mirror of
https://github.com/XRPLF/rippled.git
synced 2025-12-03 09:25:51 +00:00
Consolidate C++14 compatibility into new headers
This commit is contained in:
Vinnie Falco
90
beast/cxx14/algorithm.h
Normal file
90
beast/cxx14/algorithm.h
Normal file
@@ -0,0 +1,90 @@
|
||||
//------------------------------------------------------------------------------
|
||||
/*
|
||||
This file is part of Beast: https://github.com/vinniefalco/Beast
|
||||
Copyright 2013, Vinnie Falco <vinnie.falco@gmail.com>
|
||||
|
||||
Permission to use, copy, modify, and/or distribute this software for any
|
||||
purpose with or without fee is hereby granted, provided that the above
|
||||
copyright notice and this permission notice appear in all copies.
|
||||
|
||||
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
|
||||
WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
|
||||
MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
|
||||
ANY SPECIAL , DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
|
||||
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
|
||||
ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
|
||||
OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
||||
*/
|
||||
//==============================================================================
|
||||
|
||||
#ifndef BEAST_CXX14_ALGORITHM_H_INCLUDED
|
||||
#define BEAST_CXX14_ALGORITHM_H_INCLUDED
|
||||
|
||||
#include "config.h"
|
||||
#include "functional.h"
|
||||
|
||||
#include <algorithm>
|
||||
|
||||
namespace std {
|
||||
|
||||
namespace detail {
|
||||
|
||||
template <class Pred, class FwdIt1, class FwdIt2>
|
||||
bool equal (FwdIt1 first1, FwdIt1 last1,
|
||||
FwdIt2 first2, FwdIt2 last2, Pred pred,
|
||||
std::input_iterator_tag, std::input_iterator_tag)
|
||||
{
|
||||
for (; first1 != last1 && first2 != last2; ++first1, ++first2)
|
||||
if (! pred (*first1, *first2))
|
||||
return false;
|
||||
return first1 == last1 && first2 == last2;
|
||||
}
|
||||
|
||||
template <class Pred, class RanIt1, class RanIt2>
|
||||
bool equal (RanIt1 first1, RanIt1 last1,
|
||||
RanIt2 first2, RanIt2 last2, Pred pred,
|
||||
random_access_iterator_tag,
|
||||
random_access_iterator_tag )
|
||||
{
|
||||
if (std::distance (first1, last1) !=
|
||||
std::distance (first2, last2))
|
||||
return false;
|
||||
for (; first1 != last1; ++first1, ++first2)
|
||||
if (! pred (*first1, *first2))
|
||||
return false;
|
||||
return true;
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
/** C++14 implementation of std::equal. */
|
||||
/** @{ */
|
||||
template <class FwdIt1, class FwdIt2>
|
||||
bool equal (FwdIt1 first1, FwdIt1 last1,
|
||||
FwdIt2 first2, FwdIt2 last2)
|
||||
{
|
||||
return std::detail::equal (first1, last1,
|
||||
first2, last2, std::equal_to <void>(),
|
||||
typename std::iterator_traits <
|
||||
FwdIt1>::iterator_category(),
|
||||
typename std::iterator_traits <
|
||||
FwdIt2>::iterator_category());
|
||||
}
|
||||
|
||||
template <class FwdIt1, class FwdIt2, class Pred>
|
||||
bool equal (FwdIt1 first1, FwdIt1 last1,
|
||||
FwdIt2 first2, FwdIt2 last2, Pred pred)
|
||||
{
|
||||
return std::detail::equal <
|
||||
typename std::add_lvalue_reference <Pred>::type> (
|
||||
first1, last1, first2, last2, pred,
|
||||
typename std::iterator_traits <
|
||||
FwdIt1>::iterator_category(),
|
||||
typename std::iterator_traits <
|
||||
FwdIt2>::iterator_category());
|
||||
}
|
||||
/** @} */
|
||||
|
||||
}
|
||||
|
||||
#endif
|
||||
44
beast/cxx14/config.h
Normal file
44
beast/cxx14/config.h
Normal file
@@ -0,0 +1,44 @@
|
||||
//------------------------------------------------------------------------------
|
||||
/*
|
||||
This file is part of Beast: https://github.com/vinniefalco/Beast
|
||||
Copyright 2013, Vinnie Falco <vinnie.falco@gmail.com>
|
||||
|
||||
Permission to use, copy, modify, and/or distribute this software for any
|
||||
purpose with or without fee is hereby granted, provided that the above
|
||||
copyright notice and this permission notice appear in all copies.
