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'dwa-prelicense'.

[SVN r35235]
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nobody
2006-09-20 21:59:04 +00:00
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18
include/boost/parameter.hpp
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// Copyright David Abrahams, Daniel Wallin 2005. 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_050401_HPP
#define BOOST_PARAMETER_050401_HPP
#include <boost/parameter/parameters.hpp>
#include <boost/parameter/keyword.hpp>
#include <boost/parameter/binding.hpp>
#include <boost/parameter/macros.hpp>
#include <boost/parameter/match.hpp>
#include <boost/parameter/name.hpp>
#include <boost/parameter/preprocessor.hpp>
#endif // BOOST_PARAMETER_050401_HPP

459
include/boost/parameter/aux_/arg_list.hpp
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// Copyright Daniel Wallin, David Abrahams 2005. 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 ARG_LIST_050329_HPP
#define ARG_LIST_050329_HPP
#include <boost/parameter/aux_/void.hpp>
#include <boost/parameter/aux_/result_of0.hpp>
#include <boost/parameter/aux_/default.hpp>
#include <boost/parameter/aux_/parameter_requirements.hpp>
#include <boost/parameter/aux_/yesno.hpp>
#include <boost/parameter/config.hpp>
#include <boost/mpl/apply.hpp>
#include <boost/mpl/assert.hpp>
#include <boost/mpl/begin.hpp>
#include <boost/mpl/end.hpp>
#include <boost/mpl/iterator_tags.hpp>
#include <boost/type_traits/add_reference.hpp>
#include <boost/type_traits/is_same.hpp>
#include <boost/type_traits/is_base_and_derived.hpp>
#include <boost/preprocessor/repetition/enum_params.hpp>
#include <boost/preprocessor/facilities/intercept.hpp>
namespace boost { namespace parameter {
// Forward declaration for aux::arg_list, below.
template<class T> struct keyword;
namespace aux {
//
// Structures used to build the tuple of actual arguments. The
// tuple is a nested cons-style list of arg_list specializations
// terminated by an empty_arg_list.
//
// Each specialization of arg_list is derived from its successor in
// the list type. This feature is used along with using
// declarations to build member function overload sets that can
// match against keywords.
//
// MPL sequence support
struct arg_list_tag;
// Terminates arg_list<> and represents an empty list. Since this
// is just the terminating case you might want to look at arg_list
// first, to get a feel for what's really happening here.
struct empty_arg_list
{
empty_arg_list() {}
// Constructor taking BOOST_PARAMETER_MAX_ARITY empty_arg_list
// arguments; this makes initialization
empty_arg_list(
BOOST_PP_ENUM_PARAMS(
BOOST_PARAMETER_MAX_ARITY, void_ BOOST_PP_INTERCEPT
))
{}
// A metafunction class that, given a keyword and a default
// type, returns the appropriate result type for a keyword
// lookup given that default
struct binding
{
template<class KW, class Default>
struct apply
{
typedef Default type;
};
};
#if !BOOST_WORKAROUND(BOOST_MSVC, <= 1300)
// Terminator for has_key, indicating that the keyword is unique
template <class KW>
static no_tag has_key(KW*);
#endif
#if BOOST_WORKAROUND(BOOST_MSVC, <= 1300) \
|| (BOOST_WORKAROUND(__GNUC__, < 3)) \
|| BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x564))
// The overload set technique doesn't work with these older
// compilers, so they need some explicit handholding.
// A metafunction class that, given a keyword, returns the type
// of the base sublist whose get() function can produce the
// value for that key
struct key_owner
{
template<class KW>
struct apply
{
typedef empty_arg_list type;
};
};
template <class K, class T>
T& get(default_<K,T> x) const
{
return x.value;
}
template <class K, class F>
typename result_of0<F>::type
get(lazy_default<K,F> x) const
{
return x.compute_default();
}
#endif
// If this function is called, it means there is no argument
// in the list that matches the supplied keyword. Just return
// the default value.
template <class K, class Default>
Default& operator[](default_<K, Default> x) const
{
return x.value;
}
// If this function is called, it means there is no argument
// in the list that matches the supplied keyword. Just evaluate
// and return the default value.
template <class K, class F>
typename result_of0<F>::type
operator[](
BOOST_PARAMETER_lazy_default_fallback<K,F> x) const
{
return x.compute_default();
}
// No argument corresponding to ParameterRequirements::key_type
// was found if we match this overload, so unless that parameter
// has a default, we indicate that the actual arguments don't
// match the function's requirements.
template <class ParameterRequirements>
static typename ParameterRequirements::has_default
satisfies(ParameterRequirements*);
// MPL sequence support
typedef empty_arg_list type; // convenience
typedef arg_list_tag tag; // For dispatching to sequence intrinsics
};
#if BOOST_WORKAROUND(BOOST_MSVC, <= 1300)
template<class KW>
no_tag operator*(empty_arg_list, KW*);
#endif
// Forward declaration for arg_list::operator,
template <class KW, class T>
struct tagged_argument;
// Forward declaration for arg_list::operator[], with
// IS_XXX helper
struct maybe_base;
template <class T>
struct is_maybe
: is_base_and_derived<maybe_base, T>
{};
template <class T>
struct get_reference
{
typedef typename T::reference type;
};
// A tuple of tagged arguments, terminated with empty_arg_list.
// Every TaggedArg is an instance of tagged_argument<>.
template <class TaggedArg, class Next = empty_arg_list>
struct arg_list : Next
{
typedef arg_list<TaggedArg,Next> self;
typedef typename TaggedArg::key_type key_type;
typedef typename is_maybe<typename TaggedArg::value_type>::type holds_maybe;
typedef typename mpl::eval_if<
holds_maybe
, get_reference<typename TaggedArg::value_type>
, get_reference<TaggedArg>
>::type reference;
typedef typename mpl::if_<
holds_maybe
, reference
, typename TaggedArg::value_type
>::type value_type;
TaggedArg arg; // Stores the argument
// Store the arguments in successive nodes of this list
template< // class A0, class A1, ...
BOOST_PP_ENUM_PARAMS(BOOST_PARAMETER_MAX_ARITY, class A)
>
arg_list( // A0& a0, A1& a1, ...
BOOST_PP_ENUM_BINARY_PARAMS(BOOST_PARAMETER_MAX_ARITY, A, & a)
)
: Next( // a1, a2, ...
BOOST_PP_ENUM_SHIFTED_PARAMS(BOOST_PARAMETER_MAX_ARITY, a)
, void_reference()
)
, arg(a0)
{}
// Create a new list by prepending arg to a copy of tail. Used
// when incrementally building this structure with the comma
// operator.
arg_list(TaggedArg arg, Next const& tail)
: Next(tail)
, arg(arg)
{}
// A metafunction class that, given a keyword and a default
// type, returns the appropriate result type for a keyword
// lookup given that default
struct binding
{
template <class KW, class Default>
struct apply
{
typedef typename mpl::eval_if<
boost::is_same<KW, key_type>
, mpl::identity<reference>
, mpl::apply_wrap2<typename Next::binding, KW, Default>
>::type type;
};
};
#if !BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x564)) && !BOOST_WORKAROUND(__GNUC__, == 2)
# if BOOST_WORKAROUND(BOOST_MSVC, <= 1300)
friend yes_tag operator*(arg_list, key_type*);
# define BOOST_PARAMETER_CALL_HAS_KEY(next, key) (*(next*)0 * (key*)0)
# else
// Overload for key_type, so the assert below will fire if the
// same keyword is used again
static yes_tag has_key(key_type*);
using Next::has_key;
# define BOOST_PARAMETER_CALL_HAS_KEY(next, key) next::has_key((key*)0)
# endif
BOOST_MPL_ASSERT_MSG(
sizeof(BOOST_PARAMETER_CALL_HAS_KEY(Next,key_type)) == sizeof(no_tag)
, duplicate_keyword, (key_type)
);
# undef BOOST_PARAMETER_CALL_HAS_KEY
#endif
//
// Begin implementation of indexing operators for looking up
// specific arguments by name
//
// Helpers that handle the case when TaggedArg is
// empty<T>.
template <class D>
reference get_default(D const&, mpl::false_) const
{
return arg.value;
}
template <class D>
reference get_default(D const& d, mpl::true_) const
{
return arg.value ? arg.value.get() : arg.value.construct(d.value);
}
#if BOOST_WORKAROUND(BOOST_MSVC, <= 1300) \
|| BOOST_WORKAROUND(__GNUC__, < 3) \
|| BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x564))
// These older compilers don't support the overload set creation
// idiom well, so we need to do all the return type calculation
// for the compiler and dispatch through an outer function template
// A metafunction class that, given a keyword, returns the base
// sublist whose get() function can produce the value for that
// key.
struct key_owner
{
template<class KW>
struct apply
{
typedef typename mpl::eval_if<
boost::is_same<KW, key_type>
, mpl::identity<arg_list<TaggedArg,Next> >
, mpl::apply_wrap1<typename Next::key_owner,KW>
>::type type;
};
};
// Outer indexing operators that dispatch to the right node's
// get() function.
template <class KW>
typename mpl::apply_wrap2<binding, KW, void_>::type
operator[](keyword<KW> const& x) const
{
typename mpl::apply_wrap1<key_owner, KW>::type const& sublist = *this;
return sublist.get(x);
}
template <class KW, class Default>
typename mpl::apply_wrap2<binding, KW, Default&>::type
operator[](default_<KW, Default> x) const
{
typename mpl::apply_wrap1<key_owner, KW>::type const& sublist = *this;
return sublist.get(x);
}
template <class KW, class F>
typename mpl::apply_wrap2<
binding,KW
, typename result_of0<F>::type
>::type
operator[](lazy_default<KW,F> x) const
{
typename mpl::apply_wrap1<key_owner, KW>::type const& sublist = *this;
return sublist.get(x);
}
// These just return the stored value; when empty_arg_list is
// reached, indicating no matching argument was passed, the
// default is returned, or if no default_ or lazy_default was
// passed, compilation fails.
reference get(keyword<key_type> const&) const
{
BOOST_MPL_ASSERT_NOT((holds_maybe));
return arg.value;
}
template <class Default>
reference get(default_<key_type,Default> const& d) const
{
return get_default(d, holds_maybe());
}
template <class Default>
reference get(lazy_default<key_type, Default>) const
{
return arg.value;
}
#else
reference operator[](keyword<key_type> const&) const
{
BOOST_MPL_ASSERT_NOT((holds_maybe));
return arg.value;
}
template <class Default>
reference operator[](default_<key_type, Default> const& d) const
{
return get_default(d, holds_maybe());
}
template <class Default>
reference operator[](lazy_default<key_type, Default>) const
{
return arg.value;
}
// Builds an overload set including operator[]s defined in base
// classes.
using Next::operator[];
//
// End of indexing support
//
//
// For parameter_requirements matching this node's key_type,
// return a bool constant wrapper indicating whether the
// requirements are satisfied by TaggedArg. Used only for
// compile-time computation and never really called, so a
// declaration is enough.
//
template <class HasDefault, class Predicate>
static typename mpl::apply1<Predicate, value_type>::type
satisfies(
parameter_requirements<key_type,Predicate,HasDefault>*
);
// Builds an overload set including satisfies functions defined
// in base classes.
using Next::satisfies;
#endif
// Comma operator to compose argument list without using parameters<>.
// Useful for argument lists with undetermined length.
template <class KW, class T2>
arg_list<tagged_argument<KW, T2>, self>
operator,(tagged_argument<KW,T2> x) const
{
return arg_list<tagged_argument<KW,T2>, self>(x, *this);
}
// MPL sequence support
typedef self type; // Convenience for users
typedef Next tail_type; // For the benefit of iterators
typedef arg_list_tag tag; // For dispatching to sequence intrinsics
};
#if BOOST_WORKAROUND(BOOST_MSVC, <= 1300) // ETI workaround
template <> struct arg_list<int,int> {};
#endif
// MPL sequence support
template <class ArgumentPack>
struct arg_list_iterator
{
typedef mpl::forward_iterator_tag category;
// The incremented iterator
typedef arg_list_iterator<typename ArgumentPack::tail_type> next;
// dereferencing yields the key type
typedef typename ArgumentPack::key_type type;
};
template <>
struct arg_list_iterator<empty_arg_list> {};
}} // namespace parameter::aux
// MPL sequence support
namespace mpl
{
template <>
struct begin_impl<parameter::aux::arg_list_tag>
{
template <class S>
struct apply
{
typedef parameter::aux::arg_list_iterator<S> type;
};
};
template <>
struct end_impl<parameter::aux::arg_list_tag>
{
template <class>
struct apply
{
typedef parameter::aux::arg_list_iterator<parameter::aux::empty_arg_list> type;
};
};
}
} // namespace boost
#endif // ARG_LIST_050329_HPP

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include/boost/parameter/aux_/cast.hpp
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// 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_CAST_060902_HPP
# define BOOST_PARAMETER_CAST_060902_HPP
# include <boost/type_traits/add_reference.hpp>
# include <boost/type_traits/add_const.hpp>
namespace boost { namespace parameter { namespace aux {
# if defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) \
|| BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x564))
# define BOOST_PARAMETER_FUNCTION_CAST(value, predicate) value
# else
// Handles possible implicit casts. Used by preprocessor.hpp to
// normalize user input.
//
// cast<void*>::execute() is identity
// cast<void*(X)>::execute() is identity
// cast<void(X)>::execute() casts to X
//
// preprocessor.hpp uses this like this:
//
// #define X(value, predicate)
// cast<void predicate>::execute(value)
//
// X(something, *)
// X(something, *(predicate))
// X(something, (int))
template <class T>
struct cast;
template <>
struct cast<void*>
{
template <class U>
static U& execute(U& value)
{
return value;
}
};
template <class T>
struct cast<void*(T)>
: cast<void*>
{
};
template <class T>
struct cast<void(T)>
{
typedef typename boost::add_reference<
typename boost::add_const<T>::type
>::type reference;
static reference execute(reference value)
{
return value;
}
};
# define BOOST_PARAMETER_FUNCTION_CAST(value, predicate) \
boost::parameter::aux::cast<void predicate>::execute(value)
# endif
}}} // namespace boost::parameter::aux
#endif // BOOST_PARAMETER_CAST_060902_HPP

