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// Copyright Cromwell D. Enage 2018.
// 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_PARAMETER_AUX_PREPROCESSOR_IMPL_NO_SPEC_OVERLOADS_HPP
#define BOOST_PARAMETER_AUX_PREPROCESSOR_IMPL_NO_SPEC_OVERLOADS_HPP
#include <boost/parameter/aux_/preprocessor/impl/function_name.hpp>
// Defines the no-spec implementation function header.
#define BOOST_PARAMETER_NO_SPEC_FUNCTION_IMPL_HEAD(name, is_const) \
template <typename ResultType, typename Args> \
BOOST_PARAMETER_MEMBER_FUNCTION_STATIC(name) ResultType \
BOOST_PARAMETER_NO_SPEC_FUNCTION_IMPL_NAME( \
name, is_const \
)(ResultType(*)(), Args const& args)
/**/
#include <boost/parameter/config.hpp>
#if defined(BOOST_PARAMETER_HAS_PERFECT_FORWARDING)
#include <boost/parameter/aux_/preprocessor/impl/parenthesized_return_type.hpp>
// Expands to the result metafunction for the specified no-spec function.
#if defined(BOOST_PARAMETER_CAN_USE_MP11)
#define BOOST_PARAMETER_NO_SPEC_FUNCTION_HEAD(result, name, is_const) \
template <typename TaggedArg0, typename ...TaggedArgs> \
using BOOST_PARAMETER_NO_SPEC_FUNCTION_RESULT_NAME(name, is_const) \
= typename BOOST_PARAMETER_PARENTHESIZED_RETURN_TYPE(result);
/**/
#else
#define BOOST_PARAMETER_NO_SPEC_FUNCTION_HEAD(result, name, is_const) \
template <typename TaggedArg0, typename ...TaggedArgs> \
struct BOOST_PARAMETER_NO_SPEC_FUNCTION_RESULT_NAME(name, is_const) \
: BOOST_PARAMETER_PARENTHESIZED_RETURN_TYPE(result) \
{ \
};
/**/
#endif // BOOST_PARAMETER_CAN_USE_MP11
#include <boost/parameter/compose.hpp>
#include <boost/parameter/are_tagged_arguments.hpp>
#include <boost/parameter/aux_/preprocessor/impl/parenthesized_type.hpp>
#include <boost/core/enable_if.hpp>
// Exapnds to a variadic constructor that is enabled if and only if all its
// arguments are tagged arguments. The enclosing class must inherit from the
// specified base class, which in turn must implement a constructor that takes
// in the argument pack that this one passes on.
#define BOOST_PARAMETER_NO_SPEC_CONSTRUCTOR(class_, base) \
template < \
typename TaggedArg0 \
, typename ...TaggedArgs \
, typename = typename ::boost::enable_if< \
::boost::parameter \
::are_tagged_arguments<TaggedArg0,TaggedArgs...> \
>::type \
> inline explicit \
class_(TaggedArg0 const& arg0, TaggedArgs const&... args) \
: BOOST_PARAMETER_PARENTHESIZED_TYPE(base)( \
::boost::parameter::compose(arg0, args...) \
) \
{ \
}
/**/
// Exapnds to a variadic constructor that is enabled if and only if all its
// arguments are tagged arguments. The specified function must be able to
// take in the argument pack that this constructor passes on.
#define BOOST_PARAMETER_NO_SPEC_NO_BASE_CONSTRUCTOR(class_, func) \
template < \
typename TaggedArg0 \
, typename ...TaggedArgs \
, typename = typename ::boost::enable_if< \
::boost::parameter \
::are_tagged_arguments<TaggedArg0,TaggedArgs...> \
>::type \
> inline explicit \
class_(TaggedArg0 const& arg0, TaggedArgs const&... args) \
{ \
func(::boost::parameter::compose(arg0, args...)); \
}
/**/
#include <boost/parameter/aux_/preprocessor/nullptr.hpp>
#include <boost/preprocessor/control/expr_if.hpp>
// Exapnds to a variadic function that is enabled if and only if
// all its arguments are tagged arguments.
