55 lines
1.7 KiB
C
55 lines
1.7 KiB
C
#ifndef BIGDECIMAL_STATIC_ASSERT_H
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#define BIGDECIMAL_STATIC_ASSERT_H
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#include "feature.h"
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#ifdef HAVE_RUBY_INTERNAL_STATIC_ASSERT_H
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# include <ruby/internal/static_assert.h>
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#endif
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#ifdef RBIMPL_STATIC_ASSERT
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# define STATIC_ASSERT RBIMPL_STATIC_ASSERT
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#endif
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#ifndef STATIC_ASSERT
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# /* The following section is copied from CRuby's static_assert.h */
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# if defined(__cplusplus) && defined(__cpp_static_assert)
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# /* https://isocpp.org/std/standing-documents/sd-6-sg10-feature-test-recommendations */
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# define BIGDECIMAL_STATIC_ASSERT0 static_assert
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# elif defined(__cplusplus) && defined(_MSC_VER) && _MSC_VER >= 1600
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# define BIGDECIMAL_STATIC_ASSERT0 static_assert
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# elif defined(__INTEL_CXX11_MODE__)
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# define BIGDECIMAL_STATIC_ASSERT0 static_assert
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# elif defined(__cplusplus) && __cplusplus >= 201103L
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# define BIGDECIMAL_STATIC_ASSERT0 static_assert
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# elif defined(__cplusplus) && __has_extension(cxx_static_assert)
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# define BIGDECIMAL_STATIC_ASSERT0 __extension__ static_assert
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# elif defined(__STDC_VERSION__) && __has_extension(c_static_assert)
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# define BIGDECIMAL_STATIC_ASSERT0 __extension__ _Static_assert
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# elif defined(__STDC_VERSION__) && defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6))
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# define BIGDECIMAL_STATIC_ASSERT0 __extension__ _Static_assert
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#endif
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# if defined(__DOXYGEN__)
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# define STATIC_ASSERT static_assert
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# elif defined(BIGDECIMAL_STATIC_ASSERT0)
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# define STATIC_ASSERT(name, expr) \
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BIGDECIMAL_STATIC_ASSERT0(expr, #name ": " #expr)
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# else
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# define STATIC_ASSERT(name, expr) \
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typedef int static_assert_ ## name ## _check[1 - 2 * !(expr)]
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# endif
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#endif /* STATIC_ASSERT */
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#endif /* BIGDECIMAL_STATIC_ASSERT_H */
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