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include/boost/parameter/aux_/default.hpp
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// Copyright Daniel Wallin, David Abrahams 2005. 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 DEFAULT_050329_HPP
#define DEFAULT_050329_HPP
namespace boost { namespace parameter { namespace aux {
// A wrapper for the default value passed by the user when resolving
// the value of the parameter with the given Keyword
template <class Keyword, class Value>
struct default_
{
default_(Value& x)
: value(x)
{}
Value& value;
};
//
// lazy_default --
//
// A wrapper for the default value computation function passed by
// the user when resolving the value of the parameter with the
// given keyword
//
#if BOOST_WORKAROUND(__EDG_VERSION__, <= 300)
// These compilers need a little extra help with overload
// resolution; we have empty_arg_list's operator[] accept a base
// class to make that overload less preferable.
template <class KW, class DefaultComputer>
struct lazy_default_base
{
lazy_default_base(DefaultComputer const& x)
: compute_default(x)
{}
DefaultComputer const& compute_default;
};
template <class KW, class DefaultComputer>
struct lazy_default
: lazy_default_base<KW,DefaultComputer>
{
lazy_default(DefaultComputer const & x)
: lazy_default_base<KW,DefaultComputer>(x)
{}
};
# define BOOST_PARAMETER_lazy_default_fallback lazy_default_base
#else
template <class KW, class DefaultComputer>
struct lazy_default
{
lazy_default(const DefaultComputer& x)
: compute_default(x)
{}
DefaultComputer const& compute_default;
};
# define BOOST_PARAMETER_lazy_default_fallback lazy_default
#endif
}}} // namespace boost::parameter::aux
#endif // DEFAULT_050329_HPP

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include/boost/parameter/aux_/maybe.hpp
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// 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_MAYBE_060211_HPP
# define BOOST_PARAMETER_MAYBE_060211_HPP
# include <boost/mpl/if.hpp>
# include <boost/mpl/identity.hpp>
# include <boost/type_traits/is_reference.hpp>
# include <boost/type_traits/add_reference.hpp>
# include <boost/type_traits/add_const.hpp>
# include <boost/optional.hpp>
# include <boost/python/detail/referent_storage.hpp>
namespace boost { namespace parameter { namespace aux {
struct maybe_base {};
template <class T>
struct maybe : maybe_base
{
typedef typename mpl::if_<
is_reference<T>
, T
, typename add_reference<
# if BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x564))
T const
# else
typename add_const<T>::type
# endif
>::type
>::type reference;
explicit maybe(T value)
: value(value)
, constructed(false)
{}
maybe()
: constructed(false)
{}
~maybe()
{
if (constructed)
destroy((void(*)(reference))0);
}
reference construct(reference value) const
{
return value;
}
template <class U, class V>
reference construct(U const& value, void(*)(V&)) const
{
new (m_storage.bytes) V(value);
constructed = true;
return *(V*)m_storage.bytes;
}
template <class U>
reference construct(U const& value) const
{
return construct(value, (void(*)(reference))0);
}
template <class U>
void destroy(void(*)(U&))
{
((U*)m_storage.bytes)->~U();
}
typedef reference(maybe<T>::*safe_bool)() const;
operator safe_bool() const
{
return value ? &maybe<T>::get : 0 ;
}
reference get() const
{
return value.get();
}
private:
boost::optional<T> value;
mutable bool constructed;
mutable typename boost::python::detail::referent_storage<
reference
>::type m_storage;
};
}}} // namespace boost::parameter::aux
#endif // BOOST_PARAMETER_MAYBE_060211_HPP

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include/boost/parameter/aux_/overloads.hpp
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// Copyright David Abrahams, Daniel Wallin 2003. 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)
// This file generates overloads in this format:
//
// template<class A0, class A1>
// typename mpl::apply_wrap1<
// aux::make_arg_list<
// PS0,A0
// , aux::make_arg_list<
// PS1,A1
// , mpl::identity<aux::empty_arg_list>
// >
// >
// , unnamed_list
// >::type
// operator()(A0 const& a0, A1 const& a1) const
// {
// typedef typename mpl::apply_wrap1<
// aux::make_arg_list<
// PS0,A0
// , aux::make_arg_list<
// PS1,A1
// , mpl::identity<aux::empty_arg_list>
// >
// >
// >::type arg_tuple;
//
// return arg_tuple(
// a0
// , a1
// , aux::void_()
// ...
// );
// }
//
#if !defined(BOOST_PP_IS_ITERATING)
# error Boost.Parameters - do not include this file!
#endif
#define N BOOST_PP_ITERATION()
#define BOOST_PARAMETER_open_list(z, n, text) \
aux::make_arg_list< \
BOOST_PP_CAT(PS, n), BOOST_PP_CAT(A, n), aux::tag_keyword_arg
#define BOOST_PARAMETER_close_list(z, n, text) >
#define BOOST_PARAMETER_arg_list(n) \
mpl::apply_wrap1< \
BOOST_PP_ENUM(N, BOOST_PARAMETER_open_list, _) \
, mpl::always<aux::empty_arg_list> \
BOOST_PP_REPEAT(N, BOOST_PARAMETER_close_list, _) \
, unnamed_list>
template<BOOST_PP_ENUM_PARAMS(N, class A)>
typename BOOST_PARAMETER_arg_list(N)::type
operator()(BOOST_PP_ENUM_BINARY_PARAMS(N, A, & a)) const
{
typedef typename BOOST_PARAMETER_arg_list(N)::type arg_tuple;
return arg_tuple(
BOOST_PP_ENUM_PARAMS(N, a)
BOOST_PP_ENUM_TRAILING_PARAMS(
BOOST_PP_SUB(BOOST_PARAMETER_MAX_ARITY, N)
, aux::void_reference() BOOST_PP_INTERCEPT
));
}
#undef BOOST_PARAMETER_arg_list
#undef BOOST_PARAMETER_open_list
#undef BOOST_PARAMETER_close_list
#undef N

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include/boost/parameter/aux_/parameter_requirements.hpp
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// Copyright Daniel Wallin, David Abrahams 2005. 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 PARAMETER_REQUIREMENTS_050331_HPP
#define PARAMETER_REQUIREMENTS_050331_HPP
namespace boost { namespace parameter { namespace aux {
// Used to pass static information about parameter requirements
// through the satisfies() overload set (below). The
// matched function is never invoked, but its type indicates whether
// a parameter matches at compile-time
template <class Keyword, class Predicate, class HasDefault>
struct parameter_requirements
{
typedef Keyword keyword;
typedef Predicate predicate;
typedef HasDefault has_default;
};
}}} // namespace boost::parameter::aux
#endif // PARAMETER_REQUIREMENTS_050331_HPP

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include/boost/parameter/aux_/parenthesized_type.hpp
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// Copyright David Abrahams 2006. 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_PARENTHESIZED_TYPE_DWA2006414_HPP
# define BOOST_PARAMETER_AUX_PARENTHESIZED_TYPE_DWA2006414_HPP
# include <boost/config.hpp>
# include <boost/detail/workaround.hpp>
namespace boost { namespace parameter { namespace aux {
// A macro that takes a parenthesized C++ type name (T) and transforms
// it into an un-parenthesized type expression equivalent to T.
# define BOOST_PARAMETER_PARENTHESIZED_TYPE(x) \
boost::parameter::aux::unaryfunptr_arg_type< void(*)x >::type
// A metafunction that transforms void(*)(T) -> T
template <class UnaryFunctionPointer>
struct unaryfunptr_arg_type;
# if !BOOST_WORKAROUND(BOOST_MSVC, <= 1300)
template <class Arg>
struct unaryfunptr_arg_type<void(*)(Arg)>
{
typedef Arg type;
};
# else
// Use the "native typeof" bugfeatures of older versions of MSVC to
// accomplish what we'd normally do with partial specialization. This
// capability was discovered by Igor Chesnokov.
# if BOOST_WORKAROUND(BOOST_MSVC, != 1300)
// This version applies to VC6.5 and VC7.1 (except that we can just
// use partial specialization for the latter in this case).
// This gets used as a base class.
template<typename Address>
struct msvc_type_memory
{
// A nullary metafunction that will yield the Value type "stored"
// at this Address.
struct storage;
};
template<typename Value, typename Address>
struct msvc_store_type : msvc_type_memory<Address>
{
// VC++ somehow lets us define the base's nested storage
// metafunction here, where we have the Value type we'd like to
// "store" in it. Later we can come back to the base class and
// extract the "stored type."
typedef msvc_type_memory<Address> location;
struct location::storage
{
typedef Value type;
};
};
# else
// This slightly more complicated version of the same thing is
// required for msvc-7.0
template<typename Address>
struct msvc_type_memory
{
template<bool>
struct storage_impl;
typedef storage_impl<true> storage;
};
template<typename Value, typename Address>
struct msvc_store_type : msvc_type_memory<Address>
{
// Rather than supplying a definition for the base class' nested
// class, we specialize the base class' nested template
template<>
struct storage_impl<true>
{
typedef Value type;
};
};
# endif
// 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(*)(T)>
msvc_store_argument_type(void(*)(T));
template <class FunctionPointer>
struct unaryfunptr_arg_type
{
// We don't want the function to be evaluated, just instantiated,
// so protect it inside of sizeof.
enum { dummy = sizeof(msvc_store_argument_type((FunctionPointer)0)) };
// Now pull the type out of the instantiated base class
typedef typename msvc_type_memory<FunctionPointer>::storage::type type;
};
# endif
template <>
struct unaryfunptr_arg_type<void(*)(void)>
{
typedef void type;
};
}}} // namespace boost::parameter::aux
#endif // BOOST_PARAMETER_AUX_PARENTHESIZED_TYPE_DWA2006414_HPP

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// Copyright Daniel Wallin 2005. 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_FLATTEN_051217_HPP
# define BOOST_PARAMETER_FLATTEN_051217_HPP
# include <boost/preprocessor/tuple/elem.hpp>
# include <boost/preprocessor/tuple/rem.hpp>
# include <boost/preprocessor/cat.hpp>
# include <boost/preprocessor/seq/for_each.hpp>
# include <boost/preprocessor/selection/max.hpp>
# include <boost/preprocessor/arithmetic/sub.hpp>
# include <boost/preprocessor/repetition/enum_trailing.hpp>
# include <boost/parameter/aux_/preprocessor/for_each.hpp>
# define BOOST_PARAMETER_FLATTEN_SPLIT_required required,
# define BOOST_PARAMETER_FLATTEN_SPLIT_optional optional,
# define BOOST_PARAMETER_FLATTEN_SPLIT(sub) \
BOOST_PP_CAT(BOOST_PARAMETER_FLATTEN_SPLIT_, sub)
# define BOOST_PARAMETER_FLATTEN_QUALIFIER(sub) \
BOOST_PP_SPLIT(0, BOOST_PARAMETER_FLATTEN_SPLIT(sub))
# define BOOST_PARAMETER_FLATTEN_ARGS(sub) \
BOOST_PP_SPLIT(1, BOOST_PARAMETER_FLATTEN_SPLIT(sub))
# define BOOST_PARAMETER_FLATTEN_ARITY_optional(arities) \
BOOST_PP_TUPLE_ELEM(3,0,arities)
# define BOOST_PARAMETER_FLATTEN_ARITY_required(arities) \
BOOST_PP_TUPLE_ELEM(3,1,arities)
# define BOOST_PARAMETER_FLATTEN_SPEC0_DUMMY_ELEM(z, n, data) ~
# define BOOST_PARAMETER_FLATTEN_SPEC0(r, n, elem, data) \
(( \
BOOST_PP_TUPLE_ELEM(3,2,data) \
, BOOST_PP_TUPLE_REM(BOOST_PP_TUPLE_ELEM(3,0,data)) elem \
BOOST_PP_ENUM_TRAILING( \
BOOST_PP_SUB( \
BOOST_PP_TUPLE_ELEM(3,1,data) \
, BOOST_PP_TUPLE_ELEM(3,0,data) \
) \
, BOOST_PARAMETER_FLATTEN_SPEC0_DUMMY_ELEM \
, ~ \
) \
))
# define BOOST_PARAMETER_FLATTEN_SPEC_AUX(r, arity, max_arity, spec) \
BOOST_PARAMETER_FOR_EACH_R( \
r \
, arity \
, BOOST_PARAMETER_FLATTEN_ARGS(spec) \
, (arity, max_arity, BOOST_PARAMETER_FLATTEN_QUALIFIER(spec)) \
, BOOST_PARAMETER_FLATTEN_SPEC0 \
)
# define BOOST_PARAMETER_FLATTEN_SPEC(r, arities, spec) \
BOOST_PARAMETER_FLATTEN_SPEC_AUX( \
r \
, BOOST_PP_CAT( \
BOOST_PARAMETER_FLATTEN_ARITY_, BOOST_PARAMETER_FLATTEN_QUALIFIER(spec) \
)(arities) \
, BOOST_PP_TUPLE_ELEM(3,2,arities) \
, spec \
)
# define BOOST_PARAMETER_FLATTEN(optional_arity, required_arity, wanted_arity, specs) \
BOOST_PP_SEQ_FOR_EACH( \
BOOST_PARAMETER_FLATTEN_SPEC \
, ( \
optional_arity, required_arity \
, wanted_arity \
) \
, specs \
)
#endif // BOOST_PARAMETER_FLATTEN_051217_HPP

