File Coverage

/usr/local/lib/perl5/site_perl/5.26.1/XS/libboost/mini.x/i/boost/container/allocator_traits.hpp

Criterion	Covered	Total	%
statement	0	3	0.0
branch			n/a
condition			n/a
subroutine			n/a
pod			n/a
total	0	3	0.0

//////////////////////////////////////////////////////////////////////////////
//
// (C) Copyright Pablo Halpern 2009. 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)
//
//////////////////////////////////////////////////////////////////////////////
//
// (C) Copyright Ion Gaztanaga 2011-2013. 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)
//
// See http://www.boost.org/libs/container for documentation.
//
//////////////////////////////////////////////////////////////////////////////
#ifndef BOOST_CONTAINER_ALLOCATOR_ALLOCATOR_TRAITS_HPP
#define BOOST_CONTAINER_ALLOCATOR_ALLOCATOR_TRAITS_HPP

#ifndef BOOST_CONFIG_HPP
#  include
#endif

#if defined(BOOST_HAS_PRAGMA_ONCE)
#  pragma once
#endif

#include
#include

// container
#include
#include
#include   //is_empty
#include
#ifndef BOOST_CONTAINER_DETAIL_STD_FWD_HPP
#include
#endif
// intrusive
#include
#include
// move
#include
// move/detail
#if defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES)
#include
#endif
// other boost
#include

#ifndef BOOST_CONTAINER_DOXYGEN_INVOKED

#define BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_FUNCNAME allocate
#define BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_NS_BEG namespace boost { namespace container { namespace dtl {
#define BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_NS_END   }}}
#define BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_MIN 2
#define BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_MAX 2
#include

#define BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_FUNCNAME destroy
#define BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_NS_BEG namespace boost { namespace container { namespace dtl {
#define BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_NS_END   }}}
#define BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_MIN 1
#define BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_MAX 1
#include

#define BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_FUNCNAME construct
#define BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_NS_BEG namespace boost { namespace container { namespace dtl {
#define BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_NS_END   }}}
#define BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_MIN 1
#define BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_MAX 9
#include

#endif   //#ifndef BOOST_CONTAINER_DOXYGEN_INVOKED

namespace boost {
namespace container {

#ifndef BOOST_CONTAINER_DOXYGEN_INVOKED

template
class small_vector_allocator;

namespace allocator_traits_detail {

BOOST_INTRUSIVE_HAS_STATIC_MEMBER_FUNC_SIGNATURE(has_max_size, max_size)
BOOST_INTRUSIVE_HAS_STATIC_MEMBER_FUNC_SIGNATURE(has_select_on_container_copy_construction, select_on_container_copy_construction)

}  //namespace allocator_traits_detail {

namespace dtl {

//workaround needed for C++03 compilers with no construct()
//supporting rvalue references
template
struct is_std_allocator
{  static const bool value = false; };

template
struct is_std_allocator< std::allocator >
{  static const bool value = true; };

template
struct is_std_allocator< small_vector_allocator< std::allocator > >
{  static const bool value = true; };

template
struct is_not_std_allocator
{  static const bool value = !is_std_allocator::value; };

