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1 | |
2 | // (C) Copyright Edward Diener 2011-2015 | |
3 | // Use, modification and distribution are subject to the Boost Software License, | |
4 | // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at | |
5 | // http://www.boost.org/LICENSE_1_0.txt). | |
6 | ||
7 | #if !defined(BOOST_VMD_IS_TYPE_HPP) | |
8 | #define BOOST_VMD_IS_TYPE_HPP | |
9 | ||
10 | #include <boost/vmd/detail/setup.hpp> | |
11 | ||
12 | #if BOOST_PP_VARIADICS | |
13 | ||
14 | #include <boost/vmd/detail/is_type.hpp> | |
15 | ||
16 | /* | |
17 | ||
18 | The succeeding comments in this file are in doxygen format. | |
19 | ||
20 | */ | |
21 | ||
22 | /** \file | |
23 | */ | |
24 | ||
25 | /** \def BOOST_VMD_IS_TYPE(sequence) | |
26 | ||
27 | \brief Tests whether a sequence is a VMD type. | |
28 | ||
29 | sequence = a possible VMD type | |
30 | ||
31 | returns = 1 if the sequence is a VMD type, | |
32 | 0 if it is not. | |
33 | ||
34 | If the sequence is not a VMD data type this macro could lead to | |
35 | a preprocessor error. This is because the macro | |
36 | uses preprocessor concatenation to determine if the sequence | |
37 | is an identifier once it is determined that the sequence does not | |
38 | start with parentheses. If the data being concatenated would | |
39 | lead to an invalid preprocessor token the compiler can issue | |
40 | a preprocessor error. | |
41 | ||
42 | */ | |
43 | ||
44 | #define BOOST_VMD_IS_TYPE(sequence) \ | |
45 | BOOST_VMD_DETAIL_IS_TYPE(sequence) \ | |
46 | /**/ | |
47 | ||
48 | /** \def BOOST_VMD_IS_TYPE_D(d,sequence) | |
49 | ||
50 | \brief Tests whether a sequence is a VMD type. Re-entrant version. | |
51 | ||
52 | d = The next available BOOST_PP_WHILE iteration. | |
53 | sequence = a possible VMD type | |
54 | ||
55 | returns = 1 if the sequence is a VMD type, | |
56 | 0 if it is not. | |
57 | ||
58 | If the sequence is not a VMD data type this macro could lead to | |
59 | a preprocessor error. This is because the macro | |
60 | uses preprocessor concatenation to determine if the sequence | |
61 | is an identifier once it is determined that the sequence does not | |
62 | start with parentheses. If the data being concatenated would | |
63 | lead to an invalid preprocessor token the compiler can issue | |
64 | a preprocessor error. | |
65 | ||
66 | */ | |
67 | ||
68 | #define BOOST_VMD_IS_TYPE_D(d,sequence) \ | |
69 | BOOST_VMD_DETAIL_IS_TYPE_D(d,sequence) \ | |
70 | /**/ | |
71 | ||
72 | #endif /* BOOST_PP_VARIADICS */ | |
73 | #endif /* BOOST_VMD_IS_TYPE_HPP */ |