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@@ -1,103 +0,0 @@
// Copyright Daniel Wallin 2005. 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_FOR_EACH_051217_HPP
# define BOOST_PARAMETER_FOR_EACH_051217_HPP
# include <boost/preprocessor/cat.hpp>
# include <boost/preprocessor/detail/split.hpp>
# include <boost/preprocessor/logical/not.hpp>
# include <boost/preprocessor/facilities/is_empty.hpp>
# include <boost/preprocessor/tuple/eat.hpp>
# include <boost/preprocessor/arithmetic/inc.hpp>
# include <boost/preprocessor/repeat.hpp>
# include <boost/preprocessor/punctuation/comma_if.hpp>
# include <boost/preprocessor/for.hpp>
# include <boost/preprocessor/repetition/deduce_r.hpp>
# define BOOST_PARAMETER_FOR_EACH_head_aux2(x,y) (x,y), ~
# define BOOST_PARAMETER_FOR_EACH_head_aux3(x,y,z) (x,y,z), ~
# define BOOST_PARAMETER_FOR_EACH_head_aux4(x,y,z,u) (x,y,z,u), ~
# define BOOST_PARAMETER_FOR_EACH_head(n,x) \
BOOST_PP_SPLIT(0, BOOST_PP_CAT(BOOST_PARAMETER_FOR_EACH_head_aux,n) x)
# define BOOST_PARAMETER_FOR_EACH_pred_aux_BOOST_PARAMETER_FOR_EACH_END_SENTINEL
# define BOOST_PARAMETER_FOR_EACH_pred_aux_check(x) \
BOOST_PP_NOT(BOOST_PP_IS_EMPTY( \
BOOST_PP_CAT(BOOST_PARAMETER_FOR_EACH_pred_aux_, x) \
)), ~
# define BOOST_PARAMETER_FOR_EACH_pred_aux2(x,y) \
BOOST_PARAMETER_FOR_EACH_pred_aux_check(x)
# define BOOST_PARAMETER_FOR_EACH_pred_aux3(x,y,z) \
BOOST_PARAMETER_FOR_EACH_pred_aux_check(x)
# define BOOST_PARAMETER_FOR_EACH_pred_aux4(x,y,z,u) \
BOOST_PARAMETER_FOR_EACH_pred_aux_check(x)
# define BOOST_PARAMETER_FOR_EACH_pred_aux0(n,x) \
BOOST_PP_CAT(BOOST_PARAMETER_FOR_EACH_pred_aux,n) x
# if BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_MSVC()
# define BOOST_PARAMETER_FOR_EACH_pred_SPLIT_FIRST(x) \
BOOST_PP_SPLIT(0, x)
# define BOOST_PARAMETER_FOR_EACH_pred(r, state) \
BOOST_PARAMETER_FOR_EACH_pred_SPLIT_FIRST( \
BOOST_PARAMETER_FOR_EACH_pred_aux0( \
BOOST_PP_TUPLE_ELEM(5,3,state) \
, BOOST_PP_TUPLE_ELEM(5,0,state) \
) \
)
# else
# define BOOST_PARAMETER_FOR_EACH_pred(r, state) \
BOOST_PP_SPLIT( \
0 \
, BOOST_PARAMETER_FOR_EACH_pred_aux0( \
BOOST_PP_TUPLE_ELEM(5,3,state) \
, BOOST_PP_TUPLE_ELEM(5,0,state) \
) \
)
# endif
# define BOOST_PARAMETER_FOR_EACH_op(r, state) \
( \
BOOST_PP_TUPLE_EAT(BOOST_PP_TUPLE_ELEM(5,3,state)) \
BOOST_PP_TUPLE_ELEM(5,0,state) \
, BOOST_PP_TUPLE_ELEM(5,1,state) \
, BOOST_PP_TUPLE_ELEM(5,2,state) \
, BOOST_PP_TUPLE_ELEM(5,3,state) \
, BOOST_PP_INC(BOOST_PP_TUPLE_ELEM(5,4,state)) \
)
# define BOOST_PARAMETER_FOR_EACH_macro(r, state) \
BOOST_PP_TUPLE_ELEM(5,2,state)( \
r \
, BOOST_PP_TUPLE_ELEM(5,4,state) \
, BOOST_PARAMETER_FOR_EACH_head( \
BOOST_PP_TUPLE_ELEM(5,3,state) \
, BOOST_PP_TUPLE_ELEM(5,0,state) \
) \
, BOOST_PP_TUPLE_ELEM(5,1,state) \
)
# define BOOST_PARAMETER_FOR_EACH_build_end_sentinel(z,n,text) \
BOOST_PP_COMMA_IF(n) BOOST_PARAMETER_FOR_EACH_END_SENTINEL
# define BOOST_PARAMETER_FOR_EACH_build_end_sentinel_tuple(arity) \
( \
BOOST_PP_REPEAT(arity, BOOST_PARAMETER_FOR_EACH_build_end_sentinel, _) \
)
# define BOOST_PARAMETER_FOR_EACH_R(r, arity, list, data, macro) \
BOOST_PP_CAT(BOOST_PP_FOR_, r)( \
(list BOOST_PARAMETER_FOR_EACH_build_end_sentinel_tuple(arity), data, macro, arity, 0) \
, BOOST_PARAMETER_FOR_EACH_pred \
, BOOST_PARAMETER_FOR_EACH_op \
, BOOST_PARAMETER_FOR_EACH_macro \
)
# define BOOST_PARAMETER_FOR_EACH(arity, list, data, macro) \
BOOST_PARAMETER_FOR_EACH_R(BOOST_PP_DEDUCE_R(), arity, list, data, macro)
#endif // BOOST_PARAMETER_FOR_EACH_051217_HPP

131
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@@ -1,131 +0,0 @@
// Copyright Daniel Wallin 2005. 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_INVOKER_051210_HPP
# define BOOST_PARAMETER_INVOKER_051210_HPP
# include <boost/mpl/begin.hpp>
# include <boost/mpl/next.hpp>
# include <boost/mpl/deref.hpp>
# include <boost/parameter/keyword.hpp>
# include <boost/preprocessor/iteration/iterate.hpp>
namespace boost { namespace parameter { namespace python { namespace aux {
template <long Arity, class M, class R, class Args>
struct invoker;
template <class M, class R>
struct make_invoker
{
template <class Args>
struct apply
{
typedef invoker<
mpl::size<Args>::value, M, R, Args
> type;
};
};
template <long Arity, class M, class R, class T, class Args>
struct member_invoker;
template <class M, class R, class T>
struct make_member_invoker
{
template <class Args>
struct apply
{
typedef member_invoker<
mpl::size<Args>::value, M, R, T, Args
> type;
};
};
template <long Arity, class T, class R, class Args>
struct call_invoker;
template <class T, class R>
struct make_call_invoker
{
template <class Args>
struct apply
{
typedef call_invoker<
mpl::size<Args>::value, T, R, Args
> type;
};
};
template <long Arity, class T, class Args>
struct init_invoker;
template <class T>
struct make_init_invoker
{
template <class Args>
struct apply
{
typedef init_invoker<
mpl::size<Args>::value, T, Args
> type;
};
};
template <class M, class R, class Args>
struct invoker<0, M, R, Args>
{
static R execute()
{
return M()(boost::type<R>());
}
};
template <class M, class R, class T, class Args>
struct member_invoker<0, M, R, T, Args>
{
static R execute()
{
return M()(boost::type<R>());
}
};
template <class T, class R, class Args>
struct call_invoker<0, T, R, Args>
{
static R execute(T& self)
{
return self();
}
};
template <class T, class Args>
struct init_invoker<0, T, Args>
{
static T* execute(T& self)
{
return new T;
}
};
# define BOOST_PP_ITERATION_PARAMS_1 (4, \
(1, BOOST_PARAMETER_MAX_ARITY, <boost/parameter/aux_/python/invoker_iterate.hpp>, 1))
# include BOOST_PP_ITERATE()
# define BOOST_PP_ITERATION_PARAMS_1 (4, \
(1, BOOST_PARAMETER_MAX_ARITY, <boost/parameter/aux_/python/invoker_iterate.hpp>, 2))
# include BOOST_PP_ITERATE()
# define BOOST_PP_ITERATION_PARAMS_1 (4, \
(1, BOOST_PARAMETER_MAX_ARITY, <boost/parameter/aux_/python/invoker_iterate.hpp>, 3))
# include BOOST_PP_ITERATE()
# define BOOST_PP_ITERATION_PARAMS_1 (4, \
(1, BOOST_PARAMETER_MAX_ARITY, <boost/parameter/aux_/python/invoker_iterate.hpp>, 4))
# include BOOST_PP_ITERATE()
}}}} // namespace boost::parameter::python::aux
#endif // BOOST_PARAMETER_INVOKER_051210_HPP

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@@ -1,93 +0,0 @@
// Copyright Daniel Wallin 2005. 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)
#include <boost/preprocessor/cat.hpp>
#include <boost/preprocessor/dec.hpp>
#include <boost/preprocessor/repetition/enum_binary_params.hpp>
#include <boost/preprocessor/repetition/repeat_from_to.hpp>
#define N BOOST_PP_ITERATION()
#define BOOST_PARAMETER_PY_ARG_TYPES(z, n, _) \
typedef typename mpl::next< \
BOOST_PP_CAT(iter,BOOST_PP_DEC(n)) \
>::type BOOST_PP_CAT(iter,n); \
\
typedef typename mpl::deref<BOOST_PP_CAT(iter,n)>::type BOOST_PP_CAT(spec,n); \
typedef typename mpl::if_< \
mpl::and_< \
mpl::not_<typename BOOST_PP_CAT(spec,n)::required> \
, typename BOOST_PP_CAT(spec,n)::optimized_default \
> \
, parameter::aux::maybe<typename BOOST_PP_CAT(spec,n)::type> \
, typename BOOST_PP_CAT(spec,n)::type \
>::type BOOST_PP_CAT(arg,n); \
typedef typename BOOST_PP_CAT(spec,n)::keyword BOOST_PP_CAT(kw,n);
#if BOOST_PP_ITERATION_FLAGS() == 1
template <class M, class R, class Args>
struct invoker<N, M, R, Args>
#elif BOOST_PP_ITERATION_FLAGS() == 2
template <class T, class R, class Args>
struct call_invoker<N, T, R, Args>
#elif BOOST_PP_ITERATION_FLAGS() == 3
template <class T, class Args>
struct init_invoker<N, T, Args>
#elif BOOST_PP_ITERATION_FLAGS() == 4
template <class M, class R, class T, class Args>
struct member_invoker<N, M, R, T, Args>
#endif
{
typedef typename mpl::begin<Args>::type iter0;
typedef typename mpl::deref<iter0>::type spec0;
typedef typename mpl::if_<
mpl::and_<
mpl::not_<typename spec0::required>
, typename spec0::optimized_default
>
, parameter::aux::maybe<typename spec0::type>
, typename spec0::type
>::type arg0;
typedef typename spec0::keyword kw0;
BOOST_PP_REPEAT_FROM_TO(1, N, BOOST_PARAMETER_PY_ARG_TYPES, ~)
static
#if BOOST_PP_ITERATION_FLAGS() == 3
T*
#else
R
#endif
execute(
#if BOOST_PP_ITERATION_FLAGS() == 2 || BOOST_PP_ITERATION_FLAGS() == 4
T& self
,
#endif
BOOST_PP_ENUM_BINARY_PARAMS(N, arg, a)
)
{
return
#if BOOST_PP_ITERATION_FLAGS() == 1 || BOOST_PP_ITERATION_FLAGS() == 4
M()(
boost::type<R>()
# if BOOST_PP_ITERATION_FLAGS() == 4
, self
# endif
, BOOST_PP_ENUM_BINARY_PARAMS(N, parameter::keyword<kw, >::get() = a)
);
#elif BOOST_PP_ITERATION_FLAGS() == 2
self(
BOOST_PP_ENUM_BINARY_PARAMS(N, parameter::keyword<kw, >::get() = a)
);
#elif BOOST_PP_ITERATION_FLAGS() == 3
new T(
BOOST_PP_ENUM_BINARY_PARAMS(N, parameter::keyword<kw, >::get() = a)
);
#endif
}
};
#undef BOOST_PARAMETER_PY_ARG_TYPES
#undef N

36
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@@ -1,36 +0,0 @@
// Copyright David Abrahams 2005. 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_RESULT_OF0_DWA2005511_HPP
# define BOOST_PARAMETER_AUX_RESULT_OF0_DWA2005511_HPP
# include <boost/utility/result_of.hpp>
// A metafunction returning the result of invoking a nullary function
// object of the given type.
#ifndef BOOST_NO_RESULT_OF
# include <boost/utility/result_of.hpp>
namespace boost { namespace parameter { namespace aux {
template <class F>
struct result_of0 : result_of<F()>
{};
}}} // namespace boost::parameter::aux_
#else
namespace boost { namespace parameter { namespace aux {
template <class F>
struct result_of0
{
typedef typename F::result_type type;
};
}}} // namespace boost::parameter::aux_
#endif
#endif // BOOST_PARAMETER_AUX_RESULT_OF0_DWA2005511_HPP

