294 lines
9.7 KiB
Objective-C
294 lines
9.7 KiB
Objective-C
// RUN: %clang_cc1 -triple x86_64-apple-darwin11 -fobjc-runtime-has-weak -fsyntax-only -fobjc-arc -verify %s
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// rdar://9340606
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@interface Foo {
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@public
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id __unsafe_unretained x;
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id __weak y;
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id __autoreleasing z; // expected-error {{instance variables cannot have __autoreleasing ownership}}
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}
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@property(strong) id x;
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@property(strong) id y;
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@property(strong) id z;
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@end
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@interface Bar {
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@public
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id __unsafe_unretained x;
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id __weak y;
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id __autoreleasing z; // expected-error {{instance variables cannot have __autoreleasing ownership}}
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}
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@property(retain) id x;
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@property(retain) id y;
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@property(retain) id z;
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@end
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@interface Bas {
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@public
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id __unsafe_unretained x;
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id __weak y;
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id __autoreleasing z; // expected-error {{instance variables cannot have __autoreleasing ownership}}
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}
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@property(copy) id x;
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@property(copy) id y;
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@property(copy) id z;
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@end
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// Errors should start about here :-)
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@interface Bat
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@property(strong) __unsafe_unretained id x; // expected-error {{strong property 'x' may not also be declared __unsafe_unretained}}
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@property(strong) __weak id y; // expected-error {{strong property 'y' may not also be declared __weak}}
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@property(strong) __autoreleasing id z; // expected-error {{strong property 'z' may not also be declared __autoreleasing}}
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@end
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@interface Bau
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@property(retain) __unsafe_unretained id x; // expected-error {{strong property 'x' may not also be declared __unsafe_unretained}}
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@property(retain) __weak id y; // expected-error {{strong property 'y' may not also be declared __weak}}
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@property(retain) __autoreleasing id z; // expected-error {{strong property 'z' may not also be declared __autoreleasing}}
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@end
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@interface Bav
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@property(copy) __unsafe_unretained id x; // expected-error {{strong property 'x' may not also be declared __unsafe_unretained}}
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@property(copy) __weak id y; // expected-error {{strong property 'y' may not also be declared __weak}}
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@property(copy) __autoreleasing id z; // expected-error {{strong property 'z' may not also be declared __autoreleasing}}
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@end
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@interface Bingo
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@property(assign) __unsafe_unretained id x;
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@property(assign) __weak id y; // expected-error {{unsafe_unretained property 'y' may not also be declared __weak}}
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@property(assign) __autoreleasing id z; // expected-error {{unsafe_unretained property 'z' may not also be declared __autoreleasing}}
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@end
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@interface Batman
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@property(unsafe_unretained) __unsafe_unretained id x;
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@property(unsafe_unretained) __weak id y; // expected-error {{unsafe_unretained property 'y' may not also be declared __weak}}
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@property(unsafe_unretained) __autoreleasing id z; // expected-error {{unsafe_unretained property 'z' may not also be declared __autoreleasing}}
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@end
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// rdar://9396329
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@interface Super
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@property (readonly, retain) id foo;
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@property (readonly, weak) id fee;
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@property (readonly, strong) id frr;
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@end
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@interface Bugg : Super
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@property (readwrite) id foo;
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@property (readwrite) id fee;
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@property (readwrite) id frr;
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@end
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// rdar://20152386
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// rdar://20383235
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@interface NSObject @end
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#pragma clang assume_nonnull begin
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@interface I: NSObject
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@property(nonatomic, weak) id delegate; // Do not warn, nullable is inferred.
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@property(nonatomic, weak, readonly) id ROdelegate; // Do not warn, nullable is inferred.
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@property(nonatomic, weak, nonnull) id NonNulldelete; // expected-error {{property attributes 'nonnull' and 'weak' are mutually exclusive}}
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@property(nonatomic, weak, nullable) id Nullabledelete; // do not warn
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// strong cases.
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@property(nonatomic, strong) id stdelegate; // Do not warn
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@property(nonatomic, readonly) id stROdelegate; // Do not warn
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@property(nonatomic, strong, nonnull) id stNonNulldelete; // Do not warn
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@property(nonatomic, nullable) id stNullabledelete; // do not warn
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@end
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#pragma clang assume_nonnull end
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@interface J: NSObject
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@property(nonatomic, weak) id ddd; // Do not warn, nullable is inferred.
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@property(nonatomic, weak, nonnull) id delegate; // expected-error {{property attributes 'nonnull' and 'weak' are mutually exclusive}}
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@property(nonatomic, weak, nonnull, readonly) id ROdelegate; // expected-error {{property attributes 'nonnull' and 'weak' are mutually exclusive}}
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@end
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// rdar://problem/23931441
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@protocol P
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@property(readonly, retain) id prop;
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@end
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__attribute__((objc_root_class))
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@interface I2<P>
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@end
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@interface I2()
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@property (readwrite) id prop;
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@end
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@implementation I2
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@synthesize prop;
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@end
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// rdar://31579994
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// Verify that the all of the property declarations in inherited protocols are
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// compatible when synthesing a property from a protocol.
