diff options
Diffstat (limited to 'chromium/third_party/cygwin/lib/gcc/i686-pc-cygwin/3.4.4/include/c++/bits/cpp_type_traits.h')
| -rw-r--r-- | chromium/third_party/cygwin/lib/gcc/i686-pc-cygwin/3.4.4/include/c++/bits/cpp_type_traits.h | 345 |
1 files changed, 0 insertions, 345 deletions
diff --git a/chromium/third_party/cygwin/lib/gcc/i686-pc-cygwin/3.4.4/include/c++/bits/cpp_type_traits.h b/chromium/third_party/cygwin/lib/gcc/i686-pc-cygwin/3.4.4/include/c++/bits/cpp_type_traits.h deleted file mode 100644 index d4e4ea0410a..00000000000 --- a/chromium/third_party/cygwin/lib/gcc/i686-pc-cygwin/3.4.4/include/c++/bits/cpp_type_traits.h +++ /dev/null @@ -1,345 +0,0 @@ -// The -*- C++ -*- type traits classes for internal use in libstdc++ - -// Copyright (C) 2000, 2001, 2002, 2003, 2004 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 2, 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. - -// You should have received a copy of the GNU General Public License along -// with this library; see the file COPYING. If not, write to the Free -// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, -// USA. - -// As a special exception, you may use this file as part of a free software -// library without restriction. Specifically, if other files instantiate -// templates or use macros or inline functions from this file, or you compile -// this file and link it with other files to produce an executable, this -// file does not by itself cause the resulting executable to be covered by -// the GNU General Public License. This exception does not however -// invalidate any other reasons why the executable file might be covered by -// the GNU General Public License. - -// Written by Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr> - -/** @file cpp_type_traits.h - * This is an internal header file, included by other library headers. - * You should not attempt to use it directly. - */ - -#ifndef _CPP_TYPE_TRAITS_H -#define _CPP_TYPE_TRAITS_H 1 - -#pragma GCC system_header - -// -// This file provides some compile-time information about various types. -// These representations were designed, on purpose, to be constant-expressions -// and not types as found in <stl/bits/type_traits.h>. In particular, they -// can be used in control structures and the optimizer hopefully will do -// the obvious thing. -// -// Why integral expressions, and not functions nor types? -// Firstly, these compile-time entities are used as template-arguments -// so function return values won't work: We need compile-time entities. -// We're left with types and constant integral expressions. -// Secondly, from the point of view of ease of use, type-based compile-time -// information is -not- *that* convenient. On has to write lots of -// overloaded functions and to hope that the compiler will select the right -// one. As a net effect, the overall structure isn't very clear at first -// glance. -// Thirdly, partial ordering and overload resolution (of function templates) -// is highly costly in terms of compiler-resource. It is a Good Thing to -// keep these resource consumption as least as possible. -// -// See valarray_array.h for a case use. -// -// -- Gaby (dosreis@cmla.ens-cachan.fr) 2000-03-06. -// - -// NB: g++ can not compile these if declared within the class -// __is_pod itself. -namespace __gnu_internal -{ - typedef char __one; - typedef char __two[2]; - - template <typename _Tp> - __one __test_type (int _Tp::*); - template <typename _Tp> - __two& __test_type (...); -} // namespace __gnu_internal - -namespace std -{ - // Compare for equality of types. - template<typename, typename> - struct __are_same - { - enum - { - _M_type = 0 - }; - }; - - template<typename _Tp> - struct __are_same<_Tp, _Tp> - { - enum - { - _M_type = 1 - }; - }; - - // Define a nested type if some predicate holds. - template<typename, bool> - struct __enable_if - { - }; - - template<typename _Tp> - struct __enable_if<_Tp, true> - { - typedef _Tp _M_type; - }; - - // Holds if the template-argument is a void type. - template<typename _Tp> - struct __is_void - { - enum - { - _M_type = 0 - }; - }; - - template<> - struct __is_void<void> - { - enum - { - _M_type = 1 - }; - }; - - // - // Integer types - // - template<typename _Tp> - struct __is_integer - { - enum - { - _M_type = 0 - }; - }; - - // Thirteen specializations (yes there are eleven standard integer - // types; 'long long' and 'unsigned long long' are supported as - // extensions) - template<> - struct __is_integer<bool> - { - enum - { - _M_type = 1 - }; - }; - - template<> - struct __is_integer<char> - { - enum - { - _M_type = 1 - }; - }; - - template<> - struct __is_integer<signed char> - { - enum - { - _M_type = 1 - }; - }; - - template<> - struct __is_integer<unsigned char> - { - enum - { - _M_type = 1 - }; - }; - -# ifdef _GLIBCXX_USE_WCHAR_T - template<> - struct __is_integer<wchar_t> - { - enum - { - _M_type = 1 - }; - }; -# endif - - template<> - struct __is_integer<short> - { - enum - { - _M_type = 1 - }; - }; - - template<> - struct __is_integer<unsigned short> - { - enum - { - _M_type = 1 - }; - }; - - template<> - struct __is_integer<int> - { - enum - { - _M_type = 1 - }; - }; - - template<> - struct __is_integer<unsigned int> - { - enum - { - _M_type = 1 - }; - }; - - template<> - struct __is_integer<long> - { - enum - { - _M_type = 1 - }; - }; - - template<> - struct __is_integer<unsigned long> - { - enum - { - _M_type = 1 - }; - }; - - template<> - struct __is_integer<long long> - { - enum - { - _M_type = 1 - }; - }; - - template<> - struct __is_integer<unsigned long long> - { - enum - { - _M_type = 1 - }; - }; - - // - // Floating point types - // - template<typename _Tp> - struct __is_floating - { - enum - { - _M_type = 0 - }; - }; - - // three specializations (float, double and 'long double') - template<> - struct __is_floating<float> - { - enum - { - _M_type = 1 - }; - }; - - template<> - struct __is_floating<double> - { - enum - { - _M_type = 1 - }; - }; - - template<> - struct __is_floating<long double> - { - enum - { - _M_type = 1 - }; - }; - - // - // An arithmetic type is an integer type or a floating point type - // - template<typename _Tp> - struct __is_arithmetic - { - enum - { - _M_type = __is_integer<_Tp>::_M_type || __is_floating<_Tp>::_M_type - }; - }; - - // - // A fundamental type is `void' or and arithmetic type - // - template<typename _Tp> - struct __is_fundamental - { - enum - { - _M_type = __is_void<_Tp>::_M_type || __is_arithmetic<_Tp>::_M_type - }; - }; - - // - // For the immediate use, the following is a good approximation - // - template<typename _Tp> - struct __is_pod - { - enum - { - _M_type = (sizeof(__gnu_internal::__test_type<_Tp>(0)) - != sizeof(__gnu_internal::__one)) - }; - }; - -} // namespace std - -#endif //_CPP_TYPE_TRAITS_H |