38
include/boost/parameter/aux_/tag.hpp
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@@ -1,38 +0,0 @@
// Copyright David Abrahams 2005. 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_TAG_DWA2005610_HPP
# define BOOST_PARAMETER_AUX_TAG_DWA2005610_HPP
# include <boost/parameter/aux_/unwrap_cv_reference.hpp>
# include <boost/parameter/aux_/tagged_argument.hpp>
namespace boost { namespace parameter { namespace aux {
template <class Keyword, class ActualArg
#if BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x564))
, class = typename is_cv_reference_wrapper<ActualArg>::type
#endif
>
struct tag
{
typedef tagged_argument<
Keyword
, typename unwrap_cv_reference<ActualArg>::type
> type;
};
#if BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x564))
template <class Keyword, class ActualArg>
struct tag<Keyword,ActualArg,mpl::false_>
{
typedef tagged_argument<
Keyword
, ActualArg
> type;
};
#endif
}}} // namespace boost::parameter::aux_
#endif // BOOST_PARAMETER_AUX_TAG_DWA2005610_HPP

186
include/boost/parameter/aux_/tagged_argument.hpp
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@@ -1,186 +0,0 @@
// Copyright Daniel Wallin, David Abrahams 2005. 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_TAGGED_ARGUMENT_050328_HPP
# define BOOST_PARAMETER_TAGGED_ARGUMENT_050328_HPP
# include <boost/parameter/aux_/void.hpp>
# include <boost/parameter/aux_/arg_list.hpp>
# include <boost/parameter/aux_/result_of0.hpp>
# include <boost/mpl/if.hpp>
# include <boost/mpl/apply_wrap.hpp>
# include <boost/mpl/and.hpp>
# include <boost/mpl/not.hpp>
# include <boost/type_traits/is_same.hpp>
# include <boost/type_traits/is_reference.hpp>
namespace boost { namespace parameter { namespace aux {
struct empty_arg_list;
struct arg_list_tag;
struct tagged_argument_base {};
// Holds a reference to an argument of type Arg associated with
// keyword Keyword
template <class Keyword, class Arg>
struct tagged_argument : tagged_argument_base
{
typedef Keyword key_type;
typedef Arg value_type;
typedef Arg& reference;
tagged_argument(reference x) : value(x) {}
// A metafunction class that, given a keyword and a default
// type, returns the appropriate result type for a keyword
// lookup given that default
struct binding
{
template <class KW, class Default>
struct apply
{
typedef typename mpl::if_<
boost::is_same<KW, key_type>
, reference
, Default
>::type type;
};
};
// Comma operator to compose argument list without using parameters<>.
// Useful for argument lists with undetermined length.
template <class Keyword2, class Arg2>
arg_list<
tagged_argument<Keyword, Arg>
, arg_list<tagged_argument<Keyword2, Arg2> >
>
operator,(tagged_argument<Keyword2, Arg2> x) const
{
return arg_list<
tagged_argument<Keyword, Arg>
, arg_list<tagged_argument<Keyword2, Arg2> >
>(
*this
, arg_list<tagged_argument<Keyword2, Arg2> >(x, empty_arg_list())
);
}
reference operator[](keyword<Keyword> const&) const
{
return value;
}
# ifdef BOOST_NO_FUNCTION_TEMPLATE_ORDERING
template <class KW, class Default>
Default& get_with_default(default_<KW,Default> const& x, int) const
{
return x.value;
}
template <class Default>
reference get_with_default(default_<key_type,Default> const&, long) const
{
return value;
}
template <class KW, class Default>
typename mpl::apply_wrap2<binding, KW, Default&>::type
operator[](default_<KW,Default> const& x) const
{
return get_with_default(x, 0L);
}
template <class KW, class F>
typename result_of0<F>::type
get_with_lazy_default(lazy_default<KW,F> const& x, int) const
{
return x.compute_default();
}
template <class F>
reference get_with_lazy_default(lazy_default<key_type,F> const&, long) const
{
return value;
}
template <class KW, class F>
typename mpl::apply_wrap2<
binding,KW
, typename result_of0<F>::type
>::type
operator[](lazy_default<KW,F> const& x) const
{
return get_with_lazy_default(x, 0L);
}
# else
template <class Default>
reference operator[](default_<key_type,Default> const& x) const
{
return value;
}
template <class F>
reference operator[](lazy_default<key_type,F> const& x) const
{
return value;
}
template <class KW, class Default>
Default& operator[](default_<KW,Default> const& x) const
{
return x.value;
}
template <class KW, class F>
typename result_of0<F>::type operator[](lazy_default<KW,F> const& x) const
{
return x.compute_default();
}
template <class ParameterRequirements>
static typename ParameterRequirements::has_default
satisfies(ParameterRequirements*);
template <class HasDefault, class Predicate>
static typename mpl::apply1<Predicate, value_type>::type
satisfies(
parameter_requirements<key_type,Predicate,HasDefault>*
);
# endif
reference value;
# if BOOST_WORKAROUND(BOOST_MSVC, BOOST_TESTED_AT(1310))
// warning suppression
private:
void operator=(tagged_argument const&);
public:
# endif
// MPL sequence support
typedef tagged_argument type; // Convenience for users
typedef empty_arg_list tail_type; // For the benefit of iterators
typedef arg_list_tag tag; // For dispatching to sequence intrinsics
};
// Defines a metafunction, is_tagged_argument, that identifies
// tagged_argument specializations and their derived classes.
template <class T>
struct is_tagged_argument_aux
: is_convertible<T*,tagged_argument_base const*>
{};
template <class T>
struct is_tagged_argument
: mpl::and_<
mpl::not_<is_reference<T> >
, is_tagged_argument_aux<T>
>
{};
}}} // namespace boost::parameter::aux
#endif // BOOST_PARAMETER_TAGGED_ARGUMENT_050328_HPP

47
include/boost/parameter/aux_/template_keyword.hpp
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@@ -1,47 +0,0 @@
// 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_TEMPLATE_KEYWORD_060203_HPP
# define BOOST_PARAMETER_TEMPLATE_KEYWORD_060203_HPP
# include <boost/mpl/and.hpp>
# include <boost/mpl/not.hpp>
# include <boost/type_traits/is_convertible.hpp>
# include <boost/type_traits/is_reference.hpp>
namespace boost { namespace parameter {
namespace aux
{
struct template_keyword_tag {};
template <class T, class U>
struct is_pointer_convertible
: is_convertible<T*, U*>
{};
template <class T>
struct is_template_keyword
: mpl::and_<
mpl::not_<is_reference<T> >
, is_pointer_convertible<T, template_keyword_tag>
>
{};
} // namespace aux
template <class Tag, class T>
struct template_keyword
: aux::template_keyword_tag
{
typedef Tag key_type;
typedef T value_type;
typedef value_type reference;
};
}} // namespace boost::parameter
#endif // BOOST_PARAMETER_TEMPLATE_KEYWORD_060203_HPP

97
include/boost/parameter/aux_/unwrap_cv_reference.hpp
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@@ -1,97 +0,0 @@
// Copyright Daniel Wallin, David Abrahams 2005. 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 UNWRAP_CV_REFERENCE_050328_HPP
#define UNWRAP_CV_REFERENCE_050328_HPP
#include <boost/parameter/aux_/yesno.hpp>
#include <boost/mpl/bool.hpp>
#include <boost/mpl/identity.hpp>
#include <boost/mpl/eval_if.hpp>
namespace boost { template<class T> class reference_wrapper; }
namespace boost { namespace parameter { namespace aux {
//
// reference_wrapper support -- because of the forwarding problem,
// when passing arguments positionally by non-const reference, we
// ask users of named parameter interfaces to use ref(x) to wrap
// them.
//
// is_cv_reference_wrapper returns mpl::true_ if T is of type
// reference_wrapper<U> cv
template <class U>
yes_tag is_cv_reference_wrapper_check(reference_wrapper<U> const volatile*);
no_tag is_cv_reference_wrapper_check(...);
template <class T>
struct is_cv_reference_wrapper
{
BOOST_STATIC_CONSTANT(
bool, value = (
sizeof(is_cv_reference_wrapper_check((T*)0)) == sizeof(yes_tag)
)
);
typedef mpl::bool_<
#if BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x564))
is_cv_reference_wrapper::
#endif
value> type;
};
#if BOOST_WORKAROUND(MSVC, == 1200)
template <>
struct is_cv_reference_wrapper<int>
: mpl::false_ {};
#endif
// Needed for unwrap_cv_reference below. T might be const, so
// eval_if might fail because of deriving from T const on EDG.
template <class T>
struct get_type
{
typedef typename T::type type;
};
#if BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x564))
template <class T, class is_reference_wrapper = typename is_cv_reference_wrapper<T>::type>
struct unwrap_cv_reference
{
typedef T type;
};
template <class T>
struct unwrap_cv_reference<T const, mpl::false_>
{
typedef T const type;
};
template <class T>
struct unwrap_cv_reference<T, mpl::true_>
: T
{};
#else
// Produces the unwrapped type to hold a reference to in named<>
// Can't use boost::unwrap_reference<> here because it
// doesn't handle the case where T = reference_wrapper<U> cv
template <class T>
struct unwrap_cv_reference
{
typedef typename mpl::eval_if<
is_cv_reference_wrapper<T>
, get_type<T>
, mpl::identity<T>
>::type type;
};
#endif
}}} // namespace boost::parameter::aux
#endif // UNWRAP_CV_REFERENCE_050328_HPP

29
include/boost/parameter/aux_/void.hpp
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@@ -1,29 +0,0 @@
// Copyright Daniel Wallin, David Abrahams 2005. 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_VOID_050329_HPP
#define BOOST_PARAMETER_VOID_050329_HPP
namespace boost { namespace parameter {
// A placemarker for "no argument passed."
// MAINTAINER NOTE: Do not make this into a metafunction
struct void_ {};
namespace aux
{
inline void_& void_reference()
{
static void_ instance;
return instance;
}
} // namespace aux
}} // namespace boost::parameter
#endif // BOOST_PARAMETER_VOID_050329_HPP

26
include/boost/parameter/aux_/yesno.hpp
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@@ -1,26 +0,0 @@
// Copyright Daniel Wallin, David Abrahams 2005. 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 YESNO_050328_HPP
#define YESNO_050328_HPP
#include <boost/mpl/bool.hpp>
namespace boost { namespace parameter { namespace aux {
// types used with the "sizeof trick" to capture the results of
// overload resolution at compile-time.
typedef char yes_tag;
typedef char (&no_tag)[2];
// mpl::true_ and mpl::false_ are not distinguishable by sizeof(),
// so we pass them through these functions to get a type that is.
yes_tag to_yesno(mpl::true_);
no_tag to_yesno(mpl::false_);
}}} // namespace boost::parameter::aux
#endif // YESNO_050328_HPP

67
include/boost/parameter/binding.hpp
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@@ -1,67 +0,0 @@
// Copyright David Abrahams 2005. 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_BINDING_DWA200558_HPP
# define BOOST_PARAMETER_BINDING_DWA200558_HPP
# include <boost/mpl/apply.hpp>
# include <boost/mpl/assert.hpp>
# include <boost/mpl/and.hpp>
# include <boost/parameter/aux_/result_of0.hpp>
# include <boost/parameter/aux_/void.hpp>
# include <boost/type_traits/is_same.hpp>
namespace boost { namespace parameter {
// A metafunction that, given an argument pack, returns the type of
// the parameter identified by the given keyword. If no such
// parameter has been specified, returns Default
template <class Parameters, class Keyword, class Default = void_>
# if !BOOST_WORKAROUND(BOOST_MSVC, < 1300)
struct binding
# else
struct binding_eti
# endif
{
typedef typename mpl::apply_wrap2<
typename Parameters::binding,Keyword,Default
>::type type;
BOOST_MPL_ASSERT_NOT((
mpl::and_<
is_same<Default, void_>
, is_same<type, void_>
>
));
};
# if BOOST_WORKAROUND(BOOST_MSVC, < 1300)
template <class Parameters, class Keyword, class Default = void_>
struct binding
{
typedef typename mpl::eval_if<
is_same<Parameters, int>
, mpl::identity<int>
, binding_eti<Parameters, Keyword, Default>
>::type type;
};
# endif
// A metafunction that, given an argument pack, returns the type of
// the parameter identified by the given keyword. If no such
// parameter has been specified, returns the type returned by invoking
// DefaultFn
template <class Parameters, class Keyword, class DefaultFn>
struct lazy_binding
{
typedef typename mpl::apply_wrap2<
typename Parameters::binding
, Keyword
, typename aux::result_of0<DefaultFn>::type
>::type type;
};
}} // namespace boost::parameter
#endif // BOOST_PARAMETER_BINDING_DWA200558_HPP

14
include/boost/parameter/config.hpp
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@@ -1,14 +0,0 @@
// Copyright Daniel Wallin, David Abrahams 2005. 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_CONFIG_050403_HPP
#define BOOST_PARAMETER_CONFIG_050403_HPP
#ifndef BOOST_PARAMETER_MAX_ARITY
# define BOOST_PARAMETER_MAX_ARITY 5
#endif
#endif // BOOST_PARAMETER_CONFIG_050403_HPP

