source: NonGTP/Boost/boost/mpl/aux_/sequence_wrapper.hpp @ 857

Revision 857, 8.1 KB checked in by igarcia, 19 years ago (diff)
Line 
1
2// NO INCLUDE GUARDS, THE HEADER IS INTENDED FOR MULTIPLE INCLUSION
3
4#if !defined(BOOST_PP_IS_ITERATING)
5
6///// header body
7
8// Copyright Aleksey Gurtovoy 2000-2004
9//
10// Distributed under the Boost Software License, Version 1.0.
11// (See accompanying file LICENSE_1_0.txt or copy at
12// http://www.boost.org/LICENSE_1_0.txt)
13//
14// See http://www.boost.org/libs/mpl for documentation.
15
16// $Source: /cvsroot/boost/boost/boost/mpl/aux_/sequence_wrapper.hpp,v $
17// $Date: 2004/11/28 01:46:37 $
18// $Revision: 1.4 $
19
20#   include <boost/mpl/aux_/config/ctps.hpp>
21#   include <boost/mpl/aux_/config/static_constant.hpp>
22#   include <boost/mpl/aux_/nttp_decl.hpp>
23
24#   include <boost/preprocessor/arithmetic/sub.hpp>
25#   include <boost/preprocessor/tuple/elem.hpp>
26#   include <boost/preprocessor/enum_params_with_a_default.hpp>
27#   include <boost/preprocessor/enum_params.hpp>
28#   include <boost/preprocessor/enum.hpp>
29#   include <boost/preprocessor/repeat.hpp>
30#   include <boost/preprocessor/comma_if.hpp>
31#   include <boost/preprocessor/iterate.hpp>
32
33#if defined(BOOST_MPL_PREPROCESSING_MODE)
34#   undef LONG_MAX
35#endif
36
37namespace boost { namespace mpl {
38
39#if !defined(AUX778076_SEQUENCE_BASE_NAME)
40#   define AUX778076_SEQUENCE_BASE_NAME AUX778076_SEQUENCE_NAME
41#endif
42
43#if !defined(AUX778076_SEQUENCE_INTEGRAL_WRAPPER)
44
45#   define AUX778076_SEQUENCE_PARAM_NAME T
46#   define AUX778076_SEQUENCE_TEMPLATE_PARAM typename T
47#   define AUX778076_SEQUENCE_DEFAULT na
48
49#   define AUX778076_SEQUENCE_NAME_N(n) \
50    BOOST_PP_CAT(AUX778076_SEQUENCE_BASE_NAME,n) \
51    /**/
52
53#   define AUX778076_SEQUENCE_PARAMS() \
54    BOOST_PP_ENUM_PARAMS( \
55          AUX778076_SEQUENCE_LIMIT \
56        , AUX778076_SEQUENCE_TEMPLATE_PARAM \
57        ) \
58    /**/
59
60#   define AUX778076_SEQUENCE_ARGS() \
61    BOOST_PP_ENUM_PARAMS( \
62          AUX778076_SEQUENCE_LIMIT \
63        , T \
64        ) \
65    /**/
66
67#   define AUX778076_SEQUENCE_DEFAULT_PARAMS() \
68     BOOST_PP_ENUM_PARAMS_WITH_A_DEFAULT( \
69          AUX778076_SEQUENCE_LIMIT \
70        , AUX778076_SEQUENCE_TEMPLATE_PARAM \
71        , AUX778076_SEQUENCE_DEFAULT \
72        ) \
73    /**/
74
75#   define AUX778076_SEQUENCE_N_PARAMS(n) \
76    BOOST_PP_ENUM_PARAMS(n, AUX778076_SEQUENCE_TEMPLATE_PARAM) \
77    /**/
78
79#   define AUX778076_SEQUENCE_N_ARGS(n) \
80    BOOST_PP_ENUM_PARAMS(n, T) \
81    /**/
82
83#   define AUX778076_SEQUENCE_N_PARTIAL_SPEC_ARGS(n) \
84    BOOST_PP_ENUM_PARAMS(n, T) \
85    BOOST_PP_COMMA_IF(n) \
86    BOOST_PP_ENUM( \
87          BOOST_PP_SUB_D(1,AUX778076_SEQUENCE_LIMIT,n) \
88        , BOOST_PP_TUPLE_ELEM_3_2 \
89        , AUX778076_SEQUENCE_DEFAULT \
90        ) \
91    /**/
92
93#else // AUX778076_SEQUENCE_INTEGRAL_WRAPPER
94
95#   define AUX778076_SEQUENCE_PARAM_NAME C
