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authorRemko Tronçon <git@el-tramo.be>2009-06-01 08:48:42 (GMT)
committerRemko Tronçon <git@el-tramo.be>2009-06-01 09:24:28 (GMT)
commit2812bddd81f8a1b804c7460f4e14cd0aa393d129 (patch)
treed46294f35150c4f0f43deaf2d31fceaf945ae715 /3rdParty/Boost/boost/mpl/assert.hpp
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+
+#ifndef BOOST_MPL_ASSERT_HPP_INCLUDED
+#define BOOST_MPL_ASSERT_HPP_INCLUDED
+
+// Copyright Aleksey Gurtovoy 2000-2006
+//
+// 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)
+//
+// See http://www.boost.org/libs/mpl for documentation.
+
+// $Id: assert.hpp 49267 2008-10-11 06:19:02Z agurtovoy $
+// $Date: 2008-10-11 02:19:02 -0400 (Sat, 11 Oct 2008) $
+// $Revision: 49267 $
+
+#include <boost/mpl/not.hpp>
+#include <boost/mpl/aux_/value_wknd.hpp>
+#include <boost/mpl/aux_/nested_type_wknd.hpp>
+#include <boost/mpl/aux_/yes_no.hpp>
+#include <boost/mpl/aux_/na.hpp>
+#include <boost/mpl/aux_/adl_barrier.hpp>
+
+#include <boost/mpl/aux_/config/nttp.hpp>
+#include <boost/mpl/aux_/config/dtp.hpp>
+#include <boost/mpl/aux_/config/gcc.hpp>
+#include <boost/mpl/aux_/config/msvc.hpp>
+#include <boost/mpl/aux_/config/static_constant.hpp>
+#include <boost/mpl/aux_/config/pp_counter.hpp>
+#include <boost/mpl/aux_/config/workaround.hpp>
+
+#include <boost/preprocessor/cat.hpp>
+
+#include <boost/config.hpp> // make sure 'size_t' is placed into 'std'
+#include <cstddef>
+
+
+#if BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x610)) \
+ || (BOOST_MPL_CFG_GCC != 0) \
+ || BOOST_WORKAROUND(__IBMCPP__, <= 600)
+# define BOOST_MPL_CFG_ASSERT_USE_RELATION_NAMES
+#endif
+
+#if BOOST_WORKAROUND(__MWERKS__, < 0x3202) \
+ || BOOST_WORKAROUND(__EDG_VERSION__, <= 238) \
+ || BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x610)) \
+ || BOOST_WORKAROUND(__DMC__, BOOST_TESTED_AT(0x840))
+# define BOOST_MPL_CFG_ASSERT_BROKEN_POINTER_TO_POINTER_TO_MEMBER
+#endif
+
+// agurt, 10/nov/06: use enums for Borland (which cannot cope with static constants)
+// and GCC (which issues "unused variable" warnings when static constants are used
+// at a function scope)
+#if BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x610)) \
+ || (BOOST_MPL_CFG_GCC != 0)
+# define BOOST_MPL_AUX_ASSERT_CONSTANT(T, expr) enum { expr }
+#else
+# define BOOST_MPL_AUX_ASSERT_CONSTANT(T, expr) BOOST_STATIC_CONSTANT(T, expr)
+#endif
+
+
+BOOST_MPL_AUX_ADL_BARRIER_NAMESPACE_OPEN
+
+struct failed {};
+
+// agurt, 24/aug/04: MSVC 7.1 workaround here and below: return/accept
+// 'assert<false>' by reference; can't apply it unconditionally -- apparently it
+// degrades the quality of GCC diagnostics
+#if BOOST_WORKAROUND(BOOST_MSVC, == 1310)
+# define AUX778076_ASSERT_ARG(x) x&
+#else
+# define AUX778076_ASSERT_ARG(x) x
+#endif
+
+template< bool C > struct assert { typedef void* type; };
+template<> struct assert<false> { typedef AUX778076_ASSERT_ARG(assert) type; };
+
+template< bool C >
+int assertion_failed( typename assert<C>::type );
+
+template< bool C >
