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assert.hpp in vendors/XIOS/current/extern/boost/include/boost/mpl – NEMO

source: vendors/XIOS/current/extern/boost/include/boost/mpl/assert.hpp @ 3428

Last change on this file since 3428 was 3428, checked in by rblod, 12 years ago

importing initial XIOS vendor drop

File size: 12.0 KB
Line 
1
2#ifndef BOOST_MPL_ASSERT_HPP_INCLUDED
3#define BOOST_MPL_ASSERT_HPP_INCLUDED
4
5// Copyright Aleksey Gurtovoy 2000-2006
6//
7// Distributed under the Boost Software License, Version 1.0.
8// (See accompanying file LICENSE_1_0.txt or copy at
9// http://www.boost.org/LICENSE_1_0.txt)
10//
11// See http://www.boost.org/libs/mpl for documentation.
12
13// $Id: assert.hpp 49267 2008-10-11 06:19:02Z agurtovoy $
14// $Date: 2008-10-11 02:19:02 -0400 (Sat, 11 Oct 2008) $
15// $Revision: 49267 $
16
17#include <boost/mpl/not.hpp>
18#include <boost/mpl/aux_/value_wknd.hpp>
19#include <boost/mpl/aux_/nested_type_wknd.hpp>
20#include <boost/mpl/aux_/yes_no.hpp>
21#include <boost/mpl/aux_/na.hpp>
22#include <boost/mpl/aux_/adl_barrier.hpp>
23
24#include <boost/mpl/aux_/config/nttp.hpp>
25#include <boost/mpl/aux_/config/dtp.hpp>
26#include <boost/mpl/aux_/config/gcc.hpp>
27#include <boost/mpl/aux_/config/msvc.hpp>
28#include <boost/mpl/aux_/config/static_constant.hpp>
29#include <boost/mpl/aux_/config/pp_counter.hpp>
30#include <boost/mpl/aux_/config/workaround.hpp>
31
32#include <boost/preprocessor/cat.hpp>
33
34#include <boost/config.hpp> // make sure 'size_t' is placed into 'std'
35#include <cstddef>
36
37
38#if BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x610)) \
39    || (BOOST_MPL_CFG_GCC != 0) \
40    || BOOST_WORKAROUND(__IBMCPP__, <= 600)
41#   define BOOST_MPL_CFG_ASSERT_USE_RELATION_NAMES
42#endif
43
44#if BOOST_WORKAROUND(__MWERKS__, < 0x3202) \
45    || BOOST_WORKAROUND(__EDG_VERSION__, <= 238) \
46    || BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x610)) \
47    || BOOST_WORKAROUND(__DMC__, BOOST_TESTED_AT(0x840))
48#   define BOOST_MPL_CFG_ASSERT_BROKEN_POINTER_TO_POINTER_TO_MEMBER
49#endif
50
51// agurt, 10/nov/06: use enums for Borland (which cannot cope with static constants)
52// and GCC (which issues "unused variable" warnings when static constants are used
53// at a function scope)
54#if BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x610)) \
55    || (BOOST_MPL_CFG_GCC != 0)
56#   define BOOST_MPL_AUX_ASSERT_CONSTANT(T, expr) enum { expr }
57#else
58#   define BOOST_MPL_AUX_ASSERT_CONSTANT(T, expr) BOOST_STATIC_CONSTANT(T, expr)
59#endif
60
61
62BOOST_MPL_AUX_ADL_BARRIER_NAMESPACE_OPEN
63
64struct failed {};
65
66// agurt, 24/aug/04: MSVC 7.1 workaround here and below: return/accept
67// 'assert<false>' by reference; can't apply it unconditionally -- apparently it
68// degrades the quality of GCC diagnostics
69#if BOOST_WORKAROUND(BOOST_MSVC, == 1310)
70#   define AUX778076_ASSERT_ARG(x) x&
71#else
72#   define AUX778076_ASSERT_ARG(x) x
73#endif
74
75template< bool C >  struct assert        { typedef void* type; };
76template<>          struct assert<false> { typedef AUX778076_ASSERT_ARG(assert) type; };
77
78template< bool C >
79int assertion_failed( typename assert<C>::type );
80
81template< bool C >
82struct assertion
83{
84    static int failed( assert<false> );
85};
86
87template<>
88struct assertion<true>
89{
90    static int failed( void* );
91};
92
93struct assert_
94{
