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

Revision 857, 2.1 KB checked in by igarcia, 18 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// Copyright Aleksey Gurtovoy 2000-2004
7//
8// Distributed under the Boost Software License, Version 1.0.
9// (See accompanying file LICENSE_1_0.txt or copy at
10// http://www.boost.org/LICENSE_1_0.txt)
11//
12// See http://www.boost.org/libs/mpl for documentation.
13
14// $Source: /cvsroot/boost/boost/boost/mpl/vector/aux_/numbered_c.hpp,v $
15// $Date: 2004/11/28 01:52:12 $
16// $Revision: 1.6 $
17
18#include <boost/preprocessor/enum_params.hpp>
19#include <boost/preprocessor/enum_shifted_params.hpp>
20#include <boost/preprocessor/comma_if.hpp>
21#include <boost/preprocessor/repeat.hpp>
22#include <boost/preprocessor/dec.hpp>
23#include <boost/preprocessor/cat.hpp>
24
25#define i_ BOOST_PP_FRAME_ITERATION(1)
26
27#if defined(BOOST_MPL_CFG_TYPEOF_BASED_SEQUENCES)
28
29#   define AUX778076_VECTOR_TAIL(vector, i_, C) \
30    BOOST_PP_CAT(BOOST_PP_CAT(vector,i_),_c)<T \
31          BOOST_PP_COMMA_IF(i_) BOOST_PP_ENUM_PARAMS(i_, C) \
32        > \
33    /**/
34
35#if i_ > 0
36template<
37      typename T
38    , BOOST_PP_ENUM_PARAMS(i_, T C)
39    >
40struct BOOST_PP_CAT(BOOST_PP_CAT(vector,i_),_c)
41    : v_item<
42          integral_c<T,BOOST_PP_CAT(C,BOOST_PP_DEC(i_))>
43        , AUX778076_VECTOR_TAIL(vector,BOOST_PP_DEC(i_),C)
44        >
45{
46    typedef BOOST_PP_CAT(BOOST_PP_CAT(vector,i_),_c) type;
47    typedef T value_type;
48};
49#endif
50
51#   undef AUX778076_VECTOR_TAIL
52
53#else // "brute force" implementation
54
55#   define AUX778076_VECTOR_C_PARAM_FUNC(unused, i_, param) \
56    BOOST_PP_COMMA_IF(i_) \
57    integral_c<T,BOOST_PP_CAT(param,i_)> \
58    /**/
59
60template<
61      typename T
62    , BOOST_PP_ENUM_PARAMS(i_, T C)
63    >
64struct BOOST_PP_CAT(BOOST_PP_CAT(vector,i_),_c)
65    : BOOST_PP_CAT(vector,i_)< BOOST_PP_REPEAT(i_,AUX778076_VECTOR_C_PARAM_FUNC,C) >
66{
67    typedef BOOST_PP_CAT(BOOST_PP_CAT(vector,i_),_c) type;
68    typedef T value_type;
69};
70
71#   undef AUX778076_VECTOR_C_PARAM_FUNC
72
73#endif // BOOST_MPL_CFG_TYPEOF_BASED_SEQUENCES
74
75#undef i_
76
77#endif // BOOST_PP_IS_ITERATING
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