148
include/boost/parameter/keyword.hpp
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@@ -1,148 +0,0 @@
// Copyright Daniel Wallin, David Abrahams 2005. 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 KEYWORD_050328_HPP
#define KEYWORD_050328_HPP
#include <boost/parameter/aux_/unwrap_cv_reference.hpp>
#include <boost/parameter/aux_/tag.hpp>
#include <boost/parameter/aux_/default.hpp>
namespace boost { namespace parameter {
// Instances of unique specializations of keyword<...> serve to
// associate arguments with parameter names. For example:
//
// struct rate_; // parameter names
// struct skew_;
// namespace
// {
// keyword<rate_> rate; // keywords
// keyword<skew_> skew;
// }
//
// ...
//
// f(rate = 1, skew = 2.4);
//
template <class Tag>
struct keyword
{
template <class T>
typename aux::tag<Tag, T>::type const
operator=(T& x) const
{
typedef typename aux::tag<Tag, T>::type result;
return result(x);
}
template <class Default>
aux::default_<Tag, Default>
operator|(Default& default_) const
{
return aux::default_<Tag, Default>(default_);
}
template <class Default>
aux::lazy_default<Tag, Default>
operator||(Default& default_) const
{
return aux::lazy_default<Tag, Default>(default_);
}
#if !BOOST_WORKAROUND(BOOST_MSVC, < 1300) // avoid partial ordering bugs
template <class T>
typename aux::tag<Tag, T const>::type const
operator=(T const& x) const
{
typedef typename aux::tag<Tag, T const>::type result;
return result(x);
}
#endif
#if !BOOST_WORKAROUND(BOOST_MSVC, < 1300) // avoid partial ordering bugs
template <class Default>
aux::default_<Tag, const Default>
operator|(const Default& default_) const
#if BOOST_WORKAROUND(BOOST_MSVC, == 1300)
volatile
#endif
{
return aux::default_<Tag, const Default>(default_);
}
template <class Default>
aux::lazy_default<Tag, Default>
operator||(Default const& default_) const
#if BOOST_WORKAROUND(BOOST_MSVC, == 1300)
volatile
#endif
{
return aux::lazy_default<Tag, Default>(default_);
}
#endif
public: // Insurance against ODR violations
// People will need to define these keywords in header files. To
// prevent ODR violations, it's important that the keyword used in
// every instantiation of a function template is the same object.
// We provide a reference to a common instance of each keyword
// object and prevent construction by users.
static keyword<Tag>& get()
{
static keyword<Tag> result;
return result;
}
};
// Reduces boilerplate required to declare and initialize keywords
// without violating ODR. Declares a keyword tag type with the given
// name in namespace tag_namespace, and declares and initializes a
// reference in an anonymous namespace to a singleton instance of that
// type.
#if BOOST_WORKAROUND(BOOST_MSVC, < 1300)
# define BOOST_PARAMETER_KEYWORD(tag_namespace,name) \
namespace tag_namespace \
{ \
struct name \
{ \
static char const* keyword_name() \
{ \
return #name; \
} \
}; \
} \
static ::boost::parameter::keyword<tag_namespace::name>& name \
= ::boost::parameter::keyword<tag_namespace::name>::get();
#else
#define BOOST_PARAMETER_KEYWORD(tag_namespace,name) \
namespace tag_namespace \
{ \
struct name \
{ \
static char const* keyword_name() \
{ \
return #name; \
} \
}; \
} \
namespace \
{ \
::boost::parameter::keyword<tag_namespace::name>& name \
= ::boost::parameter::keyword<tag_namespace::name>::get(); \
}
#endif
}} // namespace boost::parameter
#endif // KEYWORD_050328_HPP

98
include/boost/parameter/macros.hpp
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@@ -1,98 +0,0 @@
// Copyright David Abrahams, Daniel Wallin 2003. 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_MACROS_050412_HPP
#define BOOST_PARAMETER_MACROS_050412_HPP
#include <boost/preprocessor/tuple/elem.hpp>
#include <boost/preprocessor/repetition/repeat_from_to.hpp>
#include <boost/preprocessor/arithmetic/inc.hpp>
#include <boost/preprocessor/logical/bool.hpp>
#include <boost/preprocessor/punctuation/comma_if.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/cat.hpp>
#define BOOST_PARAMETER_FUN_TEMPLATE_HEAD1(n) \
template<BOOST_PP_ENUM_PARAMS(n, class T)>
#define BOOST_PARAMETER_FUN_TEMPLATE_HEAD0(n)
#ifndef BOOST_NO_SFINAE
# define BOOST_PARAMETER_MATCH_TYPE(n, param) \
BOOST_PP_EXPR_IF(n, typename) param::match \
< \
BOOST_PP_ENUM_PARAMS(n, T) \
>::type
#else
# define BOOST_PARAMETER_MATCH_TYPE(n, param) param
#endif
#define BOOST_PARAMETER_FUN_DECL(z, n, params) \
\
BOOST_PP_CAT(BOOST_PARAMETER_FUN_TEMPLATE_HEAD, BOOST_PP_BOOL(n))(n) \
\
BOOST_PP_TUPLE_ELEM(3, 0, params) \
BOOST_PP_TUPLE_ELEM(3, 1, params)( \
BOOST_PP_ENUM_BINARY_PARAMS(n, T, const& p) \
BOOST_PP_COMMA_IF(n) \
BOOST_PARAMETER_MATCH_TYPE(n,BOOST_PP_TUPLE_ELEM(3, 2, params)) \
kw = BOOST_PP_TUPLE_ELEM(3, 2, params)() \
) \
{ \
return BOOST_PP_CAT(BOOST_PP_TUPLE_ELEM(3, 1, params), _with_named_params)( \
kw(BOOST_PP_ENUM_PARAMS(n, p)) \
); \
}
// Generates:
//
// template<class Params>
// ret name ## _with_named_params(Params const&);
//
// template<class T0>
// ret name(T0 const& p0, typename parameters::match<T0>::type kw = parameters())
// {
// return name ## _with_named_params(kw(p0));
// }
//
// template<class T0, ..., class TN>
// ret name(T0 const& p0, ..., TN const& PN
// , typename parameters::match<T0, ..., TN>::type kw = parameters())
// {
// return name ## _with_named_params(kw(p0, ..., pN));
// }
//
// template<class Params>
// ret name ## _with_named_params(Params const&)
//
// lo and hi determines the min and max arity of the generated functions.
#define BOOST_PARAMETER_FUN(ret, name, lo, hi, parameters) \
\
template<class Params> \
ret BOOST_PP_CAT(name, _with_named_params)(Params const& p); \
\
BOOST_PP_REPEAT_FROM_TO( \
lo, BOOST_PP_INC(hi), BOOST_PARAMETER_FUN_DECL, (ret, name, parameters)) \
\
template<class Params> \
ret BOOST_PP_CAT(name, _with_named_params)(Params const& p)
#define BOOST_PARAMETER_MEMFUN(ret, name, lo, hi, parameters) \
\
BOOST_PP_REPEAT_FROM_TO( \
lo, BOOST_PP_INC(hi), BOOST_PARAMETER_FUN_DECL, (ret, name, parameters)) \
\
template<class Params> \
ret BOOST_PP_CAT(name, _with_named_params)(Params const& p)
#endif // BOOST_PARAMETER_MACROS_050412_HPP

55
include/boost/parameter/match.hpp
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@@ -1,55 +0,0 @@
// Copyright David Abrahams 2005. 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_MATCH_DWA2005714_HPP
# define BOOST_PARAMETER_MATCH_DWA2005714_HPP
# include <boost/detail/workaround.hpp>
# include <boost/preprocessor/seq/enum.hpp>
# if BOOST_WORKAROUND(__MWERKS__, <= 0x3003)
// Temporary version of BOOST_PP_SEQ_ENUM until Paul M. integrates the workaround.
# define BOOST_PARAMETER_SEQ_ENUM_I(size,seq) BOOST_PP_CAT(BOOST_PP_SEQ_ENUM_, size) seq
# define BOOST_PARAMETER_SEQ_ENUM(seq) BOOST_PARAMETER_SEQ_ENUM_I(BOOST_PP_SEQ_SIZE(seq), seq)
# else
# define BOOST_PARAMETER_SEQ_ENUM(seq) BOOST_PP_SEQ_ENUM(seq)
# endif
# if BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x564))
# include <boost/parameter/config.hpp>
# include <boost/parameter/aux_/void.hpp>
# include <boost/preprocessor/arithmetic/sub.hpp>
# include <boost/preprocessor/facilities/intercept.hpp>
# include <boost/preprocessor/repetition/enum_trailing_params.hpp>
# define BOOST_PARAMETER_MATCH_DEFAULTS(ArgTypes) \
BOOST_PP_ENUM_TRAILING_PARAMS( \
BOOST_PP_SUB( \
BOOST_PARAMETER_MAX_ARITY \
, BOOST_PP_SEQ_SIZE(ArgTypes) \
) \
, ::boost::parameter::void_ BOOST_PP_INTERCEPT \
)
# else
# define BOOST_PARAMETER_MATCH_DEFAULTS(ArgTypes)
# endif
//
// Generates, e.g.
//
// typename dfs_params::match<A1,A2>::type name = dfs_params()
//
// with workarounds for Borland compatibility.
//
# define BOOST_PARAMETER_MATCH(ParameterSpec, ArgTypes, name) \
typename ParameterSpec ::match< \
BOOST_PARAMETER_SEQ_ENUM(ArgTypes) \
BOOST_PARAMETER_MATCH_DEFAULTS(ArgTypes) \
>::type name = ParameterSpec ()
#endif // BOOST_PARAMETER_MATCH_DWA2005714_HPP

87
include/boost/parameter/name.hpp
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@@ -1,87 +0,0 @@
// 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_NAME_060806_HPP
# define BOOST_PARAMETER_NAME_060806_HPP
# include <boost/parameter/keyword.hpp>
# include <boost/detail/workaround.hpp>
# include <boost/preprocessor/cat.hpp>
# include <boost/preprocessor/stringize.hpp>
# include <boost/preprocessor/control/iif.hpp>
# include <boost/preprocessor/tuple/eat.hpp>
# include <boost/preprocessor/tuple/elem.hpp>
# include <boost/preprocessor/detail/is_binary.hpp>
# if BOOST_WORKAROUND(BOOST_MSVC, < 1300)
# define BOOST_PARAMETER_NAME_OBJECT(tag, name) \
static ::boost::parameter::keyword<tag>& name \
= ::boost::parameter::keyword<tag>::get();
# else
# define BOOST_PARAMETER_NAME_OBJECT(tag, name) \
namespace \
{ \
::boost::parameter::keyword<tag>& name \
= ::boost::parameter::keyword<tag>::get(); \
}
# endif
# define BOOST_PARAMETER_BASIC_NAME(tag_namespace, tag, name) \
namespace tag_namespace \
{ \
struct tag \
{ \
static char const* keyword_name() \
{ \
return BOOST_PP_STRINGIZE(tag); \
} \
}; \
} \
BOOST_PARAMETER_NAME_OBJECT(tag_namespace::tag, name)
# define BOOST_PARAMETER_COMPLEX_NAME_TUPLE1(tag,namespace) \
(tag, namespace), ~
# define BOOST_PARAMETER_COMPLEX_NAME_TUPLE(name) \
BOOST_PP_TUPLE_ELEM(2, 0, (BOOST_PARAMETER_COMPLEX_NAME_TUPLE1 name))
# define BOOST_PARAMETER_COMPLEX_NAME_TAG(name) \
BOOST_PP_TUPLE_ELEM(2, 0, BOOST_PARAMETER_COMPLEX_NAME_TUPLE(name))
# define BOOST_PARAMETER_COMPLEX_NAME_NAMESPACE(name) \
BOOST_PP_TUPLE_ELEM(2, 1, BOOST_PARAMETER_COMPLEX_NAME_TUPLE(name))
# define BOOST_PARAMETER_COMPLEX_NAME(name) \
BOOST_PARAMETER_BASIC_NAME( \
BOOST_PARAMETER_COMPLEX_NAME_NAMESPACE(name) \
, BOOST_PP_TUPLE_EAT(2) name \
, BOOST_PARAMETER_COMPLEX_NAME_TAG(name) \
) \
/**/
# define BOOST_PARAMETER_SIMPLE_NAME(name) \
BOOST_PARAMETER_BASIC_NAME(tag, name, BOOST_PP_CAT(_, name))
# define BOOST_PARAMETER_NAME(name) \
BOOST_PP_IIF( \
BOOST_PP_IS_BINARY(name) \
, BOOST_PARAMETER_COMPLEX_NAME \
, BOOST_PARAMETER_SIMPLE_NAME \
)(name) \
/**/
# define BOOST_PARAMETER_TEMPLATE_KEYWORD(name) \
namespace tag \
{ \
struct name; \
} \
template <class T> \
struct name \
: boost::parameter::template_keyword<tag::name, T> \
{}; \
/**/
#endif // BOOST_PARAMETER_NAME_060806_HPP

