ivar-in-class-extension.m
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// RUN: %clang_cc1 -fsyntax-only -verify -Wno-objc-root-class %s
@interface SomeClass @end
int fn1(SomeClass *obj) {
obj->privateIvar = 1; // expected-error {{'SomeClass' does not have a member named 'privateIvar}}
return obj->publicIvar; // expected-error {{'SomeClass' does not have a member named 'publicIvar'}}
}
@interface SomeClass () {
// @private by default
int privateIvar;
@public
int publicIvar;
}
@end
int fn2(SomeClass *obj) {
obj->publicIvar = 1;
return obj->publicIvar // ok
+ obj->privateIvar; // expected-error {{instance variable 'privateIvar' is private}}
}
@implementation SomeClass
int fn3(SomeClass *obj) {
obj->privateIvar = 2;
return obj->publicIvar // ok
+ obj->privateIvar; // ok
}
@end
@interface SomeClass (Category)
{
int categoryIvar; // expected-error {{instance variables may not be placed in categories}}
}
@end
@interface SomeClass (Category1)
{
}
@end