1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34
|
%module preproc_expr
// Check expressions which suffered from incorrect operator precedence prior
// to SWIG 4.1.0.
%inline %{
// `!` should have higher precedence than binary `+`.
#if !0 + 1
#else
# error Bad preprocessor expression operator precedence
#endif
// `!=` should have higher precedence than bitwise and.
#if 1 & 2 != 0
#else
# error Bad preprocessor expression operator precedence
#endif
// `==` should have higher precedence than bitwise or.
#if (2 | 1 == 3) != 2
# error Bad preprocessor expression operator precedence
#endif
// `!=` should have higher precedence than bitwise xor.
#if 1 ^ 2 != 4
# error Bad preprocessor expression operator precedence
#endif
// `<` should have higher precedence than '=='.
#if 2 == 2 < 2
# error Bad preprocessor expression operator precedence
#endif
%}
|