Ruby  3.4.0dev (2024-11-05 revision 348a53415339076afc4a02fcd09f3ae36e9c4c61)
static_assert.h
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1 #ifndef RBIMPL_STATIC_ASSERT_H /*-*-C++-*-vi:se ft=cpp:*/
2 #define RBIMPL_STATIC_ASSERT_H
23 #include <assert.h>
26 
28 #if defined(__cplusplus) && defined(__cpp_static_assert)
29 # /* https://isocpp.org/std/standing-documents/sd-6-sg10-feature-test-recommendations */
30 # define RBIMPL_STATIC_ASSERT0 static_assert
31 
32 #elif defined(__cplusplus) && RBIMPL_COMPILER_SINCE(MSVC, 16, 0, 0)
33 # define RBIMPL_STATIC_ASSERT0 static_assert
34 
35 #elif defined(__INTEL_CXX11_MODE__)
36 # define RBIMPL_STATIC_ASSERT0 static_assert
37 
38 #elif defined(__cplusplus) && __cplusplus >= 201103L
39 # define RBIMPL_STATIC_ASSERT0 static_assert
40 
41 #elif defined(__cplusplus) && RBIMPL_HAS_EXTENSION(cxx_static_assert)
42 # define RBIMPL_STATIC_ASSERT0 __extension__ static_assert
43 
44 #elif defined(__GXX_EXPERIMENTAL_CXX0X__) && __GXX_EXPERIMENTAL_CXX0X__
45 # define RBIMPL_STATIC_ASSERT0 __extension__ static_assert
46 
47 #elif defined(__STDC_VERSION__) && RBIMPL_HAS_EXTENSION(c_static_assert)
48 # define RBIMPL_STATIC_ASSERT0 __extension__ _Static_assert
49 
50 #elif defined(__STDC_VERSION__) && RBIMPL_COMPILER_SINCE(GCC, 4, 6, 0)
51 # define RBIMPL_STATIC_ASSERT0 __extension__ _Static_assert
52 
53 #elif defined(static_assert)
54 # /* Take <assert.h> definition */
55 # define RBIMPL_STATIC_ASSERT0 static_assert
56 #endif
65 #if defined(__DOXYGEN__)
66 # define RBIMPL_STATIC_ASSERT static_assert
67 
68 #elif defined(RBIMPL_STATIC_ASSERT0)
69 # define RBIMPL_STATIC_ASSERT(name, expr) \
70  RBIMPL_STATIC_ASSERT0(expr, # name ": " # expr)
71 
72 #else
73 # define RBIMPL_STATIC_ASSERT(name, expr) \
74  MAYBE_UNUSED(typedef int static_assert_ ## name ## _check[1 - 2 * !(expr)])
75 #endif
76 
77 #endif /* RBIMPL_STATIC_ASSERT_H */
Defines RBIMPL_COMPILER_SINCE.
Defines RBIMPL_HAS_EXTENSION.