BOOST_INTRUSIVE_INSTANTIATE_DEFAULT_TYPE_TMPLT(pointer)
BOOST_INTRUSIVE_INSTANTIATE_EVAL_DEFAULT_TYPE_TMPLT(const_pointer)
BOOST_INTRUSIVE_INSTANTIATE_DEFAULT_TYPE_TMPLT(reference)
BOOST_INTRUSIVE_INSTANTIATE_DEFAULT_TYPE_TMPLT(const_reference)
BOOST_INTRUSIVE_INSTANTIATE_EVAL_DEFAULT_TYPE_TMPLT(void_pointer)
BOOST_INTRUSIVE_INSTANTIATE_EVAL_DEFAULT_TYPE_TMPLT(const_void_pointer)
BOOST_INTRUSIVE_INSTANTIATE_DEFAULT_TYPE_TMPLT(size_type)
BOOST_INTRUSIVE_INSTANTIATE_DEFAULT_TYPE_TMPLT(propagate_on_container_copy_assignment)
BOOST_INTRUSIVE_INSTANTIATE_DEFAULT_TYPE_TMPLT(propagate_on_container_move_assignment)
BOOST_INTRUSIVE_INSTANTIATE_DEFAULT_TYPE_TMPLT(propagate_on_container_swap)
BOOST_INTRUSIVE_INSTANTIATE_DEFAULT_TYPE_TMPLT(is_always_equal)
BOOST_INTRUSIVE_INSTANTIATE_DEFAULT_TYPE_TMPLT(difference_type)
BOOST_INTRUSIVE_INSTANTIATE_DEFAULT_TYPE_TMPLT(is_partially_propagable)

}  //namespace dtl {

#endif   //#ifndef BOOST_CONTAINER_DOXYGEN_INVOKED

//! The class template allocator_traits supplies a uniform interface to all allocator types.
//! This class is a C++03-compatible implementation of std::allocator_traits
template
struct allocator_traits
{
   //allocator_type
   typedef Allocator allocator_type;
   //value_type
   typedef typename allocator_type::value_type value_type;

   #if defined(BOOST_CONTAINER_DOXYGEN_INVOKED)
      //! Allocator::pointer if such a type exists; otherwise, value_type*
      //!
      typedef unspecified pointer;
      //! Allocator::const_pointer if such a type exists ; otherwise, pointer_traits::rebind
      //!
      typedef see_documentation const_pointer;
      //! Non-standard extension
      //! Allocator::reference if such a type exists; otherwise, value_type&
      typedef see_documentation reference;
      //! Non-standard extension
      //! Allocator::const_reference if such a type exists ; otherwise, const value_type&
      typedef see_documentation const_reference;
      //! Allocator::void_pointer if such a type exists ; otherwise, pointer_traits::rebind.
      //!
      typedef see_documentation void_pointer;
      //! Allocator::const_void_pointer if such a type exists ; otherwise, pointer_traits::rebind
      //!
      typedef see_documentation const_void_pointer;
      //! Allocator::difference_type if such a type exists ; otherwise, pointer_traits::difference_type.
      //!
      typedef see_documentation difference_type;
      //! Allocator::size_type if such a type exists ; otherwise, make_unsigned::type
      //!
      typedef see_documentation size_type;
      //! Allocator::propagate_on_container_copy_assignment if such a type exists, otherwise a type
      //! with an internal constant static boolean member value == false.
      typedef see_documentation propagate_on_container_copy_assignment;
      //! Allocator::propagate_on_container_move_assignment if such a type exists, otherwise a type
      //! with an internal constant static boolean member value == false.
      typedef see_documentation propagate_on_container_move_assignment;
      //! Allocator::propagate_on_container_swap if such a type exists, otherwise a type
      //! with an internal constant static boolean member value == false.
      typedef see_documentation propagate_on_container_swap;
      //! Allocator::is_always_equal if such a type exists, otherwise a type
      //! with an internal constant static boolean member value == is_empty::value
      typedef see_documentation is_always_equal;
      //! Allocator::is_partially_propagable if such a type exists, otherwise a type
      //! with an internal constant static boolean member value == false
      //! Note: Non-standard extension used to implement `small_vector_allocator`.
      typedef see_documentation is_partially_propagable;
      //! Defines an allocator: Allocator::rebind::other if such a type exists; otherwise, Allocator
      //! if Allocator is a class template instantiation of the form Allocator, where Args is zero or
      //! more type arguments ; otherwise, the instantiation of rebind_alloc is ill-formed.
      //!
      //! In C++03 compilers rebind_alloc is a struct derived from an allocator
      //! deduced by previously detailed rules.
      template  using rebind_alloc = see_documentation;

