tree-sitter-objc/examples/SemaObjC/gc-attributes.m

27 lines
777 B
Objective-C

// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -fobjc-gc -fsyntax-only -verify %s
@interface A
@end
void f0(__strong A**); // expected-note{{passing argument to parameter here}}
void test_f0() {
A *a;
static __weak A *a2;
f0(&a);
f0(&a2); // expected-warning{{passing 'A *__weak *' to parameter of type 'A *__strong *' discards qualifiers}}
}
void f1(__weak A**); // expected-note{{passing argument to parameter here}}
void test_f1() {
A *a;
__strong A *a2;
f1(&a);
f1(&a2); // expected-warning{{passing 'A *__strong *' to parameter of type 'A *__weak *' discards qualifiers}}
}
// These qualifiers should silently expand to nothing in GC mode.
void test_unsafe_unretained(__unsafe_unretained id *x) {}
void test_autoreleasing(__autoreleasing id *x) {}