| // Example from C99 6.10.3.4p6 |
| |
| // RUN: clang-cc -E %s | grep -F 'printf("x" "1" "= %d, x" "2" "= s" x1, x2);' && |
| // RUN: clang-cc -E %s | grep 'fputs("strncmp(\\"abc\\\\0d\\" \\"abc\\", .\\\\4.) == 0" ": @\\n", s);' && |
| // RUN: clang-cc -E %s | grep -F 'include "vers2.h"' && |
| // RUN: clang-cc -E %s | grep -F '"hello";' && |
| // RUN: clang-cc -E %s | grep -F '"hello" ", world"' |
| |
| #define str(s) # s |
| #define xstr(s) str(s) |
| #define debug(s, t) printf("x" # s "= %d, x" # t "= s" \ |
| x ## s, x ## t) |
| #define INCFILE(n) vers ## n |
| #define glue(a, b) a ## b |
| #define xglue(a, b) glue(a, b) |
| #define HIGHLOW "hello" |
| #define LOW LOW ", world" |
| debug(1, 2); |
| fputs(str(strncmp("abc\0d" "abc", '\4') // this goes away |
| == 0) str(: @\n), s); |
| include xstr(INCFILE(2).h) |
| glue(HIGH, LOW); |
| xglue(HIGH, LOW) |
| |