95#if !defined(BOOST_MPL_CFG_NO_DEFAULT_PARAMETERS_IN_NESTED_TEMPLATES)
96    template< typename T1, typename T2 = na, typename T3 = na, typename T4 = na > struct types {};
97#endif
98    static assert_ const arg;
99    enum relations { equal = 1, not_equal, greater, greater_equal, less, less_equal };
100};
101
102
103#if !defined(BOOST_MPL_CFG_ASSERT_USE_RELATION_NAMES)
104
105bool operator==( failed, failed );
106bool operator!=( failed, failed );
107bool operator>( failed, failed );
108bool operator>=( failed, failed );
109bool operator<( failed, failed );
110bool operator<=( failed, failed );
111
112#if defined(__EDG_VERSION__)
113template< bool (*)(failed, failed), long x, long y > struct assert_relation {};
114#   define BOOST_MPL_AUX_ASSERT_RELATION(x, y, r) assert_relation<r,x,y>
115#else
116template< BOOST_MPL_AUX_NTTP_DECL(long, x), BOOST_MPL_AUX_NTTP_DECL(long, y), bool (*)(failed, failed) > 
117struct assert_relation {};
118#   define BOOST_MPL_AUX_ASSERT_RELATION(x, y, r) assert_relation<x,y,r>
119#endif
120
121#else // BOOST_MPL_CFG_ASSERT_USE_RELATION_NAMES
122
123boost::mpl::aux::weighted_tag<1>::type operator==( assert_, assert_ );
124boost::mpl::aux::weighted_tag<2>::type operator!=( assert_, assert_ );
125boost::mpl::aux::weighted_tag<3>::type operator>(  assert_, assert_ );
126boost::mpl::aux::weighted_tag<4>::type operator>=( assert_, assert_ );
127boost::mpl::aux::weighted_tag<5>::type operator<( assert_, assert_ );
128boost::mpl::aux::weighted_tag<6>::type operator<=( assert_, assert_ );
129
130template< assert_::relations r, long x, long y > struct assert_relation {};
131
132#endif
133
134
135#if !defined(BOOST_MPL_CFG_ASSERT_BROKEN_POINTER_TO_POINTER_TO_MEMBER)
136
137template< bool > struct assert_arg_pred_impl { typedef int type; };
138template<> struct assert_arg_pred_impl<true> { typedef void* type; };
139
140template< typename P > struct assert_arg_pred
141{
142    typedef typename P::type p_type;
143    typedef typename assert_arg_pred_impl< p_type::value >::type type;
144};
145
146template< typename P > struct assert_arg_pred_not
147{
148    typedef typename P::type p_type;
149    BOOST_MPL_AUX_ASSERT_CONSTANT( bool, p = !p_type::value );
150    typedef typename assert_arg_pred_impl<p>::type type;
151};
152
153template< typename Pred >
154failed ************ (Pred::************ 
155      assert_arg( void (*)(Pred), typename assert_arg_pred<Pred>::type )
156    );
157
158template< typename Pred >
159failed ************ (boost::mpl::not_<Pred>::************ 
160      assert_not_arg( void (*)(Pred), typename assert_arg_pred_not<Pred>::type )
161    );
162
163template< typename Pred >
164AUX778076_ASSERT_ARG(assert<false>)
165assert_arg( void (*)(Pred), typename assert_arg_pred_not<Pred>::type );
166
167template< typename Pred >
168AUX778076_ASSERT_ARG(assert<false>)
169assert_not_arg( void (*)(Pred), typename assert_arg_pred<Pred>::type );
170
171
172#else // BOOST_MPL_CFG_ASSERT_BROKEN_POINTER_TO_POINTER_TO_MEMBER
173       
174template< bool c, typename Pred > struct assert_arg_type_impl
175{
176    typedef failed      ************ Pred::* mwcw83_wknd;
177    typedef mwcw83_wknd ************* type;
178};
179
180template< typename Pred > struct assert_arg_type_impl<true,Pred>
181{
182    typedef AUX778076_ASSERT_ARG(assert<false>) type;
183};
184
185template< typename Pred > struct assert_arg_type
