78 lines
		
	
	
		
			2.5 KiB
		
	
	
	
		
			Objective-C
		
	
	
	
			
		
		
	
	
			78 lines
		
	
	
		
			2.5 KiB
		
	
	
	
		
			Objective-C
		
	
	
	
// RUN: %clang_cc1 -pedantic -verify %s
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// RUN: cp %s %t
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// RUN: not %clang_cc1 -pedantic -fixit -x objective-c %t
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// RUN: %clang_cc1 -pedantic -Werror -x objective-c %t
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/* This is a test of the various code modification hints that are
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   provided as part of warning or extension diagnostics. All of the
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   warnings will be fixed by -fixit, and the resulting file should
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   compile cleanly with -Werror -pedantic. */
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@protocol X;
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void foo() {
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  <X> *P;    // expected-warning{{protocol has no object type specified; defaults to qualified 'id'}}
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}
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@class A;
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@class NSString;
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@interface Test
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- (void)test:(NSString *)string;
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@property (copy) NSString *property;
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@end
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void g(NSString *a);
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void h(id a);
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void f(Test *t) {
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  NSString *a = "Foo"; // expected-error {{string literal must be prefixed by '@'}}
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  id b = "Foo"; // expected-error {{string literal must be prefixed by '@'}}
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  g("Foo"); // expected-error {{string literal must be prefixed by '@'}}
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  h("Foo"); // expected-error {{string literal must be prefixed by '@'}}
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  h(("Foo")); // expected-error {{string literal must be prefixed by '@'}}
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  [t test:"Foo"]; // expected-error {{string literal must be prefixed by '@'}}
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  t.property = "Foo"; // expected-error {{string literal must be prefixed by '@'}}
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  // <rdar://problem/6896493>
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  [t test:@"Foo"]]; // expected-error{{extraneous ']' before ';'}}
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  g(@"Foo")); // expected-error{{extraneous ')' before ';'}}
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}
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// rdar://7861841
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@interface Radar7861841 {
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@public
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  int x;
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}
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@property (assign) int y;
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@end
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int f0(Radar7861841 *a) { return a.x; } // expected-error {{property 'x' not found on object of type 'Radar7861841 *'; did you mean to access instance variable 'x'}}
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int f1(Radar7861841 *a) { return a->y; } // expected-error {{property 'y' found on object of type 'Radar7861841 *'; did you mean to access it with the "." operator?}}
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#define nil ((void*)0)
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#define NULL ((void*)0)
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void sentinel(int x, ...) __attribute__((sentinel)); // expected-note{{function has been explicitly marked sentinel here}}
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@interface Sentinel
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- (void)sentinel:(int)x, ... __attribute__((sentinel)); // expected-note{{method has been explicitly marked sentinel here}}
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@end
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void sentinel_test(Sentinel *a) {
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  sentinel(1, 2, 3); // expected-warning{{missing sentinel in function call}}
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  [a sentinel:1, 2, 3]; // expected-warning{{missing sentinel in method dispatch}}
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}
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@interface A
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@property (class) int c;
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@end
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int test(A *a) {
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  return a.c; // expected-error {{property 'c' is a class property; did you mean to access it with class 'A'}}
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}
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