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1 | |
2 | #ifndef BOOST_MPL_AUX_NA_SPEC_HPP_INCLUDED | |
3 | #define BOOST_MPL_AUX_NA_SPEC_HPP_INCLUDED | |
4 | ||
5 | // Copyright Aleksey Gurtovoy 2001-2004 | |
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 | // $Id$ | |
14 | // $Date$ | |
15 | // $Revision$ | |
16 | ||
17 | #if !defined(BOOST_MPL_PREPROCESSING_MODE) | |
18 | # include <boost/mpl/lambda_fwd.hpp> | |
19 | # include <boost/mpl/int.hpp> | |
20 | # include <boost/mpl/bool.hpp> | |
21 | # include <boost/mpl/aux_/na.hpp> | |
22 | # include <boost/mpl/aux_/arity.hpp> | |
23 | # include <boost/mpl/aux_/template_arity_fwd.hpp> | |
24 | #endif | |
25 | ||
26 | #include <boost/mpl/aux_/preprocessor/params.hpp> | |
27 | #include <boost/mpl/aux_/preprocessor/enum.hpp> | |
28 | #include <boost/mpl/aux_/preprocessor/def_params_tail.hpp> | |
29 | #include <boost/mpl/aux_/lambda_arity_param.hpp> | |
30 | #include <boost/mpl/aux_/config/dtp.hpp> | |
31 | #include <boost/mpl/aux_/config/eti.hpp> | |
32 | #include <boost/mpl/aux_/nttp_decl.hpp> | |
33 | #include <boost/mpl/aux_/config/ttp.hpp> | |
34 | #include <boost/mpl/aux_/config/lambda.hpp> | |
35 | #include <boost/mpl/aux_/config/overload_resolution.hpp> | |
36 | ||
37 | ||
38 | #define BOOST_MPL_AUX_NA_PARAMS(i) \ | |
39 | BOOST_MPL_PP_ENUM(i, na) \ | |
40 | /**/ | |
41 | ||
42 | #if defined(BOOST_MPL_CFG_BROKEN_DEFAULT_PARAMETERS_IN_NESTED_TEMPLATES) | |
43 | # define BOOST_MPL_AUX_NA_SPEC_ARITY(i, name) \ | |
44 | namespace aux { \ | |
45 | template< BOOST_MPL_AUX_NTTP_DECL(int, N) > \ | |
46 | struct arity< \ | |
47 | name< BOOST_MPL_AUX_NA_PARAMS(i) > \ | |
48 | , N \ | |
49 | > \ | |
50 | : int_< BOOST_MPL_LIMIT_METAFUNCTION_ARITY > \ | |
51 | { \ | |
52 | }; \ | |
53 | } \ | |
54 | /**/ | |
55 | #else | |
56 | # define BOOST_MPL_AUX_NA_SPEC_ARITY(i, name) /**/ | |
57 | #endif | |
58 | ||
59 | #define BOOST_MPL_AUX_NA_SPEC_MAIN(i, name) \ | |
60 | template<> \ | |
61 | struct name< BOOST_MPL_AUX_NA_PARAMS(i) > \ | |
62 | { \ | |
63 | template< \ | |
64 | BOOST_MPL_PP_PARAMS(i, typename T) \ | |
65 | BOOST_MPL_PP_NESTED_DEF_PARAMS_TAIL(i, typename T, na) \ | |
66 | > \ | |
67 | struct apply \ | |
68 | : name< BOOST_MPL_PP_PARAMS(i, T) > \ | |
69 | { \ | |
70 | }; \ | |
71 | }; \ | |
72 | /**/ | |
73 | ||
74 | #if defined(BOOST_MPL_CFG_NO_FULL_LAMBDA_SUPPORT) | |
75 | # define BOOST_MPL_AUX_NA_SPEC_LAMBDA(i, name) \ | |
76 | template<> \ | |
77 | struct lambda< \ | |
78 | name< BOOST_MPL_AUX_NA_PARAMS(i) > \ | |
79 | , void_ \ | |
80 | , true_ \ | |
81 | > \ | |
82 | { \ | |
83 | typedef false_ is_le; \ | |
84 | typedef name< BOOST_MPL_AUX_NA_PARAMS(i) > type; \ | |
85 | }; \ | |
86 | template<> \ | |
87 | struct lambda< \ | |
88 | name< BOOST_MPL_AUX_NA_PARAMS(i) > \ | |
89 | , void_ \ | |
