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support for N3658 (Compile-time integer sequences): index_tuple

Browse source 
rename: integer_seq -> integer_sequence, make_integer_sequence -> make_integer_sequence
add unsigned-index sequence: index_sequence(alias), make_index_sequence, index_sequence_for
add: integer_pack, index_pack
This commit is contained in:
bolero-MURAKAMI 2013-05-10 19:52:39 +09:00
parent a3aedcf136
commit bb36ef6e8b
24 changed files with 196 additions and 83 deletions
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2
sprout/breed/detail/deduce_domain.hpp
View file

@ -215,7 +215,7 @@ namespace sprout {
template<typename... Args>
struct deduce_domain
: public sprout::breed::detail::deduce_domain_impl<
typename sprout::make_index_tuple<sizeof...(Args)>::type,
typename sprout::index_pack<Args...>::type,
Args...
>
{};

4
sprout/breed/generate.hpp
View file

@ -55,7 +55,7 @@ namespace sprout {
}
public:
static SPROUT_CONSTEXPR type call(src_type const& e) {
return call_impl(sprout::make_index_tuple<sizeof...(Args)>::make());
return call_impl(sprout::index_pack<Args...>::make());
}
};
template<typename Tag, typename... Args>
@ -74,7 +74,7 @@ namespace sprout {
}
public:
static SPROUT_CONSTEXPR type call(src_type const& e) {
return call_impl(sprout::make_index_tuple<sizeof...(Args)>::make());
return call_impl(sprout::index_pack<Args...>::make());
}
};
} // namespace detail

2
sprout/darkroom/lights/light_list.hpp
View file

@ -51,7 +51,7 @@ namespace sprout {
template<typename Intersection, typename Objects>
SPROUT_CONSTEXPR color_type
operator()(Intersection const& inter, Objects const& objs) const {
return shade_1(inter, objs, sprout::make_index_tuple<sizeof...(Lights)>::make());
return shade_1(inter, objs, sprout::index_pack<Lights...>::make());
}
};
//

6
sprout/functional/bind/bind.hpp
View file

@ -181,7 +181,7 @@ namespace sprout {
SPROUT_CONSTEXPR auto operator()(CVArg& arg, sprout::tuples::tuple<Args...>& tuple) const volatile
-> decltype(arg(std::declval<Args>()...))
{
return call(arg, tuple, sprout::make_index_tuple<sizeof...(Args)>::make());
return call(arg, tuple, sprout::index_pack<Args...>::make());
}
};
template<typename Arg>
@ -277,7 +277,7 @@ namespace sprout {
{
private:
typedef binder self_type;
typedef typename sprout::make_index_tuple<sizeof...(BoundArgs)>::type bound_indexes;
typedef typename sprout::index_pack<BoundArgs...>::type bound_indexes;
private:
Functor f_;
sprout::tuples::tuple<BoundArgs...> bound_args_;
@ -385,7 +385,7 @@ namespace sprout {
class bind_result<Result, Functor(BoundArgs...)> {
private:
typedef bind_result self_type;
typedef typename sprout::make_index_tuple<sizeof...(BoundArgs)>::type bound_indexes;
typedef typename sprout::index_pack<BoundArgs...>::type bound_indexes;
private:
template<typename Res>
struct enable_if_void

3
sprout/index_tuple/class.hpp
View file

@ -2,7 +2,8 @@
#define SPROUT_INDEX_TUPLE_CLASS_HPP
#include <sprout/config.hpp>
#include <sprout/index_tuple/integer_seq.hpp>
#include <sprout/index_tuple/integer_sequence.hpp>
#include <sprout/index_tuple/index_tuple.hpp>
#include <sprout/index_tuple/index_sequence.hpp>
#endif // #ifndef SPROUT_INDEX_TUPLE_CLASS_HPP

1
sprout/index_tuple/index_n.hpp
View file

@ -3,6 +3,7 @@
#include <cstddef>
#include <sprout/config.hpp>
#include <sprout/index_tuple/index_tuple.hpp>
#include <sprout/index_tuple/integer_n.hpp>
#include <sprout/index_tuple/enable_make_indexes.hpp>

