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 - stl_iterator_base_types.h (source / functions) Hit Total Coverage
Test: coverage.info Lines: 7 7 100.0 %
Date: 2013-06-17 Functions: 32 64 50.0 %
Legend: Lines: hit not hit

          Line data    Source code
       1             : // Types used in iterator implementation -*- C++ -*-
       2             : 
       3             : // Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
       4             : // 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             :  *
      28             :  * Copyright (c) 1994
      29             :  * Hewlett-Packard Company
      30             :  *
      31             :  * Permission to use, copy, modify, distribute and sell this software
      32             :  * and its documentation for any purpose is hereby granted without fee,
      33             :  * provided that the above copyright notice appear in all copies and
      34             :  * that both that copyright notice and this permission notice appear
      35             :  * in supporting documentation.  Hewlett-Packard Company makes no
      36             :  * representations about the suitability of this software for any
      37             :  * purpose.  It is provided "as is" without express or implied warranty.
      38             :  *
      39             :  *
      40             :  * Copyright (c) 1996-1998
      41             :  * Silicon Graphics Computer Systems, Inc.
      42             :  *
      43             :  * Permission to use, copy, modify, distribute and sell this software
      44             :  * and its documentation for any purpose is hereby granted without fee,
      45             :  * provided that the above copyright notice appear in all copies and
      46             :  * that both that copyright notice and this permission notice appear
      47             :  * in supporting documentation.  Silicon Graphics makes no
      48             :  * representations about the suitability of this software for any
      49             :  * purpose.  It is provided "as is" without express or implied warranty.
      50             :  */
      51             : 
      52             : /** @file bits/stl_iterator_base_types.h
      53             :  *  This is an internal header file, included by other library headers.
      54             :  *  Do not attempt to use it directly. @headername{iterator}
      55             :  *
      56             :  *  This file contains all of the general iterator-related utility types,
      57             :  *  such as iterator_traits and struct iterator.
      58             :  */
      59             : 
      60             : #ifndef _STL_ITERATOR_BASE_TYPES_H
      61             : #define _STL_ITERATOR_BASE_TYPES_H 1
      62             : 
      63             : #pragma GCC system_header
      64             : 
      65             : #include <bits/c++config.h>
      66             : 
      67             : #ifdef __GXX_EXPERIMENTAL_CXX0X__
      68             : # include <type_traits>  // For _GLIBCXX_HAS_NESTED_TYPE
      69             : #endif
      70             : 
      71             : namespace std _GLIBCXX_VISIBILITY(default)
      72             : {
      73             : _GLIBCXX_BEGIN_NAMESPACE_VERSION
      74             : 
      75             :   /**
      76             :    *  @defgroup iterators Iterators
      77             :    *  Abstractions for uniform iterating through various underlying types.
      78             :   */
      79             :   //@{ 
      80             : 
      81             :   /**
      82             :    *  @defgroup iterator_tags Iterator Tags
      83             :    *  These are empty types, used to distinguish different iterators.  The
      84             :    *  distinction is not made by what they contain, but simply by what they
      85             :    *  are.  Different underlying algorithms can then be used based on the
      86             :    *  different operations supported by different iterator types.
      87             :   */
      88             :   //@{ 
      89             :   ///  Marking input iterators.
      90             :   struct input_iterator_tag { };
      91             : 
      92             :   ///  Marking output iterators.
      93             :   struct output_iterator_tag { };
      94             : 
      95             :   /// Forward iterators support a superset of input iterator operations.
      96             :   struct forward_iterator_tag : public input_iterator_tag { };
      97             : 
      98             :   /// Bidirectional iterators support a superset of forward iterator
      99             :   /// operations.
     100             :   struct bidirectional_iterator_tag : public forward_iterator_tag { };
     101             : 
     102             :   /// Random-access iterators support a superset of bidirectional
     103             :   /// iterator operations.
     104             :   struct random_access_iterator_tag : public bidirectional_iterator_tag { };
     105             :   //@}
     106             : 
     107             :   /**
     108             :    *  @brief  Common %iterator class.
     109             :    *
     110             :    *  This class does nothing but define nested typedefs.  %Iterator classes
     111             :    *  can inherit from this class to save some work.  The typedefs are then
     112             :    *  used in specializations and overloading.
     113             :    *
     114             :    *  In particular, there are no default implementations of requirements
     115             :    *  such as @c operator++ and the like.  (How could there be?)
     116             :   */
     117             :   template<typename _Category, typename _Tp, typename _Distance = ptrdiff_t,
     118             :            typename _Pointer = _Tp*, typename _Reference = _Tp&>
     119    15873368 :     struct iterator
     120             :     {
     121             :       /// One of the @link iterator_tags tag types@endlink.