      //! In C++03 compilers rebind_traits is a struct derived from
      //! allocator_traits, where OtherAlloc is
      //! the allocator deduced by rules explained in rebind_alloc.
      template  using rebind_traits = allocator_traits >;

      //! Non-standard extension: Portable allocator rebind for C++03 and C++11 compilers.
      //! type is an allocator related to Allocator deduced deduced by rules explained in rebind_alloc.
      template
      struct portable_rebind_alloc
      {  typedef see_documentation type;  };
   #else
      //pointer
      typedef BOOST_INTRUSIVE_OBTAIN_TYPE_WITH_DEFAULT(boost::container::dtl::, Allocator,
         pointer, value_type*)
            pointer;
      //const_pointer
      typedef BOOST_INTRUSIVE_OBTAIN_TYPE_WITH_EVAL_DEFAULT(boost::container::dtl::, Allocator,
         const_pointer, typename boost::intrusive::pointer_traits::template
            rebind_pointer)
               const_pointer;
      //reference
      typedef BOOST_INTRUSIVE_OBTAIN_TYPE_WITH_DEFAULT(boost::container::dtl::, Allocator,
         reference, typename dtl::unvoid_ref::type)
            reference;
      //const_reference
      typedef BOOST_INTRUSIVE_OBTAIN_TYPE_WITH_DEFAULT(boost::container::dtl::, Allocator,
         const_reference, typename dtl::unvoid_ref::type)
               const_reference;
      //void_pointer
      typedef BOOST_INTRUSIVE_OBTAIN_TYPE_WITH_EVAL_DEFAULT(boost::container::dtl::, Allocator,
         void_pointer, typename boost::intrusive::pointer_traits::template
            rebind_pointer)
               void_pointer;
      //const_void_pointer
      typedef BOOST_INTRUSIVE_OBTAIN_TYPE_WITH_EVAL_DEFAULT(boost::container::dtl::, Allocator,
         const_void_pointer, typename boost::intrusive::pointer_traits::template
            rebind_pointer)
               const_void_pointer;
      //difference_type
      typedef BOOST_INTRUSIVE_OBTAIN_TYPE_WITH_DEFAULT(boost::container::dtl::, Allocator,
         difference_type, std::ptrdiff_t)
            difference_type;
      //size_type
      typedef BOOST_INTRUSIVE_OBTAIN_TYPE_WITH_DEFAULT(boost::container::dtl::, Allocator,
         size_type, std::size_t)
            size_type;
      //propagate_on_container_copy_assignment
      typedef BOOST_INTRUSIVE_OBTAIN_TYPE_WITH_DEFAULT(boost::container::dtl::, Allocator,
         propagate_on_container_copy_assignment, dtl::false_type)
            propagate_on_container_copy_assignment;
      //propagate_on_container_move_assignment
      typedef BOOST_INTRUSIVE_OBTAIN_TYPE_WITH_DEFAULT(boost::container::dtl::, Allocator,
         propagate_on_container_move_assignment, dtl::false_type)
            propagate_on_container_move_assignment;
      //propagate_on_container_swap
      typedef BOOST_INTRUSIVE_OBTAIN_TYPE_WITH_DEFAULT(boost::container::dtl::, Allocator,
         propagate_on_container_swap, dtl::false_type)
            propagate_on_container_swap;
      //is_always_equal
      typedef BOOST_INTRUSIVE_OBTAIN_TYPE_WITH_DEFAULT(boost::container::dtl::, Allocator,
         is_always_equal, dtl::is_empty)
            is_always_equal;
      //is_partially_propagable
      typedef BOOST_INTRUSIVE_OBTAIN_TYPE_WITH_DEFAULT(boost::container::dtl::, Allocator,
         is_partially_propagable, dtl::false_type)
            is_partially_propagable;