32
sprout/index_tuple/index_pack.hpp Normal file
View file

@ -0,0 +1,32 @@
#ifndef SPROUT_INDEX_TUPLE_INDEX_PACK_HPP
#define SPROUT_INDEX_TUPLE_INDEX_PACK_HPP
#include <sprout/config.hpp>
#include <sprout/index_tuple/index_tuple.hpp>
#include <sprout/index_tuple/integer_pack.hpp>
#include <sprout/index_tuple/enable_make_indexes.hpp>
namespace sprout {
//
// index_pack
//
template<typename... Ts>
struct index_pack
: public sprout::enable_make_indexes<
typename sprout::integer_pack<sprout::index_t, Ts...>::type
::template transfer<sprout::index_tuple<> >
>
{};
//
// uindex_pack
//
template<typename... Ts>
struct uindex_pack
: public sprout::enable_make_indexes<
typename sprout::integer_pack<sprout::uindex_t, Ts...>::type
::template transfer<sprout::uindex_tuple<> >
>
{};
} // namespace sprout
#endif // #ifndef SPROUT_INDEX_TUPLE_INDEX_PACK_HPP

19
sprout/index_tuple/index_sequence.hpp Normal file
View file

@ -0,0 +1,19 @@
#ifndef SPROUT_INDEX_TUPLE_INDEX_SEQUENCE_HPP
#define SPROUT_INDEX_TUPLE_INDEX_SEQUENCE_HPP
#include <sprout/config.hpp>
#if SPROUT_USE_TEMPLATE_ALIASES
# include <sprout/index_tuple/index_tuple.hpp>
#endif // #if SPROUT_USE_TEMPLATE_ALIASES
namespace sprout {
#if SPROUT_USE_TEMPLATE_ALIASES
//
// index_sequence
//
template<sprout::uindex_t... Indexes>
using index_sequence = sprout::uindex_tuple<Indexes...>;
#endif // #if SPROUT_USE_TEMPLATE_ALIASES
} // namespace sprout
#endif // #ifndef SPROUT_INDEX_TUPLE_INDEX_SEQUENCE_HPP

17
sprout/index_tuple/index_sequence_for.hpp Normal file
View file

@ -0,0 +1,17 @@
#ifndef SPROUT_INDEX_TUPLE_INDEX_SEQUENCE_FOR_HPP
#define SPROUT_INDEX_TUPLE_INDEX_SEQUENCE_FOR_HPP
#include <sprout/config.hpp>
#include <sprout/index_tuple/index_pack.hpp>
namespace sprout {
//
// index_sequence_for
//
template<typename... Ts>
struct index_sequence_for
: public sprout::uindex_pack<Ts...>
{};
} // namespace sprout
#endif // #ifndef SPROUT_INDEX_TUPLE_INDEX_SEQUENCE_FOR_HPP

6
sprout/index_tuple/index_tuple.hpp
View file

@ -3,7 +3,7 @@
#include <cstddef>
#include <sprout/config.hpp>
#include <sprout/index_tuple/integer_seq.hpp>
#include <sprout/index_tuple/integer_sequence.hpp>
namespace sprout {
//
@ -13,7 +13,7 @@ namespace sprout {
typedef std::ptrdiff_t index_t;
template<sprout::index_t... Indexes>
struct index_tuple
: public sprout::integer_seq<sprout::index_t, Indexes...>
: public sprout::integer_sequence<sprout::index_t, Indexes...>
{
public:
typedef index_tuple type;
@ -30,7 +30,7 @@ namespace sprout {
typedef std::size_t uindex_t;
template<sprout::uindex_t... Indexes>
struct uindex_tuple
: public sprout::integer_seq<sprout::uindex_t, Indexes...>
: public sprout::integer_sequence<sprout::uindex_t, Indexes...>
{
public:
typedef uindex_tuple type;

