| 1 | // RUN: %clang_cc1 -fsyntax-only -verify %s |
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| 2 | |
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| 3 | #include <stddef.h> |
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| 4 | |
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| 5 | typedef struct objc_object *id; |
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| 6 | id objc_getClass(const char *s); |
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| 7 | |
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| 8 | @interface Object |
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| 9 | - (id) initWithInt: (int) i; |
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| 10 | @end |
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| 11 | |
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| 12 | @protocol Func |
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| 13 | + (int) class_func0; |
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| 14 | - (int) instance_func0; |
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| 15 | @end |
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| 16 | |
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| 17 | @interface Derived: Object // expected-note {{receiver is instance of class declared here}} |
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| 18 | + (int) class_func1; |
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| 19 | + (int) class_func2; |
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| 20 | + (int) class_func3; |
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| 21 | + (int) class_func4; |
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| 22 | + (int) class_func5; |
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| 23 | + (int) class_func6; |
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| 24 | + (int) class_func7; |
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| 25 | - (int) instance_func1; |
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| 26 | - (int) instance_func2; |
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| 27 | - (int) instance_func3; |
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| 28 | - (int) instance_func4; |
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| 29 | - (int) instance_func5; |
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| 30 | - (int) instance_func6; |
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| 31 | - (int) instance_func7; |
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| 32 | - (id) initWithInt: (int) i; |
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| 33 | @end |
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| 34 | |
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| 35 | @implementation Derived |
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| 36 | + (int) class_func1 |
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| 37 | { |
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| 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}} |
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| 39 | return i + (size_t)[super class_func0]; // expected-warning {{class method '+class_func0' not found (return type defaults to 'id')}} |
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| 40 | } |
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| 41 | + (int) class_func2 |
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| 42 | { |
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| 43 | int i = [(id <Func>)self class_func0]; |
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| 44 | i += [(id <Func>)super class_func0]; // expected-error {{cannot cast 'super' (it isn't an expression)}} |
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| 45 | i += [(Class <Func>)self class_func0]; // |
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| 46 | return i + [(Class <Func>)super class_func0]; // // expected-error {{cannot cast 'super' (it isn't an expression)}} |
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| 47 | } |
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| 48 | + (int) class_func3 |
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| 49 | { |
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| 50 | return [(Object <Func> *)super class_func0]; // expected-error {{cannot cast 'super' (it isn't an expression)}} |
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| 51 | } |
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| 52 | + (int) class_func4 |
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| 53 | { |
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| 54 | return [(Derived <Func> *)super class_func0]; // expected-error {{cannot cast 'super' (it isn't an expression)}} |
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| 55 | } |
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| 56 | + (int) class_func5 |
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| 57 | { |
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| 58 | int i = (size_t)[Derived class_func0]; // expected-warning {{class method '+class_func0' not found (return type defaults to 'id')}} |
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| 59 | return i + (size_t)[Object class_func0]; // expected-warning {{class method '+class_func0' not found (return type defaults to 'id')}} |
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| 60 | } |
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| 61 | + (int) class_func6 |
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| 62 | { |
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| 63 | return (size_t)[objc_getClass("Object") class_func1]; // GCC warns about this |
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| 64 | } |
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| 65 | + (int) class_func7 |
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| 66 | { |
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| 67 | return [objc_getClass("Derived") class_func1]; |
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| 68 | } |
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| 69 | - (int) instance_func1 |
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| 70 | { |
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| 71 | int i = (size_t)[self instance_func0]; // expected-warning {{instance method '-instance_func0' not found (return type defaults to 'id'); did you mean}} |
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| 72 | return i + (size_t)[super instance_func0]; // expected-warning {{'Object' may not respond to 'instance_func0'}} |
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| 73 | } |
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| 74 | - (int) instance_func2 |
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| 75 | { |
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| 76 | return [(id <Func>)super instance_func0]; // expected-error {{cannot cast 'super' (it isn't an expression)}} |
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| 77 | } |
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| 78 | - (int) instance_func3 |
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| 79 | { |
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| 80 | return [(Object <Func> *)super instance_func0]; // expected-error {{cannot cast 'super' (it isn't an expression)}} |
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| 81 | } |
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| 82 | - (int) instance_func4 |
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| 83 | { |
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| 84 | return [(Derived <Func> *)super instance_func0]; // expected-error {{cannot cast 'super' (it isn't an expression)}} |
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| 85 | } |
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| 86 | - (int) instance_func5 |
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| 87 | { |
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| 88 | int i = (size_t)[Derived instance_func1]; // expected-warning {{class method '+instance_func1' not found (return type defaults to 'id')}} |
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| 89 | return i + (size_t)[Object instance_func1]; // expected-warning {{class method '+instance_func1' not found (return type defaults to 'id')}} |
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| 90 | } |
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| 91 | - (int) instance_func6 |
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| 92 | { |
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| 93 | return (size_t)[objc_getClass("Object") class_func1]; |
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| 94 | } |
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| 95 | - (int) instance_func7 |
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| 96 | { |
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| 97 | return [objc_getClass("Derived") class_func1]; |
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| 98 | } |
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| 99 | - (id) initWithInt: (int) i |
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| 100 | { |
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| 101 | // Don't warn about parentheses here. |
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| 102 | if (self = [super initWithInt: i]) { |
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| 103 | [self instance_func1]; |
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| 104 | } |
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| 105 | return self; |
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| 106 | } |
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| 107 | @end |
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| 108 | |
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| 109 | @class C; |
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| 110 | @interface A // expected-note {{receiver is instance of class declared here}} |
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| 111 | - (instancetype)initWithCoder:(A *)coder; |
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| 112 | @end |
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| 113 | |
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| 114 | @interface B : A |
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| 115 | @end |
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| 116 | |
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| 117 | @implementation B |
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| 118 | - (instancetype)initWithCoder:(C *)coder { |
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| 119 | if (0 != (self = [super initWithCode:code])) // expected-error {{use of undeclared identifier 'code'}} expected-warning {{instance method '-initWithCode:' not found}} |
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| 120 | return (void *)0; |
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| 121 | return (void *)0; |
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| 122 | } |
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| 123 | @end |
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| 124 | |
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