#define BOOST_PARAMETER_NO_SPEC_FUNCTION_OVERLOAD(name, impl, is_m, c) \
template <typename TaggedArg0, typename ...TaggedArgs> \
BOOST_PARAMETER_MEMBER_FUNCTION_STATIC(impl) \
inline typename ::boost::lazy_enable_if< \
::boost::parameter \
::are_tagged_arguments<TaggedArg0,TaggedArgs...> \
, BOOST_PARAMETER_NO_SPEC_FUNCTION_RESULT_NAME( \
impl, c \
)<TaggedArg0,TaggedArgs...> \
>::type BOOST_PARAMETER_MEMBER_FUNCTION_NAME(name) \
(TaggedArg0 const& arg0, TaggedArgs const&... args) \
BOOST_PP_EXPR_IF(c, const) \
{ \
return BOOST_PP_EXPR_IF(is_m, this->) \
BOOST_PARAMETER_NO_SPEC_FUNCTION_IMPL_NAME(impl, c)( \
static_cast< \
typename BOOST_PARAMETER_NO_SPEC_FUNCTION_RESULT_NAME( \
impl, c \
)<TaggedArg0,TaggedArgs...>::type(*)() \
>(BOOST_PARAMETER_AUX_PP_NULLPTR) \
, ::boost::parameter::compose(arg0, args...) \
); \
}
/**/
#else // !defined(BOOST_PARAMETER_HAS_PERFECT_FORWARDING)
#include <boost/parameter/aux_/void.hpp>
#include <boost/parameter/aux_/preprocessor/impl/parenthesized_return_type.hpp>
#include <boost/preprocessor/facilities/intercept.hpp>
#include <boost/preprocessor/repetition/enum_binary_params.hpp>
// Expands to the result metafunction for the specified no-spec function.
#define BOOST_PARAMETER_NO_SPEC_FUNCTION_HEAD(result, name, is_const) \
template < \
BOOST_PP_ENUM_BINARY_PARAMS( \
BOOST_PARAMETER_COMPOSE_MAX_ARITY \
, typename TaggedArg \
, = ::boost::parameter::void_ BOOST_PP_INTERCEPT \
) \
> \
struct BOOST_PARAMETER_NO_SPEC_FUNCTION_RESULT_NAME(name, is_const) \
: BOOST_PARAMETER_PARENTHESIZED_RETURN_TYPE(result) \
{ \
};
/**/
#include <boost/parameter/compose.hpp>
#include <boost/parameter/aux_/preprocessor/impl/parenthesized_type.hpp>
#include <boost/preprocessor/comparison/equal.hpp>
#include <boost/preprocessor/control/expr_if.hpp>
#include <boost/preprocessor/repetition/enum_params.hpp>
#include <boost/preprocessor/tuple/elem.hpp>
#if defined(BOOST_NO_SFINAE)
// Exapnds to a tagged-argument constructor overload that passes the argument
// pack to the base class delegate constructor.
#define BOOST_PARAMETER_NO_SPEC_CONSTRUCTOR_OVERLOAD_Z(z, n, data) \
template <BOOST_PP_ENUM_PARAMS_Z(z, n, typename TaggedArg)> \
BOOST_PP_EXPR_IF(BOOST_PP_EQUAL(n, 1), explicit) inline \
BOOST_PP_TUPLE_ELEM(2, 0, data)( \
BOOST_PP_ENUM_BINARY_PARAMS_Z(z, n, TaggedArg, const& arg) \
) : BOOST_PARAMETER_PARENTHESIZED_TYPE(BOOST_PP_TUPLE_ELEM(2, 1, data))( \
::boost::parameter::compose(BOOST_PP_ENUM_PARAMS_Z(z, n, arg)) \
) \
{ \
}
/**/
// Exapnds to a tagged-argument constructor overload that passes the argument
// pack to the delegate function.
#define BOOST_PARAMETER_NO_SPEC_NO_BASE_CONSTRUCTOR_OVERLOAD_Z(z, n, data) \
template <BOOST_PP_ENUM_PARAMS_Z(z, n, typename TaggedArg)> \
BOOST_PP_EXPR_IF(BOOST_PP_EQUAL(n, 1), explicit) inline \
BOOST_PP_TUPLE_ELEM(2, 0, data)( \
BOOST_PP_ENUM_BINARY_PARAMS_Z(z, n, TaggedArg, const& a) \
) \
{ \
BOOST_PP_TUPLE_ELEM(2, 1, data)( \
::boost::parameter::compose(BOOST_PP_ENUM_PARAMS_Z(z, n, a)) \
); \
}
/**/
#include <boost/parameter/aux_/preprocessor/nullptr.hpp>
// Exapnds to a tagged-argument function overload.
