128 lines
5.5 KiB
Objective-C
128 lines
5.5 KiB
Objective-C
// RUN: %clang_cc1 -triple x86_64-apple-darwin11 -fsyntax-only -fobjc-arc -verify %s
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// rdar://12056271
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@class Thread;
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__attribute__((objc_root_class))
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@interface NSObject
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- (id)performSelector:(SEL)sel;
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- (void)performSelectorInBackground:(SEL)sel withObject:(id)arg;
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- (void)performSelectorOnMainThread:(SEL)sel;
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- (void)performSelectorOnMainThread:(SEL)aSelector
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onThread:(Thread *)thread
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withObject:(id)arg
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waitUntilDone:(int)wait
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modes:(id *)array;
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@end
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typedef struct { int x; int y; int width; int height; } Rectangle;
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struct Struct { Rectangle r; };
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typedef union { int x; float f; } Union;
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@interface Base : NSObject
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- (struct Struct)returnsStruct2; // expected-note {{method 'returnsStruct2' that returns 'struct Struct' declared here}}
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- (Union)returnsId;
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@end
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@protocol IP
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- (Union)returnsUnion; // expected-note 2 {{method 'returnsUnion' that returns 'Union' declared here}}
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@end
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typedef __attribute__((__ext_vector_type__(3))) float float3;
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typedef int int4 __attribute__ ((vector_size (16)));
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@interface I : Base<IP>
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- (Rectangle)returnsStruct; // expected-note 4 {{method 'returnsStruct' that returns 'Rectangle' declared here}}
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- (id)returnsId; // shadows base 'returnsId'
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- (int)returnsInt;
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- (I *)returnPtr;
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- (float3)returnsExtVector; // expected-note {{method 'returnsExtVector' that returns 'float3' (vector of 3 'float' values) declared here}}
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- (int4)returnsVector; // expected-note {{method 'returnsVector' that returns 'int4' (vector of 4 'int' values) declared here}}
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+ (Rectangle)returnsStructClass; // expected-note 2 {{method 'returnsStructClass' that returns 'Rectangle' declared here}}
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+ (void)returnsUnion; // Not really
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@end
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void foo(I *i) {
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[i performSelector: @selector(returnsStruct)]; // expected-warning {{'performSelector:' is incompatible with selectors that return a struct type}}
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[i performSelectorInBackground: @selector(returnsStruct) withObject:0]; // expected-warning {{'performSelectorInBackground:withObject:' is incompatible with selectors that return a struct type}}
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[i performSelector: ((@selector(returnsUnion)))]; // expected-warning {{'performSelector:' is incompatible with selectors that return a union type}}
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[i performSelectorOnMainThread: @selector(returnsStruct2)]; // expected-warning {{'performSelectorOnMainThread:' is incompatible with selectors that return a struct type}}
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[I performSelector: (@selector(returnsStructClass))]; // expected-warning {{'performSelector:' is incompatible with selectors that return a struct type}}
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[i performSelector: @selector(returnsId)];
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[i performSelector: @selector(returnsInt)];
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[i performSelector: @selector(returnsPtr)];
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[I performSelector: @selector(returnsUnion)]; // No warning expected
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id obj = i;
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[obj performSelector: @selector(returnsId)];
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[obj performSelector: @selector(returnsStruct)];
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}
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@interface SubClass: I
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@end
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@interface SubClass ()
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- (struct Struct)returnsSubStructExt; // expected-note {{method 'returnsSubStructExt' that returns 'struct Struct' declared here}} expected-note {{method 'returnsSubStructExt' declared here}}
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@end
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@implementation SubClass // expected-warning {{method definition for 'returnsSubStructExt' not found}}
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- (struct Struct)returnsSubStructImpl { // expected-note {{method 'returnsSubStructImpl' that returns 'struct Struct' declared here}}
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struct Struct Result;
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return Result;
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}
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- (void)checkPrivateCalls {
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[self performSelector: @selector(returnsSubStructExt)]; // expected-warning {{'performSelector:' is incompatible with selectors that return a struct type}}
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[self performSelector: @selector(returnsSubStructImpl)]; // expected-warning {{'performSelector:' is incompatible with selectors that return a struct type}}
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}
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- (void)checkSuperCalls {
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[super performSelector: @selector(returnsStruct)]; // expected-warning {{'performSelector:' is incompatible with selectors that return a struct type}}
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[super performSelectorInBackground: @selector(returnsUnion) withObject: self]; // expected-warning {{'performSelectorInBackground:withObject:' is incompatible with selectors that return a union type}}
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[super performSelector: @selector(returnsId)];
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}
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+ (struct Struct)returnsSubStructClassImpl { // expected-note {{method 'returnsSubStructClassImpl' that returns 'struct Struct' declared here}}
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struct Struct Result;
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return Result;
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}
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+ (void)checkClassPrivateCalls {
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[self performSelector: @selector(returnsSubStructClassImpl)]; // expected-warning {{'performSelector:' is incompatible with selectors that return a struct type}}
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}
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+ (void)checkClassSuperCalls {
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[super performSelector: @selector(returnsStructClass)]; // expected-warning {{'performSelector:' is incompatible with selectors that return a struct type}}
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[super performSelector: @selector(returnsUnion)]; // No warning expected
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}
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@end
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@implementation I (LongPerformSelectors)
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- (void)checkLongCallsFromCategory {
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[self performSelectorOnMainThread: @selector(returnsStruct) onThread:0 withObject:self waitUntilDone:1 modes:0]; // expected-warning {{'performSelectorOnMainThread:onThread:withObject:waitUntilDone:modes:' is incompatible with selectors that return a struct type}}
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}
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- (void)checkVectorReturn {
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[self performSelector: @selector(returnsExtVector)]; // expected-warning {{'performSelector:' is incompatible with selectors that return a vector type}}
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[self performSelector: @selector(returnsVector)]; // expected-warning {{'performSelector:' is incompatible with selectors that return a vector type}}
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}
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@end
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