| // RUN: %clang_cc1 -Werror -Wformat-nonliteral -verify -fsyntax-only %s |
| |
| @class NSString; |
| |
| extern NSString *fa2 (const NSString *) __attribute__((format_arg(1))); |
| extern NSString *fa3 (NSString *) __attribute__((format_arg(1))); |
| |
| extern void fc1 (const NSString *) __attribute__((format_arg)); // expected-error {{'format_arg' attribute takes one argument}} |
| extern void fc2 (const NSString *) __attribute__((format_arg())); // expected-error {{'format_arg' attribute takes one argument}} |
| extern void fc3 (const NSString *) __attribute__((format_arg(1, 2))); // expected-error {{'format_arg' attribute takes one argument}} |
| |
| struct s1 { int i; } __attribute__((format_arg(1))); // expected-error {{'format_arg' attribute only applies to functions}} |
| union u1 { int i; } __attribute__((format_arg(1))); // expected-error {{'format_arg' attribute only applies to functions}} |
| enum e1 { E1V0 } __attribute__((format_arg(1))); // expected-error {{'format_arg' attribute only applies to functions}} |
| |
| extern NSString *ff3 (const NSString *) __attribute__((format_arg(3-2))); |
| extern NSString *ff4 (const NSString *) __attribute__((format_arg(foo))); // expected-error {{use of undeclared identifier 'foo'}} |
| |
| /* format_arg formats must take and return a string. */ |
| extern NSString *fi0 (int) __attribute__((format_arg(1))); // expected-error {{format argument not a string type}} |
| extern NSString *fi1 (NSString *) __attribute__((format_arg(1))); |
| |
| extern NSString *fi2 (NSString *) __attribute__((format_arg(1))); |
| |
| extern int fi3 (const NSString *) __attribute__((format_arg(1))); // expected-error {{function does not return NSString}} |
| extern NSString *fi4 (const NSString *) __attribute__((format_arg(1))); |
| extern NSString *fi5 (const NSString *) __attribute__((format_arg(1))); |
| |
| // rdar://15242010 |
| @interface NSString |
| + (id)stringWithFormat:(NSString *)format, ... __attribute__((format(__NSString__, 1, 2))); |
| @end |
| |
| @interface NSBundle |
| - (NSString *)localizedStringForKey:(NSString *)key value:(NSString *)value table:(NSString *)tableName __attribute__ ((format_arg(1))); |
| + (NSBundle *)mainBundle; |
| @end |
| |
| |
| NSString* localizedFormat(NSString* string) __attribute__ ((format_arg(1))); |
| |
| int main() |
| { |
| [NSString stringWithFormat:[[NSBundle mainBundle] localizedStringForKey:@"foo %d" value:@"bar %d" table:0], 42]; |
| |
| [NSString stringWithFormat:localizedFormat(@"foo %d"), 42]; |
| } |