8fbe78f6fc
- This is designed to make it obvious that %clang_cc1 is a "test variable" which is substituted. It is '%clang_cc1' instead of '%clang -cc1' because it can be useful to redefine what gets run as 'clang -cc1' (for example, to set a default target). llvm-svn: 91446
28 lines
1.7 KiB
Objective-C
28 lines
1.7 KiB
Objective-C
// RUN: %clang_cc1 -verify -fsyntax-only %s
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@class NSString;
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extern NSString *fa2 (const NSString *) __attribute__((format_arg(1)));
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extern NSString *fa3 (NSString *) __attribute__((format_arg(1)));
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extern void fc1 (const NSString *) __attribute__((format_arg)); // expected-error {{attribute requires 1 argument(s)}}
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extern void fc2 (const NSString *) __attribute__((format_arg())); // expected-error {{attribute requires 1 argument(s)}}
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extern void fc3 (const NSString *) __attribute__((format_arg(1, 2))); // expected-error {{attribute requires 1 argument(s)}}
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struct s1 { int i; } __attribute__((format_arg(1))); // expected-warning {{'format_arg' attribute only applies to function types}}
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union u1 { int i; } __attribute__((format_arg(1))); // expected-warning {{'format_arg' attribute only applies to function types}}
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enum e1 { E1V0 } __attribute__((format_arg(1))); // expected-warning {{'format_arg' attribute only applies to function types}}
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extern NSString *ff3 (const NSString *) __attribute__((format_arg(3-2)));
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extern NSString *ff4 (const NSString *) __attribute__((format_arg(foo))); // expected-error {{attribute requires 1 argument(s)}}
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/* format_arg formats must take and return a string. */
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extern NSString *fi0 (int) __attribute__((format_arg(1))); // expected-error {{format argument not a string type}}
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extern NSString *fi1 (NSString *) __attribute__((format_arg(1)));
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extern NSString *fi2 (NSString *) __attribute__((format_arg(1)));
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extern int fi3 (const NSString *) __attribute__((format_arg(1))); // expected-error {{function does not return NSString}}
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extern NSString *fi4 (const NSString *) __attribute__((format_arg(1)));
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extern NSString *fi5 (const NSString *) __attribute__((format_arg(1)));
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