1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
|
/* RUN: %clang_cc1 %s -Eonly -std=c89 -pedantic -verify
*/
/* PR3937 */
#define zero() 0
#define one(x) 0
#define two(x, y) 0
#define zero_dot(...) 0 /* expected-warning {{variadic macros are a C99 feature}} */
#define one_dot(x, ...) 0 /* expected-warning {{variadic macros are a C99 feature}} expected-note 2{{macro 'one_dot' defined here}} */
zero()
zero(1); /* expected-error {{too many arguments provided to function-like macro invocation}} */
zero(1, 2, 3); /* expected-error {{too many arguments provided to function-like macro invocation}} */
one() /* ok */
one(a)
one(a,) /* expected-error {{too many arguments provided to function-like macro invocation}} */
one(a, b) /* expected-error {{too many arguments provided to function-like macro invocation}} */
two() /* expected-error {{too few arguments provided to function-like macro invocation}} */
two(a) /* expected-error {{too few arguments provided to function-like macro invocation}} */
two(a,b)
two(a, ) /* expected-warning {{empty macro arguments are a C99 feature}} */
two(a,b,c) /* expected-error {{too many arguments provided to function-like macro invocation}} */
two(
, /* expected-warning {{empty macro arguments are a C99 feature}} */
, /* expected-warning {{empty macro arguments are a C99 feature}} \
expected-error {{too many arguments provided to function-like macro invocation}} */
)
two(,) /* expected-warning 2 {{empty macro arguments are a C99 feature}} */
/* PR4006 & rdar://6807000 */
#define e(...) __VA_ARGS__ /* expected-warning {{variadic macros are a C99 feature}} */
e(x)
e()
zero_dot()
one_dot(x) /* empty ... argument: expected-warning {{must specify at least one argument for '...' parameter of variadic macro}} */
one_dot() /* empty first argument, elided ...: expected-warning {{must specify at least one argument for '...' parameter of variadic macro}} */
/* rdar://6816766 - Crash with function-like macro test at end of directive. */
#define E() (i == 0)
#if E
#endif
|
