mirror of
https://github.com/bolero-MURAKAMI/Sprout
synced 2025-08-03 12:49:50 +00:00
change generator_traits
This commit is contained in:
bolero-MURAKAMI
parent
ef073dbdbb
commit
7f137c0a83
6 changed files with 541 additions and 206 deletions
226
sprout/generator/detail/generated_value.hpp
Normal file
226
sprout/generator/detail/generated_value.hpp
Normal file
|
|
@ -0,0 +1,226 @@
|
|||
/*=============================================================================
|
||||
Copyright (c) 2011-2016 Bolero MURAKAMI
|
||||
https://github.com/bolero-MURAKAMI/Sprout
|
||||
|
||||
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 SPROUT_GENERATOR_DETAIL_GENERATED_VALUE_HPP
|
||||
#define SPROUT_GENERATOR_DETAIL_GENERATED_VALUE_HPP
|
||||
|
||||
#include <utility>
|
||||
#include <type_traits>
|
||||
#include <sprout/config.hpp>
|
||||
#include <sprout/type_traits/integral_constant.hpp>
|
||||
#include <sprout/type_traits/identity.hpp>
|
||||
#include <sprout/iterator/const_reference_cast.hpp>
|
||||
#include <sprout/utility/as_const.hpp>
|
||||
#include <sprout/utility/move.hpp>
|
||||
#include <sprout/tuple/tuple.hpp>
|
||||
#include <sprout/adl/not_found.hpp>
|
||||
|
||||
namespace sprout_adl {
|
||||
sprout::not_found_via_adl get_generated_value(...);
|
||||
} // namespace sprout_adl
|
||||
|
||||
namespace sprout {
|
||||
namespace detail {
|
||||
template<typename T>
|
||||
struct has_mem_generated_value_test {
|
||||
public:
|
||||
template<
|
||||
typename U = T,
|
||||
typename = typename sprout::identity<decltype(std::declval<U>().generated_value())>::type
|
||||
>
|
||||
static sprout::true_type test(int);
|
||||
static sprout::false_type test(...);
|
||||
};
|
||||
#if defined(_MSC_VER) && (_MSC_VER > 1900)
|
||||
template<typename T, typename Base_ = typename sprout::identity<decltype(sprout::detail::has_mem_generated_value_test<T>::test(0))>::type>
|
||||
struct has_mem_generated_value
|
||||
: public Base_
|
||||
{};
|
||||
#else
|
||||
template<typename T>
|
||||
struct has_mem_generated_value
|
||||
: public sprout::identity<decltype(sprout::detail::has_mem_generated_value_test<T>::test(0))>::type
|
||||
{};
|
||||
#endif
|
||||
|
||||
template<typename T>
|
||||
struct is_substitutable_const_generated_value
|
||||
: public sprout::bool_constant<
|
||||
sprout::detail::has_mem_generated_value<T const>::value
|
||||
>
|
||||
{};
|
||||
|
||||
template<typename Gen, typename = void>
|
||||
struct get_generated_value_impl;
|
||||
|
||||
template<typename Gen>
|
||||
struct get_generated_value_impl<
|
||||
Gen,
|
||||
typename std::enable_if<
|
||||
std::is_lvalue_reference<Gen>::value && !std::is_const<typename std::remove_reference<Gen>::type>::value
|
||||
&& sprout::detail::is_substitutable_const_generated_value<Gen>::value
|
||||
>::type
|
||||
> {
|
||||
public:
|
||||
static SPROUT_CONSTEXPR decltype(std::declval<Gen&>().generated_value())
|
||||
get_generated_value(Gen& gen)
|
||||
SPROUT_NOEXCEPT_IF_EXPR(std::declval<Gen&>().generated_value())
|
||||
{
|
||||
typedef decltype(std::declval<Gen&>().generated_value()) type;
|
||||
return sprout::const_reference_cast<type>(sprout::as_const(gen).generated_value());