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@protocol CopyVsAssign1
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@property (copy, nonatomic, readonly) id prop; // expected-error {{property with attribute 'copy' was selected for synthesis}}
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@end
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@protocol CopyVsAssign2
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@property (assign, nonatomic, readonly) id prop; // expected-note {{it could also be property without attribute 'copy' declared here}}
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@end
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@interface CopyVsAssign: Foo <CopyVsAssign1, CopyVsAssign2>
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@end
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@implementation CopyVsAssign
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@synthesize prop; // expected-note {{property synthesized here}}
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@end
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@protocol RetainVsNonRetain1
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@property (readonly) id prop; // expected-error {{property without attribute 'retain (or strong)' was selected for synthesis}}
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@end
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@protocol RetainVsNonRetain2
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@property (retain, readonly) id prop; // expected-note {{it could also be property with attribute 'retain (or strong)' declared here}}
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@end
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@interface RetainVsNonRetain: Foo <RetainVsNonRetain1, RetainVsNonRetain2>
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@end
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@implementation RetainVsNonRetain
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@synthesize prop; // expected-note {{property synthesized here}}
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@end
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@protocol AtomicVsNonatomic1
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@property (copy, nonatomic, readonly) id prop; // expected-error {{property without attribute 'atomic' was selected for synthesis}}
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@end
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@protocol AtomicVsNonatomic2
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@property (copy, atomic, readonly) id prop; // expected-note {{it could also be property with attribute 'atomic' declared here}}
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@end
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@interface AtomicVsNonAtomic: Foo <AtomicVsNonatomic1, AtomicVsNonatomic2>
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@end
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@implementation AtomicVsNonAtomic
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@synthesize prop; // expected-note {{property synthesized here}}
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@end
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@protocol Getter1
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@property (copy, readonly) id prop; // expected-error {{property with getter 'prop' was selected for synthesis}}
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@end
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@protocol Getter2
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@property (copy, getter=x, readonly) id prop; // expected-note {{it could also be property with getter 'x' declared here}}
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@end
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@interface GetterVsGetter: Foo <Getter1, Getter2>
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@end
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@implementation GetterVsGetter
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@synthesize prop; // expected-note {{property synthesized here}}
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@end
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@protocol Setter1
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@property (copy, readonly) id prop;
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@end
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@protocol Setter2
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@property (copy, setter=setp:, readwrite) id prop; // expected-error {{property with setter 'setp:' was selected for synthesis}}
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@end
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@protocol Setter3
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@property (copy, readwrite) id prop; // expected-note {{it could also be property with setter 'setProp:' declared here}}
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@end
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@interface SetterVsSetter: Foo <Setter1, Setter2, Setter3>
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@end
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@implementation SetterVsSetter
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@synthesize prop; // expected-note {{property synthesized here}}
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@end
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@protocol TypeVsAttribute1
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@property (assign, atomic, readonly) int prop; // expected-error {{property of type 'int' was selected for synthesis}}
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@end
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@protocol TypeVsAttribute2
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@property (assign, atomic, readonly) id prop; // expected-note {{it could also be property of type 'id' declared here}}
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@end
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@protocol TypeVsAttribute3
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@property (copy, readonly) id prop; // expected-note {{it could also be property with attribute 'copy' declared here}}
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@end
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@interface TypeVsAttribute: Foo <TypeVsAttribute1, TypeVsAttribute2, TypeVsAttribute3>
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@end
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@implementation TypeVsAttribute
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@synthesize prop; // expected-note {{property synthesized here}}
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@end
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@protocol TypeVsSetter1
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@property (assign, nonatomic, readonly) int prop; // expected-note {{it could also be property of type 'int' declared here}}
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@end
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@protocol TypeVsSetter2
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@property (assign, nonatomic, readonly) id prop; // ok
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@end
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@protocol TypeVsSetter3
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@property (assign, nonatomic, readwrite) id prop; // expected-error {{property of type 'id' was selected for synthesis}}
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@end
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@interface TypeVsSetter: Foo <TypeVsSetter1, TypeVsSetter2, TypeVsSetter3>
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@end
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@implementation TypeVsSetter
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@synthesize prop; // expected-note {{property synthesized here}}
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@end
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@protocol AutoStrongProp
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@property (nonatomic, readonly) NSObject *prop;
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@end
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@protocol AutoStrongProp_Internal <AutoStrongProp>
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// This property gets the 'strong' attribute automatically.
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@property (nonatomic, readwrite) NSObject *prop;
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@end
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@interface SynthesizeWithImplicitStrongNoError : NSObject <AutoStrongProp>
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@end
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@interface SynthesizeWithImplicitStrongNoError () <AutoStrongProp_Internal>
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@end
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@implementation SynthesizeWithImplicitStrongNoError
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// no error, 'strong' is implicit in the 'readwrite' property.
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@synthesize prop = _prop;
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@end
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// rdar://39024725
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// Allow strong readwrite property and a readonly one.
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@protocol StrongCollision
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@property(strong) NSObject *p;
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@property(copy) NSObject *p2;
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// expected-error@+1 {{property with attribute 'retain (or strong)' was selected for synthesis}}
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@property(strong, readwrite) NSObject *collision;
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@end
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@protocol ReadonlyCollision
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@property(readonly) NSObject *p;
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@property(readonly) NSObject *p2;
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// expected-note@+1 {{it could also be property without attribute 'retain (or strong)' declared here}}
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@property(readonly, weak) NSObject *collision;
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@end
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@interface StrongReadonlyCollision : NSObject <StrongCollision, ReadonlyCollision>
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@end
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@implementation StrongReadonlyCollision
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// no error
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@synthesize p = _p;
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@synthesize p2 = _p2;
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@synthesize collision = _collision; // expected-note {{property synthesized here}}
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@end
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// This used to crash because we'd temporarly store the weak attribute on the
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// declaration specifier, then deallocate it when clearing the declarator.
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id i1, __weak i2, i3;
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