96#   define AUX778076_SEQUENCE_TEMPLATE_PARAM BOOST_MPL_AUX_NTTP_DECL(long, C)
97#   define AUX778076_SEQUENCE_DEFAULT LONG_MAX
98
99#   define AUX778076_SEQUENCE_PARAMS() \
100    typename T, BOOST_PP_ENUM_PARAMS( \
101          AUX778076_SEQUENCE_LIMIT \
102        , AUX778076_SEQUENCE_TEMPLATE_PARAM \
103        ) \
104    /**/
105
106#   define AUX778076_SEQUENCE_ARGS() \
107    T, BOOST_PP_ENUM_PARAMS( \
108          AUX778076_SEQUENCE_LIMIT \
109        , C \
110        ) \
111    /**/
112
113#   define AUX778076_SEQUENCE_DEFAULT_PARAMS() \
114    typename T, \
115    BOOST_PP_ENUM_PARAMS_WITH_A_DEFAULT( \
116          AUX778076_SEQUENCE_LIMIT \
117        , AUX778076_SEQUENCE_TEMPLATE_PARAM \
118        , AUX778076_SEQUENCE_DEFAULT \
119        ) \
120    /**/
121
122#   define AUX778076_SEQUENCE_N_PARAMS(n) \
123    typename T BOOST_PP_COMMA_IF(n) \
124    BOOST_PP_ENUM_PARAMS(n, AUX778076_SEQUENCE_TEMPLATE_PARAM) \
125    /**/
126
127#   define AUX778076_SEQUENCE_N_ARGS(n) \
128    T BOOST_PP_COMMA_IF(n) \
129    BOOST_PP_ENUM_PARAMS(n, C) \
130    /**/
131
132#   define AUX778076_SEQUENCE_N_PARTIAL_SPEC_ARGS(n) \
133    T, BOOST_PP_ENUM_PARAMS(n, C) \
134    BOOST_PP_COMMA_IF(n) \
135    BOOST_PP_ENUM( \
136          BOOST_PP_SUB_D(1,AUX778076_SEQUENCE_LIMIT,n) \
137        , BOOST_PP_TUPLE_ELEM_3_2 \
138        , AUX778076_SEQUENCE_DEFAULT \
139        ) \
140    /**/
141
142#endif // AUX778076_SEQUENCE_INTEGRAL_WRAPPER
143
144
145#if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION)
146// forward declaration
147template<
148      AUX778076_SEQUENCE_DEFAULT_PARAMS()
149    >
150struct AUX778076_SEQUENCE_NAME;
151#else
152namespace aux {
153template< BOOST_MPL_AUX_NTTP_DECL(int, N) >
154struct BOOST_PP_CAT(AUX778076_SEQUENCE_NAME,_chooser);
155}
156#endif
157
158#define BOOST_PP_ITERATION_PARAMS_1 \
159    (3,(0, AUX778076_SEQUENCE_LIMIT, <boost/mpl/aux_/sequence_wrapper.hpp>))
160#include BOOST_PP_ITERATE()
161
162// real C++ version is already taken care of
163#if defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION)
164
165namespace aux {
166// ???_count_args
167#define AUX778076_COUNT_ARGS_PREFIX         AUX778076_SEQUENCE_NAME
168#define AUX778076_COUNT_ARGS_DEFAULT        AUX778076_SEQUENCE_DEFAULT
169#define AUX778076_COUNT_ARGS_PARAM_NAME     AUX778076_SEQUENCE_PARAM_NAME
170#define AUX778076_COUNT_ARGS_TEMPLATE_PARAM AUX778076_SEQUENCE_TEMPLATE_PARAM
171#define AUX778076_COUNT_ARGS_ARITY          AUX778076_SEQUENCE_LIMIT
172#define AUX778076_COUNT_ARGS_USE_STANDARD_PP_PRIMITIVES
173#include <boost/mpl/aux_/count_args.hpp>
174
175template<
176      AUX778076_SEQUENCE_PARAMS()
177    >
178struct BOOST_PP_CAT(AUX778076_SEQUENCE_NAME,_impl)
179{
180    typedef aux::BOOST_PP_CAT(AUX778076_SEQUENCE_NAME,_count_args)<
181          BOOST_PP_ENUM_PARAMS(AUX778076_SEQUENCE_LIMIT, AUX778076_SEQUENCE_PARAM_NAME)
182        > arg_num_;
183   
184    typedef typename aux::BOOST_PP_CAT(AUX778076_SEQUENCE_NAME,_chooser)< arg_num_::value >
