| /* Test for handling of protocol hierarchies. */ |
| /* Author: Ziemowit Laski <zlaski@apple.com>. */ |
| /* { dg-do compile } */ |
| /* { dg-additional-options "-Wno-objc-root-class" } */ |
| |
| /* One-line substitute for objc/objc.h */ |
| typedef struct objc_object { struct objc_class *class_pointer; } *id; |
| |
| @protocol NSObj |
| - (void)someMethod; |
| @end |
| |
| @protocol NSCopying |
| - (void)someOtherMethod; |
| @end |
| |
| @interface NSObject <NSObj> |
| - (void)someMethod; |
| @end |
| |
| @implementation NSObject |
| - (void)someMethod {} |
| @end |
| |
| @protocol Booing <NSObj> |
| - (void)boo; |
| @end |
| |
| @interface Boo: NSObject <Booing> // protocol has only one parent |
| @end |
| |
| @implementation Boo |
| - (void)boo {} |
| @end |
| |
| @protocol Fooing <NSCopying, NSObj> // Fooing has two parent protocols |
| - (void)foo; |
| @end |
| |
| @interface Foo: NSObject <Fooing> |
| @end |
| |
| @implementation Foo |
| - (void)foo {} |
| - (void)someOtherMethod {} |
| @end |
| |
| int foo(void) { |
| id<Booing, Fooing> stupidVar; |
| [stupidVar boo]; |
| [stupidVar foo]; |
| [stupidVar anotherMsg]; /* { dg-warning ".\\-anotherMsg. not found in protocol" } */ |
| /* { dg-warning "no .\\-anotherMsg. method found" "" { target *-*-* } .-1 } */ |
| return 0; |
| } |
| |
| /* { dg-warning "messages without a matching method signature will be assumed to return .id. and accept .\.\.\.. as arguments" "" { target *-*-* } 0 } */ |