#define BOOST_PARAMETER_NO_SPEC_FUNCTION_OVERLOAD_Z(z, n, data) \
template <BOOST_PP_ENUM_PARAMS_Z(z, n, typename TaggedArg)> \
BOOST_PARAMETER_MEMBER_FUNCTION_STATIC(BOOST_PP_TUPLE_ELEM(4, 1, data)) \
inline typename BOOST_PARAMETER_NO_SPEC_FUNCTION_RESULT_NAME( \
BOOST_PP_TUPLE_ELEM(4, 1, data) \
, BOOST_PP_TUPLE_ELEM(4, 3, data) \
)<BOOST_PP_ENUM_PARAMS_Z(z, n, TaggedArg)>::type \
BOOST_PARAMETER_MEMBER_FUNCTION_NAME( \
BOOST_PP_TUPLE_ELEM(4, 0, data) \
)(BOOST_PP_ENUM_BINARY_PARAMS_Z(z, n, TaggedArg, const& arg)) \
BOOST_PP_EXPR_IF(BOOST_PP_TUPLE_ELEM(4, 3, data), const) \
{ \
return BOOST_PP_EXPR_IF(BOOST_PP_TUPLE_ELEM(4, 2, data), this->) \
BOOST_PARAMETER_NO_SPEC_FUNCTION_IMPL_NAME( \
BOOST_PP_TUPLE_ELEM(4, 1, data) \
, BOOST_PP_TUPLE_ELEM(4, 3, data) \
)( \
static_cast< \
typename BOOST_PARAMETER_NO_SPEC_FUNCTION_RESULT_NAME( \
BOOST_PP_TUPLE_ELEM(4, 1, data) \
, BOOST_PP_TUPLE_ELEM(4, 3, data) \
)<BOOST_PP_ENUM_PARAMS_Z(z, n, TaggedArg)>::type(*)() \
>(BOOST_PARAMETER_AUX_PP_NULLPTR) \
, ::boost::parameter::compose(BOOST_PP_ENUM_PARAMS_Z(z, n, arg)) \
); \
}
/**/
#else // !defined(BOOST_NO_SFINAE)
#include <boost/parameter/are_tagged_arguments.hpp>
#include <boost/parameter/aux_/preprocessor/nullptr.hpp>
#include <boost/core/enable_if.hpp>
// Exapnds to a tagged-argument constructor overload that passes the argument
// pack to the base class delegate constructor. This constructor is enabled
// if and only if all its arguments are tagged arguments.
#define BOOST_PARAMETER_NO_SPEC_CONSTRUCTOR_OVERLOAD_Z(z, n, data) \
template <BOOST_PP_ENUM_PARAMS_Z(z, n, typename TaggedArg)> \
BOOST_PP_EXPR_IF(BOOST_PP_EQUAL(n, 1), explicit) inline \
BOOST_PP_TUPLE_ELEM(2, 0, data)( \
BOOST_PP_ENUM_BINARY_PARAMS_Z(z, n, TaggedArg, const& arg) \
, typename ::boost::enable_if< \
::boost::parameter::are_tagged_arguments< \
BOOST_PP_ENUM_PARAMS_Z(z, n, TaggedArg) \
> \
>::type* = BOOST_PARAMETER_AUX_PP_NULLPTR \
) : BOOST_PARAMETER_PARENTHESIZED_TYPE(BOOST_PP_TUPLE_ELEM(2, 1, data))( \
::boost::parameter::compose(BOOST_PP_ENUM_PARAMS_Z(z, n, arg)) \
) \
{ \
}
/**/
// Exapnds to a tagged-argument constructor overload that passes the argument
// pack to the delegate function. This constructor is enabled if and only if
// all its arguments are tagged arguments.
#define BOOST_PARAMETER_NO_SPEC_NO_BASE_CONSTRUCTOR_OVERLOAD_Z(z, n, data) \
template <BOOST_PP_ENUM_PARAMS_Z(z, n, typename TaggedArg)> \
BOOST_PP_EXPR_IF(BOOST_PP_EQUAL(n, 1), explicit) inline \
BOOST_PP_TUPLE_ELEM(2, 0, data)( \
BOOST_PP_ENUM_BINARY_PARAMS_Z(z, n, TaggedArg, const& a) \
, typename ::boost::enable_if< \
::boost::parameter::are_tagged_arguments< \
BOOST_PP_ENUM_PARAMS_Z(z, n, TaggedArg) \
> \
>::type* = BOOST_PARAMETER_AUX_PP_NULLPTR \
) \
{ \
BOOST_PP_TUPLE_ELEM(2, 1, data)( \
::boost::parameter::compose(BOOST_PP_ENUM_PARAMS_Z(z, n, a)) \
); \
}
/**/
// Exapnds to a function overload that is enabled if and only if
// all its arguments are tagged arguments.