654
include/boost/parameter/parameters.hpp
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@@ -1,654 +0,0 @@
// Copyright David Abrahams, Daniel Wallin 2003. 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_PARAMETERS_031014_HPP
#define BOOST_PARAMETERS_031014_HPP
#include <boost/detail/is_xxx.hpp>
#include <boost/mpl/lambda.hpp>
#include <boost/mpl/apply.hpp>
#include <boost/mpl/always.hpp>
#include <boost/mpl/and.hpp>
#include <boost/mpl/or.hpp>
#include <boost/mpl/if.hpp>
#include <boost/mpl/identity.hpp>
#include <boost/mpl/not.hpp>
#include <boost/mpl/eval_if.hpp>
#include <boost/mpl/pair.hpp>
#include <boost/type_traits/is_same.hpp>
#include <boost/type_traits/remove_reference.hpp>
#include <boost/preprocessor/repetition/enum.hpp>
#include <boost/preprocessor/repetition/enum_params.hpp>
#include <boost/preprocessor/repetition/enum_trailing_params.hpp>
#include <boost/preprocessor/arithmetic/sub.hpp>
#include <boost/preprocessor/repetition/repeat.hpp>
#include <boost/preprocessor/repetition/enum_shifted.hpp>
#include <boost/preprocessor/repetition/enum_binary_params.hpp>
#include <boost/preprocessor/repetition/enum_shifted_params.hpp>
#include <boost/preprocessor/seq/elem.hpp>
#include <boost/preprocessor/iteration/iterate.hpp>
#include <boost/preprocessor/facilities/intercept.hpp>
#include <boost/preprocessor/cat.hpp>
#include <boost/parameter/aux_/arg_list.hpp>
#include <boost/parameter/aux_/yesno.hpp>
#include <boost/parameter/aux_/void.hpp>
#include <boost/parameter/aux_/default.hpp>
#include <boost/parameter/aux_/unwrap_cv_reference.hpp>
#include <boost/parameter/aux_/tagged_argument.hpp>
#include <boost/parameter/aux_/tag.hpp>
#include <boost/parameter/aux_/template_keyword.hpp>
#include <boost/parameter/config.hpp>
namespace boost {
template<class T> class reference_wrapper;
namespace parameter {
namespace aux { struct use_default {}; }
// These templates can be used to describe the treatment of particular
// named parameters for the purposes of overload elimination with
// SFINAE, by placing specializations in the parameters<...> list. In
// order for a treated function to participate in overload resolution:
//
// - all keyword tags wrapped in required<...> must have a matching
// actual argument
//
// - The actual argument type matched by every keyword tag
// associated with a predicate must satisfy that predicate
//
// If a keyword k is specified without an optional<...> or
// required<...>, wrapper, it is treated as though optional<k> were
// specified.
//
// If a keyword k is specified with unnamed<...>, that keyword
// will be automatically deduced from the argument list.
//
template <class Tag, class Predicate = aux::use_default>
struct required
{
typedef Tag key_type;
typedef Predicate predicate;
};
template <class Tag, class Predicate = aux::use_default>
struct optional
{
typedef Tag key_type;
typedef Predicate predicate;
};
template <class Tag, class Predicate>
struct unnamed
{
typedef Tag key_type;
typedef Predicate predicate;
};
namespace aux
{
// Defines metafunctions, is_required and is_optional, that
// identify required<...>, optional<...> and unnamed<...> specializations.
BOOST_DETAIL_IS_XXX_DEF(required, required, 2)
BOOST_DETAIL_IS_XXX_DEF(optional, optional, 2)
BOOST_DETAIL_IS_XXX_DEF(unnamed, unnamed, 2)
//
// key_type, has_default, and predicate --
//
// These metafunctions accept a ParameterSpec and extract the
// keyword tag, whether or not a default is supplied for the
// parameter, and the predicate that the corresponding actual
// argument type is required match.
//
// a ParameterSpec is a specialization of either keyword<...>,
// required<...>, optional<...> or unnamed<...>
//
// helper for key_type<...>, below.
template <class T>
struct get_key_type
{ typedef typename T::key_type type; };
template <class T>
struct key_type
: mpl::eval_if<
mpl::or_<
is_optional<T>
, is_required<T>
, is_unnamed<T>
>
, get_key_type<T>
, mpl::identity<T>
>
{
};
template <class T>
struct has_default
: mpl::not_<is_required<T> >
{};
// helper for get_predicate<...>, below
template <class T>
struct get_predicate_or_default
{
typedef T type;
};
template <>
struct get_predicate_or_default<use_default>
{
typedef mpl::always<mpl::true_> type;
};
// helper for predicate<...>, below
template <class T>
struct get_predicate
{
typedef typename
get_predicate_or_default<typename T::predicate>::type
type;
};
template <class T>
struct predicate
: mpl::eval_if<
mpl::or_<
is_optional<T>
, is_required<T>
, is_unnamed<T>
>
, get_predicate<T>
, mpl::identity<mpl::always<mpl::true_> >
>
{
};
// Converts a ParameterSpec into a specialization of
// parameter_requirements. We need to do this in order to get the
// key_type into the type in a way that can be conveniently matched
// by a satisfies(...) member function in arg_list.
template <class ParameterSpec>
struct as_parameter_requirements
{
typedef parameter_requirements<
typename key_type<ParameterSpec>::type
, typename predicate<ParameterSpec>::type
, typename has_default<ParameterSpec>::type
> type;
};
template <class T>
struct is_named_argument
: mpl::or_<
is_template_keyword<T>
, is_tagged_argument<T>
>
{};
// Labels Arg with default keyword tag DefaultTag if it is not
// already a tagged_argument. If an unnamed spec that matches
// Arg exists in UnnamedList, labels Arg with that spec's
// keyword tag.
template <class Positional, class Arg, class UnnamedList, class TagFn>
struct as_tagged_argument
: mpl::eval_if<
is_named_argument<Arg>
, mpl::identity<mpl::pair<Arg, UnnamedList> >
, mpl::apply_wrap3<UnnamedList, Arg, Positional, TagFn>
>
{};
#if BOOST_WORKAROUND(BOOST_MSVC, < 1300) // ETI workaround
template <>
struct as_tagged_argument<int,int,int,int>
{
typedef int type;
};
#endif
// Returns mpl::true_ iff the given ParameterRequirements are
// satisfied by ArgList.
template <class ArgList, class ParameterRequirements>
struct satisfies
{
#if BOOST_WORKAROUND(BOOST_MSVC, == 1310)
// VC7.1 can't handle the sizeof() implementation below,
// so we use this instead.
typedef typename mpl::apply_wrap2<
typename ArgList::binding
, typename ParameterRequirements::keyword
, void_
>::type bound;
typedef typename mpl::eval_if<
is_same<bound, void_>
, typename ParameterRequirements::has_default
, mpl::apply1<
typename ParameterRequirements::predicate
, typename remove_reference<bound>::type
>
>::type type;
#else
BOOST_STATIC_CONSTANT(
bool, value = (
sizeof(
aux::to_yesno(
ArgList::satisfies((ParameterRequirements*)0)
)
) == sizeof(yes_tag)
)
);
typedef mpl::bool_<satisfies::value> type;
#endif
};
// Returns mpl::true_ if the requirements of the given ParameterSpec
// are satisfied by ArgList.
template <class ArgList, class ParameterSpec>
struct satisfies_requirements_of
: satisfies<
ArgList
, typename as_parameter_requirements<ParameterSpec>::type
>
{};
// Helper for make_partial_arg_list, below. Produce an arg_list
// node for the given ParameterSpec and ArgumentType, whose tail is
// determined by invoking the nullary metafunction TailFn.
template <class ParameterSpec, class ArgumentType, class TagFn, class TailFn>
struct make_arg_list
{
template <class UnnamedList>
struct apply
{
typedef typename as_tagged_argument<
ParameterSpec,ArgumentType,UnnamedList,TagFn
>::type tagged_result;
typedef arg_list<
typename mpl::first<tagged_result>::type
, typename mpl::apply_wrap1<
TailFn, typename mpl::second<tagged_result>::type
>::type
> type;
};
};
// Just like make_arg_list, except if ArgumentType is void_, the
// result is empty_arg_list. Used to build arg_lists whose length
// depends on the number of non-default (void_) arguments passed to
// a class template.
template <
class ParameterSpec
, class ArgumentType
, class TagFn
, class TailFn
>
struct make_partial_arg_list
{
template <class UnnamedList>
struct apply
{
typedef typename mpl::eval_if<
is_same<ArgumentType, void_>
, mpl::identity<empty_arg_list>
, mpl::apply_wrap1<
make_arg_list<ParameterSpec, ArgumentType, TagFn, TailFn>
, UnnamedList
>
>::type type;
};
};
// Generates:
//
// make<
// parameter_spec#0, argument_type#0
// , make<
// parameter_spec#1, argument_type#1
// , ... mpl::identity<aux::empty_arg_list>
// ...>
// >
#define BOOST_PARAMETER_make_arg_list(z, n, names) \
BOOST_PP_SEQ_ELEM(0,names)< \
BOOST_PP_CAT(BOOST_PP_SEQ_ELEM(1,names), n), \
BOOST_PP_CAT(BOOST_PP_SEQ_ELEM(2,names), n), \
BOOST_PP_SEQ_ELEM(3,names),
#define BOOST_PARAMETER_right_angle(z, n, text) >
#define BOOST_PARAMETER_build_arg_list(n, make, parameter_spec, argument_type, tag) \
BOOST_PP_REPEAT( \
n, BOOST_PARAMETER_make_arg_list, (make)(parameter_spec)(argument_type)(tag)) \
mpl::always<aux::empty_arg_list> \
BOOST_PP_REPEAT(n, BOOST_PARAMETER_right_angle, _)
// Terminates an unnamed_list (below).
struct empty_unnamed_list
{
template <class Arg, class Positional, class TagFn>
struct apply
{
// No unnamed predicate matched Arg, so we tag Arg with
// the DefaultTag.
BOOST_MPL_ASSERT_NOT((is_unnamed<Positional>));
typedef mpl::pair<
typename mpl::apply_wrap2<
TagFn
, typename key_type<Positional>::type
, Arg
>::type
, empty_unnamed_list
> type;
};
};
// Used by as_tagged_argument to match a given
// argument with a list of unnamed specs.
//
// ParameterSpec is an unnamed spec.
// Tail is either another unnamed_list specialization,
// or empty_unnamed_list.
template <class ParameterSpec, class Tail>
struct unnamed_list
{
// Helper metafunction for apply below. Computes the result
// of Tail::apply. Returns a pair consisting of:
//
// * the tagged argument
// * the unnamed_list that is left after the tagging. Possibly
// with one element removed.
template <class Arg, class Positional, class TagFn>
struct eval_tail
{
typedef typename mpl::apply_wrap3<
Tail, Arg, Positional, TagFn
>::type result;
typedef mpl::pair<
typename mpl::first<result>::type
, unnamed_list<ParameterSpec, typename mpl::second<result>::type>
> type;
};
// If this keyword's predicate returns true for
// the given argument type, tag the argument with
// ParameterSpec::key_type. Otherwise try the tail.
template <class Arg, class Positional, class TagFn>
struct apply
{
typedef typename mpl::eval_if<
typename mpl::apply1<typename ParameterSpec::predicate, Arg>::type
, mpl::pair<
typename mpl::apply_wrap2<
TagFn, typename ParameterSpec::key_type, Arg
>::type
, Tail
>
,
#if BOOST_WORKAROUND(__GNUC__, < 3)
typename unnamed_list<ParameterSpec, Tail>::template
#endif
eval_tail<Arg, Positional, TagFn>
>::type type;
};
};
// We need to build a list of all ParameterSpec's that specify an
// unnamed argument. This list is used when trying to match an
// argument to an unnamed keyword.
template <class ParameterSpec, class TailFn>
struct make_unnamed_list
{
typedef unnamed_list<
ParameterSpec
, typename TailFn::type
> type;
};
template <class ParameterSpec, class TailFn>
struct make_partial_unnamed_list
: mpl::eval_if<
is_same<ParameterSpec, void_>
, mpl::identity<empty_unnamed_list>
, mpl::eval_if<
is_unnamed<ParameterSpec>
, make_unnamed_list<ParameterSpec, TailFn>
, TailFn
>
>
{};
#define BOOST_PARAMETER_make_unnamed_list(z, n, names) \
BOOST_PP_SEQ_ELEM(0,names)< \
BOOST_PP_CAT(BOOST_PP_SEQ_ELEM(1,names), n),
#define BOOST_PARAMETER_build_unnamed_list(n, make, parameter_spec) \
BOOST_PP_REPEAT( \
n, BOOST_PARAMETER_make_unnamed_list, (make)(parameter_spec)) \
mpl::identity<aux::empty_unnamed_list> \
BOOST_PP_REPEAT(n, BOOST_PARAMETER_right_angle, _)
struct tag_keyword_arg
{
template <class K, class T>
struct apply
: tag<K,T>
{};
};
struct tag_template_keyword_arg
{
template <class K, class T>
struct apply
{
typedef template_keyword<K,T> type;
};
};
} // namespace aux
#define BOOST_PARAMETER_FORWARD_TYPEDEF(z, i, names) \
typedef BOOST_PP_CAT(BOOST_PP_SEQ_ELEM(0,names),i) BOOST_PP_CAT(BOOST_PP_SEQ_ELEM(1,names),i);
#define BOOST_PARAMETER_FORWARD_TYPEDEFS(n, src, dest) \
BOOST_PP_REPEAT(n, BOOST_PARAMETER_FORWARD_TYPEDEF, (src)(dest))
#define BOOST_PARAMETER_TEMPLATE_ARGS(z, n, text) class BOOST_PP_CAT(PS, n) = void_
template<
class PS0
, BOOST_PP_ENUM_SHIFTED(BOOST_PARAMETER_MAX_ARITY, BOOST_PARAMETER_TEMPLATE_ARGS, _)
>
struct parameters
{
#undef BOOST_PARAMETER_TEMPLATE_ARGS
typedef typename BOOST_PARAMETER_build_unnamed_list(
BOOST_PARAMETER_MAX_ARITY, aux::make_partial_unnamed_list, PS
)::type unnamed_list;
// if the elements of NamedList match the criteria of overload
// resolution, returns a type which can be constructed from
// parameters. Otherwise, this is not a valid metafunction (no nested
// ::type).
#ifndef BOOST_NO_SFINAE
// If NamedList satisfies the PS0, PS1, ..., this is a
// metafunction returning parameters. Otherwise it
// has no nested ::type.
template <class NamedList>
struct match_base
: mpl::if_<
// mpl::and_<
// aux::satisfies_requirements_of<NamedList,PS0>
// , mpl::and_<
// aux::satisfies_requirements_of<NamedList,PS1>...
// ..., mpl::true_
// ...> >
# define BOOST_PARAMETER_satisfies(z, n, text) \
mpl::and_< \
aux::satisfies_requirements_of<NamedList, BOOST_PP_CAT(PS, n)> ,
BOOST_PP_REPEAT(BOOST_PARAMETER_MAX_ARITY, BOOST_PARAMETER_satisfies, _)
mpl::true_
BOOST_PP_REPEAT(BOOST_PARAMETER_MAX_ARITY, BOOST_PARAMETER_right_angle, _)
# undef BOOST_PARAMETER_satisfies
, mpl::identity<parameters>
, void_
>
{};
#endif
// Specializations are to be used as an optional argument to
// eliminate overloads via SFINAE
template<
#if BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x564))
// Borland simply can't handle default arguments in member
// class templates. People wishing to write portable code can
// explicitly specify BOOST_PARAMETER_MAX_ARITY arguments
BOOST_PP_ENUM_PARAMS(BOOST_PARAMETER_MAX_ARITY, class A)
#else
BOOST_PP_ENUM_BINARY_PARAMS(
BOOST_PARAMETER_MAX_ARITY, class A, = void_ BOOST_PP_INTERCEPT
)
#endif
>
struct match
# ifndef BOOST_NO_SFINAE
: match_base<
typename mpl::apply_wrap1<BOOST_PARAMETER_build_arg_list(
BOOST_PARAMETER_MAX_ARITY, aux::make_partial_arg_list, PS, A
, aux::tag_keyword_arg
), unnamed_list>::type
>::type
{};
# else
{
typedef parameters<
BOOST_PP_ENUM_PARAMS(BOOST_PARAMETER_MAX_ARITY, PS)
> type;
};
# endif
// Metafunction that returns an ArgumentPack.
template <
#if BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x564))
// Borland simply can't handle default arguments in member
// class templates. People wishing to write portable code can
// explicitly specify BOOST_PARAMETER_MAX_ARITY arguments
BOOST_PP_ENUM_PARAMS(BOOST_PARAMETER_MAX_ARITY, class A)
#else
BOOST_PP_ENUM_BINARY_PARAMS(
BOOST_PARAMETER_MAX_ARITY, class A, = void_ BOOST_PP_INTERCEPT
)
#endif
>
struct bind
{
typedef typename mpl::apply_wrap1<BOOST_PARAMETER_build_arg_list(
BOOST_PARAMETER_MAX_ARITY, aux::make_partial_arg_list, PS, A
, aux::tag_template_keyword_arg
), unnamed_list>::type type;
};
BOOST_PARAMETER_FORWARD_TYPEDEFS(BOOST_PARAMETER_MAX_ARITY, PS, parameter_spec)
//
// The function call operator is used to build an arg_list that
// labels the positional parameters and maintains whatever other
// tags may have been specified by the caller.
//
aux::empty_arg_list operator()() const
{
return aux::empty_arg_list();
}
template<class A0>
typename mpl::apply_wrap1<
aux::make_arg_list<PS0,A0, aux::tag_keyword_arg, mpl::always<aux::empty_arg_list> >
, unnamed_list
>::type
operator()(A0& a0) const
{
typedef typename mpl::apply_wrap1<
aux::make_arg_list<PS0,A0,aux::tag_keyword_arg,mpl::always<aux::empty_arg_list> >
, unnamed_list
>::type result_type;
return result_type(
a0
// , void_(), void_(), void_() ...
BOOST_PP_ENUM_TRAILING_PARAMS(
BOOST_PP_SUB(BOOST_PARAMETER_MAX_ARITY, 1)
, aux::void_reference() BOOST_PP_INTERCEPT)
);
}
template<class A0, class A1>
typename mpl::apply_wrap1<
aux::make_arg_list<
PS0,A0,aux::tag_keyword_arg
, aux::make_arg_list<
PS1,A1,aux::tag_keyword_arg
, mpl::always<aux::empty_arg_list>
>
>
, unnamed_list
>::type
operator()(A0& a0, A1& a1) const
{
typedef typename mpl::apply_wrap1<
aux::make_arg_list<
PS0,A0,aux::tag_keyword_arg
, aux::make_arg_list<
PS1,A1,aux::tag_keyword_arg
, mpl::always<aux::empty_arg_list>
>
>
, unnamed_list
>::type result_type;
return result_type(
a0, a1
// , void_(), void_() ...
BOOST_PP_ENUM_TRAILING_PARAMS(
BOOST_PP_SUB(BOOST_PARAMETER_MAX_ARITY, 2)
, aux::void_reference() BOOST_PP_INTERCEPT)
);
}
// Higher arities are handled by the preprocessor
#define BOOST_PP_ITERATION_PARAMS_1 (3,( \
3,BOOST_PARAMETER_MAX_ARITY,<boost/parameter/aux_/overloads.hpp> \
))
#include BOOST_PP_ITERATE()
};
} // namespace parameter
} // namespace boost
#endif // BOOST_PARAMETERS_031014_HPP

