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 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}} \ 17 expected-warning {{empty macro arguments are a C99 feature}}*/ 18one(a, b) /* expected-error {{too many arguments provided to function-like macro invocation}} */ 19 20two() /* expected-error {{too few arguments provided to function-like macro invocation}} */ 21two(a) /* expected-error {{too few arguments provided to function-like macro invocation}} */ 22two(a,b) 23two(a, ) /* expected-warning {{empty macro arguments are a C99 feature}} */ 24two(a,b,c) /* expected-error {{too many arguments provided to function-like macro invocation}} */ 25two( 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}} */ 30two(,) /* 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}} */ 36e(x) 37e() 38 39zero_dot() 40one_dot(x) /* empty ... argument: expected-warning {{must specify at least one argument for '...' parameter of variadic macro}} */ 41one_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}} */ 53NSAssert(somecond, somedesc) 54