186    : assert_arg_type_impl< BOOST_MPL_AUX_VALUE_WKND(BOOST_MPL_AUX_NESTED_TYPE_WKND(Pred))::value, Pred >
187{
188};
189
190template< typename Pred >
191typename assert_arg_type<Pred>::type
192assert_arg(void (*)(Pred), int);
193
194template< typename Pred >
195typename assert_arg_type< boost::mpl::not_<Pred> >::type
196assert_not_arg(void (*)(Pred), int);
197
198#   if !defined(BOOST_MPL_CFG_ASSERT_USE_RELATION_NAMES)
199template< long x, long y, bool (*r)(failed, failed) >
200typename assert_arg_type_impl< false,BOOST_MPL_AUX_ASSERT_RELATION(x,y,r) >::type
201assert_rel_arg( BOOST_MPL_AUX_ASSERT_RELATION(x,y,r) );
202#   else
203template< assert_::relations r, long x, long y >
204typename assert_arg_type_impl< false,assert_relation<r,x,y> >::type
205assert_rel_arg( assert_relation<r,x,y> );
206#   endif
207
208#endif // BOOST_MPL_CFG_ASSERT_BROKEN_POINTER_TO_POINTER_TO_MEMBER
209
210#undef AUX778076_ASSERT_ARG
211
212BOOST_MPL_AUX_ADL_BARRIER_NAMESPACE_CLOSE
213
214
215// BOOST_MPL_ASSERT((pred<x,...>))
216
217#define BOOST_MPL_ASSERT(pred) \
218BOOST_MPL_AUX_ASSERT_CONSTANT( \
219      std::size_t \
220    , BOOST_PP_CAT(mpl_assertion_in_line_,BOOST_MPL_AUX_PP_COUNTER()) = sizeof( \
221          boost::mpl::assertion_failed<false>( \
222              boost::mpl::assert_arg( (void (*) pred)0, 1 ) \
223            ) \
224        ) \
225    ) \
226/**/
227
228// BOOST_MPL_ASSERT_NOT((pred<x,...>))
229
230#if BOOST_WORKAROUND(BOOST_MSVC, <= 1300)
231#   define BOOST_MPL_ASSERT_NOT(pred) \
232enum { \
233      BOOST_PP_CAT(mpl_assertion_in_line_,BOOST_MPL_AUX_PP_COUNTER()) = sizeof( \
234          boost::mpl::assertion<false>::failed( \
235              boost::mpl::assert_not_arg( (void (*) pred)0, 1 ) \
236            ) \
237        ) \
238}\
239/**/
240#else
241#   define BOOST_MPL_ASSERT_NOT(pred) \
242BOOST_MPL_AUX_ASSERT_CONSTANT( \
243      std::size_t \
244    , BOOST_PP_CAT(mpl_assertion_in_line_,BOOST_MPL_AUX_PP_COUNTER()) = sizeof( \
245          boost::mpl::assertion_failed<false>( \
246              boost::mpl::assert_not_arg( (void (*) pred)0, 1 ) \
247            ) \
248        ) \
249   ) \
250/**/
251#endif
252
253// BOOST_MPL_ASSERT_RELATION(x, ==|!=|<=|<|>=|>, y)
254
255#if defined(BOOST_MPL_CFG_ASSERT_USE_RELATION_NAMES)
256
257#   if !defined(BOOST_MPL_CFG_ASSERT_BROKEN_POINTER_TO_POINTER_TO_MEMBER)
258// agurt, 9/nov/06: 'enum' below is a workaround for gcc 4.0.4/4.1.1 bugs #29522 and #29518
259#   define BOOST_MPL_ASSERT_RELATION_IMPL(counter, x, rel, y)      \
260enum { BOOST_PP_CAT(mpl_assert_rel_value,counter) = (x rel y) }; \
261BOOST_MPL_AUX_ASSERT_CONSTANT( \
262      std::size_t \
263    , BOOST_PP_CAT(mpl_assertion_in_line_,counter) = sizeof( \
264        boost::mpl::assertion_failed<BOOST_PP_CAT(mpl_assert_rel_value,counter)>( \
265            (boost::mpl::failed ************ ( boost::mpl::assert_relation< \
266                  boost::mpl::assert_::relations( sizeof( \
267                      boost::mpl::assert_::arg rel boost::mpl::assert_::arg \
268                    ) ) \
269                , x \
270                , y \
271                >::************)) 0 ) \
272        ) \
273    ) \
274/**/
275#   else
276#   define BOOST_MPL_ASSERT_RELATION_IMPL(counter, x, rel, y)    \
277BOOST_MPL_AUX_ASSERT_CONSTANT( \
278      std::size_t \
279    , BOOST_PP_CAT(mpl_assert_rel,counter) = sizeof( \
280          boost::mpl::assert_::arg rel boost::mpl::assert_::arg \
281        ) \