|
||||
}
|
||||
};
|
||||
template<typename Gen>
|
||||
struct get_generated_value_impl<
|
||||
Gen,
|
||||
typename std::enable_if<
|
||||
std::is_lvalue_reference<Gen>::value && !std::is_const<typename std::remove_reference<Gen>::type>::value
|
||||
&& !sprout::detail::is_substitutable_const_generated_value<Gen>::value
|
||||
&& sprout::detail::has_mem_generated_value<Gen>::value
|
||||
>::type
|
||||
> {
|
||||
public:
|
||||
static SPROUT_CONSTEXPR decltype(std::declval<Gen&>().generated_value())
|
||||
get_generated_value(Gen& gen)
|
||||
SPROUT_NOEXCEPT_IF_EXPR(std::declval<Gen&>().generated_value())
|
||||
{
|
||||
return gen.generated_value();
|
||||
}
|
||||
};
|
||||
template<typename Gen>
|
||||
struct get_generated_value_impl<
|
||||
Gen,
|
||||
typename std::enable_if<
|
||||
std::is_lvalue_reference<Gen>::value && !std::is_const<typename std::remove_reference<Gen>::type>::value
|
||||
&& !sprout::detail::is_substitutable_const_generated_value<Gen>::value
|
||||
&& !sprout::detail::has_mem_generated_value<Gen>::value
|
||||
>::type
|
||||
> {
|
||||
public:
|
||||
static SPROUT_CONSTEXPR decltype(sprout::tuples::get<0>(std::declval<Gen&>()))
|
||||
get_generated_value(Gen& gen)
|
||||
SPROUT_NOEXCEPT_IF_EXPR(sprout::tuples::get<0>(std::declval<Gen&>()))
|
||||
{
|
||||
return sprout::tuples::get<0>(gen);
|
||||
}
|
||||
};
|
||||
|
||||
template<typename Gen>
|
||||
struct get_generated_value_impl<
|
||||
Gen,
|
||||
typename std::enable_if<
|
||||
std::is_rvalue_reference<Gen>::value && !std::is_const<typename std::remove_reference<Gen>::type>::value
|
||||
&& sprout::detail::is_substitutable_const_generated_value<Gen>::value
|
||||
>::type
|
||||
> {
|
||||
public:
|
||||
static SPROUT_CONSTEXPR decltype(std::declval<Gen&&>().generated_value())
|
||||
get_generated_value(Gen&& gen)
|
||||
SPROUT_NOEXCEPT_IF_EXPR(std::declval<Gen&&>().generated_value())
|
||||
{
|
||||
typedef decltype(std::declval<Gen&&>().generated_value()) type;
|
||||
return sprout::const_reference_cast<type>(sprout::as_const(sprout::move(gen)).generated_value());
|
||||
}
|
||||
};
|
||||
template<typename Gen>
|
||||
struct get_generated_value_impl<
|
||||
Gen,
|
||||
typename std::enable_if<
|
||||
std::is_rvalue_reference<Gen>::value && !std::is_const<typename std::remove_reference<Gen>::type>::value
|
||||
&& !sprout::detail::is_substitutable_const_generated_value<Gen>::value
|
||||
&& sprout::detail::has_mem_generated_value<Gen>::value
|
||||
>::type
|
||||
> {
|
||||
public:
|
||||
static SPROUT_CONSTEXPR decltype(std::declval<Gen&&>().generated_value())
|
||||
get_generated_value(Gen&& gen)
|
||||
SPROUT_NOEXCEPT_IF_EXPR(std::declval<Gen&&>().generated_value())
|
||||
{
|
||||
return sprout::move(gen).generated_value();
|
||||
}
|
||||
};
|
||||
template<typename Gen>
|
||||
struct get_generated_value_impl<
|
||||
Gen,
|
||||
typename std::enable_if<
|
||||
std::is_rvalue_reference<Gen>::value && !std::is_const<typename std::remove_reference<Gen>::type>::value
|
||||
&& !sprout::detail::is_substitutable_const_generated_value<Gen>::value
|
||||
&& !sprout::detail::has_mem_generated_value<Gen>::value
