diff options
Diffstat (limited to 'stlport/type_traits')
| -rw-r--r-- | stlport/type_traits | 810 |
1 files changed, 0 insertions, 810 deletions
diff --git a/stlport/type_traits b/stlport/type_traits deleted file mode 100644 index 94bab0c..0000000 --- a/stlport/type_traits +++ /dev/null @@ -1,810 +0,0 @@ -// -*- C++ -*- Time-stamp: <08/07/20 19:10:15 ptr> - -/* - * Copyright (c) 2007, 2008 - * Petr Ovtchenkov - * - * Licensed under the Academic Free License version 3.0 - * - * Derived from original <misc/type_traits.h> of 'complement' project - * [http://complement.sourceforge.net] - * to make it close to JTC1/SC22/WG21 C++ 0x working draft - * [http://www.open-std.org/Jtc1/sc22/wg21/docs/papers/2008/n2521.pdf] - */ - -#ifndef __STLP_TYPE_TRAITS -#define __STLP_TYPE_TRAITS - -#ifndef _STLP_OUTERMOST_HEADER_ID -# define _STLP_OUTERMOST_HEADER_ID 0x3 -# include <stl/_prolog.h> -#endif - -#include <stl/_cstddef.h> // for std::size_t - -// libstdc++ v3, timestamp 20050519 (3.4.4) has __type_traits, -// libstdc++ v3, timestamp 20060306 (3.4.6) has __type_traits, -// while libstdc++ v3, 20050921 (4.0.2) not; use libstdc++ instead -// # if defined(STLPORT) || (defined(__GNUC__) && (__GNUC__ < 4)) /* !defined(__GLIBCXX__) || (defined(__GNUC__) && (__GNUC__ < 4)) */ - -_STLP_BEGIN_NAMESPACE - -_STLP_BEGIN_TR1_NAMESPACE - -namespace detail { - -struct __select_types -{ - typedef char __t1; - struct __t2 - { - char __two[2]; - }; -}; - -template <class _Tp> -struct __instance : - public __select_types -{ - private: - template <class _Up> - static __t1 __test(_Up(*)[1]); - - template <class> - static __t2 __test(...); - - public: -#ifdef _STLP_STATIC_CONST_INIT_BUG - static const bool __value; -#else - static const bool __value = sizeof(__test<_Tp>(0)) == sizeof(__select_types::__t1); -#endif - -}; - -#ifdef _STLP_STATIC_CONST_INIT_BUG -template <class _Tp> -const bool __instance<_Tp>::__value = sizeof(__instance<_Tp>::__test<_Tp>(0)) == sizeof(__select_types::__t1); -#endif - -template <class T> -struct __uoc_aux : // union or class - public __select_types -{ - private: - template <class _Up> - static __t1 __test( int _Up::* ); - - template <class> - static __t2 __test(...); - - public: -#ifdef __FIT_NO_INLINE_TEMPLATE_STATIC_INITIALISATION - static const bool __value; -#else - static const bool __value = sizeof(__test<T>(0)) == sizeof(__select_types::__t1); -#endif -}; - -#ifdef __FIT_NO_INLINE_TEMPLATE_STATIC_INITIALISATION -template <class T> -const bool __uoc_aux<T>::__value = sizeof(__uoc_aux<T>::__test<T>(0)) == sizeof(__select_types::__t1); -#endif - -template <class T> -class __empty -{ }; - -template <class T, bool B> -class __inheritance_aux -{}; - -template <class T> -class __inheritance_aux<T,true> : - public T -{ - public: - virtual ~__inheritance_aux() - { } -}; - -#if 0 -template <class T, bool B> -struct __virtual_aux -{ - public: -#ifdef _STLP_STATIC_CONST_INIT_BUG - static const bool __value; -#else - static const bool __value = B ? (sizeof(__inheritance_aux<T,B>) == sizeof(T)) : false; -#endif -}; - -#ifdef _STLP_STATIC_CONST_INIT_BUG -template <class T, bool B> -const bool __virtual_aux<T,B>::__value = B ? (sizeof(__inheritance_aux<T,B>) == sizeof(T)) : false; -#endif -#endif - -} // namespace detail - -template <class _Tp, _Tp __v> -struct integral_constant -{ - static const _Tp value = __v; - // enum { value = __v }; ? - - typedef _Tp value_type; - typedef