BOOST_PARAMETER_FUNCTION_DEFAULT_FUNCTION_PARAMETER(r, _, arg) \ + , BOOST_PARAMETER_FN_ARG_KEYWORD(arg) + +// Produces a name for the dispatch functions. +# define BOOST_PARAMETER_FUNCTION_DEFAULT_NAME(name) \ + BOOST_PP_CAT( \ + boost_param_default_ \ + , BOOST_PP_CAT(__LINE__, BOOST_PARAMETER_MEMBER_FUNCTION_NAME(name)) \ + ) + +// Helper macro used below to produce lists based on the keyword argument +// names. macro is applied to every element. n is the number of +// optional arguments that should be included. +# define BOOST_PARAMETER_FUNCTION_DEFAULT_ARGUMENTS(macro, n, split_args) \ + BOOST_PP_SEQ_FOR_EACH( \ + macro \ + , ~ \ + , BOOST_PP_TUPLE_ELEM(4,1,split_args) \ + ) \ + BOOST_PP_SEQ_FOR_EACH( \ + macro \ + , ~ \ + , BOOST_PP_SEQ_FIRST_N( \ + BOOST_PP_SUB(BOOST_PP_TUPLE_ELEM(4,2,split_args), n) \ + , BOOST_PP_TUPLE_ELEM(4,3,split_args) \ + ) \ + ) + +// Generates a keyword | default expression. +# define BOOST_PARAMETER_FUNCTION_DEFAULT_EVAL_DEFAULT(arg, tag_namespace) \ + boost::parameter::keyword< \ + tag_namespace::BOOST_PARAMETER_FN_ARG_KEYWORD(arg) \ + >::instance | boost::parameter::aux::use_default_tag() + +# define BOOST_PARAMETER_FUNCTION_DEFAULT_FUNCTION_GET_ARG(arg, tag_ns) \ + BOOST_PARAMETER_FUNCTION_CAST( \ + args[ \ + BOOST_PARAMETER_FUNCTION_DEFAULT_EVAL_DEFAULT( \ + arg, tag_ns \ + ) \ + ] \ + , BOOST_PARAMETER_FN_ARG_PRED(arg) \ + , Args \ + ) + +# define BOOST_PARAMETER_FUNCTION_DEFAULT_FUNCTION_BODY(name, n, split_args, tag_namespace) \ + { \ + return BOOST_PARAMETER_FUNCTION_DEFAULT_NAME(name)( \ + (ResultType(*)())0 \ + , args \ + , 0L \ + BOOST_PARAMETER_FUNCTION_DEFAULT_ARGUMENTS( \ + BOOST_PARAMETER_FUNCTION_DEFAULT_FUNCTION_PARAMETER \ + , n \ + , split_args \ + ) \ + , BOOST_PARAMETER_FUNCTION_DEFAULT_FUNCTION_GET_ARG( \ + BOOST_PP_SEQ_ELEM( \ + BOOST_PP_SUB(BOOST_PP_TUPLE_ELEM(4,2,split_args), n) \ + , BOOST_PP_TUPLE_ELEM(4,3,split_args) \ + ) \ + , tag_namespace \ + ) \ + ); \ + } + +# define BOOST_PARAMETER_FUNCTION_DEFAULT_EVAL_ACTUAL_DEFAULT(arg) \ + BOOST_PARAMETER_FUNCTION_CAST( \ + boost::parameter::aux::as_lvalue(BOOST_PARAMETER_FN_ARG_DEFAULT(arg), 0L) \ + , BOOST_PARAMETER_FN_ARG_PRED(arg) \ + , Args \ + ) + +# define BOOST_PARAMETER_FUNCTION_DEFAULT_EVAL_DEFAULT_BODY(name, n, split_args, tag_ns, const_) \ + template < \ + class ResultType \ + , class Args \ + BOOST_PARAMETER_FUNCTION_DEFAULT_ARGUMENTS( \ + BOOST_PARAMETER_FUNCTION_DEFAULT_FUNCTION_TEMPLATE_ARG \ + , BOOST_PP_INC(n) \ + , split_args \ + ) \ + > \ + BOOST_PARAMETER_MEMBER_FUNCTION_STATIC(name) \ + ResultType BOOST_PARAMETER_FUNCTION_DEFAULT_NAME(name)( \ + ResultType(*)() \ + , Args const& args \ + , long \ + BOOST_PARAMETER_FUNCTION_DEFAULT_ARGUMENTS( \ + BOOST_PARAMETER_FUNCTION_DEFAULT_FUNCTION_ARG \ + , BOOST_PP_INC(n) \ + , split_args \ + ) \ + , boost::parameter::aux::use_default_tag \ + ) BOOST_PP_EXPR_IF(const_, const) \ + { \ + return BOOST_PARAMETER_FUNCTION_DEFAULT_NAME(name)( \ + (ResultType(*)())0 \ + , args \ + , 0L \ + BOOST_PARAMETER_FUNCTION_DEFAULT_ARGUMENTS( \ + BOOST_PARAMETER_FUNCTION_DEFAULT_FUNCTION_PARAMETER \ + , BOOST_PP_INC(n) \ + , split_args \ + ) \ + , BOOST_PARAMETER_FUNCTION_DEFAULT_EVAL_ACTUAL_DEFAULT( \ + BOOST_PP_SEQ_ELEM( \ + BOOST_PP_SUB(BOOST_PP_TUPLE_ELEM(4,2,split_args), BOOST_PP_INC(n)) \ + , BOOST_PP_TUPLE_ELEM(4,3,split_args) \ + ) \ + ) \ + ); \ + } + +// Produces a forwarding layer in the default evaluation machine. +// +// data is a tuple: +// +// (name, split_args) +// +// Where name is the base name of the function, and split_args is a tuple: +// +// (required_count, required_args, optional_count, required_args) +// + + +// defines the actual function body for BOOST_PARAMETER_FUNCTION_DEFAULT_FUNCTION below. +# define BOOST_PARAMETER_FUNCTION_DEFAULT_FUNCTION0(z, n, data) \ + template < \ + class ResultType \ + , class Args \ + BOOST_PARAMETER_FUNCTION_DEFAULT_ARGUMENTS( \ + BOOST_PARAMETER_FUNCTION_DEFAULT_FUNCTION_TEMPLATE_ARG \ + , n \ + , BOOST_PP_TUPLE_ELEM(5,1,data) \ + ) \ + > \ + BOOST_PARAMETER_MEMBER_FUNCTION_STATIC(BOOST_PP_TUPLE_ELEM(5,0,data)) \ + ResultType BOOST_PARAMETER_FUNCTION_DEFAULT_NAME(BOOST_PP_TUPLE_ELEM(5,0,data))( \ + ResultType(*)() \ + , Args const& args \ + , int \ + BOOST_PARAMETER_FUNCTION_DEFAULT_ARGUMENTS( \ + BOOST_PARAMETER_FUNCTION_DEFAULT_FUNCTION_ARG \ + , n \ + , BOOST_PP_TUPLE_ELEM(5,1,data) \ + ) \ + ) BOOST_PP_EXPR_IF(BOOST_PP_TUPLE_ELEM(5,2,data), const) \ + BOOST_PP_IF( \ + n \ + , BOOST_PARAMETER_FUNCTION_DEFAULT_FUNCTION_BODY \ + , ; BOOST_PP_TUPLE_EAT(4) \ + )( \ + BOOST_PP_TUPLE_ELEM(5,0,data) \ + , n \ + , BOOST_PP_TUPLE_ELEM(5,1,data) \ + , BOOST_PP_TUPLE_ELEM(5,3,data) \ + ) + +# define BOOST_PARAMETER_FUNCTION_DEFAULT_FUNCTION(z, n, data) \ + BOOST_PP_IF( \ + BOOST_PP_AND( \ + BOOST_PP_NOT(n) \ + , BOOST_PP_TUPLE_ELEM(5,4,data) \ + ) \ + , BOOST_PP_TUPLE_EAT(3) \ + , BOOST_PARAMETER_FUNCTION_DEFAULT_FUNCTION0 \ + )(z, n, data) \ + BOOST_PP_IF( \ + BOOST_PP_EQUAL(n, BOOST_PP_TUPLE_ELEM(4,2,BOOST_PP_TUPLE_ELEM(5,1,data))) \ + , BOOST_PP_TUPLE_EAT(5) \ + , BOOST_PARAMETER_FUNCTION_DEFAULT_EVAL_DEFAULT_BODY \ + )( \ + BOOST_PP_TUPLE_ELEM(5,0,data) \ + , n \ + , BOOST_PP_TUPLE_ELEM(5,1,data) \ + , BOOST_PP_TUPLE_ELEM(5,3,data) \ + , BOOST_PP_TUPLE_ELEM(5,2,data) \ + ) + +# define BOOST_PARAMETER_FUNCTION_DEFAULT_GET_ARG(r, tag_ns, arg) \ + , BOOST_PARAMETER_FUNCTION_CAST( \ + args[ \ + boost::parameter::keyword<tag_ns::BOOST_PARAMETER_FN_ARG_KEYWORD(arg)>::instance \ + ] \ + , BOOST_PARAMETER_FN_ARG_PRED(arg) \ + , Args \ + ) + +// Generates the function template that recives a ArgumentPack, and then +// goes on to call the layers of overloads generated by +// BOOST_PARAMETER_FUNCTION_DEFAULT_LAYER. +# define BOOST_PARAMETER_FUNCTION_INITIAL_DISPATCH_FUNCTION(name, split_args, const_, tag_ns) \ + template <class Args> \ + typename BOOST_PARAMETER_FUNCTION_RESULT_NAME(name)<Args>::type \ + BOOST_PARAMETER_MEMBER_FUNCTION_STATIC(name) \ + BOOST_PARAMETER_IMPL(name)(Args const& args) BOOST_PP_EXPR_IF(const_, const) \ + { \ + return BOOST_PARAMETER_FUNCTION_DEFAULT_NAME(name)( \ + (typename BOOST_PARAMETER_FUNCTION_RESULT_NAME(name)<Args>::type(*)())0 \ + , args \ + , 0L \ + \ + BOOST_PP_SEQ_FOR_EACH( \ + BOOST_PARAMETER_FUNCTION_DEFAULT_GET_ARG \ + , tag_ns \ + , BOOST_PP_TUPLE_ELEM(4,1,split_args) \ + ) \ + \ + ); \ + } + +// Helper for BOOST_PARAMETER_FUNCTION_DEFAULT_LAYER below. +# define BOOST_PARAMETER_FUNCTION_DEFAULT_LAYER_AUX( \ + name, split_args, skip_fwd_decl, const_, tag_namespace \ + ) \ + BOOST_PP_REPEAT_FROM_TO( \ + 0 \ + , BOOST_PP_INC(BOOST_PP_TUPLE_ELEM(4, 2, split_args)) \ + , BOOST_PARAMETER_FUNCTION_DEFAULT_FUNCTION \ + , (name, split_args, const_, tag_namespace, skip_fwd_decl) \ + ) \ + \ + BOOST_PARAMETER_FUNCTION_INITIAL_DISPATCH_FUNCTION(name, split_args, const_, tag_namespace) \ +\ + template < \ + class ResultType \ + , class Args \ + BOOST_PARAMETER_FUNCTION_DEFAULT_ARGUMENTS( \ + BOOST_PARAMETER_FUNCTION_DEFAULT_FUNCTION_TEMPLATE_ARG \ + , 0 \ + , split_args \ + ) \ + > \ + BOOST_PARAMETER_MEMBER_FUNCTION_STATIC(name) \ + ResultType BOOST_PARAMETER_FUNCTION_DEFAULT_NAME(name)( \ + ResultType(*)() \ + , Args const& args \ + , int \ + BOOST_PARAMETER_FUNCTION_DEFAULT_ARGUMENTS( \ + BOOST_PARAMETER_FUNCTION_DEFAULT_FUNCTION_ARG \ + , 0 \ + , split_args \ + ) \ + ) BOOST_PP_EXPR_IF(const_, const) + +// Generates a bunch of forwarding functions that each extract +// one more argument. +# define BOOST_PARAMETER_FUNCTION_DEFAULT_LAYER(name, args, skip_fwd_decl, const_, tag_ns) \ + BOOST_PARAMETER_FUNCTION_DEFAULT_LAYER_AUX( \ + name, BOOST_PARAMETER_FUNCTION_SPLIT_ARGS(args), skip_fwd_decl, const_, tag_ns \ + ) +/**/ + +// Defines the result metafunction and the parameters specialization. +# define BOOST_PARAMETER_FUNCTION_HEAD(result, name, tag_namespace, args) \ + BOOST_PARAMETER_FUNCTION_RESULT(result, name, args) \ + \ + BOOST_PARAMETER_FUNCTION_PARAMETERS(tag_namespace, name, args) \ + BOOST_PARAMETER_FUNCTION_PARAMETERS_NAME(name); \ + +// Helper for BOOST_PARAMETER_FUNCTION below. +# define BOOST_PARAMETER_FUNCTION_AUX(result, name, tag_namespace, args) \ + BOOST_PARAMETER_FUNCTION_HEAD(result, name, tag_namespace, args) \ + BOOST_PARAMETER_FUNCTION_IMPL_HEAD(name); \ +\ + BOOST_PARAMETER_FUNCTION_FWD_FUNCTIONS( \ + result, name, args, 0 \ + , BOOST_PARAMETER_FUNCTION_FWD_COMBINATIONS(args) \ + ) \ + \ + BOOST_PARAMETER_FUNCTION_DEFAULT_LAYER(name, args, 0, 0, tag_namespace) + +// Defines a Boost.Parameter enabled function with the new syntax. +# define BOOST_PARAMETER_FUNCTION(result, name, tag_namespace, args) \ + BOOST_PARAMETER_FUNCTION_AUX( \ + result, name, tag_namespace \ + , BOOST_PARAMETER_FLATTEN(3, 2, 3, args) \ + ) \ +/**/ + +// Defines a Boost.Parameter enabled function. +# define BOOST_PARAMETER_BASIC_FUNCTION_AUX(result, name, tag_namespace, args) \ + BOOST_PARAMETER_FUNCTION_HEAD(result, name, tag_namespace, args) \ + \ + BOOST_PARAMETER_FUNCTION_IMPL_FWD(name) \ + \ + BOOST_PARAMETER_FUNCTION_FWD_FUNCTIONS( \ + result, name, args, 0 \ + , BOOST_PARAMETER_FUNCTION_FWD_COMBINATIONS(args) \ + ) \ + \ + BOOST_PARAMETER_FUNCTION_IMPL_HEAD(name) + +# define BOOST_PARAMETER_BASIC_FUNCTION(result, name, tag_namespace, args) \ + BOOST_PARAMETER_BASIC_FUNCTION_AUX( \ + result, name, tag_namespace \ + , BOOST_PARAMETER_FLATTEN(2, 2, 3, args) \ + ) \ +/**/ + +// Defines a Boost.Parameter enabled member function. +# define BOOST_PARAMETER_BASIC_MEMBER_FUNCTION_AUX(result, name, tag_namespace, args, const_) \ + BOOST_PARAMETER_FUNCTION_HEAD(result, name, tag_namespace, args) \ + \ + BOOST_PARAMETER_FUNCTION_FWD_FUNCTIONS( \ + result, name, args, const_ \ + , BOOST_PARAMETER_FUNCTION_FWD_COMBINATIONS(args) \ + ) \ + \ + BOOST_PARAMETER_FUNCTION_IMPL_HEAD(name) BOOST_PP_EXPR_IF(const_, const) \ +/**/ + +# define BOOST_PARAMETER_BASIC_MEMBER_FUNCTION(result, name, tag_namespace, args) \ + BOOST_PARAMETER_BASIC_MEMBER_FUNCTION_AUX( \ + result, name, tag_namespace \ + , BOOST_PARAMETER_FLATTEN(2, 2, 3, args) \ + , 0 \ + ) +/**/ + +# define BOOST_PARAMETER_BASIC_CONST_MEMBER_FUNCTION(result, name, tag_namespace, args) \ + BOOST_PARAMETER_BASIC_MEMBER_FUNCTION_AUX( \ + result, name, tag_namespace \ + , BOOST_PARAMETER_FLATTEN(2, 2, 3, args) \ + , 1 \ + ) +/**/ + + + +# define BOOST_PARAMETER_MEMBER_FUNCTION_AUX(result, name, tag_namespace, const_, args) \ + BOOST_PARAMETER_FUNCTION_HEAD(result, name, tag_namespace, args) \ +\ + BOOST_PARAMETER_FUNCTION_FWD_FUNCTIONS( \ + result, name, args, const_ \ + , BOOST_PARAMETER_FUNCTION_FWD_COMBINATIONS(args) \ + ) \ + \ + BOOST_PARAMETER_FUNCTION_DEFAULT_LAYER(name, args, 