forked from OSchip/llvm-project
104 lines
4.2 KiB
Objective-C
104 lines
4.2 KiB
Objective-C
// RUN: %check_clang_tidy %s objc-nsinvocation-argument-lifetime %t
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__attribute__((objc_root_class))
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@interface NSObject
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@end
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@interface NSInvocation : NSObject
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- (void)getArgument:(void *)Arg atIndex:(int)Index;
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- (void)getReturnValue:(void *)ReturnValue;
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@end
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@interface OtherClass : NSObject
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- (void)getArgument:(void *)Arg atIndex:(int)Index;
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@end
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struct Foo {
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__unsafe_unretained id Field1;
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id Field2;
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int IntField;
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};
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void foo(NSInvocation *Invocation) {
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__unsafe_unretained id Arg2;
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id Arg3;
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// CHECK-FIXES: __unsafe_unretained id Arg3;
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NSObject __strong *Arg4;
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// CHECK-FIXES: NSObject __unsafe_unretained *Arg4;
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__weak id Arg5;
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// CHECK-FIXES: __unsafe_unretained id Arg5;
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id ReturnValue;
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// CHECK-FIXES: __unsafe_unretained id ReturnValue;
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void (^BlockArg1)();
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// CHECK-FIXES: __unsafe_unretained void (^BlockArg1)();
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__unsafe_unretained void (^BlockArg2)();
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int IntVar;
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struct Foo Bar;
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[Invocation getArgument:&Arg2 atIndex:2];
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[Invocation getArgument:&IntVar atIndex:2];
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[Invocation getArgument:&Arg3 atIndex:3];
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// CHECK-MESSAGES: :[[@LINE-1]]:27: warning: NSInvocation '-getArgument:atIndex:' should only pass pointers to objects with ownership __unsafe_unretained [objc-nsinvocation-argument-lifetime]
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[Invocation getArgument:&Arg4 atIndex:4];
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// CHECK-MESSAGES: :[[@LINE-1]]:27: warning: NSInvocation '-getArgument:atIndex:' should only pass pointers to objects with ownership __unsafe_unretained [objc-nsinvocation-argument-lifetime]
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[Invocation getArgument:&Arg5 atIndex:5];
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// CHECK-MESSAGES: :[[@LINE-1]]:27: warning: NSInvocation '-getArgument:atIndex:' should only pass pointers to objects with ownership __unsafe_unretained [objc-nsinvocation-argument-lifetime]
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[Invocation getArgument:&BlockArg1 atIndex:6];
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// CHECK-MESSAGES: :[[@LINE-1]]:27: warning: NSInvocation '-getArgument:atIndex:' should only pass pointers to objects with ownership __unsafe_unretained [objc-nsinvocation-argument-lifetime]
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[Invocation getArgument:&BlockArg2 atIndex:6];
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[Invocation getReturnValue:&ReturnValue];
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// CHECK-MESSAGES: :[[@LINE-1]]:30: warning: NSInvocation '-getReturnValue:' should only pass pointers to objects with ownership __unsafe_unretained [objc-nsinvocation-argument-lifetime]
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[Invocation getArgument:(void *)0 atIndex:6];
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[Invocation getArgument:&Bar.Field1 atIndex:2];
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[Invocation getArgument:&Bar.Field2 atIndex:2];
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// CHECK-MESSAGES: :[[@LINE-1]]:27: warning: NSInvocation '-getArgument:atIndex:' should only pass pointers to objects with ownership __unsafe_unretained [objc-nsinvocation-argument-lifetime]
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[Invocation getArgument:&Bar.IntField atIndex:2];
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}
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void bar(OtherClass *OC) {
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id Arg;
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[OC getArgument:&Arg atIndex:2];
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}
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@interface TestClass : NSObject {
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@public
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id Argument1;
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__unsafe_unretained id Argument2;
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struct Foo Bar;
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int IntIvar;
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}
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@end
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@implementation TestClass
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- (void)processInvocation:(NSInvocation *)Invocation {
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[Invocation getArgument:&Argument1 atIndex:2];
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// CHECK-MESSAGES: :[[@LINE-1]]:27: warning: NSInvocation '-getArgument:atIndex:' should only pass pointers to objects with ownership __unsafe_unretained [objc-nsinvocation-argument-lifetime]
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[Invocation getArgument:&self->Argument1 atIndex:2];
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// CHECK-MESSAGES: :[[@LINE-1]]:27: warning: NSInvocation '-getArgument:atIndex:' should only pass pointers to objects with ownership __unsafe_unretained [objc-nsinvocation-argument-lifetime]
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[Invocation getArgument:&Argument2 atIndex:2];
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[Invocation getArgument:&self->Argument2 atIndex:2];
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[Invocation getArgument:&self->IntIvar atIndex:2];
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[Invocation getReturnValue:&(self->Bar.Field1)];
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[Invocation getReturnValue:&(self->Bar.Field2)];
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// CHECK-MESSAGES: :[[@LINE-1]]:30: warning: NSInvocation '-getReturnValue:' should only pass pointers to objects with ownership __unsafe_unretained [objc-nsinvocation-argument-lifetime]
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[Invocation getReturnValue:&(self->Bar.IntField)];
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}
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@end
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void baz(NSInvocation *Invocation, TestClass *Obj) {
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[Invocation getArgument:&Obj->Argument1 atIndex:2];
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// CHECK-MESSAGES: :[[@LINE-1]]:27: warning: NSInvocation '-getArgument:atIndex:' should only pass pointers to objects with ownership __unsafe_unretained [objc-nsinvocation-argument-lifetime]
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[Invocation getArgument:&Obj->Argument2 atIndex:2];
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}
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