185        ::template result_< AUX778076_SEQUENCE_ARGS() >::type type;
186};
187
188} // namespace aux
189
190template<
191      AUX778076_SEQUENCE_DEFAULT_PARAMS()
192    >
193struct AUX778076_SEQUENCE_NAME
194    : aux::BOOST_PP_CAT(AUX778076_SEQUENCE_NAME,_impl)<
195          AUX778076_SEQUENCE_ARGS()
196        >::type
197{
198    typedef typename aux::BOOST_PP_CAT(AUX778076_SEQUENCE_NAME,_impl)<
199          AUX778076_SEQUENCE_ARGS()
200        >::type type;
201};
202
203#endif // BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
204
205#   undef AUX778076_SEQUENCE_N_PARTIAL_SPEC_ARGS
206#   undef AUX778076_SEQUENCE_N_ARGS
207#   undef AUX778076_SEQUENCE_N_PARAMS
208#   undef AUX778076_SEQUENCE_DEFAULT_PARAMS
209#   undef AUX778076_SEQUENCE_ARGS
210#   undef AUX778076_SEQUENCE_PARAMS
211#   undef AUX778076_SEQUENCE_NAME_N
212#   undef AUX778076_SEQUENCE_DEFAULT
213#   undef AUX778076_SEQUENCE_TEMPLATE_PARAM
214#   undef AUX778076_SEQUENCE_PARAM_NAME
215#   undef AUX778076_SEQUENCE_LIMIT
216#   undef AUX778076_SEQUENCE_BASE_NAME
217#   undef AUX778076_SEQUENCE_NAME
218#   undef AUX778076_SEQUENCE_INTEGRAL_WRAPPER
219
220}}
221
222///// iteration
223
224#else
225#define i_ BOOST_PP_FRAME_ITERATION(1)
226
227#   if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION)
228
229#if i_ == AUX778076_SEQUENCE_LIMIT
230
231/// primary template (not a specialization!)
232template<
233      AUX778076_SEQUENCE_N_PARAMS(i_)
234    >
235struct AUX778076_SEQUENCE_NAME
236    : AUX778076_SEQUENCE_NAME_N(i_)< AUX778076_SEQUENCE_N_ARGS(i_) >
237{
238    typedef typename AUX778076_SEQUENCE_NAME_N(i_)< AUX778076_SEQUENCE_N_ARGS(i_) >::type type;
239};
240
241#else
242
243template<
244      AUX778076_SEQUENCE_N_PARAMS(i_)
245    >
246struct AUX778076_SEQUENCE_NAME< AUX778076_SEQUENCE_N_PARTIAL_SPEC_ARGS(i_) >
247    : AUX778076_SEQUENCE_NAME_N(i_)< AUX778076_SEQUENCE_N_ARGS(i_) >
248{
249#if i_ > 0 || defined(AUX778076_SEQUENCE_INTEGRAL_WRAPPER)
250    typedef typename AUX778076_SEQUENCE_NAME_N(i_)< AUX778076_SEQUENCE_N_ARGS(i_) >::type type;
251#else
252    typedef AUX778076_SEQUENCE_NAME_N(i_)< AUX778076_SEQUENCE_N_ARGS(i_) >::type type;
253#endif
254};
255
256#endif // i_ == AUX778076_SEQUENCE_LIMIT
257
258#   else
259
260namespace aux {
261
262template<>
263struct BOOST_PP_CAT(AUX778076_SEQUENCE_NAME,_chooser)<i_>
264{
265    template<
266          AUX778076_SEQUENCE_PARAMS()
267        >
268    struct result_
269    {
270#if i_ > 0 || defined(AUX778076_SEQUENCE_INTEGRAL_WRAPPER)
271        typedef typename AUX778076_SEQUENCE_NAME_N(i_)<
272              AUX778076_SEQUENCE_N_ARGS(i_)
273            >::type type;
274#else
275        typedef AUX778076_SEQUENCE_NAME_N(i_)<
276              AUX778076_SEQUENCE_N_ARGS(i_)
277            >::type type;
278#endif
279    };
280};
281
282} // namespace aux
283
284#   endif // BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
285
286#undef i_
287#endif // BOOST_PP_IS_ITERATING
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