+struct assertion
+{
+ static int failed( assert<false> );
+};
+
+template<>
+struct assertion<true>
+{
+ static int failed( void* );
+};
+
+struct assert_
+{
+#if !defined(BOOST_MPL_CFG_NO_DEFAULT_PARAMETERS_IN_NESTED_TEMPLATES)
+ template< typename T1, typename T2 = na, typename T3 = na, typename T4 = na > struct types {};
+#endif
+ static assert_ const arg;
+ enum relations { equal = 1, not_equal, greater, greater_equal, less, less_equal };
+};
+
+
+#if !defined(BOOST_MPL_CFG_ASSERT_USE_RELATION_NAMES)
+
+bool operator==( failed, failed );
+bool operator!=( failed, failed );
+bool operator>( failed, failed );
+bool operator>=( failed, failed );
+bool operator<( failed, failed );
+bool operator<=( failed, failed );
+
+#if defined(__EDG_VERSION__)
+template< bool (*)(failed, failed), long x, long y > struct assert_relation {};
+# define BOOST_MPL_AUX_ASSERT_RELATION(x, y, r) assert_relation<r,x,y>
+#else
+template< BOOST_MPL_AUX_NTTP_DECL(long, x), BOOST_MPL_AUX_NTTP_DECL(long, y), bool (*)(failed, failed) >
+struct assert_relation {};
+# define BOOST_MPL_AUX_ASSERT_RELATION(x, y, r) assert_relation<x,y,r>
+#endif
+
+#else // BOOST_MPL_CFG_ASSERT_USE_RELATION_NAMES
+
+boost::mpl::aux::weighted_tag<1>::type operator==( assert_, assert_ );
+boost::mpl::aux::weighted_tag<2>::type operator!=( assert_, assert_ );
+boost::mpl::aux::weighted_tag<3>::type operator>( assert_, assert_ );
+boost::mpl::aux::weighted_tag<4>::type operator>=( assert_, assert_ );
+boost::mpl::aux::weighted_tag<5>::type operator<( assert_, assert_ );
+boost::mpl::aux::weighted_tag<6>::type operator<=( assert_, assert_ );
+
+template< assert_::relations r, long x, long y > struct assert_relation {};
+
+#endif
+
+
+#if !defined(BOOST_MPL_CFG_ASSERT_BROKEN_POINTER_TO_POINTER_TO_MEMBER)
+
+template< bool > struct assert_arg_pred_impl { typedef int type; };
+template<> struct assert_arg_pred_impl<true> { typedef void* type; };
+
+template< typename P > struct assert_arg_pred
+{
+ typedef typename P::type p_type;
+ typedef typename assert_arg_pred_impl< p_type::value >::type type;
+};
+
+template< typename P > struct assert_arg_pred_not
+{
+ typedef typename P::type p_type;
+ BOOST_MPL_AUX_ASSERT_CONSTANT( bool, p = !p_type::value );
+ typedef typename assert_arg_pred_impl<p>::type type;
+};
+
+template< typename Pred >
+failed ************ (Pred::************
+ assert_arg( void (*)(Pred), typename assert_arg_pred<Pred>::type )
+ );
+
+template< typename Pred >
+failed ************ (boost::mpl::not_<Pred>::************
+ assert_not_arg( void (*)(Pred), typename assert_arg_pred_not<Pred>::type )
+ );
+
+template< typename Pred >
+AUX778076_ASSERT_ARG(assert<false>)
+assert_arg( void (*)(Pred), typename assert_arg_pred_not<Pred>::type );
+
+template< typename Pred >
+AUX778076_ASSERT_ARG(assert<false>)
+assert_not_arg( void (*)(Pred), typename assert_arg_pred<Pred>::type );
+
+
+#else // BOOST_MPL_CFG_ASSERT_BROKEN_POINTER_TO_POINTER_TO_MEMBER
+
+template< bool c, typename Pred > struct assert_arg_type_impl
+{
+ typedef failed ************ Pred::* mwcw83_wknd;
