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/* Test warnings for shadowing instance variables.  */
/* Author: Nicola Pero <nicola@brainstorm.co.uk>.  */
/* { dg-do compile } */
#include <objc/objc.h>
 
@interface MySuperClass
{
@private
  int private;
 
@protected
  int protected;
 
@public
  int public;
}
- (void) test;
@end
 
@implementation MySuperClass
- (void) test
{
  /* FIXME: I wonder if the warnings shouldn't be better generated
     when the variable is declared, rather than used!  */
  int private = 12;
  int protected = 12;
  int public = 12;
  int a;
 
  a = private;    /* { dg-warning "hides instance variable" } */
  a = protected;  /* { dg-warning "hides instance variable" } */
  a = public;     /* { dg-warning "hides instance variable" } */
}
@end
 
 
@interface MyClass : MySuperClass 
@end
 
@implementation MyClass
- (void) test
{
  int private = 12;
  int protected = 12;
  int public = 12;
  int a;
 
  /* The private variable can be shadowed without warnings, because
   * it's invisible, and not accessible, to the subclass!  */
  a = private;   /* Ok  */
  a = protected; /* { dg-warning "hides instance variable" } */
  a = public;    /* { dg-warning "hides instance variable" } */
}
@end