Age | Commit message (Collapse) | Author | |
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2020-03-17 | Improve the posix preprocessor. | Ori Bernstein | |
This fixes token pasting, making it expand when it should expand, and paste before expansion when it should paste before expanding. #define CAT(a, b) a ## b #define BAR 3 #define FOO CAT(BAR, 3) FOO now produces 33, while #define CAT(a, b) a ## b #define EOF (-1) #define NOP(x) x NOP(CAT(foo, EOF)) CAT(,EOF) CAT(,) produces fooEOF (-1) <empty> respectively. |