integral_constant<_Tp, __v> type; -}; - -typedef integral_constant<bool, true> true_type; -typedef integral_constant<bool, false> false_type; - -namespace detail { - -template <typename _Tp> -struct __is_union_or_class : - public integral_constant<bool, __uoc_aux<_Tp>::__value> -{ }; - -#if 0 -template<typename _Tp> -struct __is_vtbl : // has virtual table? - public integral_constant<bool, __virtual_aux<_Tp,__is_union_or_class<_Tp>::value >::__value> -{ }; -#endif - -template <typename _Tp> -struct __is_vtbl : // has virtual table? - public integral_constant<bool, __is_union_or_class<_Tp>::value ? (sizeof(__inheritance_aux<_Tp,__is_union_or_class<_Tp>::value>) == sizeof(_Tp)) : false > -{ }; - -} // namespace detail - -#define __SPEC_(C,T,B) \ -template <> \ -struct C<T> : \ - public integral_constant<bool, B> \ -{ } - -#define __CV_SPEC(C,T,B) \ -__SPEC_(C,T,B); \ -__SPEC_(C,const T,B); \ -__SPEC_(C,volatile T,B); \ -__SPEC_(C,const volatile T,B) - -#define __SPEC_1(C,T,B) \ -template <class _Tp> \ -struct C<T> : \ - public integral_constant<bool, B> \ -{ } - -#define __CV_SPEC_1(C,T,B) \ -__SPEC_1(C,T,B); \ -__SPEC_1(C,T const,B); \ -__SPEC_1(C,T volatile,B); \ -__SPEC_1(C,T const volatile,B) - -#define __SPEC_2(C,T,B) \ -template <class _Tp1, class _Tp2> \ -struct C<T> : \ - public integral_constant<bool, B> \ -{ } - -#define __CV_SPEC_2(C,T,B) \ -__SPEC_2(C,T,B); \ -__SPEC_2(C,T const,B); \ -__SPEC_2(C,T volatile,B); \ -__SPEC_2(C,T const volatile,B) - -// [4.5.1] primary type categories: - -template <class _Tp> -struct is_void : - public false_type -{ }; - -template <> -struct is_void<void> : - public true_type -{ }; - -template <class _Tp> -struct is_integral : - public false_type -{ }; - -__CV_SPEC(is_integral,bool,true); -__CV_SPEC(is_integral,char,true); -__CV_SPEC(is_integral,signed char,true); -__CV_SPEC(is_integral,unsigned char,true); -__CV_SPEC(is_integral,wchar_t,true); -__CV_SPEC(is_integral,short,true); -__CV_SPEC(is_integral,unsigned short,true); -__CV_SPEC(is_integral,int,true); -__CV_SPEC(is_integral,unsigned int,true); -__CV_SPEC(is_integral,long,true); -__CV_SPEC(is_integral,unsigned long,true); -__CV_SPEC(is_integral,long long,true); -__CV_SPEC(is_integral,unsigned long long,true); - -template <class _Tp> -struct is_floating_point : - public false_type -{ }; - -__CV_SPEC(is_floating_point,float,true); -__CV_SPEC(is_floating_point,double,true); -__CV_SPEC(is_floating_point,long double,true); - -template <class _Tp> -struct is_array : - public false_type -{ }; - -template <class _Tp, std::size_t _Sz> -struct is_array<_Tp[_Sz]> : - public true_type -{ }; - -template <class _Tp> -struct is_array<_Tp[]> : - public true_type -{ }; - -template <class _Tp> -struct is_pointer : - public false_type -{ }; - -__CV_SPEC_1(is_pointer,_Tp *,true); - -template <class _Tp> -struct is_lvalue_reference : - public false_type -{ }; - -template <class _Tp> -struct is_lvalue_reference<_Tp&> : - public true_type -{ }; - -template <class _Tp> -struct is_rvalue_reference : - public false_type -{ }; - -// template <class _Tp> -// struct is_rvalue_reference<_Tp&&> : -// public true_type -// { }; - -template <class _Tp> -struct is_reference : - public false_type -{ }; - -template <class _Tp> -struct is_reference<_Tp&> : - public true_type -{ }; - -template <class _Tp> -struct is_function : - public integral_constant<bool, !