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Ruta de la carpeta: \\game3dprogramming\materials\GameFactory\GameFactoryDemo\references\boost_1_35_0\boost\type_traits\is_abstract.hpp
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#ifndef BOOST_TT_IS_ABSTRACT_CLASS_HPP #define BOOST_TT_IS_ABSTRACT_CLASS_HPP #if defined(_MSC_VER) && (_MSC_VER >= 1020) # pragma once #endif /////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8 // is_abstract_class.hpp: // // (C) Copyright 2002 Rani Sharoni (rani_sharoni@hotmail.com) and Robert Ramey // Use, modification and distribution is 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) // // See http://www.boost.org for updates, documentation, and revision history. // // Compile type discovery whether given type is abstract class or not. // // Requires DR 337 to be supported by compiler // (http://anubis.dkuug.dk/jtc1/sc22/wg21/docs/cwg_active.html#337). // // // Believed (Jan 2004) to work on: // - GCC 3.4 // - VC++ 7.1 // - compilers with new EDG frontend (Intel C++ 7, Comeau 4.3.2) // // Doesn't work on: // - VC++6, VC++7.0 and less // - GCC 3.3.X and less // - Borland C++ 6 and less // // // History: // - Originally written by Rani Sharoni, see // http://groups.google.com/groups?selm=df893da6.0207110613.75b2fe90%40posting.google.com // At this time supported by EDG (Intel C++ 7, Comeau 4.3.2) and VC7.1. // - Adapted and added into Boost.Serialization library by Robert Ramey // (starting with submission #10). // - Jan 2004: GCC 3.4 fixed to suport DR337 (Giovanni Bajo). // - Jan 2004: modified to be part of Boost.TypeTraits (Pavel Vozenilek). // - Nov 2004: Christoph Ludwig found that the implementation did not work with // template types and gcc-3.4 or VC7.1, fix due to Christoph Ludwig // and John Maddock. // - Dec 2004: Added new config macro BOOST_NO_IS_ABSTRACT which causes the template // to degrade gracefully, rather than trash the compiler (John Maddock). // #include
#include
#include
#include
#ifdef BOOST_NO_IS_ABSTRACT #include
#endif // should be the last #include #include
namespace boost { namespace detail{ #ifndef BOOST_NO_IS_ABSTRACT template
struct is_abstract_imp2 { // Deduction fails if T is void, function type, // reference type (14.8.2/2)or an abstract class type // according to review status issue #337 // template
static type_traits::no_type check_sig(U (*)[1]); template
static type_traits::yes_type check_sig(...); // // T must be a complete type, further if T is a template then // it must be instantiated in order for us to get the right answer: // BOOST_STATIC_ASSERT(sizeof(T) != 0); // GCC2 won't even parse this template if we embed the computation // of s1 in the computation of value. #ifdef __GNUC__ BOOST_STATIC_CONSTANT(unsigned, s1 = sizeof(is_abstract_imp2
::template check_sig
(0))); #else #if BOOST_WORKAROUND(BOOST_MSVC, >= 1400) #pragma warning(push) #pragma warning(disable:6334) #endif BOOST_STATIC_CONSTANT(unsigned, s1 = sizeof(check_sig
(0))); #if BOOST_WORKAROUND(BOOST_MSVC, >= 1400) #pragma warning(pop) #endif #endif BOOST_STATIC_CONSTANT(bool, value = (s1 == sizeof(type_traits::yes_type))); }; template
struct is_abstract_select { template
struct rebind { typedef is_abstract_imp2
type; }; }; template <> struct is_abstract_select
{ template
struct rebind { typedef false_type type; }; }; template
struct is_abstract_imp { typedef is_abstract_select< ::boost::is_class
::value> selector; typedef typename selector::template rebind
binder; typedef typename binder::type type; BOOST_STATIC_CONSTANT(bool, value = type::value); }; #endif } #ifndef BOOST_NO_IS_ABSTRACT BOOST_TT_AUX_BOOL_TRAIT_DEF1(is_abstract,T,::boost::detail::is_abstract_imp
::value) #else BOOST_TT_AUX_BOOL_TRAIT_DEF1(is_abstract,T,::boost::detail::is_polymorphic_imp
::value) #endif } // namespace boost #include
#endif //BOOST_TT_IS_ABSTRACT_CLASS_HPP
is_abstract.hpp
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