|
||||
>::type
|
||||
> {
|
||||
public:
|
||||
static SPROUT_CONSTEXPR decltype(sprout::tuples::get<0>(std::declval<Gen&&>()))
|
||||
get_generated_value(Gen&& gen)
|
||||
SPROUT_NOEXCEPT_IF_EXPR(sprout::tuples::get<0>(std::declval<Gen&&>()))
|
||||
{
|
||||
return sprout::tuples::get<0>(sprout::move(gen));
|
||||
}
|
||||
};
|
||||
|
||||
template<typename Gen>
|
||||
struct get_generated_value_impl<
|
||||
Gen,
|
||||
typename std::enable_if<
|
||||
std::is_reference<Gen>::value && std::is_const<typename std::remove_reference<Gen>::type>::value
|
||||
&& sprout::detail::has_mem_generated_value<Gen const>::value
|
||||
>::type
|
||||
> {
|
||||
public:
|
||||
static SPROUT_CONSTEXPR decltype(std::declval<Gen const&>().generated_value())
|
||||
get_generated_value(Gen const& gen)
|
||||
SPROUT_NOEXCEPT_IF_EXPR(std::declval<Gen const&>().generated_value())
|
||||
{
|
||||
return gen.generated_value();
|
||||
}
|
||||
};
|
||||
template<typename Gen>
|
||||
struct get_generated_value_impl<
|
||||
Gen,
|
||||
typename std::enable_if<
|
||||
std::is_reference<Gen>::value && std::is_const<typename std::remove_reference<Gen>::type>::value
|
||||
&& !sprout::detail::has_mem_generated_value<Gen const>::value
|
||||
>::type
|
||||
> {
|
||||
public:
|
||||
static SPROUT_CONSTEXPR decltype(sprout::tuples::get<0>(std::declval<Gen const&>()))
|
||||
get_generated_value(Gen const& gen)
|
||||
SPROUT_NOEXCEPT_IF_EXPR(sprout::tuples::get<0>(std::declval<Gen const&>()))
|
||||
{
|
||||
return sprout::tuples::get<0>(gen);
|
||||
}
|
||||
};
|
||||
} // namespace detail
|
||||
} // namespace sprout
|
||||
|
||||
namespace sprout_generator_detail {
|
||||
template<typename Gen>
|
||||
inline SPROUT_CONSTEXPR decltype(sprout::detail::get_generated_value_impl<Gen&>::get_generated_value(std::declval<Gen&>()))
|
||||
get_generated_value(Gen& gen)
|
||||
SPROUT_NOEXCEPT_IF_EXPR(sprout::detail::get_generated_value_impl<Gen&>::get_generated_value(std::declval<Gen&>()))
|
||||
{
|
||||
return sprout::detail::get_generated_value_impl<Gen&>::get_generated_value(gen);
|
||||
}
|
||||
template<typename Gen>
|
||||
inline SPROUT_CONSTEXPR typename std::enable_if<
|
||||
!std::is_const<Gen>::value && !std::is_volatile<Gen>::value && !std::is_reference<Gen>::value,
|
||||
decltype(sprout::detail::get_generated_value_impl<Gen&&>::get_generated_value(std::declval<Gen&&>()))
|
||||
>::type
|
||||
get_generated_value(Gen&& gen)
|
||||
SPROUT_NOEXCEPT_IF_EXPR(sprout::detail::get_generated_value_impl<Gen&&>::get_generated_value(std::declval<Gen&&>()))
|
||||
{
|
||||
return sprout::detail::get_generated_value_impl<Gen&&>::get_generated_value(sprout::move(gen));
|
||||
}
|
||||
template<typename Gen>
|
||||
inline SPROUT_CONSTEXPR decltype(sprout::detail::get_generated_value_impl<Gen const&>::get_generated_value(std::declval<Gen const&>()))
|
||||
get_generated_value(Gen const& gen)
|
||||
SPROUT_NOEXCEPT_IF_EXPR(sprout::detail::get_generated_value_impl<Gen const&>::get_generated_value(std::declval<Gen const&>()))
|
||||
{
|
||||
return sprout::detail::get_generated_value_impl<Gen const&>::get_generated_value(gen);
|
