1ea285162342df160e7860e26528bc7110bc6c0cdShih-wei Liao// Example from C99 6.10.3.4p6 2ea285162342df160e7860e26528bc7110bc6c0cdShih-wei Liao 3ea285162342df160e7860e26528bc7110bc6c0cdShih-wei Liao// RUN: %clang_cc1 -E %s | FileCheck -strict-whitespace %s 4ea285162342df160e7860e26528bc7110bc6c0cdShih-wei Liao 5ea285162342df160e7860e26528bc7110bc6c0cdShih-wei Liao#define str(s) # s 6ea285162342df160e7860e26528bc7110bc6c0cdShih-wei Liao#define xstr(s) str(s) 7ea285162342df160e7860e26528bc7110bc6c0cdShih-wei Liao#define debug(s, t) printf("x" # s "= %d, x" # t "= s" \ 8ea285162342df160e7860e26528bc7110bc6c0cdShih-wei Liao x ## s, x ## t) 9ea285162342df160e7860e26528bc7110bc6c0cdShih-wei Liao#define INCFILE(n) vers ## n 10ea285162342df160e7860e26528bc7110bc6c0cdShih-wei Liao#define glue(a, b) a ## b 11ea285162342df160e7860e26528bc7110bc6c0cdShih-wei Liao#define xglue(a, b) glue(a, b) 12ea285162342df160e7860e26528bc7110bc6c0cdShih-wei Liao#define HIGHLOW "hello" 13ea285162342df160e7860e26528bc7110bc6c0cdShih-wei Liao#define LOW LOW ", world" 14ea285162342df160e7860e26528bc7110bc6c0cdShih-wei Liaodebug(1, 2); 15ea285162342df160e7860e26528bc7110bc6c0cdShih-wei Liaofputs(str(strncmp("abc\0d" "abc", '\4') // this goes away 16ea285162342df160e7860e26528bc7110bc6c0cdShih-wei Liao == 0) str(: @\n), s); 17ea285162342df160e7860e26528bc7110bc6c0cdShih-wei Liaoinclude xstr(INCFILE(2).h) 18ea285162342df160e7860e26528bc7110bc6c0cdShih-wei Liaoglue(HIGH, LOW); 19ea285162342df160e7860e26528bc7110bc6c0cdShih-wei Liaoxglue(HIGH, LOW) 20ea285162342df160e7860e26528bc7110bc6c0cdShih-wei Liao 21ea285162342df160e7860e26528bc7110bc6c0cdShih-wei Liao 22ea285162342df160e7860e26528bc7110bc6c0cdShih-wei Liao// CHECK: printf("x" "1" "= %d, x" "2" "= s" x1, x2); 23ea285162342df160e7860e26528bc7110bc6c0cdShih-wei Liao// CHECK: fputs("strncmp(\"abc\\0d\" \"abc\", '\\4') == 0" ": @\n", s); 24ea285162342df160e7860e26528bc7110bc6c0cdShih-wei Liao// CHECK: include "vers2.h" 25ea285162342df160e7860e26528bc7110bc6c0cdShih-wei Liao// CHECK: "hello"; 26ea285162342df160e7860e26528bc7110bc6c0cdShih-wei Liao// CHECK: "hello" ", world" 27ea285162342df160e7860e26528bc7110bc6c0cdShih-wei Liao 28