1// Example from C99 6.10.3.4p6 2 3// RUN: %clang_cc1 -E %s | FileCheck -strict-whitespace %s 4 5#define str(s) # s 6#define xstr(s) str(s) 7#define debug(s, t) printf("x" # s "= %d, x" # t "= s" \ 8 x ## s, x ## t) 9#define INCFILE(n) vers ## n 10#define glue(a, b) a ## b 11#define xglue(a, b) glue(a, b) 12#define HIGHLOW "hello" 13#define LOW LOW ", world" 14debug(1, 2); 15fputs(str(strncmp("abc\0d" "abc", '\4') // this goes away 16 == 0) str(: @\n), s); 17include xstr(INCFILE(2).h) 18glue(HIGH, LOW); 19xglue(HIGH, LOW) 20 21 22// CHECK: printf("x" "1" "= %d, x" "2" "= s" x1, x2); 23// CHECK: fputs("strncmp(\"abc\\0d\" \"abc\", '\\4') == 0" ": @\n", s); 24// CHECK: include "vers2.h" 25// CHECK: "hello"; 26// CHECK: "hello" ", world" 27 28