930
include/boost/parameter/preprocessor.hpp
View File

@@ -1,930 +0,0 @@
// 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/control/if.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/seq/fold_left.hpp>
# include <boost/preprocessor/seq/size.hpp>
# include <boost/preprocessor/seq/enum.hpp>
# include <boost/preprocessor/detail/is_nullary.hpp>
# include <boost/mpl/always.hpp>
# include <boost/mpl/apply_wrap.hpp>
namespace boost { namespace parameter { namespace aux {
# ifndef BOOST_NO_SFINAE
// 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;
};
// A matching predicate is explicitly specified
template <class Predicate>
struct unwrap_predicate<void *(Predicate)>
{
typedef Predicate type;
};
// 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
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 mpl::apply_wrap1<
BOOST_PARAMETER_build_arg_list(
BOOST_PARAMETER_MAX_ARITY, aux::make_partial_arg_list
, typename Parameters::parameter_spec, A, aux::tag_keyword_arg
)
, typename Parameters::unnamed_list
>::type type;
};
# if 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
}}} // 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_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)>
/**/
# ifndef BOOST_NO_SFINAE
# define BOOST_PARAMETER_FUNCTION_FWD_MATCH_Z(z, name, parameters, n) \
, typename boost::parameter::aux::match< \
parameters, BOOST_PP_ENUM_PARAMS(n, ParameterArgumentType) \
>::type boost_parameter_enabler_argument = 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
# if !BOOST_WORKAROUND(BOOST_MSVC, <= 1300) && !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_PARAMETER_FN_ARG_QUALIFIER(elem)< \
tag_namespace::BOOST_PARAMETER_FUNCTION_KEYWORD( \
BOOST_PARAMETER_FN_ARG_KEYWORD(elem) \
) \
, typename boost::parameter::aux::unwrap_predicate< \
void BOOST_PARAMETER_FN_ARG_PRED(elem) \
>::type \
>
# else
# define BOOST_PARAMETER_FUNCTION_PARAMETERS_M(r,tag_namespace,i,elem) \
BOOST_PP_COMMA_IF(i) \
boost::parameter::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_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(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.
# if !BOOST_WORKAROUND(BOOST_MSVC, < 1300)
# define BOOST_PARAMETER_FUNCTION_DEFAULT_EVAL_DEFAULT(arg, tag_namespace) \
boost::parameter::keyword< \
tag_namespace::BOOST_PARAMETER_FN_ARG_KEYWORD(arg) \
>::get() | BOOST_PARAMETER_FN_ARG_DEFAULT(arg)
# else // For some reason, VC6 won't accept rvalues in this context.
# define BOOST_PARAMETER_FUNCTION_DEFAULT_EVAL_DEFAULT(arg, tag_namespace) \
boost::parameter::keyword< \
tag_namespace::BOOST_PARAMETER_FN_ARG_KEYWORD(arg) \
>::get() | boost::parameter::aux::as_lvalue(BOOST_PARAMETER_FN_ARG_DEFAULT(arg), 0L)
# endif
# 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) \
)
# define BOOST_PARAMETER_FUNCTION_DEFAULT_FUNCTION_BODY(name, n, split_args, tag_namespace) \
{ \
return BOOST_PARAMETER_FUNCTION_DEFAULT_NAME(name)( \
(ResultType(*)())0 \
, args \
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 \
) \
); \
}
// 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)
//
# define BOOST_PARAMETER_FUNCTION_DEFAULT_FUNCTION(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(4,1,data) \
) \
> \
BOOST_PARAMETER_MEMBER_FUNCTION_STATIC(BOOST_PP_TUPLE_ELEM(4,0,data)) \
ResultType BOOST_PARAMETER_FUNCTION_DEFAULT_NAME(BOOST_PP_TUPLE_ELEM(4,0,data))( \
ResultType(*)() \
, Args const& args \
BOOST_PARAMETER_FUNCTION_DEFAULT_ARGUMENTS( \
BOOST_PARAMETER_FUNCTION_DEFAULT_FUNCTION_ARG \
, n \
, BOOST_PP_TUPLE_ELEM(4,1,data) \
) \
) BOOST_PP_EXPR_IF(BOOST_PP_TUPLE_ELEM(4,2,data), const) \
BOOST_PP_IF( \
n \
, BOOST_PARAMETER_FUNCTION_DEFAULT_FUNCTION_BODY \
, ; BOOST_PP_TUPLE_EAT(4) \
)( \
BOOST_PP_TUPLE_ELEM(4,0,data) \
, n \
, BOOST_PP_TUPLE_ELEM(4,1,data) \
, BOOST_PP_TUPLE_ELEM(4,3,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)>::get() \
] \
, BOOST_PARAMETER_FN_ARG_PRED(arg) \
)
// 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 \
\
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( \
skip_fwd_decl \
, BOOST_PP_INC(BOOST_PP_TUPLE_ELEM(4, 2, split_args)) \
, BOOST_PARAMETER_FUNCTION_DEFAULT_FUNCTION \
, (name, split_args, const_, tag_namespace) \
) \
\
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 \
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) \
)
/**/
# if !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) \
) \
, (const ParameterArgumentType ## i)(ParameterArgumentType ## i) \
, (const ParameterArgumentType ## i) \
))
# 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

