gcc/libstdc++-v3/include/ext/iterator

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// HP/SGI iterator extensions -*- C++ -*-
// Copyright (C) 2001, 2002, 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.
/*
*
* Copyright (c) 1994
* Hewlett-Packard Company
*
* Permission to use, copy, modify, distribute and sell this software
* and its documentation for any purpose is hereby granted without fee,
* provided that the above copyright notice appear in all copies and
* that both that copyright notice and this permission notice appear
* in supporting documentation. Hewlett-Packard Company makes no
* representations about the suitability of this software for any
* purpose. It is provided "as is" without express or implied warranty.
*
*
* Copyright (c) 1996-1998
* Silicon Graphics Computer Systems, Inc.
*
* Permission to use, copy, modify, distribute and sell this software
* and its documentation for any purpose is hereby granted without fee,
* provided that the above copyright notice appear in all copies and
* that both that copyright notice and this permission notice appear
* in supporting documentation. Silicon Graphics makes no
* representations about the suitability of this software for any
* purpose. It is provided "as is" without express or implied warranty.
*/
Makefile.am (doxygen, [...]): Tweak targets. 2002-01-28 Phil Edwards <pme@gcc.gnu.org> * Makefile.am (doxygen, doxygen-maint, doxygen-man): Tweak targets. * Makefile.in: Regenerate. * docs/doxygen/run_doxygen: Update, mostly for man pages. * docs/doxygen/Intro.3: Update. * docs/doxygen/TODO: Update. * docs/doxygen/doxygroups.cc: Add namespace hook for __gnu_cxx. * docs/doxygen/mainpage.doxy: Update. * docs/doxygen/user.cfg.in: Update for header rename. Also regenerate comments and variables with 1.2.12. * docs/doxygen/maint.cfg.in: Remove file. * include/bits/stl_relops.h: Doxygenate. * include/bits/stl_tempbuf.h (std::_Temporary_buffer): Likewise. * include/c_std/std_cassert.h, include/c_std/std_cctype.h, include/c_std/std_cerrno.h, include/c_std/std_cfloat.h, include/c_std/std_ciso646.h, include/c_std/std_climits.h, include/c_std/std_clocale.h, include/c_std/std_cmath.h, include/c_std/std_csetjmp.h, include/c_std/std_csignal.h, include/c_std/std_cstdarg.h, include/c_std/std_cstddef.h, include/c_std/std_cstdio.h, include/c_std/std_cstdlib.h, include/c_std/std_cstring.h, include/c_std/std_ctime.h, include/c_std/std_cwchar.h, include/c_std/std_cwctype.h, include/ext/algorithm, include/ext/functional, include/ext/hash_map, include/ext/hash_set, include/ext/iterator, include/ext/memory, include/ext/numeric, include/ext/rb_tree, include/ext/rope, include/ext/ropeimpl.h, include/ext/slist, include/ext/stl_hash_fun.h, include/ext/stl_hashtable.h, include/ext/stl_rope.h, include/std/std_algorithm.h, include/std/std_bitset.h, include/std/std_complex.h, include/std/std_deque.h, include/std/std_fstream.h, include/std/std_functional.h, include/std/std_iomanip.h, include/std/std_ios.h, include/std/std_iosfwd.h, include/std/std_iostream.h, include/std/std_istream.h, include/std/std_iterator.h, include/std/std_limits.h, include/std/std_list.h, include/std/std_locale.h, include/std/std_map.h, include/std/std_memory.h, include/std/std_numeric.h, include/std/std_ostream.h, include/std/std_queue.h, include/std/std_set.h, include/std/std_sstream.h, include/std/std_stack.h, include/std/std_stdexcept.h, include/std/std_streambuf.h, include/std/std_string.h, include/std/std_utility.h, include/std/std_valarray.h, include/std/std_vector.h: Add/correct @file doxygen hook. * include/ext/memory: Doxygenate most of rest of file. * libsupc++/exception: Doxygen output formatting. * libsupc++/new: Say which header it is. * testsuite/lib/libstdc++-v3-dg.exp: Fix spacing. * docs/html/19_diagnostics/howto.html: Describe concept-checks switch. * docs/html/23_containers/howto.html: Describe O(n) list::size(). * docs/html/27_io/howto.html: Also link to Langer and Kreft text. From-SVN: r49300
2002-01-28 23:13:12 +01:00
/** @file ext/iterator
* This file is a GNU extension to the Standard C++ Library (possibly
* containing extensions from the HP/SGI STL subset). You should only
* include this header if you are using GCC 3 or later.
