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/* Test looking up fields in superclasses in the context of write-barriers
(where component references get rewritten). */
/* Contributed by Ziemowit Laski <zlaski@apple.com> */
/* { dg-do compile } */
/* { dg-options "-fobjc-gc" } */
/* { dg-prune-output "cc1obj: warning: '-fobjc-gc' is ignored for '-fgnu-runtime'" } */
#include "../objc-obj-c++-shared/TestsuiteObject.h"
#include <objc/objc.h>
@class MyWindow;
@interface MyDocument : TestsuiteObject {
MyWindow *_window;
}
@end
@interface MyFileDocument : MyDocument {
struct {
unsigned int autoClose:1;
unsigned int openForUI:1;
unsigned int isClosing:1;
unsigned int needsDiskCheck:1;
unsigned int isWritable:1;
unsigned int representsFileOnDisk:1;
unsigned int RESERVED:26;
} _fdFlags;
}
@end
@interface MyTextFileDocument : MyFileDocument {
TestsuiteObject *_textStorage;
struct __tfdFlags {
unsigned int immutable:1;
unsigned int lineEnding:2;
unsigned int isClosing:1;
unsigned int settingsAreSet:1;
unsigned int usesTabs:1;
unsigned int isUTF8WithBOM:1;
unsigned int wrapsLines:1;
unsigned int usingDefaultLanguage:1;
unsigned int RESERVED:23;
} _tfdFlags;
int _tabWidth;
int _indentWidth;
}
@end
@interface MyRTFFileDocument : MyTextFileDocument
- (BOOL)readFromFile:(const char *)fileName ofType:(const char *)type;
@end
@implementation MyRTFFileDocument
- (BOOL)readFromFile:(const char *)fileName ofType:(const char *)type {
if (_textStorage && fileName) {
[_textStorage free];
return YES;
} else if (type) {
_textStorage = [MyRTFFileDocument new];
return NO;
}
return (fileName && type);
}
@end
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