      //rebind_alloc & rebind_traits
      #if !defined(BOOST_NO_CXX11_TEMPLATE_ALIASES)
         //C++11
         template  using rebind_alloc  = typename boost::intrusive::pointer_rebind::type;
         template  using rebind_traits = allocator_traits< rebind_alloc >;
      #else    // #if !defined(BOOST_NO_CXX11_TEMPLATE_ALIASES)
         //Some workaround for C++03 or C++11 compilers with no template aliases
         template
         struct rebind_alloc : boost::intrusive::pointer_rebind::type
         {
            typedef typename boost::intrusive::pointer_rebind::type Base;
            #if !defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES)
               template
               rebind_alloc(BOOST_FWD_REF(Args)... args) : Base(boost::forward(args)...) {}
            #else    // #if !defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES)
               #define BOOST_CONTAINER_ALLOCATOR_TRAITS_REBIND_ALLOC(N) \
               BOOST_MOVE_TMPL_LT##N BOOST_MOVE_CLASS##N BOOST_MOVE_GT##N\
               explicit rebind_alloc(BOOST_MOVE_UREF##N) : Base(BOOST_MOVE_FWD##N){}\
               //
               BOOST_MOVE_ITERATE_0TO9(BOOST_CONTAINER_ALLOCATOR_TRAITS_REBIND_ALLOC)
               #undef BOOST_CONTAINER_ALLOCATOR_TRAITS_REBIND_ALLOC
            #endif   // #if !defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES)
         };

         template
         struct rebind_traits
            : allocator_traits::type>
         {};
      #endif   // #if !defined(BOOST_NO_CXX11_TEMPLATE_ALIASES)

      //portable_rebind_alloc
      template
      struct portable_rebind_alloc
      {  typedef typename boost::intrusive::pointer_rebind::type type;  };
   #endif   //BOOST_CONTAINER_DOXYGEN_INVOKED

   //! Returns: a.allocate(n)
   //!
   BOOST_CONTAINER_FORCEINLINE static pointer allocate(Allocator &a, size_type n)
   {  return a.allocate(n);  }

   //! Returns: a.deallocate(p, n)
   //!
   //! Throws: Nothing
   BOOST_CONTAINER_FORCEINLINE static void deallocate(Allocator &a, pointer p, size_type n)
   {  a.deallocate(p, n);  }

   //! Effects: calls a.allocate(n, p) if that call is well-formed;
   //! otherwise, invokes a.allocate(n)
   BOOST_CONTAINER_FORCEINLINE static pointer allocate(Allocator &a, size_type n, const_void_pointer p)
   {
      const bool value = boost::container::dtl::
         has_member_function_callable_with_allocate
            ::value;
      dtl::bool_ flag;
      return allocator_traits::priv_allocate(flag, a, n, p);
   }

   //! Effects: calls a.destroy(p) if that call is well-formed;
   //! otherwise, invokes p->~T().
   template
   BOOST_CONTAINER_FORCEINLINE static void destroy(Allocator &a, T*p) BOOST_NOEXCEPT_OR_NOTHROW
   {
      typedef T* destroy_pointer;
      const bool value = boost::container::dtl::
         has_member_function_callable_with_destroy
            ::value;
      dtl::bool_ flag;
      allocator_traits::priv_destroy(flag, a, p);
   }

   //! Returns: a.max_size() if that expression is well-formed; otherwise,
   //! numeric_limits::max().
   BOOST_CONTAINER_FORCEINLINE static size_type max_size(const Allocator &a) BOOST_NOEXCEPT_OR_NOTHROW
   {
      const bool value = allocator_traits_detail::has_max_size::value;
      dtl::bool_ flag;
      return allocator_traits::priv_max_size(flag, a);
   }