|
||||
|
||||
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
|
||||
WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
|
||||
MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
|
||||
ANY SPECIAL , DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
|
||||
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
|
||||
ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
|
||||
OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
||||
*/
|
||||
//==============================================================================
|
||||
|
||||
#ifndef BEAST_CXX14_CONFIG_H_INCLUDED
|
||||
#define BEAST_CXX14_CONFIG_H_INCLUDED
|
||||
|
||||
// Sets C++14 compatibility configuration macros based on build environment
|
||||
|
||||
// Disables beast c++14 compatibility additions when set to 1
|
||||
//
|
||||
#ifndef BEAST_NO_CXX14_COMPATIBILITY
|
||||
# ifdef _MSC_VER
|
||||
# define BEAST_NO_CXX14_COMPATIBILITY 1
|
||||
# else
|
||||
# define BEAST_NO_CXX14_COMPATIBILITY 0
|
||||
# endif
|
||||
#endif
|
||||
|
||||
// Disables beast's make_unique
|
||||
#ifndef BEAST_NO_CXX14_MAKE_UNIQUE
|
||||
# ifdef _MSC_VER
|
||||
# define BEAST_NO_CXX14_MAKE_UNIQUE 1
|
||||
# else
|
||||
# define BEAST_NO_CXX14_MAKE_UNIQUE 0
|
||||
# endif
|
||||
#endif
|
||||
|
||||
#endif
|
||||
53
beast/cxx14/functional.h
Normal file
53
beast/cxx14/functional.h
Normal file
@@ -0,0 +1,53 @@
|
||||
//------------------------------------------------------------------------------
|
||||
/*
|
||||
This file is part of Beast: https://github.com/vinniefalco/Beast
|
||||
Copyright 2013, Vinnie Falco <vinnie.falco@gmail.com>
|
||||
|
||||
Permission to use, copy, modify, and/or distribute this software for any
|
||||
purpose with or without fee is hereby granted, provided that the above
|
||||
copyright notice and this permission notice appear in all copies.
|
||||
|
||||
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
|
||||
WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
|
||||
MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
|
||||
ANY SPECIAL , DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
|
||||
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
|
||||
ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
|
||||
OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
||||
*/
|
||||
//==============================================================================
|
||||
|
||||
#ifndef BEAST_CXX14_FUNCTIONAL_H_INCLUDED
|
||||
#define BEAST_CXX14_FUNCTIONAL_H_INCLUDED
|
||||
|
||||
#include "config.h"
|
||||
|
||||
#include <functional>
|
||||
#include <type_traits>
|
||||
#include <utility>
|
||||
|
||||
#if ! BEAST_NO_CXX14_COMPATIBILITY
|
||||
|
||||
namespace std {
|
||||
|
||||
// C++14 implementation of std::equal_to <void> specialization.
|
||||
// This supports heterogeneous comparisons.
