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