14
sprout/index_tuple/integer_n.hpp
View file

@ -4,7 +4,7 @@
#include <cstddef>
#include <type_traits>
#include <sprout/config.hpp>
#include <sprout/index_tuple/integer_seq.hpp>
#include <sprout/index_tuple/integer_sequence.hpp>
#include <sprout/index_tuple/enable_make_indexes.hpp>
namespace sprout {
@ -15,15 +15,15 @@ namespace sprout {
template<typename T, typename Seq>
struct integer_n_next_even;
template<typename T, T... Is>
struct integer_n_next_even<T, sprout::integer_seq<T, Is...> >
: public sprout::integer_seq<T, Is..., Is...>
struct integer_n_next_even<T, sprout::integer_sequence<T, Is...> >
: public sprout::integer_sequence<T, Is..., Is...>
{};
template<typename T, typename Seq, T Tail>
struct integer_n_next_even_odd;
template<typename T, T... Is, T Tail>
struct integer_n_next_even_odd<T, sprout::integer_seq<T, Is...>, Tail>
: public sprout::integer_seq<T, Is..., Is..., Tail>
struct integer_n_next_even_odd<T, sprout::integer_sequence<T, Is...>, Tail>
: public sprout::integer_sequence<T, Is..., Is..., Tail>
{};
template<typename T, T I, std::size_t N, typename Enable = void>
@ -33,14 +33,14 @@ namespace sprout {
T, I, N,
typename std::enable_if<(N == 0)>::type
>
: public sprout::integer_seq<T>
: public sprout::integer_sequence<T>
{};
template<typename T, T I, std::size_t N>
struct integer_n_impl<
T, I, N,
typename std::enable_if<(N == 1)>::type
>
: public sprout::integer_seq<T, I>
: public sprout::integer_sequence<T, I>
{};
template<typename T, T I, std::size_t N>
struct integer_n_impl<

17
sprout/index_tuple/integer_pack.hpp Normal file
View file

@ -0,0 +1,17 @@
#ifndef SPROUT_INDEX_TUPLE_INTEGER_PACK_HPP
#define SPROUT_INDEX_TUPLE_INTEGER_PACK_HPP
#include <sprout/config.hpp>
#include <sprout/index_tuple/make_integer_sequence.hpp>
namespace sprout {
//
// integer_pack
//
template<typename T, typename... Ts>
struct integer_pack
: public sprout::make_integer_sequence<T, sizeof...(Ts)>
{};
} // namespace sprout
#endif // #ifndef SPROUT_INDEX_TUPLE_INTEGER_PACK_HPP

14
sprout/index_tuple/integer_range.hpp
View file

@ -3,7 +3,7 @@
#include <type_traits>
#include <sprout/config.hpp>
#include <sprout/index_tuple/integer_seq.hpp>
#include <sprout/index_tuple/integer_sequence.hpp>
#include <sprout/index_tuple/enable_make_indexes.hpp>
namespace sprout {
@ -18,15 +18,15 @@ namespace sprout {
template<typename T, typename Seq, T Next>
struct integer_range_next_even;
template<typename T, T... Is, T Next>
struct integer_range_next_even<T, sprout::integer_seq<T, Is...>, Next>
: public sprout::integer_seq<T, Is..., (Is + Next)...>
struct integer_range_next_even<T, sprout::integer_sequence<T, Is...>, Next>
: public sprout::integer_sequence<T, Is..., (Is + Next)...>
{};
template<typename T, typename Seq, T Next, T Tail>
struct integer_range_next_odd;
template<typename T, T... Is, T Next, T Tail>
struct integer_range_next_odd<T, sprout::integer_seq<T, Is...>, Next, Tail>
: public sprout::integer_seq<T, Is..., (Is + Next)..., Tail>
struct integer_range_next_odd<T, sprout::integer_sequence<T, Is...>, Next, Tail>
: public sprout::integer_sequence<T, Is..., (Is + Next)..., Tail>
{};
template<typename T, T First, typename std::make_signed<T>::type Step, typename std::make_unsigned<T>::type N, typename Enable = void>
@ -36,14 +36,14 @@ namespace sprout {
T, First, Step, N,
typename std::enable_if<(N == 0)>::type
>
: public sprout::integer_seq<T>
: public sprout::integer_sequence<T>
{};
template<typename T, T First, typename std::make_signed<T>::type Step, typename std::make_unsigned<T>::type N>
struct integer_range_impl<
T, First, Step, N,
typename std::enable_if<(N == 1)>::type
>
: public sprout::integer_seq<T, First>
: public sprout::integer_sequence<T, First>
{};
template<typename T, T First, typename std::make_signed<T>::type Step, typename std::make_unsigned<T>::type N>
struct integer_range_impl<