||||
}
|
||||
} // namespace sprout_generator_detail
|
||||
|
||||
#endif // #ifndef SPROUT_GENERATOR_DETAIL_GENERATED_VALUE_HPP
|
||||
226
sprout/generator/detail/next_generator.hpp
Normal file
226
sprout/generator/detail/next_generator.hpp
Normal file
|
|
@ -0,0 +1,226 @@
|
|||
/*=============================================================================
|
||||
Copyright (c) 2011-2016 Bolero MURAKAMI
|
||||
https://github.com/bolero-MURAKAMI/Sprout
|
||||
|
||||
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 SPROUT_GENERATOR_DETAIL_NEXT_GENERATOR_HPP
|
||||
#define SPROUT_GENERATOR_DETAIL_NEXT_GENERATOR_HPP
|
||||
|
||||
#include <utility>
|
||||
#include <type_traits>
|
||||
#include <sprout/config.hpp>
|
||||
#include <sprout/type_traits/integral_constant.hpp>
|
||||
#include <sprout/type_traits/identity.hpp>
|
||||
#include <sprout/iterator/const_reference_cast.hpp>
|
||||
#include <sprout/utility/as_const.hpp>
|
||||
#include <sprout/utility/move.hpp>
|
||||
#include <sprout/tuple/tuple.hpp>
|
||||
#include <sprout/adl/not_found.hpp>
|
||||
|
||||
namespace sprout_adl {
|
||||
sprout::not_found_via_adl get_next_generator(...);
|
||||
} // namespace sprout_adl
|
||||
|
||||
namespace sprout {
|
||||
namespace detail {
|
||||
template<typename T>
|
||||
struct has_mem_next_generator_test {
|
||||
public:
|
||||
template<
|
||||
typename U = T,
|
||||
typename = typename sprout::identity<decltype(std::declval<U>().next_generator())>::type
|
||||
>
|
||||
static sprout::true_type test(int);
|
||||
static sprout::false_type test(...);
|
||||
};
|
||||
#if defined(_MSC_VER) && (_MSC_VER > 1900)
|
||||
template<typename T, typename Base_ = typename sprout::identity<decltype(sprout::detail::has_mem_next_generator_test<T>::test(0))>::type>
|
||||
struct has_mem_next_generator
|
||||
: public Base_
|
||||
{};
|
||||
#else
|
||||
template<typename T>
|
||||
struct has_mem_next_generator
|
||||
: public sprout::identity<decltype(sprout::detail::has_mem_next_generator_test<T>::test(0))>::type
|
||||
{};
|
||||
#endif
|
||||
|
||||
template<typename T>
|
||||
struct is_substitutable_const_next_generator
|
||||
: public sprout::bool_constant<
|
||||
sprout::detail::has_mem_next_generator<T const>::value
|
||||
>
|
||||
{};
|
||||
|
||||
template<typename Gen, typename = void>
|
||||
struct get_next_generator_impl;
|
||||
|
||||
template<typename Gen>
|
||||
struct get_next_generator_impl<
|
||||
Gen,
|
||||
typename std::enable_if<
|
||||
std::is_lvalue_reference<Gen>::value && !std::is_const<typename std::remove_reference<Gen>::type>::value
|
||||
&& sprout::detail::is_substitutable_const_next_generator<Gen>::value
|
||||
>::type
|
||||
> {
|
||||
public:
|
||||
static SPROUT_CONSTEXPR decltype(std::declval<Gen&>().next_generator())
|
||||
get_next_generator(Gen& gen)
|
||||
SPROUT_NOEXCEPT_IF_EXPR(std::declval<Gen&>().next_generator())
|
||||
{
|
||||
typedef decltype(std::declval<Gen&>().next_generator()) type;
|
||||
return sprout::const_reference_cast<type>(sprout::as_const(gen).next_generator());
|
||||
}
|
||||
};
|
||||
template<typename Gen>
|
||||
struct get_next_generator_impl<
|
||||
Gen,
