wpkg test coverage results

Coverage test results of the Windows Packager by Made to Order Software Corporation.

LCOV - code coverage report
Current view: top level - usr/include/c++/4.6/bits - allocator.h (source / functions) Hit Total Coverage
Test: coverage.info Lines: 6 8 75.0 %
Date: 2013-06-17 Functions: 90 104 86.5 %
Legend: Lines: hit not hit

          Line data    Source code
       1             : // Allocators -*- C++ -*-
       2             : 
       3             : // Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010,
       4             : // 2011 Free Software Foundation, Inc.
       5             : //
       6             : // This file is part of the GNU ISO C++ Library.  This library is free
       7             : // software; you can redistribute it and/or modify it under the
       8             : // terms of the GNU General Public License as published by the
       9             : // Free Software Foundation; either version 3, or (at your option)
      10             : // any later version.
      11             : 
      12             : // This library is distributed in the hope that it will be useful,
      13             : // but WITHOUT ANY WARRANTY; without even the implied warranty of
      14             : // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      15             : // GNU General Public License for more details.
      16             : 
      17             : // Under Section 7 of GPL version 3, you are granted additional
      18             : // permissions described in the GCC Runtime Library Exception, version
      19             : // 3.1, as published by the Free Software Foundation.
      20             : 
      21             : // You should have received a copy of the GNU General Public License and
      22             : // a copy of the GCC Runtime Library Exception along with this program;
      23             : // see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
      24             : // <http://www.gnu.org/licenses/>.
      25             : 
      26             : /*
      27             :  * Copyright (c) 1996-1997
      28             :  * Silicon Graphics Computer Systems, Inc.
      29             :  *
      30             :  * Permission to use, copy, modify, distribute and sell this software
      31             :  * and its documentation for any purpose is hereby granted without fee,
      32             :  * provided that the above copyright notice appear in all copies and
      33             :  * that both that copyright notice and this permission notice appear
      34             :  * in supporting documentation.  Silicon Graphics makes no
      35             :  * representations about the suitability of this software for any
      36             :  * purpose.  It is provided "as is" without express or implied warranty.
      37             :  */
      38             : 
      39             : /** @file bits/allocator.h
      40             :  *  This is an internal header file, included by other library headers.
      41             :  *  Do not attempt to use it directly. @headername{memory}
      42             :  */
      43             : 
      44             : #ifndef _ALLOCATOR_H
      45             : #define _ALLOCATOR_H 1
      46             : 
      47             : // Define the base class to std::allocator.
      48             : #include <bits/c++allocator.h>
      49             : 
      50             : #ifdef __GXX_EXPERIMENTAL_CXX0X__
      51             : #include <type_traits> // For _GLIBCXX_HAS_NESTED_TYPE
      52             : #endif
      53             : 
      54             : namespace std _GLIBCXX_VISIBILITY(default)
      55             : {
      56             : _GLIBCXX_BEGIN_NAMESPACE_VERSION
      57             : 
      58             :   /**
      59             :    * @defgroup allocators Allocators
      60             :    * @ingroup memory
      61             :    *
      62             :    * Classes encapsulating memory operations.
      63             :    */
      64             : 
      65             :   template<typename _Tp>
      66             :     class allocator;
      67             : 
      68             :   /// allocator<void> specialization.
      69             :   template<>
      70             :     class allocator<void>
      71             :     {
      72             :     public:
      73             :       typedef size_t      size_type;
      74             :       typedef ptrdiff_t   difference_type;
      75             :       typedef void*       pointer;
      76             :       typedef const void* const_pointer;
      77             :       typedef void        value_type;
      78             : 
      79             :       template<typename _Tp1>
      80             :         struct rebind
      81             :         { typedef allocator<_Tp1> other; };
      82             :     };
      83             : 
      84             :   /**
      85             :    * @brief  The @a standard allocator, as per [20.4].
      86             :    * @ingroup allocators
      87             :    *
      88             :    *  Further details:
      89             :    *  http://gcc.gnu.org/onlinedocs/libstdc++/manual/bk01pt04ch11.html
      90             :    */
      91             :   template<typename _Tp>
      92             :     class allocator: public __glibcxx_base_allocator<_Tp>
      93             :     {
      94             :    public:
      95             :       typedef size_t     size_type;
      96             :       typedef ptrdiff_t  difference_type;
      97             :       typedef _Tp*       pointer;
      98             :       typedef const _Tp* const_pointer;
      99             :       typedef _Tp&       reference;
     100             :       typedef const _Tp& const_reference;
     101             :       typedef _Tp        value_type;
     102             : 
     103             :       template<typename _Tp1>
     104             :         struct rebind
     105             :         { typedef allocator<_Tp1> other; };
     106             : 
     107     3646084 :       allocator() throw() { }
     108             : 
     109     1295323 :       allocator(const allocator& __a) throw()
     110     1295323 :       : __glibcxx_base_allocator<_Tp>(__a) { }
     111             : 
     112             :       template<typename _Tp1>