#define BOOST_PARAMETER_NO_SPEC_FUNCTION_OVERLOAD_Z(z, n, data) \
template <BOOST_PP_ENUM_PARAMS_Z(z, n, typename TaggedArg)> \
BOOST_PARAMETER_MEMBER_FUNCTION_STATIC(BOOST_PP_TUPLE_ELEM(4, 1, data)) \
inline typename ::boost::lazy_enable_if< \
::boost::parameter \
::are_tagged_arguments<BOOST_PP_ENUM_PARAMS_Z(z, n, TaggedArg)> \
, BOOST_PARAMETER_NO_SPEC_FUNCTION_RESULT_NAME( \
BOOST_PP_TUPLE_ELEM(4, 1, data) \
, BOOST_PP_TUPLE_ELEM(4, 3, data) \
)<BOOST_PP_ENUM_PARAMS_Z(z, n, TaggedArg)> \
>::type BOOST_PARAMETER_MEMBER_FUNCTION_NAME( \
BOOST_PP_TUPLE_ELEM(4, 0, data) \
)(BOOST_PP_ENUM_BINARY_PARAMS_Z(z, n, TaggedArg, const& arg)) \
BOOST_PP_EXPR_IF(BOOST_PP_TUPLE_ELEM(4, 3, data), const) \
{ \
return BOOST_PP_EXPR_IF(BOOST_PP_TUPLE_ELEM(4, 2, data), this->) \
BOOST_PARAMETER_NO_SPEC_FUNCTION_IMPL_NAME( \
BOOST_PP_TUPLE_ELEM(4, 1, data) \
, BOOST_PP_TUPLE_ELEM(4, 3, data) \
)( \
static_cast< \
typename BOOST_PARAMETER_NO_SPEC_FUNCTION_RESULT_NAME( \
BOOST_PP_TUPLE_ELEM(4, 1, data) \
, BOOST_PP_TUPLE_ELEM(4, 3, data) \
)<BOOST_PP_ENUM_PARAMS_Z(z, n, TaggedArg)>::type(*)() \
>(BOOST_PARAMETER_AUX_PP_NULLPTR) \
, ::boost::parameter::compose(BOOST_PP_ENUM_PARAMS_Z(z, n, arg)) \
); \
}
/**/
#endif // BOOST_NO_SFINAE
#include <boost/preprocessor/arithmetic/inc.hpp>
#include <boost/preprocessor/repetition/repeat_from_to.hpp>
// Emulates a variadic constructor that is enabled if and only if all its
// arguments are tagged arguments. The enclosing class must inherit from the
// specified base class, which in turn must implement a constructor that takes
// in the argument pack that this one passes on.
#define BOOST_PARAMETER_NO_SPEC_CONSTRUCTOR(class_, base) \
BOOST_PP_REPEAT_FROM_TO( \
1 \
, BOOST_PP_INC(BOOST_PARAMETER_COMPOSE_MAX_ARITY) \
, BOOST_PARAMETER_NO_SPEC_CONSTRUCTOR_OVERLOAD_Z \
, (class_, base) \
)
/**/
// Emulates a variadic constructor that is enabled if and only if all its
// arguments are tagged arguments. The specified function must be able to
// take in the argument pack that this constructor passes on.
#define BOOST_PARAMETER_NO_SPEC_NO_BASE_CONSTRUCTOR(class_, func) \
BOOST_PP_REPEAT_FROM_TO( \
1 \
, BOOST_PP_INC(BOOST_PARAMETER_COMPOSE_MAX_ARITY) \
, BOOST_PARAMETER_NO_SPEC_NO_BASE_CONSTRUCTOR_OVERLOAD_Z \
, (class_, func) \
)
/**/
// Emulates a variadic function that is enabled if and only if
// all its arguments are tagged arguments.
#define BOOST_PARAMETER_NO_SPEC_FUNCTION_OVERLOAD(name, impl, is_m, c) \
BOOST_PP_REPEAT_FROM_TO( \
1 \
, BOOST_PP_INC(BOOST_PARAMETER_COMPOSE_MAX_ARITY) \
, BOOST_PARAMETER_NO_SPEC_FUNCTION_OVERLOAD_Z \
, (name, impl, is_m, c) \
)
/**/
#endif // BOOST_PARAMETER_HAS_PERFECT_FORWARDING
#endif // include guard
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