*/
#ifndef _EXT_ITERATOR
#define _EXT_ITERATOR 1
#pragma GCC system_header
#include <bits/concept_check.h>
Makefile.am (std_headers): Remove cXXX from list. 2002-01-04 Benjamin Kosnik <bkoz@redhat.com> * include/Makefile.am (std_headers): Remove cXXX from list. (c_base_srcdir): No bits subdirectory. (c_base_builddir): Same. (c_base_headers): Adjust names, add ciso646. (bits_headers): Remove std_xxx.h headers. * include/Makefile.in: Regenerate. * include/ext/iterator: Adjust includes. * include/ext/ropeimpl.h: Same. * include/ext/stl_hash_fun.h: Same. * include/ext/algorithm: Same. * include/backward/bvector.h: Adjust includes. * include/backward/vector.h: Same. * include/backward/strstream: Same. * include/backward/streambuf.h: Same. * include/backward/stack.h: Same. * include/backward/set.h: Same. * include/backward/queue.h: Same. * include/backward/multiset.h: Same. * include/backward/multimap.h: Same. * include/backward/map.h: Same. * include/backward/list.h: Same. * include/backward/iterator.h: Same. * include/backward/iostream.h: Same. * include/backward/iomanip.h: Same. * include/backward/fstream.h: Same. * include/backward/deque.h: Same. * include/backward/complex.h: Same. * include/bits/std_algorithm.h: Move to... * include/std/algorithm: ...here. * include/bits/std_iosfwd.h, std_locale.h, std_stack.h, std_bitset.h, std_ios.h, std_map.h, std_stdexcept.h, std_complex.h, std_iostream.h, std_memory.h, std_streambuf.h, std_deque.h, std_istream.h, std_numeric.h, std_string.h, std_fstream.h, std_ostream.h, std_utility.h, std_iterator.h, std_queue.h, std_valarray.h, std_functional.h, std_limits.h, std_set.h, std_vector.h, std_iomanip.h, std_list.h, std_sstream.h: Same. * include/c_std/bits/std_cassert.h: Move to... * include/c_std/cassert: Here. * include/c_std/std_cctype.h, std_cerrno.h, std_cfloat.h, std_climits.h, std_clocale.h, std_cmath.h, std_csetjmp.h, std_csignal.h, std_cstdarg.h, std_cstddef.h, std_cstdio.h, std_cstdlib.h, std_cstring.h, std_ctime.h, std_cwchar.h, std_cwctype.h: Same. * include/c_std/cmath: Adjust cmath.tcc include. * include/c_std/cstdlib: Adjust includes. * include/c_std/cwchar: Same. * include/c_std/ctime: Same. * include/c_std/cstring: Same. * include/c_std/cstdio: Same. * include/c_std/bits: Remove directory. * include/c/bits/std_cassert.h: Move to... * include/c/cassert: Here. * include/c/std_cctype.h, std_cerrno.h, std_cfloat.h, std_climits.h, std_clocale.h, std_cmath.h, std_csetjmp.h, std_csignal.h, std_cstdarg.h, std_cstddef.h, std_cstdio.h, std_cstdlib.h, std_cstring.h, std_ctime.h, std_cwchar.h, std_cwctype.h: Same. * include/c/bits: Remove directory. * include/std/cwctype: Remove. * include/std/cwchar: Remove. * include/std/ctime: Remove. * include/std/cstring: Remove. * include/std/cstdlib: Remove. * include/std/cstdio: Remove. * include/std/cstddef: Remove. * include/std/cstdarg: Remove. * include/std/csignal: Remove. * include/std/csetjmp: Remove. * include/std/cmath: Remove. * include/std/clocale: Remove. * include/std/climits: Remove. * include/std/ciso646: Remove. * include/std/cfloat: Remove. * include/std/cerrno: Remove. * include/std/cctype: Remove. * include/std/cassert: Remove. * include/bits/fpos.h: Adjust includes, removing <bits/std_xxx.h> files and subsituting <.xxx> * include/bits/valarray_array.h: Same. * include/bits/stl_uninitialized.h: Same. * include/bits/stl_alloc.h: Same. * include/bits/stl_algobase.h: Same. * include/bits/sstream.tcc: Same. * include/bits/pthread_allocimpl.h: Same. * include/bits/ostream.tcc: Same. * include/bits/localefwd.h: Same. * include/bits/locale_facets.tcc: Same. * include/bits/locale_facets.h: Same. * include/bits/istream.tcc: Same. * include/bits/char_traits.h: Same. * include/bits/boost_concept_check.h: Same. * include/bits/basic_file.h: Same. * include/std/bitset: Same. * include/std/complex: Same. * include/std/fstream: Same. * include/std/functional: Same. * include/std/ios: Same. * include/std/iostream: Same. * include/std/ostream: Same. * include/std/sstream: Same. * include/std/streambuf: Same. * include/std/string: Same. * include/std/iterator: Same. * include/std/valarray: Same. * src/ios.cc: Adjust includes. * src/valarray-inst.cc: Same. * src/string-inst.cc: Same. * src/stl-inst.cc: Same. * src/stdexcept.cc: Same. * src/misc-inst.cc: Same. * src/localename.cc: Same. * src/locale-inst.cc: Same. * src/locale.cc: Same. * src/limits.cc: Same. * src/concept-inst.cc: Same. * src/complex_io.cc: Same. * src/codecvt.cc: Same. * src/bitset.cc: Same. * src/cmath.cc: Same. From-SVN: r48544
2002-01-04 22:27:36 +01:00
#include <iterator>
namespace __gnu_cxx
{
// There are two signatures for distance. In addition to the one
// taking two iterators and returning a result, there is another
// taking two iterators and a reference-to-result variable, and
// returning nothing. The latter seems to be an SGI extension.
// -- pedwards
template<typename _InputIterator, typename _Distance>
inline void
__distance(_InputIterator __first, _InputIterator __last,
_Distance& __n, std::input_iterator_tag)
{
// concept requirements
__glibcxx_function_requires(_InputIteratorConcept<_InputIterator>)
while (__first != __last)
{
++__first;
++__n;
}
}
template<typename _RandomAccessIterator, typename _Distance>
inline void
__distance(_RandomAccessIterator __first, _RandomAccessIterator __last,
_Distance& __n, std::random_access_iterator_tag)
{
// concept requirements
__glibcxx_function_requires(_RandomAccessIteratorConcept<
_RandomAccessIterator>)
__n += __last - __first;
}
/**
* This is an SGI extension.
* @ingroup SGIextensions
* @doctodo
*/
template<typename _InputIterator, typename _Distance>
inline void
distance(_InputIterator __first, _InputIterator __last,
_Distance& __n)
{
// concept requirements -- taken care of in __distance
__distance(__first, __last, __n, std::__iterator_category(__first));
}
} // namespace __gnu_cxx
#endif