     113      673249 :         allocator(const allocator<_Tp1>&) throw() { }
     114             : 
     115     5896836 :       ~allocator() throw() { }
     116             : 
     117             :       // Inherit everything else.
     118             :     };
     119             : 
     120             :   template<typename _T1, typename _T2>
     121             :     inline bool
     122             :     operator==(const allocator<_T1>&, const allocator<_T2>&)
     123             :     { return true; }
     124             : 
     125             :   template<typename _Tp>
     126             :     inline bool
     127           0 :     operator==(const allocator<_Tp>&, const allocator<_Tp>&)
     128           0 :     { return true; }
     129             : 
     130             :   template<typename _T1, typename _T2>
     131             :     inline bool
     132             :     operator!=(const allocator<_T1>&, const allocator<_T2>&)
     133             :     { return false; }
     134             : 
     135             :   template<typename _Tp>
     136             :     inline bool
     137             :     operator!=(const allocator<_Tp>&, const allocator<_Tp>&)
     138             :     { return false; }
     139             : 
     140             :   // Inhibit implicit instantiations for required instantiations,
     141             :   // which are defined via explicit instantiations elsewhere.
     142             : #if _GLIBCXX_EXTERN_TEMPLATE
     143             :   extern template class allocator<char>;
     144             :   extern template class allocator<wchar_t>;
     145             : #endif
     146             : 
     147             :   // Undefine.
     148             : #undef __glibcxx_base_allocator
     149             : 
     150             :   // To implement Option 3 of DR 431.
     151             :   template<typename _Alloc, bool = __is_empty(_Alloc)>
     152             :     struct __alloc_swap
     153     1196289 :     { static void _S_do_it(_Alloc&, _Alloc&) { } };
     154             : 
     155             :   template<typename _Alloc>
     156             :     struct __alloc_swap<_Alloc, false>
     157             :     {
     158             :       static void
     159             :       _S_do_it(_Alloc& __one, _Alloc& __two)
     160             :       {
     161             :         // Precondition: swappable allocators.
     162             :         if (__one != __two)
     163             :           swap(__one, __two);
     164             :       }
     165             :     };
     166             : 
     167             :   // Optimize for stateless allocators.
     168             :   template<typename _Alloc, bool = __is_empty(_Alloc)>
     169             :     struct __alloc_neq
     170             :     {
     171             :       static bool
     172             :       _S_do_it(const _Alloc&, const _Alloc&)
     173             :       { return false; }
     174             :     };
     175             : 
     176             :   template<typename _Alloc>
     177             :     struct __alloc_neq<_Alloc, false>
     178             :     {
     179             :       static bool
     180             :       _S_do_it(const _Alloc& __one, const _Alloc& __two)
     181             :       { return __one != __two; }
     182             :     };
     183             : 
     184             : #ifdef __GXX_EXPERIMENTAL_CXX0X__
     185             :   // A very basic implementation for now.  In general we have to wait for
     186             :   // the availability of the infrastructure described in N2983:  we should
     187             :   // try when either T has a move constructor which cannot throw or T is
     188             :   // CopyContructible.
     189             :   // NB: This code doesn't properly belong here, we should find a more
     190             :   // suited place common to std::vector and std::deque.
     191             :   template<typename _Tp,
     192             :            bool = __has_trivial_copy(typename _Tp::value_type)>
     193             :     struct __shrink_to_fit
     194             :     { static void _S_do_it(_Tp&) { } };
     195             : 
     196             :   template<typename _Tp>
     197             :     struct __shrink_to_fit<_Tp, true>
     198             :     {
     199             :       static void
     200             :       _S_do_it(_Tp& __v)
     201             :       {
     202             :         __try
     203             :           { _Tp(__v).swap(__v); }
     204             :         __catch(...) { }
     205             :       }
     206             :     };
     207             : 
     208             : 
     209             :   /// [allocator.tag]
     210             :   struct allocator_arg_t { };
     211             : 
     212             :   constexpr allocator_arg_t allocator_arg = allocator_arg_t();
     213             : 
     214             : _GLIBCXX_HAS_NESTED_TYPE(allocator_type)
     215             : 
     216             :   template<typename _Tp, typename _Alloc,
     217             :            bool = __has_allocator_type<_Tp>::value>
     218             :     struct __uses_allocator_helper
     219             :     : public false_type { };
     220             : 
     221             :   template<typename _Tp, typename _Alloc>
     222             :     struct __uses_allocator_helper<_Tp, _Alloc, true>
     223             :     : public integral_constant<bool, is_convertible<_Alloc,
     224             :                                      typename _Tp::allocator_type>::value>
     225             :     { };
     226             : 
     227             :   /// [allocator.uses.trait]
     228             :   template<typename _Tp, typename _Alloc>
     229             :     struct uses_allocator
     230             :     : public integral_constant<bool,
     231             :                                __uses_allocator_helper<_Tp, _Alloc>::value>
     232             :     { };
     233             : 
     234             : #endif
     235             : 
     236             : _GLIBCXX_END_NAMESPACE_VERSION
     237             : } // namespace std
     238             : 
     239             : #endif

Generated by: LCOV version 1.9

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