54 lines
		
	
	
		
			2.6 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			54 lines
		
	
	
		
			2.6 KiB
		
	
	
	
		
			C
		
	
	
	
| /* RUN: %clang_cc1 %s -Eonly -std=c89 -pedantic -verify
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| */
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| /* PR3937 */
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| #define zero() 0 /* expected-note 2 {{defined here}} */
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| #define one(x) 0 /* expected-note 2 {{defined here}} */
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| #define two(x, y) 0 /* expected-note 4 {{defined here}} */
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| #define zero_dot(...) 0   /* expected-warning {{variadic macros are a C99 feature}} */
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| #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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| 
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| zero()
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| zero(1);          /* expected-error {{too many arguments provided to function-like macro invocation}} */
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| zero(1, 2, 3);    /* expected-error {{too many arguments provided to function-like macro invocation}} */
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| 
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| one()   /* ok */
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| one(a)
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| one(a,)           /* expected-error {{too many arguments provided to function-like macro invocation}} \
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|                      expected-warning {{empty macro arguments are a C99 feature}}*/
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| one(a, b)         /* expected-error {{too many arguments provided to function-like macro invocation}} */
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| 
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| two()       /* expected-error {{too few arguments provided to function-like macro invocation}} */
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| two(a)      /* expected-error {{too few arguments provided to function-like macro invocation}} */
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| two(a,b)
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| two(a, )    /* expected-warning {{empty macro arguments are a C99 feature}} */
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| two(a,b,c)  /* expected-error {{too many arguments provided to function-like macro invocation}} */
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| two(
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|     ,     /* expected-warning {{empty macro arguments are a C99 feature}} */
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|     ,     /* expected-warning {{empty macro arguments are a C99 feature}}  \
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|              expected-error {{too many arguments provided to function-like macro invocation}} */
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|     )     /* expected-warning {{empty macro arguments are a C99 feature}} */
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| two(,)      /* expected-warning 2 {{empty macro arguments are a C99 feature}} */
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| 
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| 
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| 
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| /* PR4006 & rdar://6807000 */
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| #define e(...) __VA_ARGS__  /* expected-warning {{variadic macros are a C99 feature}} */
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| e(x)
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| e()
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| 
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| zero_dot()
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| one_dot(x)  /* empty ... argument: expected-warning {{must specify at least one argument for '...' parameter of variadic macro}}  */
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| one_dot()   /* empty first argument, elided ...: expected-warning {{must specify at least one argument for '...' parameter of variadic macro}} */
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| 
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| 
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| /* rdar://6816766 - Crash with function-like macro test at end of directive. */
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| #define E() (i == 0)
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| #if E
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| #endif
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| 
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| 
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| /* <rdar://problem/12292192> */
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| #define NSAssert(condition, desc, ...) /* expected-warning {{variadic macros are a C99 feature}} */ \
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|     SomeComplicatedStuff((desc), ##__VA_ARGS__) /* expected-warning {{token pasting of ',' and __VA_ARGS__ is a GNU extension}} */
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| NSAssert(somecond, somedesc)
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