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annotate clang/test/SemaObjC/format-arg-attribute.m @ 207:2e18cbf3894f

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LLVM12
author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Tue, 08 Jun 2021 06:07:14 +0900
parents 1d019706d866
children c4bab56944e8
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1 // RUN: %clang_cc1 -verify -fsyntax-only %s
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2
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3 @class NSString;
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4 @class NSAttributedString;
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6 extern NSString *fa2 (const NSString *) __attribute__((format_arg(1)));
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7 extern NSString *fa3 (NSString *) __attribute__((format_arg(1)));
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8
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9 extern void fc1 (const NSString *) __attribute__((format_arg)); // expected-error {{'format_arg' attribute takes one argument}}
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10 extern void fc2 (const NSString *) __attribute__((format_arg())); // expected-error {{'format_arg' attribute takes one argument}}
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11 extern void fc3 (const NSString *) __attribute__((format_arg(1, 2))); // expected-error {{'format_arg' attribute takes one argument}}
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12
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13 struct s1 { int i; } __attribute__((format_arg(1))); // expected-warning {{'format_arg' attribute only applies to Objective-C methods and non-K&R-style functions}}
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14 union u1 { int i; } __attribute__((format_arg(1))); // expected-warning {{'format_arg' attribute only applies to}}
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15 enum e1 { E1V0 } __attribute__((format_arg(1))); // expected-warning {{'format_arg' attribute only applies to}}
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17 extern NSString *ff3 (const NSString *) __attribute__((format_arg(3-2)));
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18 extern NSString *ff4 (const NSString *) __attribute__((format_arg(foo))); // expected-error {{use of undeclared identifier 'foo'}}
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20 /* format_arg formats must take and return a string. */
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21 extern NSString *fi0 (int) __attribute__((format_arg(1))); // expected-error {{format argument not a string type}}
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22 extern NSString *fi1 (NSString *) __attribute__((format_arg(1)));
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24 extern NSString *fi2 (NSString *) __attribute__((format_arg(1)));
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26 extern int fi3 (const NSString *) __attribute__((format_arg(1))); // expected-error {{function does not return NSString}}
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27 extern NSString *fi4 (const NSString *) __attribute__((format_arg(1)));
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28 extern NSString *fi5 (const NSString *) __attribute__((format_arg(1)));
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30 extern NSAttributedString *fattrs (const NSString *) __attribute__((format_arg(1)));