51 lines
		
	
	
		
			2.2 KiB
		
	
	
	
		
			Objective-C
		
	
	
	
			
		
		
	
	
			51 lines
		
	
	
		
			2.2 KiB
		
	
	
	
		
			Objective-C
		
	
	
	
| // RUN: %clang_cc1  -fsyntax-only -Wsuper-class-method-mismatch -verify %s
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| 
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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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| 
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| @class Sub;
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| 
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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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| 
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| struct A {
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|   int x,y,z;
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| };
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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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| 
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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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|   
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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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| 
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|   [base method2:b];  // expected-warning {{}}
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| 
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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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| }
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| 
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| 
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| 
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| 
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