view gcc/testsuite/objc.dg/method-9.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 04ced10e8804
children
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/* Check if finding multiple signatures for a method is handled gracefully
   when method lookup succeeds (see also method-7.m).  */
/* Contributed by Ziemowit Laski <zlaski@apple.com>  */
/* { dg-do compile } */
/* { dg-options "-Wstrict-selector-match" } */


#include "../objc-obj-c++-shared/TestsuiteObject.h"

@protocol MyObject
- (id)initWithData:(TestsuiteObject *)data; /* { dg-line MyObject_initWithData } */
@end

@protocol SomeOther
- (id)initWithData:(int)data; /* { dg-line SomeOther_initWithData } */
@end

@protocol MyCoding
- (id)initWithData:(id<MyObject, MyCoding>)data; /* { dg-line MyCoding_initWithData } */
@end

@interface NTGridDataObject: TestsuiteObject <MyCoding>
{
    TestsuiteObject<MyCoding> *_data;
}
+ (NTGridDataObject*)dataObject:(id<MyObject, MyCoding>)data;
@end

@implementation NTGridDataObject
- (id)initWithData:(id<MyObject, MyCoding>)data {
  return data;
}
+ (NTGridDataObject*)dataObject:(id<MyObject, MyCoding>)data
{
  NTGridDataObject *result = [[NTGridDataObject alloc] initWithData:data]; /* { dg-line initWithData_message } */
    /* { dg-warning "multiple methods named .\\-initWithData:. found" "" { target *-*-* } .-1 } */
    /* { dg-message "using .\\-\\(id\\)initWithData:\\(TestsuiteObject \\*\\)data." "" { target *-*-* } MyObject_initWithData } */
    /* { dg-message "also found .\\-\\(id\\)initWithData:\\(id <MyObject, MyCoding>\\)data." "" { target *-*-* } MyCoding_initWithData } */
    /* { dg-message "also found .\\-\\(id\\)initWithData:\\(int\\)data." "" { target *-*-* } SomeOther_initWithData } */

    /* The following warning is a consequence of picking the "wrong" method signature.  */
    /* { dg-warning "passing argument 1 of .initWithData:. from distinct Objective\\-C type" "" { target *-*-* } initWithData_message } */
    return result;
}
@end