|
||||
typename std::enable_if<
|
||||
std::is_lvalue_reference<Gen>::value && !std::is_const<typename std::remove_reference<Gen>::type>::value
|
||||
&& !sprout::detail::is_substitutable_const_next_generator<Gen>::value
|
||||
&& sprout::detail::has_mem_next_generator<Gen>::value
|
||||
>::type
|
||||
> {
|
||||
public:
|
||||
static SPROUT_CONSTEXPR decltype(std::declval<Gen&>().next_generator())
|
||||
get_next_generator(Gen& gen)
|
||||
SPROUT_NOEXCEPT_IF_EXPR(std::declval<Gen&>().next_generator())
|
||||
{
|
||||
return gen.next_generator();
|
||||
}
|
||||
};
|
||||
template<typename Gen>
|
||||
struct get_next_generator_impl<
|
||||
Gen,
|
||||
typename std::enable_if<
|
||||
std::is_lvalue_reference<Gen>::value && !std::is_const<typename std::remove_reference<Gen>::type>::value
|
||||
&& !sprout::detail::is_substitutable_const_next_generator<Gen>::value
|
||||
&& !sprout::detail::has_mem_next_generator<Gen>::value
|
||||
>::type
|
||||
> {
|
||||
public:
|
||||
static SPROUT_CONSTEXPR decltype(sprout::tuples::get<1>(std::declval<Gen&>()))
|
||||
get_next_generator(Gen& gen)
|
||||
SPROUT_NOEXCEPT_IF_EXPR(sprout::tuples::get<1>(std::declval<Gen&>()))
|
||||
{
|
||||
return sprout::tuples::get<1>(gen);
|
||||
}
|
||||
};
|
||||
|
||||
template<typename Gen>
|
||||
struct get_next_generator_impl<
|
||||
Gen,
|
||||
typename std::enable_if<
|
||||
std::is_rvalue_reference<Gen>::value && !std::is_const<typename std::remove_reference<Gen>::type>::value
|
||||
&& sprout::detail::is_substitutable_const_next_generator<Gen>::value
|
||||
>::type
|
||||
> {
|
||||
public:
|
||||
static SPROUT_CONSTEXPR decltype(std::declval<Gen&&>().next_generator())
|
||||
get_next_generator(Gen&& gen)
|
||||
SPROUT_NOEXCEPT_IF_EXPR(std::declval<Gen&&>().next_generator())
|
||||
{
|
||||
typedef decltype(std::declval<Gen&&>().next_generator()) type;
|
||||
return sprout::const_reference_cast<type>(sprout::as_const(sprout::move(gen)).next_generator());
|
||||
}
|
||||
};
|
||||
template<typename Gen>
|
||||
struct get_next_generator_impl<
|
||||
Gen,
|
||||
typename std::enable_if<
|
||||
std::is_rvalue_reference<Gen>::value && !std::is_const<typename std::remove_reference<Gen>::type>::value
|
||||
&& !sprout::detail::is_substitutable_const_next_generator<Gen>::value
|
||||
&& sprout::detail::has_mem_next_generator<Gen>::value
|
||||
>::type
|
||||
> {
|
||||
public:
|
||||
static SPROUT_CONSTEXPR decltype(std::declval<Gen&&>().next_generator())
|
||||
get_next_generator(Gen&& gen)
|
||||
SPROUT_NOEXCEPT_IF_EXPR(std::declval<Gen&&>().next_generator())
|
||||
{
|
||||
return sprout::move(gen).next_generator();
|
||||
}
|
||||
};
|
||||
template<typename Gen>
|
||||
struct get_next_generator_impl<
|
||||
Gen,
|
||||
typename std::enable_if<
|
||||
std::is_rvalue_reference<Gen>::value && !std::is_const<typename std::remove_reference<Gen>::type>::value
|
||||
&& !sprout::detail::is_substitutable_const_next_generator<Gen>::value
|
||||
&& !sprout::detail::has_mem_next_generator<Gen>::value
|
||||
>::type
|
||||
> {
|
||||
public:
|
||||
static SPROUT_CONSTEXPR decltype(sprout::tuples::get<1>(std::declval<Gen&&>()))
|
||||
