Ugly, not-to-be-pushed sucking in of all of Boost to get windows to work.
[dyninst.git] / external / boost / mpl / aux_ / count_args.hpp
1
2 // NO INCLUDE GUARDS, THE HEADER IS INTENDED FOR MULTIPLE INCLUSION
3
4 // Copyright Aleksey Gurtovoy 2000-2004
5 //
6 // Distributed under the Boost Software License, Version 1.0. 
7 // (See accompanying file LICENSE_1_0.txt or copy at 
8 // http://www.boost.org/LICENSE_1_0.txt)
9 //
10 // See http://www.boost.org/libs/mpl for documentation.
11
12 // $Source: /cvsroot/boost/boost/boost/mpl/aux_/count_args.hpp,v $
13 // $Date: 2004/09/02 15:40:43 $
14 // $Revision: 1.5 $
15
16 #include <boost/preprocessor/expr_if.hpp>
17 #include <boost/preprocessor/inc.hpp>
18 #include <boost/preprocessor/cat.hpp>
19
20 #if !defined(AUX778076_COUNT_ARGS_PARAM_NAME)
21 #   define AUX778076_COUNT_ARGS_PARAM_NAME T
22 #endif
23
24 #if !defined(AUX778076_COUNT_ARGS_TEMPLATE_PARAM)
25 #   define AUX778076_COUNT_ARGS_TEMPLATE_PARAM typename AUX778076_COUNT_ARGS_PARAM_NAME
26 #endif
27
28 // local macros, #undef-ined at the end of the header
29
30 #if !defined(AUX778076_COUNT_ARGS_USE_STANDARD_PP_PRIMITIVES)
31
32 #   include <boost/mpl/aux_/preprocessor/repeat.hpp>
33 #   include <boost/mpl/aux_/preprocessor/params.hpp>
34
35 #   define AUX778076_COUNT_ARGS_REPEAT BOOST_MPL_PP_REPEAT
36 #   define AUX778076_COUNT_ARGS_PARAMS(param) \
37     BOOST_MPL_PP_PARAMS( \
38           AUX778076_COUNT_ARGS_ARITY \
39         , param \
40         ) \
41     /**/
42
43 #else
44
45 #   include <boost/preprocessor/enum_shifted_params.hpp>
46 #   include <boost/preprocessor/repeat.hpp>
47 #   include <boost/preprocessor/inc.hpp>
48
49 #   define AUX778076_COUNT_ARGS_REPEAT BOOST_PP_REPEAT
50 #   define AUX778076_COUNT_ARGS_PARAMS(param) \
51     BOOST_PP_ENUM_SHIFTED_PARAMS( \
52           BOOST_PP_INC(AUX778076_COUNT_ARGS_ARITY) \
53         , param \
54         ) \
55     /**/
56
57 #endif // AUX778076_COUNT_ARGS_USE_STANDARD_PP_PRIMITIVES
58
59
60 #define AUX778076_IS_ARG_TEMPLATE_NAME \
61     BOOST_PP_CAT(is_,BOOST_PP_CAT(AUX778076_COUNT_ARGS_PREFIX,_arg)) \
62 /**/
63
64 #define AUX778076_COUNT_ARGS_FUNC(unused, i, param) \
65     BOOST_PP_EXPR_IF(i, +) \
66     AUX778076_IS_ARG_TEMPLATE_NAME<BOOST_PP_CAT(param,BOOST_PP_INC(i))>::value \
67 /**/
68
69 // is_<xxx>_arg
70 template< AUX778076_COUNT_ARGS_TEMPLATE_PARAM >
71 struct AUX778076_IS_ARG_TEMPLATE_NAME
72 {
73     BOOST_STATIC_CONSTANT(bool, value = true);
74 };
75
76 template<>
77 struct AUX778076_IS_ARG_TEMPLATE_NAME<AUX778076_COUNT_ARGS_DEFAULT>
78 {
79     BOOST_STATIC_CONSTANT(bool, value = false);
80 };
81
82 // <xxx>_count_args
83 template<
84       AUX778076_COUNT_ARGS_PARAMS(AUX778076_COUNT_ARGS_TEMPLATE_PARAM)
85     >
86 struct BOOST_PP_CAT(AUX778076_COUNT_ARGS_PREFIX,_count_args)
87 {
88     BOOST_STATIC_CONSTANT(int, value = AUX778076_COUNT_ARGS_REPEAT(
89           AUX778076_COUNT_ARGS_ARITY
90         , AUX778076_COUNT_ARGS_FUNC
91         , AUX778076_COUNT_ARGS_PARAM_NAME
92         ));
93 };
94
95 #undef AUX778076_COUNT_ARGS_FUNC
96 #undef AUX778076_IS_ARG_TEMPLATE_NAME
97 #undef AUX778076_COUNT_ARGS_PARAMS
98 #undef AUX778076_COUNT_ARGS_REPEAT
99
100 #undef AUX778076_COUNT_ARGS_ARITY
101 #undef AUX778076_COUNT_ARGS_DEFAULT
102 #undef AUX778076_COUNT_ARGS_PREFIX
103 #undef AUX778076_COUNT_ARGS_USE_STANDARD_PP_PRIMITIVES
104 #undef AUX778076_COUNT_ARGS_TEMPLATE_PARAM
105 #undef AUX778076_COUNT_ARGS_PARAM_NAME