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https://github.com/epiqc/ScaffCC
05 April 2024, 19:04:42 UTC
Revision 067cc59bd7a234226b81962ea78260b95061620b authored by ah744 on 01 February 2017, 21:14:46 UTC, committed by ah744 on 01 February 2017, 21:14:46 UTC 
Afree() Implemetation Complete
1 parent 801b6f9
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Tip revision: 067cc59bd7a234226b81962ea78260b95061620b authored by ah744 on 01 February 2017, 21:14:46 UTC
Afree() Implemetation Complete
Tip revision: 067cc59
protocol-typecheck.m 
// RUN: %clang_cc1 -fsyntax-only -verify %s

@interface NSObject @end
@protocol XCElementP @end
@protocol XCElementSpacerP <XCElementP>  @end

@protocol PWhatever @end

@interface XX

- (void)setFlexElement:(NSObject <PWhatever, XCElementP> *)flexer;
- (void)setFlexElement2:(NSObject <PWhatever, XCElementSpacerP> *)flexer; // expected-note{{passing argument to parameter 'flexer' here}}

@end

void func() {
  NSObject <PWhatever, XCElementSpacerP> * flexer;
  NSObject <PWhatever, XCElementP> * flexer2;
  XX *obj;
  [obj setFlexElement:flexer];
  // FIXME: GCC provides the following diagnostic (which is much better):
  // protocol-typecheck.m:21: warning: class 'NSObject <PWhatever, XCElementP>' does not implement the 'XCElementSpacerP' protocol
  [obj setFlexElement2:flexer2]; // expected-warning{{incompatible pointer types sending 'NSObject<PWhatever,XCElementP> *' to parameter of type 'NSObject<PWhatever,XCElementSpacerP> *'}}
}
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