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a8fbad3551
ClangImporter can import some methods as throwing that `@objc` cannot generate. For instance, an imported Objective-C method with an error out parameter in an unconventional position can still be imported as throwing no matter its selector, but `@objc` can only generate an error out parameter in an unconventional position if the matching selector part consists of the word `error` or (for the first part) ends with `Error`. Detect and diagnose these situations. Note that the tests do not cover all of the new diagnostics because some of these conditions (like the `Void` parameter) cause selector mismatches and others (like the owned error parameter) are representable in the compiler but cannot currently be imported. I have chosen to add these diagnostics anyway in case there is a corner case that I haven’t discovered. Fixes rdar://110100071.
166 lines
5.4 KiB
Objective-C
166 lines
5.4 KiB
Objective-C
@import Foundation;
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@interface ObjCBaseClass
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// Need two initializers to reproduce certain conflict bugs.
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- (instancetype)initFromSuperclass:(int)param __attribute__((objc_designated_initializer));
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- (instancetype)initFromSuperclass2:(int)param __attribute__((objc_designated_initializer));
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- (void)superclassMethod:(int)param;
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@property (assign) int superclassProperty;
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@end
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@protocol ObjCProto
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- (instancetype)initFromProtocol1:(int)param;
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- (instancetype)initFromProtocol2:(int)param;
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@end
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@interface ObjCClass : ObjCBaseClass <ObjCProto>
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- (instancetype)initNotFromProtocol:(int)param;
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- (void)methodFromHeader1:(int)param;
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- (void)methodFromHeader2:(int)param;
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- (void)methodFromHeader3:(int)param;
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- (void)methodFromHeader4:(int)param;
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- (int)methodFromHeader5;
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- (void)methodFromHeader6:(int)param;
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@property int propertyFromHeader1;
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@property int propertyFromHeader2;
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@property int propertyFromHeader3;
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@property int propertyFromHeader4;
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@property int propertyFromHeader5;
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@property int propertyFromHeader6;
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@property int propertyFromHeader7;
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@property int propertyFromHeader8;
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@property int propertyFromHeader9;
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@property int propertyFromHeader10;
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@property int propertyFromHeader11;
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@property (readonly) int readonlyPropertyFromHeader1;
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@property (readonly) int readonlyPropertyFromHeader2;
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@property (readonly) int readonlyPropertyFromHeader3;
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@property (readonly) int readonlyPropertyFromHeader4;
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@property (readonly) int readonlyPropertyFromHeader5;
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@property (readonly) int readonlyPropertyFromHeader6;
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+ (void)classMethod1:(int)param;
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+ (void)classMethod2:(int)param;
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+ (void)classMethod3:(int)param;
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- (void)instanceMethod1:(int)param;
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- (void)instanceMethod2:(int)param;
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@end
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@interface ObjCClass (PresentAdditions)
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- (void)categoryMethodFromHeader1:(int)param;
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- (void)categoryMethodFromHeader2:(int)param;
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- (void)categoryMethodFromHeader3:(int)param;
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- (void)categoryMethodFromHeader4:(int)param;
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@property int categoryPropertyFromHeader1;
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@property int categoryPropertyFromHeader2;
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@property int categoryPropertyFromHeader3;
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@property int categoryPropertyFromHeader4;
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@end
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@interface ObjCClass (SwiftNameTests)
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- (void)methodObjCName1 __attribute__((swift_name("methodSwiftName1()")));
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- (void)methodObjCName2 __attribute__((swift_name("methodSwiftName2()")));
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- (void)methodObjCName3 __attribute__((swift_name("methodSwiftName3()")));
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- (void)methodObjCName4 __attribute__((swift_name("methodSwiftName4()")));
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- (void)methodObjCName5 __attribute__((swift_name("methodSwiftName5()")));
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- (void)methodObjCName6A __attribute__((swift_name("methodSwiftName6A()")));
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- (void)methodObjCName6B __attribute__((swift_name("methodSwiftName6B()")));
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@end
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@interface ObjCClass (AmbiguousMethods)
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- (void)ambiguousMethod1WithCInt:(int)param __attribute__((swift_name("ambiguousMethod1(with:)")));
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- (void)ambiguousMethod1WithCChar:(char)param __attribute__((swift_name("ambiguousMethod1(with:)")));
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- (void)ambiguousMethod2WithCInt:(int)param __attribute__((swift_name("ambiguousMethod2(with:)")));
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- (void)ambiguousMethod2WithCChar:(char)param __attribute__((swift_name("ambiguousMethod2(with:)")));
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- (void)ambiguousMethod3WithCInt:(int)param __attribute__((swift_name("ambiguousMethod3(with:)")));
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- (void)ambiguousMethod3WithCChar:(char)param __attribute__((swift_name("ambiguousMethod3(with:)")));
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- (void)ambiguousMethod4WithCInt:(int)param __attribute__((swift_name("ambiguousMethod4(with:)")));
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@end
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@interface ObjCClass (Effects)
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- (void)doSomethingAsynchronousWithCompletionHandler:(void (^ _Nonnull)(id _Nullable result, NSError * _Nullable error))completionHandler;
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- (void)doSomethingElseAsynchronousWithCompletionHandler:(void (^ _Nullable)(id _Nonnull result))completionHandler;
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- (void)doSomethingFunAndAsynchronousWithCompletionHandler:(void (^ _Nonnull)(id _Nullable result, NSError * _Nullable error))completionHandler;
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- (void)doSomethingOverloadedWithCompletionHandler:(void (^ _Nonnull)())completionHandler;
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- (void)doSomethingOverloaded __attribute__((__swift_attr__("@_unavailableFromAsync(message: \"Use async doSomethingOverloaded instead.\")")));
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- (BOOL)doSomethingThatCanFailWithHandler:(void (^ _Nonnull)())handler error:(NSError **)error;
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- (BOOL)doSomethingElseThatCanFail:(NSError **)error handler:(void (^ _Nonnull)())handler;
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- (BOOL)doSomethingThatCanFailWithWeirdParameterWithHandler:(void (^ _Nonnull)())handler :(NSError **)error;
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- (int)doSomethingThatCanFailWithWeirdReturnCodeWithError:(NSError **)error __attribute__((swift_error(nonzero_result)));
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@end
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@protocol PartiallyOptionalProtocol
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- (void)requiredMethod1;
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- (void)requiredMethod2;
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@optional
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- (void)optionalMethod1;
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- (void)optionalMethod2;
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@end
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@interface ObjCClass (Conformance) <PartiallyOptionalProtocol>
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@end
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@interface ObjCClass (TypeMatchOptionality)
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- (nullable id)nullableResultAndArg:(nullable id)arg;
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- (nonnull id)nonnullResultAndArg:(nonnull id)arg;
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- (null_unspecified id)nullUnspecifiedResultAndArg:(null_unspecified id)arg;
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- (nonnull id)nonnullResult1;
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- (nonnull id)nonnullResult2;
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- (nonnull id)nonnullResult3;
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- (void)nonnullArgument1:(nonnull id)arg;
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- (void)nonnullArgument2:(nonnull id)arg;
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- (void)nonnullArgument3:(nonnull id)arg;
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- (nullable id)nullableResult;
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- (void)nullableArgument:(nullable id)arg;
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- (int)nonPointerResult;
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- (void)nonPointerArgument:(int)arg;
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@end
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@interface ObjCSubclass : ObjCClass
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- (void)subclassMethodFromHeader1:(int)param;
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@end
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struct ObjCStruct {
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int foo;
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};
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@protocol EmptyObjCProto
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@end
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