1*f4a2713aSLionel Sambuc /* RUN: %clang_cc1 %s -Eonly -std=c89 -pedantic -verify 2*f4a2713aSLionel Sambuc */ 3*f4a2713aSLionel Sambuc /* PR3937 */ 4*f4a2713aSLionel Sambuc #define zero() 0 /* expected-note 2 {{defined here}} */ 5*f4a2713aSLionel Sambuc #define one(x) 0 /* expected-note 2 {{defined here}} */ 6*f4a2713aSLionel Sambuc #define two(x, y) 0 /* expected-note 4 {{defined here}} */ 7*f4a2713aSLionel Sambuc #define zero_dot(...) 0 /* expected-warning {{variadic macros are a C99 feature}} */ 8*f4a2713aSLionel Sambuc #define one_dot(x, ...) 0 /* expected-warning {{variadic macros are a C99 feature}} expected-note 2{{macro 'one_dot' defined here}} */ 9*f4a2713aSLionel Sambuc 10*f4a2713aSLionel Sambuc zero() 11*f4a2713aSLionel Sambuc zero(1); /* expected-error {{too many arguments provided to function-like macro invocation}} */ 12*f4a2713aSLionel Sambuc zero(1, 2, 3); /* expected-error {{too many arguments provided to function-like macro invocation}} */ 13*f4a2713aSLionel Sambuc 14*f4a2713aSLionel Sambuc one() /* ok */ 15*f4a2713aSLionel Sambuc one(a) 16*f4a2713aSLionel Sambuc one(a,) /* expected-error {{too many arguments provided to function-like macro invocation}} \ 17*f4a2713aSLionel Sambuc expected-warning {{empty macro arguments are a C99 feature}}*/ 18*f4a2713aSLionel Sambuc one(a, b) /* expected-error {{too many arguments provided to function-like macro invocation}} */ 19*f4a2713aSLionel Sambuc 20*f4a2713aSLionel Sambuc two() /* expected-error {{too few arguments provided to function-like macro invocation}} */ 21*f4a2713aSLionel Sambuc two(a) /* expected-error {{too few arguments provided to function-like macro invocation}} */ 22*f4a2713aSLionel Sambuc two(a,b) 23*f4a2713aSLionel Sambuc two(a, ) /* expected-warning {{empty macro arguments are a C99 feature}} */ 24*f4a2713aSLionel Sambuc two(a,b,c) /* expected-error {{too many arguments provided to function-like macro invocation}} */ 25*f4a2713aSLionel Sambuc two( 26*f4a2713aSLionel Sambuc , /* expected-warning {{empty macro arguments are a C99 feature}} */ 27*f4a2713aSLionel Sambuc , /* expected-warning {{empty macro arguments are a C99 feature}} \ 28*f4a2713aSLionel Sambuc expected-error {{too many arguments provided to function-like macro invocation}} */ 29*f4a2713aSLionel Sambuc ) /* expected-warning {{empty macro arguments are a C99 feature}} */ 30*f4a2713aSLionel Sambuc two(,) /* expected-warning 2 {{empty macro arguments are a C99 feature}} */ 31*f4a2713aSLionel Sambuc 32*f4a2713aSLionel Sambuc 33*f4a2713aSLionel Sambuc 34*f4a2713aSLionel Sambuc /* PR4006 & rdar://6807000 */ 35*f4a2713aSLionel Sambuc #define e(...) __VA_ARGS__ /* expected-warning {{variadic macros are a C99 feature}} */ 36*f4a2713aSLionel Sambuc e(x) 37*f4a2713aSLionel Sambuc e() 38*f4a2713aSLionel Sambuc 39*f4a2713aSLionel Sambuc zero_dot() 40*f4a2713aSLionel Sambuc one_dot(x) /* empty ... argument: expected-warning {{must specify at least one argument for '...' parameter of variadic macro}} */ 41*f4a2713aSLionel Sambuc one_dot() /* empty first argument, elided ...: expected-warning {{must specify at least one argument for '...' parameter of variadic macro}} */ 42*f4a2713aSLionel Sambuc 43*f4a2713aSLionel Sambuc 44*f4a2713aSLionel Sambuc /* rdar://6816766 - Crash with function-like macro test at end of directive. */ 45*f4a2713aSLionel Sambuc #define E() (i == 0) 46*f4a2713aSLionel Sambuc #if E 47*f4a2713aSLionel Sambuc #endif 48*f4a2713aSLionel Sambuc 49*f4a2713aSLionel Sambuc 50*f4a2713aSLionel Sambuc /* <rdar://problem/12292192> */ 51*f4a2713aSLionel Sambuc #define NSAssert(condition, desc, ...) /* expected-warning {{variadic macros are a C99 feature}} */ \ 52*f4a2713aSLionel Sambuc SomeComplicatedStuff((desc), ##__VA_ARGS__) /* expected-warning {{token pasting of ',' and __VA_ARGS__ is a GNU extension}} */ 53*f4a2713aSLionel Sambuc NSAssert(somecond, somedesc) 54