Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/objc.dg/method-conflict-2.m @ 158:494b0b89df80 default tip
...
author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
---|---|
date | Mon, 25 May 2020 18:13:55 +0900 |
parents | 04ced10e8804 |
children |
line wrap: on
line source
/* Contributed by Nicola Pero <nicola.pero@meta-innovation.com>, December 2010. */ /* { dg-do compile } */ #include <objc/objc.h> /* Test that you can not declare two methods, in the same protocol, with the same name and method signature, but one as @required and once as @optional. */ /* First, @required conflicting with @optional. */ @protocol MyProtocol @optional + (void) method1: (id)x; /* { dg-message "previous declaration" } */ - (id) method2: (long)x; /* { dg-message "previous declaration" } */ @required + (void) method1: (id)x; /* { dg-error "declared .@optional. and .@required. at the same time" } */ - (id) method2: (long)x; /* { dg-error "declared .@optional. and .@required. at the same time" } */ @end /* Second, @optional conflicting with @required. */ @protocol MyProtocol2 @required + (void) method3: (Class)x; /* { dg-message "previous declaration" } */ - (id *) method4: (long)x; /* { dg-message "previous declaration" } */ @optional + (void) method3: (Class)x; /* { dg-error "declared .@optional. and .@required. at the same time" } */ - (id *) method4: (long)x; /* { dg-error "declared .@optional. and .@required. at the same time" } */ @end