1, const_, tag_namespace) + +// Defines a Boost.Parameter enabled function with the new syntax. +# define BOOST_PARAMETER_MEMBER_FUNCTION(result, name, tag_namespace, args) \ + BOOST_PARAMETER_MEMBER_FUNCTION_AUX( \ + result, name, tag_namespace, 0 \ + , BOOST_PARAMETER_FLATTEN(3, 2, 3, args) \ + ) \ +/**/ + +# define BOOST_PARAMETER_CONST_MEMBER_FUNCTION(result, name, tag_namespace, args) \ + BOOST_PARAMETER_MEMBER_FUNCTION_AUX( \ + result, name, tag_namespace, 1 \ + , BOOST_PARAMETER_FLATTEN(3, 2, 3, args) \ + ) \ +/**/ + +// Defines a Boost.Parameter enabled constructor. + +# define BOOST_PARAMETER_FUNCTION_ARGUMENT(r, _, i, elem) \ + BOOST_PP_COMMA_IF(i) elem& BOOST_PP_CAT(a, i) +/**/ + +# if BOOST_WORKAROUND(BOOST_MSVC, <= 1300) + +// Older MSVC can't do what's necessary to handle commas in base names; just +// use a typedef instead if you have a base name that contains commas. +# define BOOST_PARAMETER_PARENTHESIZED_BASE(x) BOOST_PP_SEQ_HEAD(x) + +# else + +# define BOOST_PARAMETER_PARENTHESIZED_BASE(x) BOOST_PARAMETER_PARENTHESIZED_TYPE(x) + +# endif + +# define BOOST_PARAMETER_FUNCTION_FWD_CONSTRUCTOR00(z, n, r, data, elem) \ + BOOST_PP_IF( \ + n \ + , BOOST_PARAMETER_FUNCTION_FWD_FUNCTION_TEMPLATE_Z, BOOST_PP_TUPLE_EAT(2) \ + )(z, n) \ + BOOST_PP_EXPR_IF(BOOST_PP_EQUAL(n,1), explicit) \ + BOOST_PP_TUPLE_ELEM(6,2,data)( \ + BOOST_PP_IF( \ + n \ + , BOOST_PP_SEQ_FOR_EACH_I_R \ + , BOOST_PP_TUPLE_EAT(4) \ + )( \ + r \ + , BOOST_PARAMETER_FUNCTION_ARGUMENT \ + , ~ \ + , elem \ + ) \ + BOOST_PP_IF(n, BOOST_PARAMETER_FUNCTION_FWD_MATCH_Z, BOOST_PP_TUPLE_EAT(4))( \ + z \ + , BOOST_PP_TUPLE_ELEM(6,3,data) \ + , BOOST_PP_CAT(constructor_parameters, __LINE__) \ + , n \ + ) \ + ) \ + : BOOST_PARAMETER_PARENTHESIZED_BASE(BOOST_PP_TUPLE_ELEM(6,3,data)) ( \ + BOOST_PP_CAT(constructor_parameters, __LINE__)()( \ + BOOST_PP_ENUM_PARAMS_Z(z, n, a) \ + ) \ + ) \ + {} +/**/ + +# define BOOST_PARAMETER_FUNCTION_FWD_CONSTRUCTOR0(r, data, elem) \ + BOOST_PARAMETER_FUNCTION_FWD_CONSTRUCTOR00( \ + BOOST_PP_TUPLE_ELEM(6,0,data) \ + , BOOST_PP_TUPLE_ELEM(6,1,data) \ + , r \ + , data \ + , elem \ + ) +/**/ + +# define BOOST_PARAMETER_FUNCTION_FWD_PRODUCT(r, product) \ + (product) +/**/ + +# define BOOST_PARAMETER_FUNCTION_FWD_CONSTRUCTOR_ARITY_0(z, n, data) \ + BOOST_PARAMETER_FUNCTION_FWD_CONSTRUCTOR00( \ + z, n, BOOST_PP_DEDUCE_R() \ + , (z, n, BOOST_PP_TUPLE_REM(4) data) \ + , ~ \ + ) +/**/ + +# define BOOST_PARAMETER_FUNCTION_FWD_CONSTRUCTOR_ARITY_N(z, n, data) \ + BOOST_PP_SEQ_FOR_EACH( \ + BOOST_PARAMETER_FUNCTION_FWD_CONSTRUCTOR0 \ + , (z, n, BOOST_PP_TUPLE_REM(4) data) \ + , BOOST_PP_SEQ_FOR_EACH_PRODUCT( \ + BOOST_PARAMETER_FUNCTION_FWD_PRODUCT \ + , BOOST_PP_SEQ_FIRST_N( \ + n, BOOST_PP_TUPLE_ELEM(4,2,data) \ + ) \ + ) \ + ) +/**/ + +# define BOOST_PARAMETER_FUNCTION_FWD_CONSTRUCTOR(z, n, data) \ + BOOST_PP_IF( \ + n \ + , BOOST_PARAMETER_FUNCTION_FWD_CONSTRUCTOR_ARITY_N \ + , BOOST_PARAMETER_FUNCTION_FWD_CONSTRUCTOR_ARITY_0 \ + )(z,n,data) \ +/**/ + +# define BOOST_PARAMETER_FUNCTION_FWD_CONSTRUCTORS0(class_,base,args,combinations,range) \ + BOOST_PP_REPEAT_FROM_TO( \ + BOOST_PP_TUPLE_ELEM(2,0,range), BOOST_PP_TUPLE_ELEM(2,1,range) \ + , BOOST_PARAMETER_FUNCTION_FWD_CONSTRUCTOR \ + , (class_,base,combinations,BOOST_PP_TUPLE_ELEM(2,1,range)) \ + ) +/**/ + +# define BOOST_PARAMETER_FUNCTION_FWD_CONSTRUCTORS(class_,base,args,combinations) \ + BOOST_PARAMETER_FUNCTION_FWD_CONSTRUCTORS0( \ + class_, base, args, combinations, BOOST_PARAMETER_ARITY_RANGE(args) \ + ) +/**/ + +# define BOOST_PARAMETER_CONSTRUCTOR_AUX(class_, base, tag_namespace, args) \ + BOOST_PARAMETER_FUNCTION_PARAMETERS(tag_namespace, ctor, args) \ + BOOST_PP_CAT(constructor_parameters, __LINE__); \ +\ + BOOST_PARAMETER_FUNCTION_FWD_CONSTRUCTORS( \ + class_, base, args \ + , BOOST_PARAMETER_FUNCTION_FWD_COMBINATIONS(args) \ + ) \ +/**/ + +# define BOOST_PARAMETER_CONSTRUCTOR(class_, base, tag_namespace, args) \ + BOOST_PARAMETER_CONSTRUCTOR_AUX( \ + class_, base, tag_namespace \ + , BOOST_PARAMETER_FLATTEN(2, 2, 3, args) \ + ) +/**/ + +# ifndef BOOST_NO_FUNCTION_TEMPLATE_ORDERING +# define BOOST_PARAMETER_FUNCTION_FWD_COMBINATION(r, _, i, elem) \ + (BOOST_PP_IF( \ + BOOST_PARAMETER_FUNCTION_IS_KEYWORD_QUALIFIER( \ + BOOST_PARAMETER_FN_ARG_NAME(elem) \ + ) \ + , (const ParameterArgumentType ## i)(ParameterArgumentType ## i) \ + , (const ParameterArgumentType ## i) \ + )) +// MSVC6.5 lets us bind rvalues to T&. +# elif BOOST_WORKAROUND(BOOST_MSVC, < 1300) +# define BOOST_PARAMETER_FUNCTION_FWD_COMBINATION(r, _, i, elem) \ + (BOOST_PP_IF( \ + BOOST_PARAMETER_FUNCTION_IS_KEYWORD_QUALIFIER( \ + BOOST_PARAMETER_FN_ARG_NAME(elem) \ + ) \ + , (ParameterArgumentType ## i) \ + , (const ParameterArgumentType ## i) \ + )) +// No partial ordering. This feature doesn't work. +// This is exactly the same as for VC6.5, but we might change it later. +# else +# define BOOST_PARAMETER_FUNCTION_FWD_COMBINATION(r, _, i, elem) \ + (BOOST_PP_IF( \ + BOOST_PARAMETER_FUNCTION_IS_KEYWORD_QUALIFIER( \ + BOOST_PARAMETER_FN_ARG_NAME(elem) \ + ) \ + , (ParameterArgumentType ## i) \ + , (const ParameterArgumentType ## i) \ + )) +# endif + +# define BOOST_PARAMETER_FUNCTION_FWD_COMBINATIONS(args) \ + BOOST_PP_SEQ_FOR_EACH_I(BOOST_PARAMETER_FUNCTION_FWD_COMBINATION, ~, args) + +#endif // BOOST_PARAMETER_PREPROCESSOR_060206_HPP + |