1 // RUN: %clang_cc1 -fsyntax-only -verify %s 2 3 #include <stddef.h> 4 5 typedef struct objc_object *id; 6 id objc_getClass(const char *s); 7 8 @interface Object 9 - (id) initWithInt: (int) i; 10 @end 11 12 @protocol Func 13 + (int) class_func0; 14 - (int) instance_func0; 15 @end 16 17 @interface Derived: Object // expected-note {{receiver is instance of class declared here}} 18 + (int) class_func1; 19 + (int) class_func2; 20 + (int) class_func3; 21 + (int) class_func4; 22 + (int) class_func5; 23 + (int) class_func6; 24 + (int) class_func7; 25 - (int) instance_func1; 26 - (int) instance_func2; 27 - (int) instance_func3; 28 - (int) instance_func4; 29 - (int) instance_func5; 30 - (int) instance_func6; 31 - (int) instance_func7; 32 - (id) initWithInt: (int) i; 33 @end 34 35 @implementation Derived 36 + (int) class_func1 37 { 38 int i = (size_t)[self class_func0]; // expected-warning {{class method '+class_func0' not found (return type defaults to 'id'); did you mean '+class_func}} 39 return i + (size_t)[super class_func0]; // expected-warning {{class method '+class_func0' not found (return type defaults to 'id')}} 40 } 41 + (int) class_func2 42 { 43 int i = [(id <Func>)self class_func0]; 44 i += [(id <Func>)super class_func0]; // expected-error {{cannot cast 'super' (it isn't an expression)}} 45 i += [(Class <Func>)self class_func0]; // 46 return i + [(Class <Func>)super class_func0]; // // expected-error {{cannot cast 'super' (it isn't an expression)}} 47 } 48 + (int) class_func3 49 { 50 return [(Object <Func> *)super class_func0]; // expected-error {{cannot cast 'super' (it isn't an expression)}} 51 } 52 + (int) class_func4 53 { 54 return [(Derived <Func> *)super class_func0]; // expected-error {{cannot cast 'super' (it isn't an expression)}} 55 } 56 + (int) class_func5 57 { 58 int i = (size_t)[Derived class_func0]; // expected-warning {{class method '+class_func0' not found (return type defaults to 'id')}} 59 return i + (size_t)[Object class_func0]; // expected-warning {{class method '+class_func0' not found (return type defaults to 'id')}} 60 } 61 + (int) class_func6 62 { 63 return (size_t)[objc_getClass("Object") class_func1]; // GCC warns about this 64 } 65 + (int) class_func7 66 { 67 return [objc_getClass("Derived") class_func1]; 68 } 69 - (int) instance_func1 70 { 71 int i = (size_t)[self instance_func0]; // expected-warning {{instance method '-instance_func0' not found (return type defaults to 'id'); did you mean}} 72 return i + (size_t)[super instance_func0]; // expected-warning {{'Object' may not respond to 'instance_func0'}} 73 } 74 - (int) instance_func2 75 { 76 return [(id <Func>)super instance_func0]; // expected-error {{cannot cast 'super' (it isn't an expression)}} 77 } 78 - (int) instance_func3 79 { 80 return [(Object <Func> *)super instance_func0]; // expected-error {{cannot cast 'super' (it isn't an expression)}} 81 } 82 - (int) instance_func4 83 { 84 return [(Derived <Func> *)super instance_func0]; // expected-error {{cannot cast 'super' (it isn't an expression)}} 85 } 86 - (int) instance_func5 87 { 88 int i = (size_t)[Derived instance_func1]; // expected-warning {{class method '+instance_func1' not found (return type defaults to 'id')}} 89 return i + (size_t)[Object instance_func1]; // expected-warning {{class method '+instance_func1' not found (return type defaults to 'id')}} 90 } 91 - (int) instance_func6 92 { 93 return (size_t)[objc_getClass("Object") class_func1]; 94 } 95 - (int) instance_func7 96 { 97 return [objc_getClass("Derived") class_func1]; 98 } 99 - (id) initWithInt: (int) i 100 { 101 // Don't warn about parentheses here. 102 if (self = [super initWithInt: i]) { 103 [self instance_func1]; 104 } 105 return self; 106 } 107 @end 108 109
