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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [gcc/] [testsuite/] [objc.dg/] [proto-lossage-1.m] - Blame information for rev 704

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Line No. Rev Author Line
1 704 jeremybenn
/* Test for situations in which protocol conformance information
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   may be lost, leading to superfluous warnings.  */
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/* Author: Ziemowit Laski <zlaski@apple.com>.  */
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/* { dg-do compile } */
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/* One-line substitute for objc/objc.h */
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typedef struct objc_object { struct objc_class *class_pointer; } *id;
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@protocol NSObject
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- (int)someValue;
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@end
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@interface NSObject <NSObject>
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@end
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@protocol PlateMethods
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- (void)someMethod;
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@end
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@interface Foo {
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  NSObject <PlateMethods> *plate;
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  id <PlateMethods> plate1;
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  NSObject *plate2;
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}
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- (id <PlateMethods>) getPlate;
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- (id <NSObject>) getPlate1;
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- (int) getValue;
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@end
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@implementation Foo
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- (id <PlateMethods>) getPlate {
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  return plate;  /* { dg-bogus "does not implement" } */
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}
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- (id <NSObject>) getPlate1 {
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  return (id <NSObject>)plate1; /* { dg-bogus "does not conform" } */
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}
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- (int) getValue {
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  int i = [plate1 someValue];   /* { dg-warning ".\\-someValue. not found in protocol\\(s\\)" } */
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  int j = [(id <NSObject>)plate1 someValue];  /* { dg-bogus "not found in protocol" } */
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  int k = [(id)plate1 someValue]; /* { dg-bogus "not found in protocol" } */
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  return i + j + k;
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}
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@end

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