   //! Returns: a.select_on_container_copy_construction() if that expression is well-formed;
   //! otherwise, a.
   BOOST_CONTAINER_FORCEINLINE static BOOST_CONTAINER_DOC1ST(Allocator,
      typename dtl::if_c
         < allocator_traits_detail::has_select_on_container_copy_construction::value
         BOOST_MOVE_I Allocator BOOST_MOVE_I const Allocator & >::type)
   select_on_container_copy_construction(const Allocator &a)
   {
      const bool value = allocator_traits_detail::has_select_on_container_copy_construction
         ::value;
      dtl::bool_ flag;
      return allocator_traits::priv_select_on_container_copy_construction(flag, a);
   }

   #if !defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES) || defined(BOOST_CONTAINER_DOXYGEN_INVOKED)
      //! Effects: calls a.construct(p, std::forward(args)...) if that call is well-formed;
      //! otherwise, invokes `placement new` (static_cast(p)) T(std::forward(args)...)
      template
      BOOST_CONTAINER_FORCEINLINE static void construct(Allocator & a, T* p, BOOST_FWD_REF(Args)... args)
      {
         static const bool value = ::boost::move_detail::and_
            < dtl::is_not_std_allocator
            , boost::container::dtl::has_member_function_callable_with_construct
                  < Allocator, T*, Args... >
            >::value;
         dtl::bool_ flag;
         allocator_traits::priv_construct(flag, a, p, ::boost::forward(args)...);
      }
   #endif

   //! Returns: a.storage_is_unpropagable(p) if is_partially_propagable::value is true; otherwise,
   //! false.
   BOOST_CONTAINER_FORCEINLINE static bool storage_is_unpropagable(const Allocator &a, pointer p) BOOST_NOEXCEPT_OR_NOTHROW
   {
      dtl::bool_ flag;
      return allocator_traits::priv_storage_is_unpropagable(flag, a, p);
   }

   //! Returns: true if is_always_equal::value == true, otherwise,
   //! a == b.
   BOOST_CONTAINER_FORCEINLINE static bool equal(const Allocator &a, const Allocator &b) BOOST_NOEXCEPT_OR_NOTHROW
   {
      dtl::bool_ flag;
      return allocator_traits::priv_equal(flag, a, b);
   }

   #if !defined(BOOST_CONTAINER_DOXYGEN_INVOKED)
   private:
   BOOST_CONTAINER_FORCEINLINE static pointer priv_allocate(dtl::true_type, Allocator &a, size_type n, const_void_pointer p)
   {  return a.allocate(n, p);  }

   BOOST_CONTAINER_FORCEINLINE static pointer priv_allocate(dtl::false_type, Allocator &a, size_type n, const_void_pointer)
   {  return a.allocate(n);  }

   template
   BOOST_CONTAINER_FORCEINLINE static void priv_destroy(dtl::true_type, Allocator &a, T* p) BOOST_NOEXCEPT_OR_NOTHROW
   {  a.destroy(p);  }

   template
   BOOST_CONTAINER_FORCEINLINE static void priv_destroy(dtl::false_type, Allocator &, T* p) BOOST_NOEXCEPT_OR_NOTHROW
   {  p->~T(); (void)p;  }

   BOOST_CONTAINER_FORCEINLINE static size_type priv_max_size(dtl::true_type, const Allocator &a) BOOST_NOEXCEPT_OR_NOTHROW
   {  return a.max_size();  }

   BOOST_CONTAINER_FORCEINLINE static size_type priv_max_size(dtl::false_type, const Allocator &) BOOST_NOEXCEPT_OR_NOTHROW
   {  return size_type(-1)/sizeof(value_type);  }

   BOOST_CONTAINER_FORCEINLINE static Allocator priv_select_on_container_copy_construction(dtl::true_type, const Allocator &a)
   {  return a.select_on_container_copy_construction();  }

   BOOST_CONTAINER_FORCEINLINE static const Allocator &priv_select_on_container_copy_construction(dtl::false_type, const Allocator &a) BOOST_NOEXCEPT_OR_NOTHROW
   {  return a;  }

