1 /* RUN: %clang_cc1 %s -Eonly -std=c89 -pedantic -verify 2 */ 3 /* PR3937 */ 4 #define zero() 0 /* expected-note 2 {{defined here}} */ 5 #define one(x) 0 /* expected-note 2 {{defined here}} */ 6 #define two(x, y) 0 /* expected-note 4 {{defined here}} */ 7 #define zero_dot(...) 0 /* expected-warning {{variadic macros are a C99 feature}} */ 8 #define one_dot(x, ...) 0 /* expected-warning {{variadic macros are a C99 feature}} expected-note 2{{macro 'one_dot' defined here}} */ 9 10 zero() 11 zero(1); /* expected-error {{too many arguments provided to function-like macro invocation}} */ 12 zero(1, 2, 3); /* expected-error {{too many arguments provided to function-like macro invocation}} */ 13 14 one() /* ok */ 15 one(a) 16 one(a,) /* expected-error {{too many arguments provided to function-like macro invocation}} \ 17 expected-warning {{empty macro arguments are a C99 feature}}*/ 18 one(a, b) /* expected-error {{too many arguments provided to function-like macro invocation}} */ 19 20 two() /* expected-error {{too few arguments provided to function-like macro invocation}} */ 21 two(a) /* expected-error {{too few arguments provided to function-like macro invocation}} */ 22 two(a,b) 23 two(a, ) /* expected-warning {{empty macro arguments are a C99 feature}} */ 24 two(a,b,c) /* expected-error {{too many arguments provided to function-like macro invocation}} */ 25 two( 26 , /* expected-warning {{empty macro arguments are a C99 feature}} */ 27 , /* expected-warning {{empty macro arguments are a C99 feature}} \ 28 expected-error {{too many arguments provided to function-like macro invocation}} */ 29 ) /* expected-warning {{empty macro arguments are a C99 feature}} */ 30 two(,) /* expected-warning 2 {{empty macro arguments are a C99 feature}} */ 31 32 33 34 /* PR4006 & rdar://6807000 */ 35 #define e(...) __VA_ARGS__ /* expected-warning {{variadic macros are a C99 feature}} */ 36 e(x) 37 e() 38 39 zero_dot() 40 one_dot(x) /* empty ... argument: expected-warning {{must specify at least one argument for '...' parameter of variadic macro}} */ 41 one_dot() /* empty first argument, elided ...: expected-warning {{must specify at least one argument for '...' parameter of variadic macro}} */ 42 43 44 /* rdar://6816766 - Crash with function-like macro test at end of directive. */ 45 #define E() (i == 0) 46 #if E 47 #endif 48 49 50 /* <rdar://problem/12292192> */ 51 #define NSAssert(condition, desc, ...) /* expected-warning {{variadic macros are a C99 feature}} */ \ 52 SomeComplicatedStuff((desc), ##__VA_ARGS__) /* expected-warning {{token pasting of ',' and __VA_ARGS__ is a GNU extension}} */ 53 NSAssert(somecond, somedesc) 54