73 lines
2.4 KiB
C++
73 lines
2.4 KiB
C++
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// -----------------------------------------------------------
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//
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// Copyright (c) 2001-2002 Chuck Allison and Jeremy Siek
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// Copyright (c) 2003-2006, 2008 Gennaro Prota
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//
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// Distributed under the Boost Software License, Version 1.0.
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// (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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//
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// -----------------------------------------------------------
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#ifndef BOOST_DYNAMIC_BITSET_CONFIG_HPP_GP_20040424
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#define BOOST_DYNAMIC_BITSET_CONFIG_HPP_GP_20040424
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#include "boost/config.hpp"
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#include "boost/detail/workaround.hpp"
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// support for pre 3.0 libstdc++ - thanks Phil Edwards!
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#if defined (__STL_CONFIG_H) && !defined (__STL_USE_NEW_IOSTREAMS)
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# define BOOST_OLD_IOSTREAMS
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#endif
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// no-op function to workaround gcc bug c++/8419
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//
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namespace boost { namespace detail {
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template <typename T> T make_non_const(T t) { return t; }
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}}
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#if defined(__GNUC__)
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# define BOOST_DYNAMIC_BITSET_WRAP_CONSTANT(expr) \
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(boost::detail::make_non_const(expr))
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#else
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# define BOOST_DYNAMIC_BITSET_WRAP_CONSTANT(expr) (expr)
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#endif
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//
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#if (defined __BORLANDC__ && BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x564))) \
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|| (defined BOOST_NO_MEMBER_TEMPLATE_FRIENDS)
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#define BOOST_DYNAMIC_BITSET_DONT_USE_FRIENDS
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#endif
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// if we can't use friends then we simply expose private members
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//
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#if defined(BOOST_DYNAMIC_BITSET_DONT_USE_FRIENDS)
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#define BOOST_DYNAMIC_BITSET_PRIVATE public
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#else
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#define BOOST_DYNAMIC_BITSET_PRIVATE private
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#endif
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// A couple of macros to cope with libraries without locale
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// support. The first macro must be used to declare a reference
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// to a ctype facet. The second one to widen a char by using
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// that ctype object. If facets and locales aren't available
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// the first macro is a no-op and the second one just expands
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// to its parameter c.
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//
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#if defined (BOOST_USE_FACET)
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#define BOOST_DYNAMIC_BITSET_CTYPE_FACET(ch, name, loc) \
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const std::ctype<ch> & name = \
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BOOST_USE_FACET(std::ctype<ch>, loc) /**/
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#define BOOST_DYNAMIC_BITSET_WIDEN_CHAR(fac, c) \
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(fac.widen(c))
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#else
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#define BOOST_DYNAMIC_BITSET_CTYPE_FACET(ch, name, loc) /**/
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#define BOOST_DYNAMIC_BITSET_WIDEN_CHAR(fac, c) c
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#endif
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#endif // include guard
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