view gcc/testsuite/objc.dg/method-2.m @ 158:494b0b89df80 default tip

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author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Mon, 25 May 2020 18:13:55 +0900
parents 1830386684a0
children
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/* Test for lookup of class (factory) methods.  */
/* Author: Ziemowit Laski <zlaski@apple.com>.  */
/* { dg-do compile } */

@interface MyBase 
- (void) rootInstanceMethod;
@end

@interface MyIntermediate: MyBase
@end

@interface MyDerived: MyIntermediate
- (void) instanceMethod;
+ (void) classMethod;
@end

@implementation MyDerived
- (void) instanceMethod {
}

+ (void) classMethod {                    /* If a class method is not found, the root  */
    [self rootInstanceMethod];            /* class is searched for an instance method  */
    [MyIntermediate rootInstanceMethod];  /* with the same name.                       */

    [self instanceMethod];   /* { dg-warning ".MyDerived. may not respond to .\\+instanceMethod." } */
    /* { dg-warning "messages without a matching method signature will be assumed to return .id. and accept .\.\.\.. as arguments" "" { target *-*-* } 0 } */
    [MyDerived instanceMethod];   /* { dg-warning ".MyDerived. may not respond to .\\+instanceMethod." } */
}
@end