minix/external/bsd/llvm/dist/clang/test/SemaObjC/unsued-backing-ivar-warning.m

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// RUN: %clang_cc1 -fsyntax-only -Wunused-property-ivar -verify -Wno-objc-root-class %s
// rdar://14989999
@interface NSObject @end
@interface Example : NSObject
@property (nonatomic, copy) id t; // expected-note {{property declared here}}
@property (nonatomic, copy) id u; // expected-note {{property declared here}}
@property (nonatomic, copy) id v; // expected-note {{property declared here}}
@property (nonatomic, copy) id w;
@property (nonatomic, copy) id x; // expected-note {{property declared here}}
@property (nonatomic, copy) id y; // expected-note {{property declared here}}
@property (nonatomic, copy) id z;
@property (nonatomic, copy) id ok;
@end
@implementation Example
- (void) setX:(id)newX { // expected-warning {{ivar '_x' which backs the property is not referenced in this property's accessor}}
_y = newX;
}
- (id) y { // expected-warning {{ivar '_y' which backs the property is not referenced in this property's accessor}}
return _v;
}
- (void) setV:(id)newV { // expected-warning {{ivar '_v' which backs the property is not referenced in this property's accessor}}
_y = newV;
}
// No warning here because there is no backing ivar.
// both setter/getter are user defined.
- (void) setW:(id)newW {
_y = newW;
}
- (id) w {
return _v;
}
- (id) u { // expected-warning {{ivar '_u' which backs the property is not referenced in this property's accessor}}
return _v;
}
@synthesize ok = okIvar;
- (void) setOk:(id)newOk {
okIvar = newOk;
}
@synthesize t = tIvar;
- (void) setT:(id)newT { // expected-warning {{ivar 'tIvar' which backs the property is not referenced in this property's accessor}}
okIvar = newT;
}
@end
// rdar://15473432
typedef char BOOL;
@interface CalDAVServerVersion {
BOOL _supportsTimeRangeFilterWithoutEndDate;
}
@property (nonatomic, readonly,nonatomic) BOOL supportsTimeRangeFilterWithoutEndDate;
@end
@interface CalDAVConcreteServerVersion : CalDAVServerVersion {
}
@end
@interface CalendarServerVersion : CalDAVConcreteServerVersion
@end
@implementation CalDAVServerVersion
@synthesize supportsTimeRangeFilterWithoutEndDate=_supportsTimeRangeFilterWithoutEndDate;
@end
@implementation CalendarServerVersion
-(BOOL)supportsTimeRangeFilterWithoutEndDate {
return 0;
}
@end