     122             :       typedef _Category  iterator_category;
     123             :       /// The type "pointed to" by the iterator.
     124             :       typedef _Tp        value_type;
     125             :       /// Distance between iterators is represented as this type.
     126             :       typedef _Distance  difference_type;
     127             :       /// This type represents a pointer-to-value_type.
     128             :       typedef _Pointer   pointer;
     129             :       /// This type represents a reference-to-value_type.
     130             :       typedef _Reference reference;
     131             :     };
     132             : 
     133             :   /**
     134             :    *  @brief  Traits class for iterators.
     135             :    *
     136             :    *  This class does nothing but define nested typedefs.  The general
     137             :    *  version simply @a forwards the nested typedefs from the Iterator
     138             :    *  argument.  Specialized versions for pointers and pointers-to-const
     139             :    *  provide tighter, more correct semantics.
     140             :   */
     141             : #ifdef __GXX_EXPERIMENTAL_CXX0X__
     142             : 
     143             : _GLIBCXX_HAS_NESTED_TYPE(iterator_category)
     144             : 
     145             :   template<typename _Iterator,
     146             :            bool = __has_iterator_category<_Iterator>::value>
     147             :     struct __iterator_traits { };
     148             : 
     149             :   template<typename _Iterator>
     150             :     struct __iterator_traits<_Iterator, true>
     151             :     {
     152             :       typedef typename _Iterator::iterator_category iterator_category;
     153             :       typedef typename _Iterator::value_type        value_type;
     154             :       typedef typename _Iterator::difference_type   difference_type;
     155             :       typedef typename _Iterator::pointer           pointer;
     156             :       typedef typename _Iterator::reference         reference;
     157             :     };
     158             : 
     159             :   template<typename _Iterator>
     160             :     struct iterator_traits
     161             :     : public __iterator_traits<_Iterator> { };
     162             : #else
     163             :   template<typename _Iterator>
     164             :     struct iterator_traits
     165             :     {
     166             :       typedef typename _Iterator::iterator_category iterator_category;
     167             :       typedef typename _Iterator::value_type        value_type;
     168             :       typedef typename _Iterator::difference_type   difference_type;
     169             :       typedef typename _Iterator::pointer           pointer;
     170             :       typedef typename _Iterator::reference         reference;
     171             :     };
     172             : #endif
     173             : 
     174             :   /// Partial specialization for pointer types.
     175             :   template<typename _Tp>
     176             :     struct iterator_traits<_Tp*>
     177             :     {
     178             :       typedef random_access_iterator_tag iterator_category;
     179             :       typedef _Tp                         value_type;
     180             :       typedef ptrdiff_t                   difference_type;
     181             :       typedef _Tp*                        pointer;
     182             :       typedef _Tp&                        reference;
     183             :     };
     184             : 
     185             :   /// Partial specialization for const pointer types.
     186             :   template<typename _Tp>
     187             :     struct iterator_traits<const _Tp*>
     188             :     {
     189             :       typedef random_access_iterator_tag iterator_category;
     190             :       typedef _Tp                         value_type;
     191             :       typedef ptrdiff_t                   difference_type;
     192             :       typedef const _Tp*                  pointer;
     193             :       typedef const _Tp&                  reference;
     194             :     };
     195             : 
     196             :   /**
     197             :    *  This function is not a part of the C++ standard but is syntactic
     198             :    *  sugar for internal library use only.
     199             :   */
     200             :   template<typename _Iter>
     201             :     inline typename iterator_traits<_Iter>::iterator_category
     202      159778 :     __iterator_category(const _Iter&)
     203      159778 :     { return typename iterator_traits<_Iter>::iterator_category(); }
     204             : 
     205             :   //@}
     206             : 
     207             :   // If _Iterator has a base returns it otherwise _Iterator is returned
     208             :   // untouched
     209             :   template<typename _Iterator, bool _HasBase>
     210             :     struct _Iter_base
     211             :     {
     212             :       typedef _Iterator iterator_type;
     213     8974439 :       static iterator_type _S_base(_Iterator __it)
     214     8974439 :       { return __it; }
     215             :     };
     216             : 
     217             :   template<typename _Iterator>
     218             :     struct _Iter_base<_Iterator, true>
     219             :     {
     220             :       typedef typename _Iterator::iterator_type iterator_type;
     221     1281246 :       static iterator_type _S_base(_Iterator __it)
     222     1281246 :       { return __it.base(); }
     223             :     };
     224             : 
     225             : _GLIBCXX_END_NAMESPACE_VERSION
     226             : } // namespace
     227             : 
     228             : #endif /* _STL_ITERATOR_BASE_TYPES_H */
     229             : 

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