(detail::__instance<_Tp>::__value - || detail::__is_union_or_class<_Tp>::value - || is_reference<_Tp>::value - || is_void<_Tp>::value)> -{ }; - -template <class _Tp> -struct is_member_object_pointer : - public false_type -{ }; - -// _SPEC_FULL2(is_member_object_pointer, _Tp1 _Tp2::*,!is_function<_Tp1>::value); - -template <class _Tp1, class _Tp2> -struct is_member_object_pointer<_Tp1 _Tp2::*> : - public integral_constant<bool, !is_function<_Tp1>::value> -{ }; - -template <class _Tp1, class _Tp2> -struct is_member_object_pointer<_Tp1 _Tp2::* const> : - public integral_constant<bool, !is_function<_Tp1>::value> -{ }; - -template <class _Tp1, class _Tp2> -struct is_member_object_pointer<_Tp1 _Tp2::* volatile> : - public integral_constant<bool, !is_function<_Tp1>::value> -{ }; - -template <class _Tp1, class _Tp2> -struct is_member_object_pointer<_Tp1 _Tp2::* const volatile> : - public integral_constant<bool, !is_function<_Tp1>::value> -{ }; - -template <class _Tp> -struct is_member_function_pointer : - public false_type -{ }; - -// _SPEC_FULL2(is_member_function_pointer,_Tp1 _Tp2::*,is_function<_Tp1>::value); - -template <class _Tp1, class _Tp2> -struct is_member_function_pointer<_Tp1 _Tp2::*> : - public integral_constant<bool, is_function<_Tp1>::value> -{ }; - -template <class _Tp1, class _Tp2> -struct is_member_function_pointer<_Tp1 _Tp2::* const> : - public integral_constant<bool, is_function<_Tp1>::value> -{ }; - -template <class _Tp1, class _Tp2> -struct is_member_function_pointer<_Tp1 _Tp2::* volatile> : - public integral_constant<bool, is_function<_Tp1>::value> -{ }; - -template <class _Tp1, class _Tp2> -struct is_member_function_pointer<_Tp1 _Tp2::* const volatile> : - public integral_constant<bool, is_function<_Tp1>::value> -{ }; - -template <class _Tp> -struct is_member_pointer : - public integral_constant<bool, (is_member_object_pointer<_Tp>::value || is_member_function_pointer<_Tp>::value)> -{ }; - -// 4.5.2 composite type categories - -template <class _Tp> -struct is_arithmetic : - public integral_constant<bool, (is_integral<_Tp>::value || is_floating_point<_Tp>::value)> -{ }; - -template <class _Tp> -struct is_fundamental : - public integral_constant<bool, (is_arithmetic<_Tp>::value || is_void<_Tp>::value)> -{ }; - -// [4.5.1] primary type categories (continued): - -template <class _Tp> -struct is_enum : - public integral_constant<bool, !(is_fundamental<_Tp>::value - || is_array<_Tp>::value - || is_pointer<_Tp>::value - || is_reference<_Tp>::value - || is_member_pointer<_Tp>::value - || is_function<_Tp>::value - || detail::__is_union_or_class<_Tp>::value) > -{ }; - -template <class T> -struct is_union -{ }; - -template <class T> -struct is_class -{ }; - -// is_function (above) - -// 4.5.2 composite type categories (continued) - -// is_arithmetic (above) -// is_fundamental (above) - -template <class _Tp> -struct is_object : - public integral_constant<bool, (is_arithmetic<_Tp>::value || - is_array<_Tp>::value || - is_pointer<_Tp>::value || - is_member_pointer<_Tp>::value || - detail::__is_union_or_class<_Tp>::value)> -{ }; - -template <class _Tp> -struct is_scalar : - public integral_constant<bool, (is_arithmetic<_Tp>::value - || is_enum<_Tp>::value - || is_pointer<_Tp>::value - || is_member_pointer<_Tp>::value)> -{ }; - -template <class _Tp> -struct is_compound : - public integral_constant<bool, !is_fundamental<_Tp>::value> -{ }; - -// is_member_pointer - -// 4.5.3 type properties: - -template <class _Tp> -struct is_const : - public false_type -{ }; - -template <class _Tp> -struct