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support longer argument lists in expansion of variadic DOC() macro

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Wenzel Jakob 2016-04-29 14:32:10 +02:00
parent dc11027602
commit f02f41656b
1 changed files with 3 additions and 1 deletions
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4
tools/mkdoc.py
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@ -232,7 +232,7 @@ if __name__ == '__main__':
#define __EXPAND(x) x
#define __COUNT(_1, _2, _3, _4, _5, COUNT, ...) COUNT
#define __VA_SIZE(...) __EXPAND(__COUNT(__VA_ARGS__, 5, 4, 3, 2, 1))
#define __VA_SIZE(...) __EXPAND(__COUNT(__VA_ARGS__, 7, 6, 5, 4, 3, 2, 1))
#define __CAT1(a, b) a ## b
#define __CAT2(a, b) __CAT1(a, b)
#define __DOC1(n1) __doc_##n1
@ -240,6 +240,8 @@ if __name__ == '__main__':
#define __DOC3(n1, n2, n3) __doc_##n1##_##n2##_##n3
#define __DOC4(n1, n2, n3, n4) __doc_##n1##_##n2##_##n3##_##n4
#define __DOC5(n1, n2, n3, n4, n5) __doc_##n1##_##n2##_##n3##_##n4##_##n5
#define __DOC6(n1, n2, n3, n4, n5, n6) __doc_##n1##_##n2##_##n3##_##n4##_##n5##_##n6
#define __DOC7(n1, n2, n3, n4, n5, n6, n7) __doc_##n1##_##n2##_##n3##_##n4##_##n5##_##n6##_##n7
#define DOC(...) __EXPAND(__EXPAND(__CAT2(__DOC, __VA_SIZE(__VA_ARGS__)))(__VA_ARGS__))
#if defined(__GNUG__)