32
sprout/index_tuple/integer_seq.hpp
View file

@ -1,32 +0,0 @@
#ifndef SPROUT_INDEX_TUPLE_INTEGER_SEQ_HPP
#define SPROUT_INDEX_TUPLE_INTEGER_SEQ_HPP
#include <cstddef>
#include <sprout/config.hpp>
namespace sprout {
//
// integer_seq
//
template<typename T, T... Is>
struct integer_seq {
public:
typedef integer_seq type;
template<T... J>
struct rebind
: public integer_seq<T, J...>
{};
public:
typedef T value_type;
template<typename Seq>
struct transfer
: public Seq::template rebind<Is...>
{};
public:
SPROUT_STATIC_CONSTEXPR std::size_t size = sizeof...(Is);
};
template<typename T, T... Is>
SPROUT_CONSTEXPR_OR_CONST std::size_t sprout::integer_seq<T, Is...>::size;
} // namespace sprout
#endif // #ifndef SPROUT_INDEX_TUPLE_INTEGER_SEQ_HPP

36
sprout/index_tuple/integer_sequence.hpp Normal file
View file

@ -0,0 +1,36 @@
#ifndef SPROUT_INDEX_TUPLE_INTEGER_SEQUENCE_HPP
#define SPROUT_INDEX_TUPLE_INTEGER_SEQUENCE_HPP
#include <cstddef>
#include <sprout/config.hpp>
namespace sprout {
//
// integer_sequence
//
template<typename T, T... Is>
struct integer_sequence {
public:
typedef integer_sequence type;
template<T... J>
struct rebind
: public integer_sequence<T, J...>
{};
public:
typedef T value_type;
template<typename Seq>
struct transfer
: public Seq::template rebind<Is...>
{};
public:
SPROUT_STATIC_CONSTEXPR std::size_t static_size = sizeof...(Is);
public:
static SPROUT_CONSTEXPR size_t size() noexcept {
return static_size;
}
};
template<typename T, T... Is>
SPROUT_CONSTEXPR_OR_CONST std::size_t sprout::integer_sequence<T, Is...>::static_size;
} // namespace sprout
#endif // #ifndef SPROUT_INDEX_TUPLE_INTEGER_SEQUENCE_HPP

18
sprout/index_tuple/make_index_sequence.hpp Normal file
View file

@ -0,0 +1,18 @@
#ifndef SPROUT_INDEX_TUPLE_MAKE_INDEX_SEQUENCE_HPP
#define SPROUT_INDEX_TUPLE_MAKE_INDEX_SEQUENCE_HPP
#include <sprout/config.hpp>
#include <sprout/index_tuple/index_tuple.hpp>
#include <sprout/index_tuple/make_index_tuple.hpp>
namespace sprout {
//
// make_index_sequence
//
template<sprout::uindex_t N>
struct make_index_sequence
: public sprout::make_uindex_tuple<N>
{};
} // namespace sprout
#endif // #ifndef SPROUT_INDEX_TUPLE_MAKE_INDEX_SEQUENCE_HPP

6
sprout/index_tuple/make_index_tuple.hpp
View file

@ -4,7 +4,7 @@
#include <cstddef>
#include <sprout/config.hpp>
#include <sprout/index_tuple/index_tuple.hpp>
#include <sprout/index_tuple/make_integer_seq.hpp>
#include <sprout/index_tuple/make_integer_sequence.hpp>
#include <sprout/index_tuple/enable_make_indexes.hpp>
namespace sprout {
@ -14,7 +14,7 @@ namespace sprout {
template<sprout::index_t N>
struct make_index_tuple
: public sprout::enable_make_indexes<
typename sprout::make_integer_seq<sprout::index_t, N>::type
typename sprout::make_integer_sequence<sprout::index_t, N>::type
::template transfer<sprout::index_tuple<> >::type
>
{};
@ -24,7 +24,7 @@ namespace sprout {
template<sprout::uindex_t N>
struct make_uindex_tuple
: public sprout::enable_make_indexes<
typename sprout::make_integer_seq<sprout::uindex_t, N>::type
typename sprout::make_integer_sequence<sprout::uindex_t, N>::type
::template transfer<sprout::uindex_tuple<> >::type
>
{};