+ typedef mwcw83_wknd ************* type;
+};
+
+template< typename Pred > struct assert_arg_type_impl<true,Pred>
+{
+ typedef AUX778076_ASSERT_ARG(assert<false>) type;
+};
+
+template< typename Pred > struct assert_arg_type
+ : assert_arg_type_impl< BOOST_MPL_AUX_VALUE_WKND(BOOST_MPL_AUX_NESTED_TYPE_WKND(Pred))::value, Pred >
+{
+};
+
+template< typename Pred >
+typename assert_arg_type<Pred>::type
+assert_arg(void (*)(Pred), int);
+
+template< typename Pred >
+typename assert_arg_type< boost::mpl::not_<Pred> >::type
+assert_not_arg(void (*)(Pred), int);
+
+# if !defined(BOOST_MPL_CFG_ASSERT_USE_RELATION_NAMES)
+template< long x, long y, bool (*r)(failed, failed) >
+typename assert_arg_type_impl< false,BOOST_MPL_AUX_ASSERT_RELATION(x,y,r) >::type
+assert_rel_arg( BOOST_MPL_AUX_ASSERT_RELATION(x,y,r) );
+# else
+template< assert_::relations r, long x, long y >
+typename assert_arg_type_impl< false,assert_relation<r,x,y> >::type
+assert_rel_arg( assert_relation<r,x,y> );
+# endif
+
+#endif // BOOST_MPL_CFG_ASSERT_BROKEN_POINTER_TO_POINTER_TO_MEMBER
+
+#undef AUX778076_ASSERT_ARG
+
+BOOST_MPL_AUX_ADL_BARRIER_NAMESPACE_CLOSE
+
+
+// BOOST_MPL_ASSERT((pred<x,...>))
+
+#define BOOST_MPL_ASSERT(pred) \
+BOOST_MPL_AUX_ASSERT_CONSTANT( \
+ std::size_t \
+ , BOOST_PP_CAT(mpl_assertion_in_line_,BOOST_MPL_AUX_PP_COUNTER()) = sizeof( \
+ boost::mpl::assertion_failed<false>( \
+ boost::mpl::assert_arg( (void (*) pred)0, 1 ) \
+ ) \
+ ) \
+ ) \
+/**/
+
+// BOOST_MPL_ASSERT_NOT((pred<x,...>))
+
+#if BOOST_WORKAROUND(BOOST_MSVC, <= 1300)
+# define BOOST_MPL_ASSERT_NOT(pred) \
+enum { \
+ BOOST_PP_CAT(mpl_assertion_in_line_,BOOST_MPL_AUX_PP_COUNTER()) = sizeof( \
+ boost::mpl::assertion<false>::failed( \
+ boost::mpl::assert_not_arg( (void (*) pred)0, 1 ) \
+ ) \
+ ) \
+}\
+/**/
+#else
+# define BOOST_MPL_ASSERT_NOT(pred) \
+BOOST_MPL_AUX_ASSERT_CONSTANT( \
+ std::size_t \
+ , BOOST_PP_CAT(mpl_assertion_in_line_,BOOST_MPL_AUX_PP_COUNTER()) = sizeof( \
+ boost::mpl::assertion_failed<false>( \
+ boost::mpl::assert_not_arg( (void (*) pred)0, 1 ) \
+ ) \
+ ) \
+ ) \
+/**/
+#endif
+
+// BOOST_MPL_ASSERT_RELATION(x, ==|!=|<=|<|>=|>, y)
+
+#if defined(BOOST_MPL_CFG_ASSERT_USE_RELATION_NAMES)
+
+# if !defined(BOOST_MPL_CFG_ASSERT_BROKEN_POINTER_TO_POINTER_TO_MEMBER)
+// agurt, 9/nov/06: 'enum' below is a workaround for gcc 4.0.4/4.1.1 bugs #29522 and #29518
+# define BOOST_MPL_ASSERT_RELATION_IMPL(counter, x, rel, y) \
+enum { BOOST_PP_CAT(mpl_assert_rel_value,counter) = (x rel y) }; \
+BOOST_MPL_AUX_ASSERT_CONSTANT( \
+ std::size_t \
+ , BOOST_PP_CAT(mpl_assertion_in_line_,counter) = sizeof( \
+ boost::mpl::assertion_failed<BOOST_PP_CAT(mpl_assert_rel_value,counter)>( \
+ (boost::mpl::failed ************ ( boost::mpl::assert_relation< \
+ boost::mpl::assert_::relations( sizeof( \
+ boost::mpl::assert_::arg rel boost::mpl::assert_::arg \
+ ) ) \
+ , x \
+ , y \
+ >::************)) 0 ) \
+ ) \
+ ) \
+/**/
+# else
+# define BOOST_MPL_ASSERT_RELATION_IMPL(counter, x, rel, y) \
+BOOST_MPL_AUX_ASSERT_CONSTANT( \