|
||||
template <>
|
||||
struct equal_to <void>
|
||||
{
|
||||
// VFALCO NOTE Its not clear how to support is_transparent pre c++14
|
||||
typedef std::true_type is_transparent;
|
||||
|
||||
template <class T, class U>
|
||||
auto operator() (T&& lhs, U&& rhs) const ->
|
||||
decltype (std::forward <T> (lhs) == std::forward <U> (rhs))
|
||||
{
|
||||
return std::forward <T> (lhs) == std::forward <U> (rhs);
|
||||
}
|
||||
};
|
||||
|
||||
}
|
||||
|
||||
#endif
|
||||
|
||||
#endif
|
||||
41
beast/cxx14/memory.h
Normal file
41
beast/cxx14/memory.h
Normal file
@@ -0,0 +1,41 @@
|
||||
//------------------------------------------------------------------------------
|
||||
/*
|
||||
This file is part of Beast: https://github.com/vinniefalco/Beast
|
||||
Copyright 2013, Vinnie Falco <vinnie.falco@gmail.com>
|
||||
|
||||
Permission to use, copy, modify, and/or distribute this software for any
|
||||
purpose with or without fee is hereby granted, provided that the above
|
||||
copyright notice and this permission notice appear in all copies.
|
||||
|
||||
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
|
||||
WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
|
||||
MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
|
||||
ANY SPECIAL , DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
|
||||
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
|
||||
ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
|
||||
OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
||||
*/
|
||||
//==============================================================================
|
||||
|
||||
#ifndef BEAST_CXX14_MEMORY_H_INCLUDED
|
||||
#define BEAST_CXX14_MEMORY_H_INCLUDED
|
||||
|
||||
#include "config.h"
|
||||
|
||||
#include <memory>
|
||||
|
||||
namespace std {
|
||||
|
||||
#if ! BEAST_NO_CXX14_MAKE_UNIQUE
|
||||
|
||||
template <class T, class... Args>
|
||||
std::unique_ptr <T> make_unique (Args&&... args)
|
||||
{
|
||||
return std::unique_ptr <T> (new T (std::forward <Args> (args)...));
|
||||
}
|
||||
|
||||
#endif
|
||||
|
||||
}
|
||||
|
||||
#endif
|
||||
147
beast/cxx14/type_traits.h
Normal file
147
beast/cxx14/type_traits.h
Normal file
@@ -0,0 +1,147 @@
|
||||
//------------------------------------------------------------------------------
|
||||
/*
|
||||
This file is part of Beast: https://github.com/vinniefalco/Beast
|
||||
Copyright 2013, Vinnie Falco <vinnie.falco@gmail.com>
|
||||
|
||||
Permission to use, copy, modify, and/or distribute this software for any
|
||||
purpose with or without fee is hereby granted, provided that the above
|
||||
copyright notice and this permission notice appear in all copies.
|
||||
|
||||
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
|
||||
WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
|
||||
MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
|
||||
ANY SPECIAL , DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
|
||||
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
|
||||
ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
|
||||
OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
||||
*/
|
||||
//==============================================================================
|
||||
|
||||
#ifndef BEAST_CXX14_TYPE_TRAITS_H_INCLUDED
|
||||
#define BEAST_CXX14_TYPE_TRAITS_H_INCLUDED
|
||||
|
||||
#include "config.h"
|
||||
|
||||
#include <tuple>
|
||||
#include <type_traits>
|
||||
#include <utility>
|
||||
|
||||
namespace std {
|
||||
|
||||
// Ideas from Howard Hinnant
|
||||
//
|
||||
// Specializations of is_constructible for pair and tuple which
|
||||
// work around an apparent defect in the standard that causes well
|
||||
// formed expressions involving pairs or tuples of non default-constructible
|
||||
// types to generate compile errors.