   #if !defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES)
      template
      BOOST_CONTAINER_FORCEINLINE static void priv_construct(dtl::true_type, Allocator &a, T *p, BOOST_FWD_REF(Args) ...args)
      {  a.construct( p, ::boost::forward(args)...);  }

      template
      BOOST_CONTAINER_FORCEINLINE static void priv_construct(dtl::false_type, Allocator &, T *p, BOOST_FWD_REF(Args) ...args)
      {  ::new((void*)p, boost_container_new_t()) T(::boost::forward(args)...); }
   #else // #if !defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES)
      public:

      #define BOOST_CONTAINER_ALLOCATOR_TRAITS_CONSTRUCT_IMPL(N) \
      template\
      BOOST_CONTAINER_FORCEINLINE static void construct(Allocator &a, T *p BOOST_MOVE_I##N BOOST_MOVE_UREF##N)\
      {\
         static const bool value = ::boost::move_detail::and_ \
            < dtl::is_not_std_allocator \
            , boost::container::dtl::has_member_function_callable_with_construct \
                  < Allocator, T* BOOST_MOVE_I##N BOOST_MOVE_FWD_T##N > \
            >::value; \
         dtl::bool_ flag;\
         (priv_construct)(flag, a, p BOOST_MOVE_I##N BOOST_MOVE_FWD##N);\
      }\
      //
      BOOST_MOVE_ITERATE_0TO8(BOOST_CONTAINER_ALLOCATOR_TRAITS_CONSTRUCT_IMPL)
      #undef BOOST_CONTAINER_ALLOCATOR_TRAITS_CONSTRUCT_IMPL

      private:
      /////////////////////////////////
      // priv_construct
      /////////////////////////////////
      #define BOOST_CONTAINER_ALLOCATOR_TRAITS_PRIV_CONSTRUCT_IMPL(N) \
      template\
      BOOST_CONTAINER_FORCEINLINE static void priv_construct(dtl::true_type, Allocator &a, T *p BOOST_MOVE_I##N BOOST_MOVE_UREF##N)\
      {  a.construct( p BOOST_MOVE_I##N BOOST_MOVE_FWD##N );  }\
      \
      template\
      BOOST_CONTAINER_FORCEINLINE static void priv_construct(dtl::false_type, Allocator &, T *p BOOST_MOVE_I##N BOOST_MOVE_UREF##N)\
      {  ::new((void*)p, boost_container_new_t()) T(BOOST_MOVE_FWD##N); }\
      //
      BOOST_MOVE_ITERATE_0TO8(BOOST_CONTAINER_ALLOCATOR_TRAITS_PRIV_CONSTRUCT_IMPL)
      #undef BOOST_CONTAINER_ALLOCATOR_TRAITS_PRIV_CONSTRUCT_IMPL

   #endif   // #if !defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES)

   template
   BOOST_CONTAINER_FORCEINLINE static void priv_construct(dtl::false_type, Allocator &, T *p, const ::boost::container::default_init_t&)
   {  ::new((void*)p, boost_container_new_t()) T; }

   BOOST_CONTAINER_FORCEINLINE static bool priv_storage_is_unpropagable(dtl::true_type, const Allocator &a, pointer p)
   {  return a.storage_is_unpropagable(p);  }

   BOOST_CONTAINER_FORCEINLINE static bool priv_storage_is_unpropagable(dtl::false_type, const Allocator &, pointer)
   {  return false;  }

   BOOST_CONTAINER_FORCEINLINE static bool priv_equal(dtl::true_type,  const Allocator &, const Allocator &)
   {  return true;  }

   BOOST_CONTAINER_FORCEINLINE static bool priv_equal(dtl::false_type, const Allocator &a, const Allocator &b)
   {  return a == b;  }

   #endif   //#if defined(BOOST_CONTAINER_DOXYGEN_INVOKED)
};

}  //namespace container {
}  //namespace boost {

#include

#endif // ! defined(BOOST_CONTAINER_ALLOCATOR_ALLOCATOR_TRAITS_HPP)