1// RUN: %clang_cc1 -fsyntax-only -verify %s
2
3#include <stddef.h>
4
5typedef struct objc_object *id;
6id 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@class C;
110@interface A // expected-note {{receiver is instance of class declared here}}
111- (instancetype)initWithCoder:(A *)coder;
112@end
113
114@interface B : A
115@end
116
117@implementation B
118- (instancetype)initWithCoder:(C *)coder {
119  if (0 != (self = [super initWithCode:code])) // expected-error {{use of undeclared identifier 'code'}} expected-warning {{instance method '-initWithCode:' not found}}
120    return (void *)0;
121  return (void *)0;
122}
123@end
124