is_const<_Tp const> : - public true_type -{ }; - -template <class _Tp> -struct is_volatile : - public false_type -{ }; - -template <class _Tp> -struct is_volatile<_Tp volatile> : - public true_type -{ }; - - -// 4.7.3 array modifications: - -template <class _Tp> -struct remove_extent -{ - typedef _Tp type; -}; - -template <class _Tp, std::size_t _Sz> -struct remove_extent<_Tp[_Sz]> -{ - typedef _Tp type; -}; - -template <class _Tp> -struct remove_extent<_Tp[]> -{ - typedef _Tp type; -}; - -template <class _Tp> -struct remove_all_extents -{ - typedef _Tp type; -}; - -template <class _Tp, std::size_t _Size> -struct remove_all_extents<_Tp[_Size]> -{ - typedef typename remove_all_extents<_Tp>::type type; -}; - -template<typename _Tp> -struct remove_all_extents<_Tp[]> -{ - typedef typename remove_all_extents<_Tp>::type type; -}; - -// 4.5.3 type properties (continued): - -template <class _Tp> -struct is_trivial : - public integral_constant<bool, (is_void<_Tp>::value - || is_scalar<typename remove_all_extents<_Tp>::type>::value)> -{ }; - -template <class _Tp> -struct is_standard_layout : - public integral_constant<bool, (is_void<_Tp>::value - || is_scalar<typename remove_all_extents<_Tp>::type>::value)> -{ }; - -template <class _Tp> -struct is_pod : - public integral_constant<bool, (is_void<_Tp>::value - || is_scalar<typename remove_all_extents<_Tp>::type>::value)> -{ }; - -template<typename _Tp> -struct is_empty - : public integral_constant<bool, (detail::__is_union_or_class<_Tp>::value - && (sizeof(detail::__empty<_Tp>) == sizeof(_Tp)))> -{ }; - -// is_polimorphic -// is_abstract - -template <class _Tp> -struct has_trivial_constructor : - public integral_constant<bool, is_pod<_Tp>::value> -{ }; - -template <class _Tp> -struct has_trivial_copy : - public integral_constant<bool, is_pod<_Tp>::value> -{ }; - -template <class _Tp> -struct has_trivial_assign : - public integral_constant<bool, is_pod<_Tp>::value> -{ }; - -template <class _Tp> -struct has_trivial_destructor : - public integral_constant<bool, is_pod<_Tp>::value> -{ }; - -template <class _Tp> -struct has_nothrow_constructor : - public integral_constant<bool, is_pod<_Tp>::value> -{ }; - -template <class _Tp> -struct has_nothrow_copy : - public integral_constant<bool, is_pod<_Tp>::value> -{ }; - -template <class _Tp> -struct has_nothrow_assign : - public integral_constant<bool, is_pod<_Tp>::value> -{ }; - -template <class _Tp> -struct has_virtual_destructor : - public false_type -{ }; - -template <class _Tp> -struct is_signed : - public false_type -{ }; - -__CV_SPEC(is_signed,signed char,true); -__CV_SPEC(is_signed,short,true); -__CV_SPEC(is_signed,int,true); -__CV_SPEC(is_signed,long,true); -__CV_SPEC(is_signed,long long,true); - -template <class _Tp> -struct is_unsigned : - public false_type -{ }; - -__CV_SPEC(is_unsigned,unsigned char,true); -__CV_SPEC(is_unsigned,unsigned short,true); -__CV_SPEC(is_unsigned,unsigned int,true); -__CV_SPEC(is_unsigned,unsigned long,true); -__CV_SPEC(is_unsigned,unsigned long long,true); - -// alignment_of -// rank -// extent - -// 4.6 type relations: - -template <class _Tp1, class _Tp2> -struct is_same : - public false_type -{ }; - -template <class _Tp> -struct is_same<_Tp, _Tp> : - public true_type -{ }; - -// is_base_of -// is_convertible - -// 4.7.1 const-volatile modifications - -template <class _Tp> -struct remove_const -{ - typedef _Tp type; -}; - -template <class _Tp> -struct remove_const<_Tp