/*============================================================================= Phoenix V1.2.1 Copyright (c) 2001-2002 Joel de Guzman Distributed under 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) ==============================================================================*/ #ifndef PHOENIX_SPECIAL_OPS_HPP #define PHOENIX_SPECIAL_OPS_HPP #include #ifdef BOOST_NO_STRINGSTREAM #include #define PHOENIX_SSTREAM strstream #else #include #define PHOENIX_SSTREAM stringstream #endif /////////////////////////////////////////////////////////////////////////////// #include #include /////////////////////////////////////////////////////////////////////////////// #if defined(_STLPORT_VERSION) && defined(__STL_USE_OWN_NAMESPACE) #define PHOENIX_STD _STLP_STD #define PHOENIX_NO_STD_NAMESPACE #else #define PHOENIX_STD std #endif /////////////////////////////////////////////////////////////////////////////// //#if !defined(PHOENIX_NO_STD_NAMESPACE) namespace PHOENIX_STD { //#endif template class complex; //#if !defined(PHOENIX_NO_STD_NAMESPACE) } //#endif /////////////////////////////////////////////////////////////////////////////// namespace phoenix { /////////////////////////////////////////////////////////////////////////////// // // The following specializations take into account the C++ standard // library components. There are a couple of issues that have to be // dealt with to enable lazy operator overloads for the standard // library classes. // // *iostream (e.g. cout, cin, strstream/ stringstream) uses non- // canonical shift operator overloads where the lhs is taken in // by reference. // // *I/O manipulators overloads for the RHS of the << and >> // operators. // // *STL iterators can be objects that conform to pointer semantics. // Some operators need to be specialized for these. // // *std::complex is given a rank (see rank class in operators.hpp) // /////////////////////////////////////////////////////////////////////////////// /////////////////////////////////////////////////////////////////////////////// // // specialization for rank // /////////////////////////////////////////////////////////////////////////////// template struct rank > { static int const value = 170 + rank::value; }; /////////////////////////////////////////////////////////////////////////////// // // specializations for std::istream // /////////////////////////////////////////////////////////////////////////////// #if defined(__GNUC__) && (__GNUC__ < 3) #if defined(_STLPORT_VERSION) #define PHOENIX_ISTREAM _IO_istream_withassign #else #define PHOENIX_ISTREAM PHOENIX_STD::_IO_istream_withassign #endif #else // #if (defined(__ICL) && defined(_STLPORT_VERSION)) // #define PHOENIX_ISTREAM istream_withassign // #else #define PHOENIX_ISTREAM PHOENIX_STD::istream // #endif #endif ////////////////////////////////// #if defined(__GNUC__) && (__GNUC__ < 3) // || (defined(__ICL) && defined(_STLPORT_VERSION)) template struct binary_operator { typedef PHOENIX_STD::istream& result_type; static result_type eval(PHOENIX_STD::istream& out, T1& rhs) { return out >> rhs; } }; #endif ////////////////////////////////// template struct binary_operator { typedef PHOENIX_STD::istream& result_type; static result_type eval(PHOENIX_STD::istream& out, T1& rhs) { return out >> rhs; } }; ////////////////////////////////// template inline typename impl::make_binary3 , BaseT>::type operator>>(PHOENIX_ISTREAM& _0, actor const& _1) { return impl::make_binary3 , BaseT> ::construct(var(_0), _1); } #undef PHOENIX_ISTREAM /////////////////////////////////////////////////////////////////////////////// // // specializations for std::ostream // /////////////////////////////////////////////////////////////////////////////// #if defined(__GNUC__) && (__GNUC__ < 3) #if defined(_STLPORT_VERSION) #define PHOENIX_OSTREAM _IO_ostream_withassign #else #define PHOENIX_OSTREAM PHOENIX_STD::_IO_ostream_withassign #endif #else // #if (defined(__ICL) && defined(_STLPORT_VERSION)) // #define PHOENIX_OSTREAM ostream_withassign // #else #define PHOENIX_OSTREAM PHOENIX_STD::ostream // #endif #endif ////////////////////////////////// #if defined(__GNUC__) && (__GNUC__ < 3) // || (defined(__ICL) && defined(_STLPORT_VERSION)) template struct binary_operator { typedef PHOENIX_STD::ostream& result_type; static result_type eval(PHOENIX_STD::ostream& out, T1 const& rhs) { return out << rhs; } }; #endif ////////////////////////////////// template struct binary_operator { typedef PHOENIX_STD::ostream& result_type; static result_type eval(PHOENIX_STD::ostream& out, T1 