1// RUN: %clang_cc1 -fsyntax-only -Wsuper-class-method-mismatch -verify %s 2 3@interface Root 4-(void) method_r: (char)ch : (float*)f1 : (int*) x; // expected-note {{previous declaration is here}} 5@end 6 7@class Sub; 8 9@interface Base : Root 10-(void) method: (int*) x; // expected-note {{previous declaration is here}} 11-(void) method1: (Base*) x; // expected-note {{previous declaration is here}} 12-(void) method2: (Sub*) x; // expected-note{{passing argument to parameter 'x' here}} 13+ method3: (int)x1 : (Base *)x2 : (float)x3; // expected-note {{previous declaration is here}} 14+ mathod4: (id)x1; 15- method5: (int) x : (double) d; // expected-note {{previous declaration is here}} 16- method6: (int) x : (float) d; // expected-note {{previous declaration is here}} 17@end 18 19struct A { 20 int x,y,z; 21}; 22 23@interface Sub : Base 24-(void) method: (struct A*) a; // expected-warning {{method parameter type 'struct A *' does not match super class method parameter type 'int *'}} 25-(void) method1: (Sub*) x; // expected-warning {{method parameter type 'Sub *' does not match super class method parameter type 'Base *'}} 26-(void) method2: (Base*) x; // no need to warn. At call point we warn if need be. 27+ method3: (int)x1 : (Sub *)x2 : (float)x3; // expected-warning {{method parameter type 'Sub *' does not match super class method parameter type 'Base *'}} 28+ mathod4: (Base*)x1; 29-(void) method_r: (char)ch : (float*)f1 : (Sub*) x; // expected-warning {{method parameter type 'Sub *' does not match super class method parameter type 'int *'}} 30- method5: (int) x : (float) d; // expected-warning {{method parameter type 'float' does not match super class method parameter type 'double'}} 31- method6: (int) x : (double) d; // expected-warning {{method parameter type 'double' does not match super class method parameter type 'float'}} 32@end 33 34void f(Base *base, Sub *sub) { 35 int x; 36 [base method:&x]; // warn. if base is actually 'Sub' it will use -[Sub method] with wrong arguments 37 38 Base *b; 39 [base method1:b]; // if base is actuall 'Sub' it will use [Sub method1] with wrong argument. 40 41 [base method2:b]; // expected-warning {{}} 42 43 Sub *s; 44 [base method2:s]; // if base is actually 'Sub' OK. Either way OK. 45 46} 47 48 49 50 51