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Diffstat (limited to 'gcc-4.4.3/libstdc++-v3/include/ext/cast.h')
-rw-r--r-- | gcc-4.4.3/libstdc++-v3/include/ext/cast.h | 113 |
1 files changed, 0 insertions, 113 deletions
diff --git a/gcc-4.4.3/libstdc++-v3/include/ext/cast.h b/gcc-4.4.3/libstdc++-v3/include/ext/cast.h deleted file mode 100644 index 3ffad7c27..000000000 --- a/gcc-4.4.3/libstdc++-v3/include/ext/cast.h +++ /dev/null @@ -1,113 +0,0 @@ -// <cast.h> -*- C++ -*- - -// Copyright (C) 2008, 2009 Free Software Foundation, Inc. -// -// This file is part of the GNU ISO C++ Library. This library is free -// software; you can redistribute it and/or modify it under the -// terms of the GNU General Public License as published by the -// Free Software Foundation; either version 3, or (at your option) -// any later version. - -// This library is distributed in the hope that it will be useful, -// but WITHOUT ANY WARRANTY; without even the implied warranty of -// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -// GNU General Public License for more details. - -// Under Section 7 of GPL version 3, you are granted additional -// permissions described in the GCC Runtime Library Exception, version -// 3.1, as published by the Free Software Foundation. - -// You should have received a copy of the GNU General Public License and -// a copy of the GCC Runtime Library Exception along with this program; -// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -// <http://www.gnu.org/licenses/>. - -#ifndef _CAST_H -#define _CAST_H 1 - -_GLIBCXX_BEGIN_NAMESPACE(__gnu_cxx); - - /** - * These functions are here to allow containers to support non standard - * pointer types. For normal pointers, these resolve to the use of the - * standard cast operation. For other types the functions will perform - * the apprpriate cast to/from the custom pointer class so long as that - * class meets the following conditions: - * 1) has a typedef element_type which names tehe type it points to. - * 2) has a get() const method which returns element_type*. - * 3) has a constructor which can take one element_type* argument. - */ - - /** - * This type supports the semantics of the pointer cast operators (below.) - */ - template<typename _ToType> - struct _Caster - { typedef typename _ToType::element_type* type; }; - - template<typename _ToType> - struct _Caster<_ToType*> - { typedef _ToType* type; }; - - /** - * Casting operations for cases where _FromType is not a standard pointer. - * _ToType can be a standard or non-standard pointer. Given that _FromType - * is not a pointer, it must have a get() method that returns the standard - * pointer equivalent of the address it points to, and must have an - * element_type typedef which names the type it points to. - */ - template<typename _ToType, typename _FromType> - inline _ToType - __static_pointer_cast(const _FromType& __arg) - { return _ToType(static_cast<typename _Caster<_ToType>:: - type>(__arg.get())); } - - template<typename _ToType, typename _FromType> - inline _ToType - __dynamic_pointer_cast(const _FromType& __arg) - { return _ToType(dynamic_cast<typename _Caster<_ToType>:: - type>(__arg.get())); } - - template<typename _ToType, typename _FromType> - inline _ToType - __const_pointer_cast(const _FromType& __arg) - { return _ToType(const_cast<typename _Caster<_ToType>:: - type>(__arg.get())); } - - template<typename _ToType, typename _FromType> - inline _ToType - __reinterpret_pointer_cast(const _FromType& __arg) - { return _ToType(reinterpret_cast<typename _Caster<_ToType>:: - type>(__arg.get())); } - - /** - * Casting operations for cases where _FromType is a standard pointer. - * _ToType can be a standard or non-standard pointer. - */ - template<typename _ToType, typename _FromType> - inline _ToType - __static_pointer_cast(_FromType* __arg) - { return _ToType(static_cast<typename _Caster<_ToType>:: - type>(__arg)); } - - template<typename _ToType, typename _FromType> - inline _ToType - __dynamic_pointer_cast(_FromType* __arg) - { return _ToType(dynamic_cast<typename _Caster<_ToType>:: - type>(__arg)); } - - template<typename _ToType, typename _FromType> - inline _ToType - __const_pointer_cast(_FromType* __arg) - { return _ToType(const_cast<typename _Caster<_ToType>:: - type>(__arg)); } - - template<typename _ToType, typename _FromType> - inline _ToType - __reinterpret_pointer_cast(_FromType* __arg) - { return _ToType(reinterpret_cast<typename _Caster<_ToType>:: - type>(__arg)); } - -_GLIBCXX_END_NAMESPACE - -#endif // _CAST_H |