const& rhs) { return out << rhs; } }; ////////////////////////////////// template inline typename impl::make_binary3 , BaseT>::type operator<<(PHOENIX_OSTREAM& _0, actor const& _1) { return impl::make_binary3 , BaseT> ::construct(var(_0), _1); } #undef PHOENIX_OSTREAM /////////////////////////////////////////////////////////////////////////////// // // specializations for std::strstream / stringstream // /////////////////////////////////////////////////////////////////////////////// template struct binary_operator { typedef PHOENIX_STD::istream& result_type; static result_type eval(PHOENIX_STD::istream& out, T1& rhs) { return out >> rhs; } }; ////////////////////////////////// template inline typename impl::make_binary3 , BaseT>::type operator>>(PHOENIX_STD::PHOENIX_SSTREAM& _0, actor const& _1) { return impl::make_binary3 , BaseT> ::construct(var(_0), _1); } ////////////////////////////////// template struct binary_operator { typedef PHOENIX_STD::ostream& result_type; static result_type eval(PHOENIX_STD::ostream& out, T1 const& rhs) { return out << rhs; } }; ////////////////////////////////// template inline typename impl::make_binary3 , BaseT>::type operator<<(PHOENIX_STD::PHOENIX_SSTREAM& _0, actor const& _1) { return impl::make_binary3 , BaseT> ::construct(var(_0), _1); } /////////////////////////////////////////////////////////////////////////////// // // I/O manipulator specializations // /////////////////////////////////////////////////////////////////////////////// #if (!defined(__GNUC__) || (__GNUC__ > 2)) // && !(defined(__ICL) && defined(_STLPORT_VERSION)) typedef PHOENIX_STD::ios_base& (*iomanip_t)(PHOENIX_STD::ios_base&); typedef PHOENIX_STD::istream& (*imanip_t)(PHOENIX_STD::istream&); typedef PHOENIX_STD::ostream& (*omanip_t)(PHOENIX_STD::ostream&); #if defined(__BORLANDC__) /////////////////////////////////////////////////////////////////////////////// // // Borland does not like i/o manipulators functions such as endl to // be the rhs of a lazy << operator (Borland incorrectly reports // ambiguity). To get around the problem, we provide function // pointer versions of the same name with a single trailing // underscore. // // You can use the same trick for other i/o manipulators. // Alternatively, you can prefix the manipulator with a '&' // operator. Example: // // cout << arg1 << &endl // /////////////////////////////////////////////////////////////////////////////// imanip_t ws_ = &PHOENIX_STD::ws; iomanip_t dec_ = &PHOENIX_STD::dec; iomanip_t hex_ = &PHOENIX_STD::hex; iomanip_t oct_ = &PHOENIX_STD::oct; omanip_t endl_ = &PHOENIX_STD::endl; omanip_t ends_ = &PHOENIX_STD::ends; omanip_t flush_ = &PHOENIX_STD::flush; #else // __BORLANDC__ /////////////////////////////////////////////////////////////////////////////// // // The following are overloads for I/O manipulators. // /////////////////////////////////////////////////////////////////////////////// template inline typename impl::make_binary1::type operator>>(actor const& _0, imanip_t _1) { return impl::make_binary1::construct(_0, _1); } ////////////////////////////////// template inline typename impl::make_binary1::type operator>>(actor const& _0, iomanip_t _1) { return impl::make_binary1::construct(_0, _1); } ////////////////////////////////// template inline typename impl::make_binary1::type operator<<(actor const& _0, omanip_t _1) { return impl::make_binary1::construct(_0, _1); } ////////////////////////////////// template inline typename impl::make_binary1::type operator<<(actor const& _0, iomanip_t _1) { return impl::make_binary1::construct(_0, _1); } #endif // __BORLANDC__ #endif // !defined(__GNUC__) || (__GNUC__ > 2) /////////////////////////////////////////////////////////////////////////////// // // specializations for stl iterators and containers // /////////////////////////////////////////////////////////////////////////////// template struct unary_operator { typedef typename T::reference result_type; static result_type eval(T const& iter) { return *iter; } }; ////////////////////////////////// template struct binary_operator { typedef typename T0::reference result_type; static result_type eval(T0& container, T1 const& index) { return container[index]; } }; ////////////////////////////////// template struct binary_operator { typedef typename T0::const_reference result_type; static result_type eval(T0 const& container, T1 const& index) { return container[index]; } }; /////////////////////////////////////////////////////////////////////////////// } // namespace phoenix #undef PHOENIX_SSTREAM #undef PHOENIX_STD #endif