55 lines
2.0 KiB
Mathematica
55 lines
2.0 KiB
Mathematica
|
// RUN: %clang_cc1 -fsyntax-only -verify -pedantic %s
|
||
|
|
|
||
|
|
@protocol NSObject
|
||
|
|
@end
|
||
|
|
@interface NSObject <NSObject> {
|
||
|
|
}
|
||
|
|
@end
|
||
|
|
@interface NSString : NSObject
|
||
|
|
@end
|
||
|
|
void __setRetained(id *ivar, id value, NSObject **o) {
|
||
|
|
*ivar = value;
|
||
|
|
}
|
||
|
|
static NSString *_logProcessPrefix = 0;
|
||
|
|
void func() {
|
||
|
|
__setRetained(&_logProcessPrefix, _logProcessPrefix, &_logProcessPrefix);
|
||
|
|
}
|
||
|
|
@implementation NSObject (ScopeAdditions)
|
||
|
|
+ (void)setObjectLogProcessPrefix:(NSString *)processPrefix {
|
||
|
|
__setRetained(&_logProcessPrefix, processPrefix, &_logProcessPrefix);
|
||
|
|
}
|
||
|
|
@end
|
||
|
|
|
||
|
|
@class Derived;
|
||
|
|
|
||
|
|
NSObject *ExternFunc (NSObject *filePath, NSObject *key);
|
||
|
|
typedef id FuncSignature (NSObject *arg1, Derived *arg2);
|
||
|
|
|
||
|
|
@interface Derived: NSObject
|
||
|
|
+ (void)registerFunc:(FuncSignature *)function; // expected-note{{passing argument to parameter 'function' here}}
|
||
|
|
@end
|
||
|
|
|
||
|
|
void foo(void)
|
||
|
|
{
|
||
|
|
// GCC currently allows this (it has some fiarly new support for covariant return types and contravariant argument types).
|
||
|
|
// Since registerFunc: expects a Derived object as it's second argument, I don't know why this would be legal.
|
||
|
|
[Derived registerFunc: ExternFunc]; // expected-warning{{incompatible function pointer types sending 'NSObject *(NSObject *, NSObject *)' to parameter of type 'FuncSignature *' (aka 'id (*)(NSObject *, Derived *)')}}
|
||
|
|
}
|
||
|
|
|
||
|
|
// rdar://10751015
|
||
|
|
@protocol NSCopying @end
|
||
|
|
@interface I
|
||
|
|
- (void) Meth : (id <NSCopying>)aKey; // expected-note {{passing argument to parameter 'aKey' here}}
|
||
|
|
@end
|
||
|
|
|
||
|
|
@class ForwarClass; // expected-note 3 {{conformance of forward class 'ForwarClass' to protocol 'NSCopying' can not be confirmed}}
|
||
|
|
|
||
|
|
ForwarClass *Test10751015 (I* pi, ForwarClass *ns_forward) {
|
||
|
|
|
||
|
|
[pi Meth : ns_forward ]; // expected-warning {{sending 'ForwarClass *' to parameter of incompatible type 'id<NSCopying>'}}
|
||
|
|
|
||
|
|
id <NSCopying> id_ns = ns_forward; // expected-warning {{initializing 'id<NSCopying>' with an expression of incompatible type 'ForwarClass *'}}
|
||
|
|
|
||
|
|
return id_ns; // expected-warning {{returning 'id<NSCopying>' from a function with incompatible result type 'ForwarClass *'}}
|
||
|
|
}
|