const> -{ - typedef _Tp type; -}; - -template <class _Tp> -struct remove_volatile -{ - typedef _Tp type; -}; - -template <class _Tp> -struct remove_volatile<_Tp volatile> -{ - typedef _Tp type; -}; - -template <class _Tp> -struct remove_cv -{ - typedef typename remove_const<typename remove_volatile<_Tp>::type>::type type; -}; - -template <class _Tp> -struct add_const -{ - typedef _Tp const type; -}; - -template <class _Tp> -struct add_volatile -{ - typedef _Tp volatile type; -}; - -template <class _Tp> -struct add_cv -{ - typedef typename add_const<typename add_volatile<_Tp>::type>::type type; -}; - -// 4.7.2 reference modifications: - -template <class _Tp> -struct remove_reference -{ - typedef _Tp type; -}; - -template <class _Tp> -struct remove_reference<_Tp&> -{ - typedef _Tp type; -}; - -#if __cplusplus >= 201103L -// This shouldn't be in tr1 but was added here anyways since the existing remove_reference is in -// tr1. -template <class _Tp> -struct remove_reference<_Tp&&> -{ - typedef _Tp type; -}; -#endif - -template <class _Tp> -struct add_reference -{ - typedef _Tp& type; -}; - -template <class _Tp> -struct add_reference<_Tp&> -{ - typedef _Tp& type; -}; - -// 4.7.3 array modifications (see above) - -// 4.7.4 pointer modifications: - -template <class _Tp> -struct remove_pointer -{ - typedef _Tp type; -}; - -template <class _Tp> -struct remove_pointer<_Tp *> -{ - typedef _Tp type; -}; - -template <class _Tp> -struct remove_pointer<_Tp * const> -{ - typedef _Tp type; -}; - -template <class _Tp> -struct remove_pointer<_Tp * volatile> -{ - typedef _Tp type; -}; - -template <class _Tp> -struct remove_pointer<_Tp * const volatile> -{ - typedef _Tp type; -}; - -template <class _Tp> -struct add_pointer -{ - typedef typename remove_reference<_Tp>::type * type; -}; - -// 20.5.7 other transformations: - -// template <std::size_t Len, std::size_t Align> struct aligned_storage; -// template <std::size_t Len, class... Types> struct aligned_union; - -namespace detail { - -template <bool,class _U> -struct _decay_aux2 -{ - typedef typename remove_cv<_U>::type type; -}; - -template <class _U> -struct _decay_aux2<true,_U> -{ - typedef typename add_pointer<_U>::type type; -}; - -template <bool, class _U> -struct _decay_aux1 -{ - typedef typename _decay_aux2<is_function<_U>::value,_U>::type type; -}; - -template <class _U> -struct _decay_aux1<true,_U> -{ - typedef typename remove_extent<_U>::type* type; -}; - -} // namespace detail - -template <class _Tp> -class decay -{ - private: - typedef typename remove_reference<_Tp>::type _U; - - public: - typedef typename detail::_decay_aux1<is_array<_U>::value,_U>::type type; -}; - -template <bool, class _Tp = void> -struct enable_if -{ -}; - -template <class _Tp> -struct enable_if<true,_Tp> -{ - typedef _Tp type; -}; - -template <bool, class _Tp1, class _Tp2> -struct conditional -{ - typedef _Tp2 type; -}; - -template <class _Tp1, class _Tp2> -struct conditional<true,_Tp1,_Tp2> -{ - typedef _Tp1 type; -}; - -// template <class... _Tp> struct common_type; - -#undef __CV_SPEC -#undef __SPEC_ -#undef __CV_SPEC_1 -#undef __SPEC_1 -#undef __CV_SPEC_2 -#undef __SPEC_2 - -_STLP_END_NAMESPACE // tr1 - -_STLP_END_NAMESPACE - -// # else // __GLIBCXX__ && (__GNUC__ >= 4) && !STLPORT -// # include <tr1/type_traits> -// # endif - -#if (_STLP_OUTERMOST_HEADER_ID == 0x3) -# include <stl/_epilog.h> -# undef _STLP_OUTERMOST_HEADER_ID -#endif - -#endif // __STLP_TYPE_TRAITS - |