1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
|
// 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)
|