10
sprout/index_tuple/make_integer_seq.hpp → sprout/index_tuple/make_integer_sequence.hpp
View file

@ -1,5 +1,5 @@
#ifndef SPROUT_INDEX_TUPLE_MAKE_INTEGER_SEQ_HPP
#define SPROUT_INDEX_TUPLE_MAKE_INTEGER_SEQ_HPP
#ifndef SPROUT_INDEX_TUPLE_MAKE_INTEGER_SEQUENCE_HPP
#define SPROUT_INDEX_TUPLE_MAKE_INTEGER_SEQUENCE_HPP
#include <sprout/config.hpp>
#include <sprout/index_tuple/integer_range.hpp>
@ -7,14 +7,14 @@
namespace sprout {
//
// make_integer_seq
// make_integer_sequence
//
template<typename T, T N>
struct make_integer_seq
struct make_integer_sequence
: public sprout::enable_make_indexes<
sprout::integer_range<T, 0, N>
>
{};
} // namespace sprout
#endif // #ifndef SPROUT_INDEX_TUPLE_MAKE_INTEGER_SEQ_HPP
#endif // #ifndef SPROUT_INDEX_TUPLE_MAKE_INTEGER_SEQUENCE_HPP

6
sprout/index_tuple/metafunction.hpp
View file

@ -2,11 +2,15 @@
#define SPROUT_INDEX_TUPLE_METAFUNCTION_HPP
#include <sprout/config.hpp>
#include <sprout/index_tuple/make_integer_seq.hpp>
#include <sprout/index_tuple/make_integer_sequence.hpp>
#include <sprout/index_tuple/make_index_tuple.hpp>
#include <sprout/index_tuple/integer_pack.hpp>
#include <sprout/index_tuple/index_pack.hpp>
#include <sprout/index_tuple/integer_range.hpp>
#include <sprout/index_tuple/index_range.hpp>
#include <sprout/index_tuple/integer_n.hpp>
#include <sprout/index_tuple/index_n.hpp>
#include <sprout/index_tuple/make_index_sequence.hpp>
#include <sprout/index_tuple/index_sequence_for.hpp>
#endif // #ifndef SPROUT_INDEX_TUPLE_METAFUNCTION_HPP