282    ); \
283BOOST_MPL_AUX_ASSERT_CONSTANT( bool, BOOST_PP_CAT(mpl_assert_rel_value,counter) = (x rel y) ); \
284BOOST_MPL_AUX_ASSERT_CONSTANT( \
285      std::size_t \
286    , BOOST_PP_CAT(mpl_assertion_in_line_,counter) = sizeof( \
287        boost::mpl::assertion_failed<BOOST_PP_CAT(mpl_assert_rel_value,counter)>( \
288              boost::mpl::assert_rel_arg( boost::mpl::assert_relation< \
289                  boost::mpl::assert_::relations(BOOST_PP_CAT(mpl_assert_rel,counter)) \
290                , x \
291                , y \
292                >() ) \
293            ) \
294        ) \
295    ) \
296/**/
297#   endif
298
299#   define BOOST_MPL_ASSERT_RELATION(x, rel, y) \
300BOOST_MPL_ASSERT_RELATION_IMPL(BOOST_MPL_AUX_PP_COUNTER(), x, rel, y) \
301/**/
302
303#else // !BOOST_MPL_CFG_ASSERT_USE_RELATION_NAMES
304
305#   if defined(BOOST_MPL_CFG_ASSERT_BROKEN_POINTER_TO_POINTER_TO_MEMBER)
306#   define BOOST_MPL_ASSERT_RELATION(x, rel, y) \
307BOOST_MPL_AUX_ASSERT_CONSTANT( \
308      std::size_t \
309    , BOOST_PP_CAT(mpl_assertion_in_line_,BOOST_MPL_AUX_PP_COUNTER()) = sizeof( \
310        boost::mpl::assertion_failed<(x rel y)>( boost::mpl::assert_rel_arg( \
311              boost::mpl::BOOST_MPL_AUX_ASSERT_RELATION(x,y,(&boost::mpl::operator rel))() \
312            ) ) \
313        ) \
314    ) \
315/**/
316#   else
317#   define BOOST_MPL_ASSERT_RELATION(x, rel, y) \
318BOOST_MPL_AUX_ASSERT_CONSTANT( \
319      std::size_t \
320    , BOOST_PP_CAT(mpl_assertion_in_line_,BOOST_MPL_AUX_PP_COUNTER()) = sizeof( \
321        boost::mpl::assertion_failed<(x rel y)>( (boost::mpl::failed ************ ( \
322            boost::mpl::BOOST_MPL_AUX_ASSERT_RELATION(x,y,(&boost::mpl::operator rel))::************))0 ) \
323        ) \
324    ) \
325/**/
326#   endif
327
328#endif
329
330
331// BOOST_MPL_ASSERT_MSG( (pred<x,...>::value), USER_PROVIDED_MESSAGE, (types<x,...>) )
332
333#if BOOST_WORKAROUND(__MWERKS__, BOOST_TESTED_AT(0x3202))
334#   define BOOST_MPL_ASSERT_MSG_IMPL( counter, c, msg, types_ ) \
335struct msg; \
336typedef struct BOOST_PP_CAT(msg,counter) : boost::mpl::assert_ \
337{ \
338    using boost::mpl::assert_::types; \
339    static boost::mpl::failed ************ (msg::************ assert_arg()) types_ \
340    { return 0; } \
341} BOOST_PP_CAT(mpl_assert_arg,counter); \
342BOOST_MPL_AUX_ASSERT_CONSTANT( \
343      std::size_t \
344    , BOOST_PP_CAT(mpl_assertion_in_line_,counter) = sizeof( \
345        boost::mpl::assertion<(c)>::failed( BOOST_PP_CAT(mpl_assert_arg,counter)::assert_arg() ) \
346        ) \
347    ) \
348/**/
349#else
350#   define BOOST_MPL_ASSERT_MSG_IMPL( counter, c, msg, types_ )  \
351struct msg; \
352typedef struct BOOST_PP_CAT(msg,counter) : boost::mpl::assert_ \
353{ \
354    static boost::mpl::failed ************ (msg::************ assert_arg()) types_ \
355    { return 0; } \
356} BOOST_PP_CAT(mpl_assert_arg,counter); \
357BOOST_MPL_AUX_ASSERT_CONSTANT( \
358      std::size_t \
359    , BOOST_PP_CAT(mpl_assertion_in_line_,counter) = sizeof( \
360        boost::mpl::assertion_failed<(c)>( BOOST_PP_CAT(mpl_assert_arg,counter)::assert_arg() ) \
361        ) \
362    ) \
363/**/
364#endif
365
366#define BOOST_MPL_ASSERT_MSG( c, msg, types_ ) \
367BOOST_MPL_ASSERT_MSG_IMPL( BOOST_MPL_AUX_PP_COUNTER(), c, msg, types_ ) \
368/**/
369
370#endif // BOOST_MPL_ASSERT_HPP_INCLUDED
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