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