gcc/libstdc++-v3/include/bits/regex_cursor.h
Benjamin Kosnik e95992339f Makefile.am: Add functional.cc, shared_ptr.cc.
2011-03-14  Benjamin Kosnik  <bkoz@redhat.com>

	* src/Makefile.am: Add functional.cc, shared_ptr.cc.
	* src/Makefile.in: Regenerate.
	* libsupc++/Makefile.am: Add nested_exception.cc.
	* libsupc++/Makefile.in: Regenerate.
	* src/system_error.cc: Add ctor and dtor definitions for error_category.
	* src/functional.cc: New. Add dtor definition for bad_function_call.
	* src/stdexcept.cc: Add dtor definitions for domain_error,
	invalid_argument, length_error, out_of_range, range_error,
	overflow_error, underflow_error.
	* src/future.cc: Add dtor definition for __future_base::_Result_base.
	* src/shared_ptr.cc: New. Add dtor definition for bad_weak_ptr.
	* src/thread.cc: Add dtor for thread::_Impl_base.
	* include/std/system_error: Adjust.
	* include/std/stdexcept: Same.
	* include/std/future: Same.
	* include/std/functional: Same.
	* include/std/thread: Same.
	* include/bits/shared_ptr_base.h: Same.
	* libsupc++/nested_exception.cc: New. Add dtor for nested_exception.
	* libsupc++/nested_exception.h: Adjust.
	* testsuite/20_util/shared_ptr/cons/43820_neg.cc: Adjust line numbers.
	* testsuite/20_util/weak_ptr/comparison/cmp_neg.cc: Same.
	* config/abi/pre/gnu.ver: Add new exports.

	* include/bits/regex_compiler.h: Nest namespace versioning.
	* include/bits/regex_grep_matcher.tcc: Same.
	* include/bits/regex_grep_matcher.h: Same.
	* include/bits/regex_cursor.h: Same.
	* include/bits/regex_nfa.h: Same.
	* include/bits/regex_nfa.tcc: Same.

From-SVN: r170975
2011-03-15 00:24:08 +00:00

94 lines
2.6 KiB
C++

// class template regex -*- C++ -*-
// Copyright (C) 2010, 2011 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/>.
/**
* @file bits/regex_cursor.h
* This is an internal header file, included by other library headers.
* Do not attempt to use it directly. @headername{regex}
*/
namespace std _GLIBCXX_VISIBILITY(default)
{
namespace __regex
{
_GLIBCXX_BEGIN_NAMESPACE_VERSION
// ABC for pattern matching
struct _PatternCursor
{
virtual ~_PatternCursor() { };
virtual void _M_next() = 0;
virtual bool _M_at_end() const = 0;
};
// Provides a cursor into the specific target string.
template<typename _FwdIterT>
class _SpecializedCursor
: public _PatternCursor
{
public:
_SpecializedCursor(const _FwdIterT& __b, const _FwdIterT __e)
: _M_b(__b), _M_c(__b), _M_e(__e)
{ }
typename std::iterator_traits<_FwdIterT>::value_type
_M_current() const
{ return *_M_c; }
void
_M_next()
{ ++_M_c; }
_FwdIterT
_M_pos() const
{ return _M_c; }
const _FwdIterT&
_M_begin() const
{ return _M_b; }
const _FwdIterT&
_M_end() const
{ return _M_e; }
bool
_M_at_end() const
{ return _M_c == _M_e; }
private:
_FwdIterT _M_b;
_FwdIterT _M_c;
_FwdIterT _M_e;
};
// Helper function to create a cursor specialized for an iterator class.
template<typename _FwdIterT>
inline _SpecializedCursor<_FwdIterT>
__cursor(const _FwdIterT& __b, const _FwdIterT __e)
{ return _SpecializedCursor<_FwdIterT>(__b, __e); }
_GLIBCXX_END_NAMESPACE_VERSION
} // namespace __regex
} // namespace