From 222e2a7620e6520ffaf4fc4e69d79c18da31542e Mon Sep 17 00:00:00 2001 From: "Zancanaro; Carlo" Date: Mon, 24 Sep 2012 09:58:17 +1000 Subject: Add the clang library to the repo (with some of my changes, too). --- clang/test/SemaObjC/illegal-nonarc-bridged-cast.m | 44 +++++++++++++++++++++++ 1 file changed, 44 insertions(+) create mode 100644 clang/test/SemaObjC/illegal-nonarc-bridged-cast.m (limited to 'clang/test/SemaObjC/illegal-nonarc-bridged-cast.m') diff --git a/clang/test/SemaObjC/illegal-nonarc-bridged-cast.m b/clang/test/SemaObjC/illegal-nonarc-bridged-cast.m new file mode 100644 index 0000000..a5bb01f --- /dev/null +++ b/clang/test/SemaObjC/illegal-nonarc-bridged-cast.m @@ -0,0 +1,44 @@ +// RUN: %clang_cc1 -triple x86_64-apple-darwin11 -fsyntax-only -fblocks -verify %s +// rdar://10597832 + +typedef const void *CFTypeRef; +typedef const struct __CFString *CFStringRef; + +@interface NSString +@end + +CFTypeRef CFCreateSomething(); +CFStringRef CFCreateString(); +CFTypeRef CFGetSomething(); +CFStringRef CFGetString(); + +id CreateSomething(); +NSString *CreateNSString(); + +void from_cf() { + id obj1 = (__bridge_transfer id)CFCreateSomething(); // expected-warning {{'__bridge_transfer' casts have no effect when not using ARC}} + id obj2 = (__bridge_transfer NSString*)CFCreateString(); // expected-warning {{'__bridge_transfer' casts have no effect when not using ARC}} + (__bridge int*)CFCreateSomething(); // expected-warning {{'__bridge' casts have no effect when not using ARC}} \ + // expected-warning {{expression result unused}} + id obj3 = (__bridge id)CFGetSomething(); // expected-warning {{'__bridge' casts have no effect when not using ARC}} + id obj4 = (__bridge NSString*)CFGetString(); // expected-warning {{'__bridge' casts have no effect when not using ARC}} +} + +void to_cf(id obj) { + CFTypeRef cf1 = (__bridge_retained CFTypeRef)CreateSomething(); // expected-warning {{'__bridge_retained' casts have no effect when not using ARC}} + CFStringRef cf2 = (__bridge_retained CFStringRef)CreateNSString(); // expected-warning {{'__bridge_retained' casts have no effect when not using ARC}} + CFTypeRef cf3 = (__bridge CFTypeRef)CreateSomething(); // expected-warning {{'__bridge' casts have no effect when not using ARC}} + CFStringRef cf4 = (__bridge CFStringRef)CreateNSString(); // expected-warning {{'__bridge' casts have no effect when not using ARC}} +} + +void fixits() { + id obj1 = (id)CFCreateSomething(); + CFTypeRef cf1 = (CFTypeRef)CreateSomething(); +} + +#pragma clang diagnostic ignored "-Warc-bridge-casts-disallowed-in-nonarc" + +void to_cf_ignored(id obj) { + CFTypeRef cf1 = (__bridge_retained CFTypeRef)CreateSomething(); // no-warning + CFTypeRef cf3 = (__bridge CFTypeRef)CreateSomething(); // no-warning +} -- cgit v1.2.3