734
include/boost/parameter/python.hpp
View File

@@ -1,734 +0,0 @@
// 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_PYTHON_060209_HPP
# define BOOST_PARAMETER_PYTHON_060209_HPP
# include <boost/mpl/vector.hpp>
# include <boost/mpl/fold.hpp>
# include <boost/mpl/prior.hpp>
# include <boost/mpl/shift_right.hpp>
# include <boost/mpl/shift_left.hpp>
# include <boost/mpl/bitand.hpp>
# include <boost/mpl/pair.hpp>
# include <boost/mpl/size.hpp>
# include <boost/mpl/push_back.hpp>
# include <boost/mpl/or.hpp>
# include <boost/mpl/count_if.hpp>
# include <boost/mpl/transform.hpp>
# include <boost/mpl/front.hpp>
# include <boost/mpl/iterator_range.hpp>
# include <boost/mpl/next.hpp>
# include <boost/mpl/begin_end.hpp>
# include <boost/mpl/not.hpp>
# include <boost/mpl/empty.hpp>
# include <boost/python/def.hpp>
# include <boost/python/make_constructor.hpp>
# include <boost/python/to_python_converter.hpp>
# include <boost/parameter/aux_/maybe.hpp>
# include <boost/parameter/aux_/python/invoker.hpp>
namespace boost { namespace parameter { namespace python
{
namespace python_ = boost::python;
}}}
namespace boost { namespace parameter { namespace python { namespace aux
{
inline PyObject* unspecified_type()
{
static PyTypeObject unspecified = {
PyObject_HEAD_INIT(NULL)
0, /* ob_size */
"Boost.Parameter.Unspecified", /* tp_name */
PyType_Type.tp_basicsize, /* tp_basicsize */
0, /* tp_itemsize */
0, /* tp_dealloc */
0, /* tp_print */
0, /* tp_getattr */
0, /* tp_setattr */
0, /* tp_compare */
0, /* tp_repr */
0, /* tp_as_number */
0, /* tp_as_sequence */
0, /* tp_as_mapping */
0, /* tp_hash */
0, /* tp_call */
0, /* tp_str */
0, /* tp_getattro */
0, /* tp_setattro */
0, /* tp_as_buffer */
Py_TPFLAGS_DEFAULT, /* tp_flags */
0, /* tp_doc */
};
if (unspecified.ob_type == 0)
{
unspecified.ob_type = &PyType_Type;
PyType_Ready(&unspecified);
}
return (PyObject*)&unspecified;
}
struct empty_tag {};
struct empty_tag_to_python
{
static PyObject* convert(empty_tag)
{
return python_::xincref(unspecified_type());
}
};
}}}} // namespace boost::parameter::python::aux
namespace boost { namespace python
{
// Converts a Python value to a maybe<T>
template <class T>
struct arg_from_python<parameter::aux::maybe<T> >
: arg_from_python<T>
{
arg_from_python(PyObject* p)
: arg_from_python<T>(p)
, empty(parameter::python::aux::unspecified_type() == p)
{}
bool convertible() const
{
return empty || arg_from_python<T>::convertible();
}
parameter::aux::maybe<T> operator()()
{
if (empty)
{
return parameter::aux::maybe<T>();
}
else
{
return parameter::aux::maybe<T>(
arg_from_python<T>::operator()()
);
}
}
bool empty;
};
}} // namespace boost::python
namespace boost { namespace parameter { namespace python {
namespace aux
{
template <class K>
struct is_optional
: mpl::not_<
mpl::or_<typename K::required, typename K::optimized_default>
>
{};
template <class K, class Required, class Optimized, class T>
struct arg_spec
{
typedef K keyword;
typedef Required required;
typedef T type;
typedef Optimized optimized_default;
};
template <class K, class T, class Optimized = mpl::false_>
struct make_arg_spec_impl
{
typedef arg_spec<
typename K::first, typename K::second, Optimized, T
> type;
};
template <class K, class T>
struct make_arg_spec_impl<K, T, typename K::third>
{
typedef arg_spec<
typename K::first, typename K::second, typename K::third, T
> type;
};
template <class K, class T>
struct make_arg_spec
: make_arg_spec_impl<K, T>
{
};
template <class Spec, class State>
struct combinations_op
{
typedef typename State::second bits;
typedef typename State::first result0;
typedef typename mpl::if_<
mpl::or_<
typename Spec::required
, typename Spec::optimized_default
, mpl::bitand_<bits, mpl::long_<1> >
>
, typename mpl::push_back<result0, Spec>::type
, result0
>::type result;
typedef typename mpl::if_<
mpl::or_<
typename Spec::required
, typename Spec::optimized_default
>
, bits
, typename mpl::shift_right<bits, mpl::long_<1> >::type
>::type next_bits;
typedef mpl::pair<
result
, next_bits
> type;
};
// Used as start value in the recursive arg() composition below.
struct no_keywords
{
template <class T>
T const& operator,(T const& x) const
{
return x;
}
};
template <class Def, class F, class Iter, class End, class Keywords>
void def_combination_aux0(
Def def, F f, Iter, End, Keywords const& keywords, mpl::false_)
{
typedef typename mpl::deref<Iter>::type spec;
typedef typename spec::keyword kw;
def_combination_aux(
def, f, typename mpl::next<Iter>::type(), End()
, (
keywords, boost::python::arg(kw::keyword_name())
)
);
}
template <class Def, class F, class Iter, class End, class Keywords>
void def_combination_aux0(
Def def, F f, Iter, End, Keywords const& keywords, mpl::true_)
{
typedef typename mpl::deref<Iter>::type spec;
typedef typename spec::keyword kw;
def_combination_aux(
def, f, typename mpl::next<Iter>::type(), End()
, (
keywords, boost::python::arg(kw::keyword_name()) = empty_tag()
)
);
}
inline void initialize_converter()
{
static python_::to_python_converter<empty_tag, empty_tag_to_python> x;
}
template <class Def, class F, class Iter, class End, class Keywords>
void def_combination_aux(
Def def, F f, Iter, End, Keywords const& keywords)
{
typedef typename mpl::deref<Iter>::type spec;
typedef typename mpl::and_<
typename spec::optimized_default
, mpl::not_<typename spec::required>
>::type optimized_default;
def_combination_aux0(
def, f, Iter(), End(), keywords, optimized_default()
);
}
template <class Def, class F, class End, class Keywords>
void def_combination_aux(
Def def, F f, End, End, Keywords const& keywords)
{
def(f, keywords);
}
template <class Def, class F, class End>
void def_combination_aux(
Def def, F f, End, End, no_keywords const&)
{
def(f);
}
template <
class Def, class Specs, class Bits, class Invoker
>
void def_combination(
Def def, Specs*, Bits, Invoker*)
{
typedef typename mpl::fold<
Specs
, mpl::pair<mpl::vector0<>, Bits>
, combinations_op<mpl::_2, mpl::_1>
>::type combination0;
typedef typename combination0::first combination;
typedef typename mpl::apply_wrap1<
Invoker, combination
>::type invoker;
def_combination_aux(
def
, &invoker::execute
, typename mpl::begin<combination>::type()
, typename mpl::end<combination>::type()
, no_keywords()
);
}
template <
class Def, class Specs, class Bits, class End, class Invoker
>
void def_combinations(
Def def, Specs*, Bits, End, Invoker*)
{
initialize_converter();
def_combination(def, (Specs*)0, Bits(), (Invoker*)0);
def_combinations(
def
, (Specs*)0
, mpl::long_<Bits::value + 1>()
, End()
, (Invoker*)0
);
}
template <
class Def, class Specs, class End, class Invoker
>
void def_combinations(
Def, Specs*, End, End, Invoker*)
{}
struct not_specified {};
template <class CallPolicies>
struct call_policies_as_options
{
call_policies_as_options(CallPolicies const& call_policies)
: call_policies(call_policies)
{}
CallPolicies const& policies() const
{
return call_policies;
}
char const* doc() const
{
return 0;
}
CallPolicies call_policies;
};
template <class Class, class Options = not_specified>
struct def_class
{
def_class(Class& cl, char const* name, Options options = Options())
: cl(cl)
, name(name)
, options(options)
{}
template <class F>
void def(F f, not_specified const*) const
{
cl.def(name, f);
}
template <class F>
void def(F f, void const*) const
{
cl.def(name, f, options.doc(), options.policies());
}
template <class F>
void operator()(F f) const
{
this->def(f, &options);
}
template <class F, class Keywords>
void def(F f, Keywords const& keywords, not_specified const*) const
{
cl.def(name, f, keywords);
}
template <class F, class Keywords>
void def(F f, Keywords const& keywords, void const*) const
{
cl.def(name, f, keywords, options.doc(), options.policies());
}
template <class F, class Keywords>
void operator()(F f, Keywords const& keywords) const
{
this->def(f, keywords, &options);
}
Class& cl;
char const* name;
Options options;
};
template <class Class, class CallPolicies = boost::python::default_call_policies>
struct def_init
{
def_init(Class& cl, CallPolicies call_policies = CallPolicies())
: cl(cl)
, call_policies(call_policies)
{}
template <class F>
void operator()(F f) const
{
cl.def(
"__init__"
, boost::python::make_constructor(f, call_policies)
);
}
template <class F, class Keywords>
void operator()(F f, Keywords const& keywords) const
{
cl.def(
"__init__"
, boost::python::make_constructor(f, call_policies, keywords)
);
}
Class& cl;
CallPolicies call_policies;
};
struct def_function
{
def_function(char const* name)
: name(name)
{}
template <class F>
void operator()(F f) const
{
boost::python::def(name, f);
}
template <class F, class Keywords>
void operator()(F f, Keywords const& keywords) const
{
boost::python::def(name, f, keywords);
}
char const* name;
};
} // namespace aux
template <class M, class Signature>
void def(char const* name, Signature)
{
typedef mpl::iterator_range<
typename mpl::next<
typename mpl::begin<Signature>::type
>::type
, typename mpl::end<Signature>::type
> arg_types;
typedef typename mpl::transform<
typename M::keywords
, arg_types
, aux::make_arg_spec<mpl::_1, mpl::_2>
, mpl::back_inserter<mpl::vector0<> >
>::type arg_specs;
typedef typename mpl::count_if<
arg_specs
, aux::is_optional<mpl::_1>
>::type optional_arity;
typedef typename mpl::front<Signature>::type result_type;
typedef typename mpl::shift_left<mpl::long_<1>, optional_arity>::type upper;
aux::def_combinations(
aux::def_function(name)
, (arg_specs*)0
, mpl::long_<0>()
, mpl::long_<upper::value>()
, (aux::make_invoker<M, result_type>*)0
);
}
template <class M, class Class, class Signature>
void def(Class& cl, char const* name, Signature)
{
typedef mpl::iterator_range<
typename mpl::next<
typename mpl::begin<Signature>::type
>::type
, typename mpl::end<Signature>::type
> arg_types;
typedef typename mpl::transform<
typename M::keywords
, arg_types
, aux::make_arg_spec<mpl::_1, mpl::_2>
, mpl::back_inserter<mpl::vector0<> >
>::type arg_specs;
typedef typename mpl::count_if<
arg_specs
, aux::is_optional<mpl::_1>
>::type optional_arity;
typedef typename mpl::front<Signature>::type result_type;
typedef typename mpl::shift_left<mpl::long_<1>, optional_arity>::type upper;
aux::def_combinations(
aux::def_class<Class>(cl, name)
, (arg_specs*)0
, mpl::long_<0>()
, mpl::long_<upper::value>()
, (aux::make_invoker<M, result_type>*)0
);
}
namespace aux
{
template <class K>
struct keyword
{
typedef K type;
};
template <class K>
struct keyword<K*>
{
typedef K type;
};
template <class K>
struct keyword<K**>
{
typedef K type;
};
template <class K>
struct required
{
typedef mpl::true_ type;
};
template <class K>
struct required<K*>
{
typedef mpl::false_ type;
};
template <class K>
struct optimized
{
typedef mpl::true_ type;
};
template <class K>
struct optimized<K**>
{
typedef mpl::false_ type;
};
template <class T>
struct make_kw_spec;
template <class K, class T>
struct make_kw_spec<K(T)>
{
typedef arg_spec<
typename keyword<K>::type
, typename required<K>::type
, typename optimized<K>::type
, T
> type;
};
} // namespace aux
template <class ParameterSpecs, class CallPolicies = boost::python::default_call_policies>
struct init
: boost::python::def_visitor<init<ParameterSpecs, CallPolicies> >
{
init(CallPolicies call_policies = CallPolicies())
: call_policies(call_policies)
{}
template <class CallPolicies1>
init<ParameterSpecs, CallPolicies1>
operator[](CallPolicies1 const& call_policies) const
{
return init<ParameterSpecs, CallPolicies1>(call_policies);
}
template <class Class>
void visit_aux(Class& cl, mpl::true_) const
{
cl.def(boost::python::init<>()[call_policies]);
}
template <class Class>
void visit_aux(Class& cl, mpl::false_) const
{
typedef typename mpl::transform<
ParameterSpecs
, aux::make_kw_spec<mpl::_>
, mpl::back_inserter<mpl::vector0<> >
>::type arg_specs;
typedef typename mpl::count_if<
arg_specs
, aux::is_optional<mpl::_>
>::type optional_arity;
typedef typename mpl::shift_left<mpl::long_<1>, optional_arity>::type upper;
aux::def_combinations(
aux::def_init<Class, CallPolicies>(cl, call_policies)
, (arg_specs*)0
, mpl::long_<0>()
, mpl::long_<upper::value>()
, (aux::make_init_invoker<typename Class::wrapped_type>*)0
);
}
template <class Class>
void visit(Class& cl) const
{
visit_aux(cl, mpl::empty<ParameterSpecs>());
}
CallPolicies call_policies;
};
template <class ParameterSpecs, class CallPolicies = boost::python::default_call_policies>
struct call
: boost::python::def_visitor<call<ParameterSpecs, CallPolicies> >
{
call(CallPolicies const& call_policies = CallPolicies())
: call_policies(call_policies)
{}
template <class CallPolicies1>
call<ParameterSpecs, CallPolicies1>
operator[](CallPolicies1 const& call_policies) const
{
return call<ParameterSpecs, CallPolicies1>(call_policies);
}
template <class Class>
void visit(Class& cl) const
{
typedef mpl::iterator_range<
typename mpl::next<
typename mpl::begin<ParameterSpecs>::type
>::type
, typename mpl::end<ParameterSpecs>::type
> arg_types;
typedef typename mpl::front<ParameterSpecs>::type result_type;
typedef typename mpl::transform<
arg_types
, aux::make_kw_spec<mpl::_>
, mpl::back_inserter<mpl::vector0<> >
>::type arg_specs;
typedef typename mpl::count_if<
arg_specs
, aux::is_optional<mpl::_>
>::type optional_arity;
typedef typename mpl::shift_left<mpl::long_<1>, optional_arity>::type upper;
typedef aux::call_policies_as_options<CallPolicies> options;
aux::def_combinations(
aux::def_class<Class, options>(cl, "__call__", options(call_policies))
, (arg_specs*)0
, mpl::long_<0>()
, mpl::long_<upper::value>()
, (aux::make_call_invoker<typename Class::wrapped_type, result_type>*)0
);
}
CallPolicies call_policies;
};
template <class Fwd, class ParameterSpecs>
struct function
: boost::python::def_visitor<function<Fwd, ParameterSpecs> >
{
template <class Class, class Options>
void visit(Class& cl, char const* name, Options const& options) const
{
typedef mpl::iterator_range<
typename mpl::next<
typename mpl::begin<ParameterSpecs>::type
>::type
, typename mpl::end<ParameterSpecs>::type
> arg_types;
typedef typename mpl::front<ParameterSpecs>::type result_type;
typedef typename mpl::transform<
arg_types
, aux::make_kw_spec<mpl::_>
, mpl::back_inserter<mpl::vector0<> >
>::type arg_specs;
typedef typename mpl::count_if<
arg_specs
, aux::is_optional<mpl::_>
>::type optional_arity;
typedef typename mpl::shift_left<mpl::long_<1>, optional_arity>::type upper;
aux::def_combinations(
aux::def_class<Class, Options>(cl, name, options)
, (arg_specs*)0
, mpl::long_<0>()
, mpl::long_<upper::value>()
, (aux::make_member_invoker<
Fwd, result_type, typename Class::wrapped_type
>*)0
);
}
};
}}} // namespace boost::parameter::python
#endif // BOOST_PARAMETER_PYTHON_060209_HPP