boost_regex/include/boost/regex/v4/regex_workaround.hpp

/*
 *
 * Copyright (c) 1998-2004
 * John Maddock
 *
 * Use, modification and distribution are subject to the 
 * Boost Software License, Version 1.0. (See accompanying file 
 * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
 *
 */

 /*
  *   LOCATION:    see http://www.boost.org for most recent version.
  *   FILE         regex_workarounds.cpp
  *   VERSION      see <boost/version.hpp>
  *   DESCRIPTION: Declares Misc workarounds.
  */

#ifndef BOOST_REGEX_WORKAROUND_HPP
#define BOOST_REGEX_WORKAROUND_HPP


#include <new>
#include <cstring>
#include <cstdlib>
#include <cstddef>
#include <cassert>
#include <string>
#include <stdexcept>
#include <iterator>
#include <iosfwd>
#include <vector>
#include <map>
#include <boost/limits.hpp>
#include <boost/assert.hpp>
#include <boost/cstdint.hpp>
#include <boost/throw_exception.hpp>
#include <boost/scoped_ptr.hpp>
#include <boost/scoped_array.hpp>
#include <boost/shared_ptr.hpp>
#include <boost/mpl/bool_fwd.hpp>
#ifndef BOOST_NO_STD_LOCALE
#   include <locale>
#endif

namespace boost{ namespace re_detail{
#ifdef BOOST_NO_STD_DISTANCE
template <class T>
std::ptrdiff_t distance(const T& x, const T& y)
{ return y - x; }
#else
using std::distance;
#endif
}}


#ifdef BOOST_REGEX_NO_BOOL
#  define BOOST_REGEX_MAKE_BOOL(x) static_cast<bool>((x) ? true : false)
#else
#  ifdef BOOST_MSVC
      // warning suppression with VC6:
#     pragma warning(disable: 4800)
#     pragma warning(disable: 4786)
#  endif
#  define BOOST_REGEX_MAKE_BOOL(x) static_cast<bool>(x)
#endif

/*****************************************************************************
 *
 *  Fix broken broken namespace support:
 *
 ****************************************************************************/

#if defined(BOOST_NO_STDC_NAMESPACE) && defined(__cplusplus)

namespace std{
   using ::ptrdiff_t;
   using ::size_t;
   using ::abs;
   using ::memset;
   using ::memcpy;
}

#endif

/*****************************************************************************
 *
 *  helper functions pointer_construct/pointer_destroy:
 *
 ****************************************************************************/

#ifdef __cplusplus
namespace boost{ namespace re_detail{

#ifdef BOOST_MSVC
#pragma warning (push)
#pragma warning (disable : 4100)
#endif

template <class T>
inline void pointer_destroy(T* p)
{ p->~T(); (void)p; }

#ifdef BOOST_MSVC
#pragma warning (pop)
#endif

template <class T>
inline void pointer_construct(T* p, const T& t)
{ new (p) T(t); }

}} // namespaces
#endif

#endif // include guard