+ std::size_t \
+ , BOOST_PP_CAT(mpl_assert_rel,counter) = sizeof( \
+ boost::mpl::assert_::arg rel boost::mpl::assert_::arg \
+ ) \
+ ); \
+BOOST_MPL_AUX_ASSERT_CONSTANT( bool, BOOST_PP_CAT(mpl_assert_rel_value,counter) = (x rel y) ); \
+BOOST_MPL_AUX_ASSERT_CONSTANT( \
+ std::size_t \
+ , BOOST_PP_CAT(mpl_assertion_in_line_,counter) = sizeof( \
+ boost::mpl::assertion_failed<BOOST_PP_CAT(mpl_assert_rel_value,counter)>( \
+ boost::mpl::assert_rel_arg( boost::mpl::assert_relation< \
+ boost::mpl::assert_::relations(BOOST_PP_CAT(mpl_assert_rel,counter)) \
+ , x \
+ , y \
+ >() ) \
+ ) \
+ ) \
+ ) \
+/**/
+# endif
+
+# define BOOST_MPL_ASSERT_RELATION(x, rel, y) \
+BOOST_MPL_ASSERT_RELATION_IMPL(BOOST_MPL_AUX_PP_COUNTER(), x, rel, y) \
+/**/
+
+#else // !BOOST_MPL_CFG_ASSERT_USE_RELATION_NAMES
+
+# if defined(BOOST_MPL_CFG_ASSERT_BROKEN_POINTER_TO_POINTER_TO_MEMBER)
+# define BOOST_MPL_ASSERT_RELATION(x, rel, y) \
+BOOST_MPL_AUX_ASSERT_CONSTANT( \
+ std::size_t \
+ , BOOST_PP_CAT(mpl_assertion_in_line_,BOOST_MPL_AUX_PP_COUNTER()) = sizeof( \
+ boost::mpl::assertion_failed<(x rel y)>( boost::mpl::assert_rel_arg( \
+ boost::mpl::BOOST_MPL_AUX_ASSERT_RELATION(x,y,(&boost::mpl::operator rel))() \
+ ) ) \
+ ) \
+ ) \
+/**/
+# else
+# define BOOST_MPL_ASSERT_RELATION(x, rel, y) \
+BOOST_MPL_AUX_ASSERT_CONSTANT( \
+ std::size_t \
+ , BOOST_PP_CAT(mpl_assertion_in_line_,BOOST_MPL_AUX_PP_COUNTER()) = sizeof( \
+ boost::mpl::assertion_failed<(x rel y)>( (boost::mpl::failed ************ ( \
+ boost::mpl::BOOST_MPL_AUX_ASSERT_RELATION(x,y,(&boost::mpl::operator rel))::************))0 ) \
+ ) \
+ ) \
+/**/
+# endif
+
+#endif
+
+
+// BOOST_MPL_ASSERT_MSG( (pred<x,...>::value), USER_PROVIDED_MESSAGE, (types<x,...>) )
+
+#if BOOST_WORKAROUND(__MWERKS__, BOOST_TESTED_AT(0x3202))
+# define BOOST_MPL_ASSERT_MSG_IMPL( counter, c, msg, types_ ) \
+struct msg; \
+typedef struct BOOST_PP_CAT(msg,counter) : boost::mpl::assert_ \
+{ \
+ using boost::mpl::assert_::types; \
+ static boost::mpl::failed ************ (msg::************ assert_arg()) types_ \
+ { return 0; } \
+} BOOST_PP_CAT(mpl_assert_arg,counter); \
+BOOST_MPL_AUX_ASSERT_CONSTANT( \
+ std::size_t \
+ , BOOST_PP_CAT(mpl_assertion_in_line_,counter) = sizeof( \
+ boost::mpl::assertion<(c)>::failed( BOOST_PP_CAT(mpl_assert_arg,counter)::assert_arg() ) \
+ ) \
+ ) \
+/**/
+#else
+# define BOOST_MPL_ASSERT_MSG_IMPL( counter, c, msg, types_ ) \
+struct msg; \
+typedef struct BOOST_PP_CAT(msg,counter) : boost::mpl::assert_ \
+{ \
+ static boost::mpl::failed ************ (msg::************ assert_arg()) types_ \
+ { return 0; } \
+} BOOST_PP_CAT(mpl_assert_arg,counter); \
+BOOST_MPL_AUX_ASSERT_CONSTANT( \
+ std::size_t \
+ , BOOST_PP_CAT(mpl_assertion_in_line_,counter) = sizeof( \
+ boost::mpl::assertion_failed<(c)>( BOOST_PP_CAT(mpl_assert_arg,counter)::assert_arg() ) \
+ ) \
+ ) \
+/**/
+#endif
+
+#define BOOST_MPL_ASSERT_MSG( c, msg, types_ ) \
+BOOST_MPL_ASSERT_MSG_IMPL( BOOST_MPL_AUX_PP_COUNTER(), c, msg, types_ ) \
+/**/
+
+#endif // BOOST_MPL_ASSERT_HPP_INCLUDED