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1// RUN: %check_clang_tidy %s objc-nsinvocation-argument-lifetime %t2 3__attribute__((objc_root_class))4@interface NSObject5@end6 7@interface NSInvocation : NSObject8- (void)getArgument:(void *)Arg atIndex:(int)Index;9- (void)getReturnValue:(void *)ReturnValue;10@end11 12@interface OtherClass : NSObject13- (void)getArgument:(void *)Arg atIndex:(int)Index;14@end15 16struct Foo {17 __unsafe_unretained id Field1;18 id Field2;19 int IntField;20};21 22void foo(NSInvocation *Invocation) {23 __unsafe_unretained id Arg2;24 id Arg3;25 // CHECK-FIXES: __unsafe_unretained id Arg3;26 NSObject __strong *Arg4;27 // CHECK-FIXES: NSObject __unsafe_unretained *Arg4;28 __weak id Arg5;29 // CHECK-FIXES: __unsafe_unretained id Arg5;30 id ReturnValue;31 // CHECK-FIXES: __unsafe_unretained id ReturnValue;32 void (^BlockArg1)(void);33 // CHECK-FIXES: __unsafe_unretained void (^BlockArg1)(void);34 __unsafe_unretained void (^BlockArg2)(void);35 int IntVar;36 struct Foo Bar;37 38 [Invocation getArgument:&Arg2 atIndex:2];39 [Invocation getArgument:&IntVar atIndex:2];40 41 [Invocation getArgument:&Arg3 atIndex:3];42 // CHECK-MESSAGES: :[[@LINE-1]]:27: warning: NSInvocation '-getArgument:atIndex:' should only pass pointers to objects with ownership __unsafe_unretained [objc-nsinvocation-argument-lifetime]43 44 [Invocation getArgument:&Arg4 atIndex:4];45 // CHECK-MESSAGES: :[[@LINE-1]]:27: warning: NSInvocation '-getArgument:atIndex:' should only pass pointers to objects with ownership __unsafe_unretained [objc-nsinvocation-argument-lifetime]46 47 [Invocation getArgument:&Arg5 atIndex:5];48 // CHECK-MESSAGES: :[[@LINE-1]]:27: warning: NSInvocation '-getArgument:atIndex:' should only pass pointers to objects with ownership __unsafe_unretained [objc-nsinvocation-argument-lifetime]49 50 [Invocation getArgument:&BlockArg1 atIndex:6];51 // CHECK-MESSAGES: :[[@LINE-1]]:27: warning: NSInvocation '-getArgument:atIndex:' should only pass pointers to objects with ownership __unsafe_unretained [objc-nsinvocation-argument-lifetime]52 53 [Invocation getArgument:&BlockArg2 atIndex:6];54 55 [Invocation getReturnValue:&ReturnValue];56 // CHECK-MESSAGES: :[[@LINE-1]]:30: warning: NSInvocation '-getReturnValue:' should only pass pointers to objects with ownership __unsafe_unretained [objc-nsinvocation-argument-lifetime]57 58 [Invocation getArgument:(void *)0 atIndex:6];59 60 [Invocation getArgument:&Bar.Field1 atIndex:2];61 [Invocation getArgument:&Bar.Field2 atIndex:2];62 // CHECK-MESSAGES: :[[@LINE-1]]:27: warning: NSInvocation '-getArgument:atIndex:' should only pass pointers to objects with ownership __unsafe_unretained [objc-nsinvocation-argument-lifetime]63 [Invocation getArgument:&Bar.IntField atIndex:2];64}65 66void bar(OtherClass *OC) {67 id Arg;68 [OC getArgument:&Arg atIndex:2];69}70 71@interface TestClass : NSObject {72@public73 id Argument1;74 __unsafe_unretained id Argument2;75 struct Foo Bar;76 int IntIvar;77}78@end79 80@implementation TestClass81 82- (void)processInvocation:(NSInvocation *)Invocation {83 [Invocation getArgument:&Argument1 atIndex:2];84 // CHECK-MESSAGES: :[[@LINE-1]]:27: warning: NSInvocation '-getArgument:atIndex:' should only pass pointers to objects with ownership __unsafe_unretained [objc-nsinvocation-argument-lifetime]85 [Invocation getArgument:&self->Argument1 atIndex:2];86 // CHECK-MESSAGES: :[[@LINE-1]]:27: warning: NSInvocation '-getArgument:atIndex:' should only pass pointers to objects with ownership __unsafe_unretained [objc-nsinvocation-argument-lifetime]87 [Invocation getArgument:&Argument2 atIndex:2];88 [Invocation getArgument:&self->Argument2 atIndex:2];89 [Invocation getArgument:&self->IntIvar atIndex:2];90 91 [Invocation getReturnValue:&(self->Bar.Field1)];92 [Invocation getReturnValue:&(self->Bar.Field2)];93 // CHECK-MESSAGES: :[[@LINE-1]]:30: warning: NSInvocation '-getReturnValue:' should only pass pointers to objects with ownership __unsafe_unretained [objc-nsinvocation-argument-lifetime]94 [Invocation getReturnValue:&(self->Bar.IntField)];95}96 97@end98 99void baz(NSInvocation *Invocation, TestClass *Obj) {100 [Invocation getArgument:&Obj->Argument1 atIndex:2];101 // CHECK-MESSAGES: :[[@LINE-1]]:27: warning: NSInvocation '-getArgument:atIndex:' should only pass pointers to objects with ownership __unsafe_unretained [objc-nsinvocation-argument-lifetime]102 [Invocation getArgument:&Obj->Argument2 atIndex:2];103}104