460 lines
14 KiB
C++
Executable File
460 lines
14 KiB
C++
Executable File
|
|
#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.
|
|
|
|
// $Id$
|
|
// $Date$
|
|
// $Revision$
|
|
|
|
#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/gpu.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(BOOST_MSVC, == 1700)
|
|
#include <boost/mpl/if.hpp>
|
|
#endif
|
|
|
|
#if BOOST_WORKAROUND(BOOST_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(BOOST_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(BOOST_BORLANDC, BOOST_TESTED_AT(0x610)) \
|
|
|| (BOOST_MPL_CFG_GCC != 0) || (BOOST_MPL_CFG_GPU != 0) || defined(__PGI)
|
|
# 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 BOOST_WORKAROUND(BOOST_MSVC, == 1700)
|
|
|
|
template<class Pred>
|
|
struct extract_assert_pred;
|
|
|
|
template<class Pred>
|
|
struct extract_assert_pred<void(Pred)> { typedef Pred type; };
|
|
|
|
template<class Pred>
|
|
struct eval_assert {
|
|
typedef typename extract_assert_pred<Pred>::type P;
|
|
typedef typename P::type p_type;
|
|
typedef typename ::boost::mpl::if_c<p_type::value,
|
|
AUX778076_ASSERT_ARG(assert<false>),
|
|
failed ************ P::************
|
|
>::type type;
|
|
};
|
|
|
|
template<class Pred>
|
|
struct eval_assert_not {
|
|
typedef typename extract_assert_pred<Pred>::type P;
|
|
typedef typename P::type p_type;
|
|
typedef typename ::boost::mpl::if_c<!p_type::value,
|
|
AUX778076_ASSERT_ARG(assert<false>),
|
|
failed ************ ::boost::mpl::not_<P>::************
|
|
>::type type;
|
|
};
|
|
|
|
template< typename T >
|
|
T make_assert_arg();
|
|
|
|
#elif !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;
|
|
};
|
|
|
|
#if defined(BOOST_GCC) && BOOST_GCC >= 80000
|
|
#define BOOST_MPL_IGNORE_PARENTHESES_WARNING
|
|
#pragma GCC diagnostic push
|
|
#pragma GCC diagnostic ignored "-Wparentheses"
|
|
#endif
|
|
|
|
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 )
|
|
);
|
|
|
|
#ifdef BOOST_MPL_IGNORE_PARENTHESES_WARNING
|
|
#undef BOOST_MPL_IGNORE_PARENTHESES_WARNING
|
|
#pragma GCC diagnostic pop
|
|
#endif
|
|
|
|
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
|
|
|
|
#if BOOST_WORKAROUND(BOOST_MSVC, == 1700)
|
|
|
|
// 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::make_assert_arg< \
|
|
typename boost::mpl::eval_assert<void pred>::type \
|
|
>() \
|
|
) \
|
|
) \
|
|
) \
|
|
/**/
|
|
|
|
// BOOST_MPL_ASSERT_NOT((pred<x,...>))
|
|
|
|
#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::make_assert_arg< \
|
|
typename boost::mpl::eval_assert_not<void pred>::type \
|
|
>() \
|
|
) \
|
|
) \
|
|
) \
|
|
/**/
|
|
|
|
#else
|
|
|
|
// 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
|
|
|
|
#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
|
|
|
|
#if 0
|
|
// Work around BOOST_MPL_ASSERT_MSG_IMPL generating multiple definition linker errors on VC++8.
|
|
// #if defined(BOOST_MSVC) && BOOST_MSVC < 1500
|
|
# include <boost/static_assert.hpp>
|
|
# define BOOST_MPL_ASSERT_MSG( c, msg, types_ ) \
|
|
BOOST_STATIC_ASSERT_MSG( c, #msg ) \
|
|
/**/
|
|
#else
|
|
# define BOOST_MPL_ASSERT_MSG( c, msg, types_ ) \
|
|
BOOST_MPL_ASSERT_MSG_IMPL( BOOST_MPL_AUX_PP_COUNTER(), c, msg, types_ ) \
|
|
/**/
|
|
#endif
|
|
|
|
#endif // BOOST_MPL_ASSERT_HPP_INCLUDED
|