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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_DETAIL_ASSERT_HPP) | |
8 | #define BOOST_VMD_DETAIL_ASSERT_HPP | |
9 | ||
10 | #include <boost/preprocessor/debug/assert.hpp> | |
11 | #include <boost/preprocessor/variadic/elem.hpp> | |
12 | ||
13 | #if BOOST_VMD_MSVC | |
14 | ||
15 | #include <boost/preprocessor/comparison/equal.hpp> | |
16 | #include <boost/preprocessor/control/if.hpp> | |
17 | #include <boost/preprocessor/control/iif.hpp> | |
18 | #include <boost/preprocessor/variadic/size.hpp> | |
19 | #include <boost/vmd/empty.hpp> | |
20 | ||
21 | #define BOOST_VMD_DETAIL_ASSERT_VC_GEN_ERROR_OUTPUT(errstr) \ | |
22 | BOOST_PP_ASSERT(0) \ | |
23 | typedef char errstr[-1]; \ | |
24 | /**/ | |
25 | ||
26 | #define BOOST_VMD_DETAIL_ASSERT_VC_GEN_ERROR_DEFAULT(...) \ | |
27 | BOOST_VMD_DETAIL_ASSERT_VC_GEN_ERROR_OUTPUT(BOOST_VMD_ASSERT_ERROR) \ | |
28 | /**/ | |
29 | ||
30 | #define BOOST_VMD_DETAIL_ASSERT_VC_GEN_ERROR_ERRSTR(...) \ | |
31 | BOOST_VMD_DETAIL_ASSERT_VC_GEN_ERROR_OUTPUT(BOOST_PP_VARIADIC_ELEM(1,__VA_ARGS__)) \ | |
32 | /**/ | |
33 | ||
34 | #define BOOST_VMD_DETAIL_ASSERT_TRUE(...) \ | |
35 | BOOST_PP_IIF \ | |
36 | ( \ | |
37 | BOOST_PP_EQUAL \ | |
38 | ( \ | |
39 | BOOST_PP_VARIADIC_SIZE(__VA_ARGS__), \ | |
40 | 1 \ | |
41 | ), \ | |
42 | BOOST_VMD_DETAIL_ASSERT_VC_GEN_ERROR_DEFAULT, \ | |
43 | BOOST_VMD_DETAIL_ASSERT_VC_GEN_ERROR_ERRSTR \ | |
44 | ) \ | |
45 | (__VA_ARGS__) \ | |
46 | /**/ | |
47 | ||
48 | #define BOOST_VMD_DETAIL_ASSERT(...) \ | |
49 | BOOST_PP_IF \ | |
50 | ( \ | |
51 | BOOST_PP_VARIADIC_ELEM(0,__VA_ARGS__), \ | |
52 | BOOST_VMD_EMPTY, \ | |
53 | BOOST_VMD_DETAIL_ASSERT_TRUE \ | |
54 | ) \ | |
55 | (__VA_ARGS__) \ | |
56 | /**/ | |
57 | ||
58 | #else | |
59 | ||
60 | #define BOOST_VMD_DETAIL_ASSERT_DO(cond) \ | |
61 | BOOST_PP_ASSERT(cond) \ | |
62 | /**/ | |
63 | ||
64 | #define BOOST_VMD_DETAIL_ASSERT(...) \ | |
65 | BOOST_VMD_DETAIL_ASSERT_DO(BOOST_PP_VARIADIC_ELEM(0,__VA_ARGS__)) \ | |
66 | /**/ | |
67 | ||
68 | #endif /* BOOST_VMD_MSVC */ | |
69 | #endif /* BOOST_VMD_DETAIL_ASSERT_HPP */ |