50 lines
2.2 KiB
Objective-C
50 lines
2.2 KiB
Objective-C
// RUN: %clang_cc1 -fsyntax-only -Wsuper-class-method-mismatch -verify %s
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@interface Root
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-(void) method_r: (char)ch : (float*)f1 : (int*) x; // expected-note {{previous declaration is here}}
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@end
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@class Sub;
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@interface Base : Root
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-(void) method: (int*) x; // expected-note {{previous declaration is here}}
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-(void) method1: (Base*) x; // expected-note {{previous declaration is here}}
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-(void) method2: (Sub*) x; // expected-note{{passing argument to parameter 'x' here}}
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+ method3: (int)x1 : (Base *)x2 : (float)x3; // expected-note {{previous declaration is here}}
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+ mathod4: (id)x1;
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- method5: (int) x : (double) d; // expected-note {{previous declaration is here}}
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- method6: (int) x : (float) d; // expected-note {{previous declaration is here}}
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@end
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struct A {
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int x,y,z;
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};
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@interface Sub : Base
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-(void) method: (struct A*) a; // expected-warning {{method parameter type 'struct A *' does not match super class method parameter type 'int *'}}
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-(void) method1: (Sub*) x; // expected-warning {{method parameter type 'Sub *' does not match super class method parameter type 'Base *'}}
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-(void) method2: (Base*) x; // no need to warn. At call point we warn if need be.
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+ method3: (int)x1 : (Sub *)x2 : (float)x3; // expected-warning {{method parameter type 'Sub *' does not match super class method parameter type 'Base *'}}
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+ mathod4: (Base*)x1;
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-(void) method_r: (char)ch : (float*)f1 : (Sub*) x; // expected-warning {{method parameter type 'Sub *' does not match super class method parameter type 'int *'}}
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- method5: (int) x : (float) d; // expected-warning {{method parameter type 'float' does not match super class method parameter type 'double'}}
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- method6: (int) x : (double) d; // expected-warning {{method parameter type 'double' does not match super class method parameter type 'float'}}
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@end
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void f(Base *base, Sub *sub) {
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int x;
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[base method:&x]; // warn. if base is actually 'Sub' it will use -[Sub method] with wrong arguments
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Base *b;
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[base method1:b]; // if base is actuall 'Sub' it will use [Sub method1] with wrong argument.
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[base method2:b]; // expected-warning {{}}
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Sub *s;
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[base method2:s]; // if base is actually 'Sub' OK. Either way OK.
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}
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