90 | , false_ \ | |
91 | > \ | |
92 | { \ | |
93 | typedef false_ is_le; \ | |
94 | typedef name< BOOST_MPL_AUX_NA_PARAMS(i) > type; \ | |
95 | }; \ | |
96 | /**/ | |
97 | #else | |
98 | # define BOOST_MPL_AUX_NA_SPEC_LAMBDA(i, name) \ | |
99 | template< typename Tag > \ | |
100 | struct lambda< \ | |
101 | name< BOOST_MPL_AUX_NA_PARAMS(i) > \ | |
102 | , Tag \ | |
103 | BOOST_MPL_AUX_LAMBDA_ARITY_PARAM(int_<-1>) \ | |
104 | > \ | |
105 | { \ | |
106 | typedef false_ is_le; \ | |
107 | typedef name< BOOST_MPL_AUX_NA_PARAMS(i) > result_; \ | |
108 | typedef name< BOOST_MPL_AUX_NA_PARAMS(i) > type; \ | |
109 | }; \ | |
110 | /**/ | |
111 | #endif | |
112 | ||
113 | #if defined(BOOST_MPL_CFG_EXTENDED_TEMPLATE_PARAMETERS_MATCHING) \ | |
114 | || defined(BOOST_MPL_CFG_NO_FULL_LAMBDA_SUPPORT) \ | |
115 | && defined(BOOST_MPL_CFG_BROKEN_OVERLOAD_RESOLUTION) | |
116 | # define BOOST_MPL_AUX_NA_SPEC_TEMPLATE_ARITY(i, j, name) \ | |
117 | namespace aux { \ | |
118 | template< BOOST_MPL_PP_PARAMS(j, typename T) > \ | |
119 | struct template_arity< \ | |
120 | name< BOOST_MPL_PP_PARAMS(j, T) > \ | |
121 | > \ | |
122 | : int_<j> \ | |
123 | { \ | |
124 | }; \ | |
125 | \ | |
126 | template<> \ | |
127 | struct template_arity< \ | |
128 | name< BOOST_MPL_PP_ENUM(i, na) > \ | |
129 | > \ | |
130 | : int_<-1> \ | |
131 | { \ | |
132 | }; \ | |
133 | } \ | |
134 | /**/ | |
135 | #else | |
136 | # define BOOST_MPL_AUX_NA_SPEC_TEMPLATE_ARITY(i, j, name) /**/ | |
137 | #endif | |
138 | ||
139 | #if defined(BOOST_MPL_CFG_MSVC_ETI_BUG) | |
140 | # define BOOST_MPL_AUX_NA_SPEC_ETI(i, name) \ | |
141 | template<> \ | |
142 | struct name< BOOST_MPL_PP_ENUM(i, int) > \ | |
143 | { \ | |
144 | typedef int type; \ | |
145 | enum { value = 0 }; \ | |
146 | }; \ | |
147 | /**/ | |
148 | #else | |
149 | # define BOOST_MPL_AUX_NA_SPEC_ETI(i, name) /**/ | |
150 | #endif | |
151 | ||
152 | #define BOOST_MPL_AUX_NA_PARAM(param) param = na | |
153 | ||
154 | #define BOOST_MPL_AUX_NA_SPEC_NO_ETI(i, name) \ | |
155 | BOOST_MPL_AUX_NA_SPEC_MAIN(i, name) \ | |
156 | BOOST_MPL_AUX_NA_SPEC_LAMBDA(i, name) \ | |
157 | BOOST_MPL_AUX_NA_SPEC_ARITY(i, name) \ | |
158 | BOOST_MPL_AUX_NA_SPEC_TEMPLATE_ARITY(i, i, name) \ | |
159 | /**/ | |
160 | ||
161 | #define BOOST_MPL_AUX_NA_SPEC(i, name) \ | |
162 | BOOST_MPL_AUX_NA_SPEC_NO_ETI(i, name) \ | |
163 | BOOST_MPL_AUX_NA_SPEC_ETI(i, name) \ | |
164 | /**/ | |
165 | ||
166 | #define BOOST_MPL_AUX_NA_SPEC2(i, j, name) \ | |
167 | BOOST_MPL_AUX_NA_SPEC_MAIN(i, name) \ | |
168 | BOOST_MPL_AUX_NA_SPEC_ETI(i, name) \ | |
169 | BOOST_MPL_AUX_NA_SPEC_LAMBDA(i, name) \ | |
170 | BOOST_MPL_AUX_NA_SPEC_ARITY(i, name) \ | |
171 | BOOST_MPL_AUX_NA_SPEC_TEMPLATE_ARITY(i, j, name) \ | |
172 | /**/ | |
173 | ||
174 | ||
175 | #endif // BOOST_MPL_AUX_NA_SPEC_HPP_INCLUDED |