|
||||
//
|
||||
template <class T, class U>
|
||||
struct is_constructible <pair <T, U>>
|
||||
: integral_constant <bool,
|
||||
is_default_constructible <T>::value &&
|
||||
is_default_constructible <U>::value>
|
||||
{
|
||||
};
|
||||
|
||||
namespace detail {
|
||||
|
||||
template <bool...>
|
||||
struct compile_time_all;
|
||||
|
||||
template <>
|
||||
struct compile_time_all <>
|
||||
{
|
||||
static const bool value = true;
|
||||
};
|
||||
|
||||
template <bool Arg0, bool ... Argn>
|
||||
struct compile_time_all <Arg0, Argn...>
|
||||
{
|
||||
static const bool value =
|
||||
Arg0 && compile_time_all <Argn...>::value;
|
||||
};
|
||||
|
||||
}
|
||||
|
||||
template <class ...T>
|
||||
struct is_constructible <tuple <T...>>
|
||||
: integral_constant <bool,
|
||||
detail::compile_time_all <
|
||||
is_default_constructible <T>::value...>::value>
|
||||
{
|
||||
};
|
||||
|
||||
//------------------------------------------------------------------------------
|
||||
|
||||
#if ! BEAST_NO_CXX14_COMPATIBILITY
|
||||
|
||||
// From http://llvm.org/svn/llvm-project/libcxx/trunk/include/type_traits
|
||||
|
||||
// const-volatile modifications:
|
||||
template <class T>
|
||||
using remove_const_t = typename remove_const<T>::type; // C++14
|
||||
template <class T>
|
||||
using remove_volatile_t = typename remove_volatile<T>::type; // C++14
|
||||
template <class T>
|
||||
using remove_cv_t = typename remove_cv<T>::type; // C++14
|
||||
template <class T>
|
||||
using add_const_t = typename add_const<T>::type; // C++14
|
||||
template <class T>
|
||||
using add_volatile_t = typename add_volatile<T>::type; // C++14
|
||||
template <class T>
|
||||
using add_cv_t = typename add_cv<T>::type; // C++14
|
||||
|
||||
// reference modifications:
|
||||
template <class T>
|
||||
using remove_reference_t = typename remove_reference<T>::type; // C++14
|
||||
template <class T>
|
||||
using add_lvalue_reference_t = typename add_lvalue_reference<T>::type; // C++14
|
||||
template <class T>
|
||||
using add_rvalue_reference_t = typename add_rvalue_reference<T>::type; // C++14
|
||||
|
||||
// sign modifications:
|
||||
template <class T>
|
||||
using make_signed_t = typename make_signed<T>::type; // C++14
|
||||
template <class T>
|
||||
using make_unsigned_t = typename make_unsigned<T>::type; // C++14
|
||||
|
||||
// array modifications:
|
||||
template <class T>
|
||||
using remove_extent_t = typename remove_extent<T>::type; // C++14
|
||||
template <class T>
|
||||
using remove_all_extents_t = typename remove_all_extents<T>::type; // C++14
|
||||
|
||||
// pointer modifications:
|
||||
template <class T>
|
||||
using remove_pointer_t = typename remove_pointer<T>::type; // C++14
|
||||
template <class T>
|
||||
using add_pointer_t = typename add_pointer<T>::type; // C++14
|
||||
|
||||
// other transformations:
|
||||
|
||||
#if 0
|
||||
// This is not easy to implement in C++11
|
||||
template <size_t Len, std::size_t Align=std::alignment_of<max_align_t>::value>
|
||||
using aligned_storage_t = typename aligned_storage<Len,Align>::type; // C++14
|
||||
template <std::size_t Len, class... Types>
|
||||
using aligned_union_t = typename aligned_union<Len,Types...>::type; // C++14
|
||||
#endif
|
||||
|
||||
template <class T>
|
||||
using decay_t = typename decay<T>::type; // C++14
|
||||
template <bool b, class T=void>
|
||||
using enable_if_t = typename enable_if<b,T>::type; // C++14
|
||||
template <bool b, class T, class F>
|
||||
using conditional_t = typename conditional<b,T,F>::type; // C++14
|
||||
template <class... T>
|
||||
using common_type_t = typename common_type<T...>::type; // C++14
|
||||
template <class T>
|
||||
using underlying_type_t = typename underlying_type<T>::type; // C++14
|
||||
template <class F, class... ArgTypes>
|
||||
using result_of_t = typename result_of<F(ArgTypes...)>::type; // C++14
|
||||
|
||||
#endif
|
||||
|
||||
}
|
||||
|
||||
#endif
|
||||
Reference in New Issue
Block a user