xref: /llvm-project/clang/test/SemaObjC/method-bad-param.m (revision 0f1c1be1968076d6f96f8a7bcc4a15cf195ecd97)
1// RUN: %clang_cc1 -fsyntax-only -verify -Wno-objc-root-class %s
2
3@interface foo
4@end
5
6@implementation foo
7@end
8
9@interface bar
10-(void) my_method:(foo) my_param; // expected-error {{interface type 'foo' cannot be passed by value; did you forget * in 'foo'}}
11- (foo)cccccc:(long)ddddd;  // expected-error {{interface type 'foo' cannot be returned by value; did you forget * in 'foo'}}
12@end
13
14@implementation bar
15-(void) my_method:(foo) my_param  // expected-error {{interface type 'foo' cannot be passed by value; did you forget * in 'foo'}}
16{
17}
18- (foo)cccccc:(long)ddddd // expected-error {{interface type 'foo' cannot be returned by value; did you forget * in 'foo'}}
19{
20}
21@end
22
23// Ensure that this function is properly marked as a failure.
24void func_with_bad_call(bar* b, foo* f) {
25  [b cccccc:5]; // expected-warning {{instance method '-cccccc:' not found}}
26                // expected-note@-17 {{receiver is instance of class declared here}}
27}
28
29void somefunc(foo x) {} // expected-error {{interface type 'foo' cannot be passed by value; did you forget * in 'foo'}}
30foo somefunc2(void) {} // expected-error {{interface type 'foo' cannot be returned by value; did you forget * in 'foo'}}
31
32void f0(foo *a0) {
33  extern void g0(int x, ...);
34  g0(1, *(foo*)a0);  // expected-error {{cannot pass object with interface type 'foo' by value through variadic function}}
35}
36
37enum bogus; // expected-note {{forward declaration of 'enum bogus'}}
38
39@interface fee  {
40}
41- (void)crashMe:(enum bogus)p;
42@end
43
44@implementation fee
45- (void)crashMe:(enum bogus)p { // expected-error {{variable has incomplete type 'enum bogus'}}
46}
47@end
48
49@interface arrayfun
50- (int[6])arrayRet; // expected-error {{function cannot return array type 'int[6]'}}
51- (int(void))funcRet; // expected-error {{function cannot return function type 'int (void)'}}
52@end
53
54@interface qux
55- (void) my_method: (int)arg; // expected-note {{method 'my_method:' declared here}}
56@end
57
58// FIXME: The diagnostic and recovery here could probably be improved.
59@implementation qux // expected-warning {{method definition for 'my_method:' not found}}
60- (void) my_method: (int) { // expected-error {{expected identifier}}
61}
62@end
63