20
sprout/index_tuple/tuple.hpp
View file

@ -5,7 +5,7 @@
#include <tuple>
#include <type_traits>
#include <sprout/config.hpp>
#include <sprout/index_tuple/integer_seq.hpp>
#include <sprout/index_tuple/integer_sequence.hpp>
#include <sprout/index_tuple/index_tuple.hpp>
#include <sprout/utility/pack.hpp>
@ -18,14 +18,14 @@ namespace std {
// tuple_size
//
template<typename T, T... Is>
struct tuple_size<sprout::integer_seq<T, Is...> >
struct tuple_size<sprout::integer_sequence<T, Is...> >
: public std::integral_constant<std::size_t, sizeof...(Is)>
{};
//
// tuple_element
//
template<std::size_t I, typename T, T... Is>
struct tuple_element<I, sprout::integer_seq<T, Is...> > {
struct tuple_element<I, sprout::integer_sequence<T, Is...> > {
static_assert(I < sizeof...(Is), "tuple_element<>: index out of range");
public:
typedef typename sprout::tppack_c_at<I, T, Is...>::type type;
@ -36,14 +36,14 @@ namespace std {
//
template<sprout::index_t... Indexes>
struct tuple_size<sprout::index_tuple<Indexes...> >
: public std::tuple_size<sprout::integer_seq<sprout::index_t, Indexes...> >
: public std::tuple_size<sprout::integer_sequence<sprout::index_t, Indexes...> >
{};
//
// tuple_element
//
template<std::size_t I, sprout::index_t... Indexes>
struct tuple_element<I, sprout::index_tuple<Indexes...> >
: public std::tuple_element<I, sprout::integer_seq<sprout::index_t, Indexes...> >
: public std::tuple_element<I, sprout::integer_sequence<sprout::index_t, Indexes...> >
{};
//
@ -51,14 +51,14 @@ namespace std {
//
template<sprout::uindex_t... Indexes>
struct tuple_size<sprout::uindex_tuple<Indexes...> >
: public std::tuple_size<sprout::integer_seq<sprout::uindex_t, Indexes...> >
: public std::tuple_size<sprout::integer_sequence<sprout::uindex_t, Indexes...> >
{};
//
// tuple_element
//
template<std::size_t I, sprout::uindex_t... Indexes>
struct tuple_element<I, sprout::uindex_tuple<Indexes...> >
: public std::tuple_element<I, sprout::integer_seq<sprout::uindex_t, Indexes...> >
: public std::tuple_element<I, sprout::integer_sequence<sprout::uindex_t, Indexes...> >
{};
#if defined(__clang__)
# pragma clang diagnostic pop
@ -70,10 +70,10 @@ namespace sprout {
// tuple_get
//
template<std::size_t I, typename T, T... Is>
inline SPROUT_CONSTEXPR typename std::tuple_element<I, sprout::integer_seq<T, Is...> >::type
tuple_get(sprout::integer_seq<T, Is...>) SPROUT_NOEXCEPT {
inline SPROUT_CONSTEXPR typename std::tuple_element<I, sprout::integer_sequence<T, Is...> >::type
tuple_get(sprout::integer_sequence<T, Is...>) SPROUT_NOEXCEPT {
static_assert(I < sizeof...(Is), "tuple_get: index out of range");
typedef typename std::tuple_element<I, sprout::integer_seq<T, Is...> >::type type;
typedef typename std::tuple_element<I, sprout::integer_sequence<T, Is...> >::type type;
return type();
}

4
sprout/string/string.hpp
View file

@ -721,7 +721,7 @@ namespace sprout {
make(Args&&... args) {
return make_impl(
length(args...),
sprout::make_index_tuple<sizeof...(Args)>::make(),
sprout::index_pack<Args...>::make(),
sprout::forward<Args>(args)...
);
}
@ -730,7 +730,7 @@ namespace sprout {
make(typename copied_type::size_type size, Args&&... args) {
return make_impl(
size,
sprout::make_index_tuple<sizeof...(Args)>::make(),
sprout::index_pack<Args...>::make(),
sprout::forward<Args>(args)...
);
}

2
sprout/tuple/tuple/hash.hpp
View file

@ -26,7 +26,7 @@ namespace sprout {
hash_value(sprout::tuples::tuple<Types...> const& v) {
return sprout::tuples::detail::tuple_hash_value_impl(
v,
sprout::make_index_tuple<sizeof...(Types)>::make()
sprout::index_pack<Types...>::make()
);
}
} // namespace tuples

4
sprout/type/type_tuple.hpp
View file

@ -22,10 +22,10 @@ namespace sprout {
typedef sprout::types::index_iterator<type_tuple, 0> begin;
typedef sprout::types::index_iterator<type_tuple, sizeof...(Types)> end;
public:
SPROUT_STATIC_CONSTEXPR std::size_t size = sizeof...(Types);
SPROUT_STATIC_CONSTEXPR std::size_t static_size = sizeof...(Types);
};
template<typename... Types>
SPROUT_CONSTEXPR_OR_CONST std::size_t sprout::types::type_tuple<Types...>::size;
SPROUT_CONSTEXPR_OR_CONST std::size_t sprout::types::type_tuple<Types...>::static_size;
//
// rebind_types

4
sprout/utility/pair/pair.hpp
View file

@ -37,8 +37,8 @@ namespace sprout {
: pair(
first_args,
second_args,
sprout::make_index_tuple<sizeof...(Args1)>::make(),
sprout::make_index_tuple<sizeof...(Args2)>::make()
sprout::index_pack<Args1...>::make(),
sprout::index_pack<Args2...>::make()
)
{}
#endif // #if SPROUT_USE_DELEGATING_CONSTRUCTORS