get_next_generator(Gen&& gen)
|
||||
SPROUT_NOEXCEPT_IF_EXPR(sprout::tuples::get<1>(std::declval<Gen&&>()))
|
||||
{
|
||||
return sprout::tuples::get<1>(sprout::move(gen));
|
||||
}
|
||||
};
|
||||
|
||||
template<typename Gen>
|
||||
struct get_next_generator_impl<
|
||||
Gen,
|
||||
typename std::enable_if<
|
||||
std::is_reference<Gen>::value && std::is_const<typename std::remove_reference<Gen>::type>::value
|
||||
&& sprout::detail::has_mem_next_generator<Gen const>::value
|
||||
>::type
|
||||
> {
|
||||
public:
|
||||
static SPROUT_CONSTEXPR decltype(std::declval<Gen const&>().next_generator())
|
||||
get_next_generator(Gen const& gen)
|
||||
SPROUT_NOEXCEPT_IF_EXPR(std::declval<Gen const&>().next_generator())
|
||||
{
|
||||
return gen.next_generator();
|
||||
}
|
||||
};
|
||||
template<typename Gen>
|
||||
struct get_next_generator_impl<
|
||||
Gen,
|
||||
typename std::enable_if<
|
||||
std::is_reference<Gen>::value && std::is_const<typename std::remove_reference<Gen>::type>::value
|
||||
&& !sprout::detail::has_mem_next_generator<Gen const>::value
|
||||
>::type
|
||||
> {
|
||||
public:
|
||||
static SPROUT_CONSTEXPR decltype(sprout::tuples::get<1>(std::declval<Gen const&>()))
|
||||
get_next_generator(Gen const& gen)
|
||||
SPROUT_NOEXCEPT_IF_EXPR(sprout::tuples::get<1>(std::declval<Gen const&>()))
|
||||
{
|
||||
return sprout::tuples::get<1>(gen);
|
||||
}
|
||||
};
|
||||
} // namespace detail
|
||||
} // namespace sprout
|
||||
|
||||
namespace sprout_generator_detail {
|
||||
template<typename Gen>
|
||||
inline SPROUT_CONSTEXPR decltype(sprout::detail::get_next_generator_impl<Gen&>::get_next_generator(std::declval<Gen&>()))
|
||||
get_next_generator(Gen& gen)
|
||||
SPROUT_NOEXCEPT_IF_EXPR(sprout::detail::get_next_generator_impl<Gen&>::get_next_generator(std::declval<Gen&>()))
|
||||
{
|
||||
return sprout::detail::get_next_generator_impl<Gen&>::get_next_generator(gen);
|
||||
}
|
||||
template<typename Gen>
|
||||
inline SPROUT_CONSTEXPR typename std::enable_if<
|
||||
!std::is_const<Gen>::value && !std::is_volatile<Gen>::value && !std::is_reference<Gen>::value,
|
||||
decltype(sprout::detail::get_next_generator_impl<Gen&&>::get_next_generator(std::declval<Gen&&>()))
|
||||
>::type
|
||||
get_next_generator(Gen&& gen)
|
||||
SPROUT_NOEXCEPT_IF_EXPR(sprout::detail::get_next_generator_impl<Gen&&>::get_next_generator(std::declval<Gen&&>()))
|
||||
{
|
||||
return sprout::detail::get_next_generator_impl<Gen&&>::get_next_generator(sprout::move(gen));
|
||||
}
|
||||
template<typename Gen>
|
||||
inline SPROUT_CONSTEXPR decltype(sprout::detail::get_next_generator_impl<Gen const&>::get_next_generator(std::declval<Gen const&>()))
|
||||
get_next_generator(Gen const& gen)
|
||||
SPROUT_NOEXCEPT_IF_EXPR(sprout::detail::get_next_generator_impl<Gen const&>::get_next_generator(std::declval<Gen const&>()))
|
||||
{
|
||||
return sprout::detail::get_next_generator_impl<Gen const&>::get_next_generator(gen);
|
||||
}
|
||||
} // namespace sprout_generator_detail
|
||||
|
||||
#endif // #ifndef SPROUT_GENERATOR_DETAIL_NEXT_GENERATOR_HPP
|
||||
Loading…
Add table
Add a link
Reference in a new issue