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/arc-unbridged-cast.m | 123 +++++++++++++++++++++++++++++++ 1 file changed, 123 insertions(+) create mode 100644 clang/test/SemaObjC/arc-unbridged-cast.m (limited to 'clang/test/SemaObjC/arc-unbridged-cast.m') diff --git a/clang/test/SemaObjC/arc-unbridged-cast.m b/clang/test/SemaObjC/arc-unbridged-cast.m new file mode 100644 index 0000000..7d5a6b0 --- /dev/null +++ b/clang/test/SemaObjC/arc-unbridged-cast.m @@ -0,0 +1,123 @@ +// // RUN: %clang_cc1 -triple x86_64-apple-darwin11 -fsyntax-only -fobjc-arc -verify %s + +typedef const struct __CFString * CFStringRef; +typedef const void * CFTypeRef; +CFTypeRef CFBridgingRetain(id X); +id CFBridgingRelease(CFTypeRef); + + +@interface Object +@property CFStringRef property; +- (CFStringRef) implicitProperty; +- (CFStringRef) newString; +- (CFStringRef) makeString; +@end + +extern Object *object; + +// rdar://9744349 +id test0(void) { + id p1 = (id)[object property]; + id p2 = (__bridge_transfer id)[object property]; + id p3 = (__bridge id)[object property]; + return (id) object.property; +} + +// rdar://10140692 +CFStringRef unauditedString(void); +CFStringRef plusOneString(void) __attribute__((cf_returns_retained)); + +#pragma clang arc_cf_code_audited begin +CFStringRef auditedString(void); +CFStringRef auditedCreateString(void); +#pragma clang arc_cf_code_audited end + +void test1(int cond) { + id x; + x = (id) auditedString(); + x = (id) (cond ? auditedString() : (void*) 0); + x = (id) (cond ? (void*) 0 : auditedString()); + x = (id) (cond ? (CFStringRef) @"help" : auditedString()); + + x = (id) unauditedString(); // expected-error {{requires a bridged cast}} expected-note {{use __bridge to}} expected-note {{use CFBridgingRelease call to}} + x = (id) (cond ? unauditedString() : (void*) 0); // expected-error {{requires a bridged cast}} expected-note {{use __bridge to}} expected-note {{use CFBridgingRelease call to}} + x = (id) (cond ? (void*) 0 : unauditedString()); // expected-error {{requires a bridged cast}} expected-note {{use __bridge to}} expected-note {{use CFBridgingRelease call to}} + x = (id) (cond ? (CFStringRef) @"help" : unauditedString()); // expected-error {{requires a bridged cast}} expected-note {{use __bridge to}} expected-note {{use CFBridgingRelease call to}} + + x = (id) auditedCreateString(); // expected-error {{requires a bridged cast}} expected-note {{use __bridge to}} expected-note {{use CFBridgingRelease call to}} + x = (id) (cond ? auditedCreateString() : (void*) 0); // expected-error {{requires a bridged cast}} expected-note {{use __bridge to}} expected-note {{use CFBridgingRelease call to}} + x = (id) (cond ? (void*) 0 : auditedCreateString()); // expected-error {{requires a bridged cast}} expected-note {{use __bridge to}} expected-note {{use CFBridgingRelease call to}} + x = (id) (cond ? (CFStringRef) @"help" : auditedCreateString()); // expected-error {{requires a bridged cast}} expected-note {{use __bridge to}} expected-note {{use CFBridgingRelease call to}} + + x = (id) [object property]; + x = (id) (cond ? [object property] : (void*) 0); + x = (id) (cond ? (void*) 0 : [object property]); + x = (id) (cond ? (CFStringRef) @"help" : [object property]); + + x = (id) object.property; + x = (id) (cond ? object.property : (void*) 0); + x = (id) (cond ? (void*) 0 : object.property); + x = (id) (cond ? (CFStringRef) @"help" : object.property); + + x = (id) object.implicitProperty; + x = (id) (cond ? object.implicitProperty : (void*) 0); + x = (id) (cond ? (void*) 0 : object.implicitProperty); + x = (id) (cond ? (CFStringRef) @"help" : object.implicitProperty); + + x = (id) [object makeString]; + x = (id) (cond ? [object makeString] : (void*) 0); + x = (id) (cond ? (void*) 0 : [object makeString]); + x = (id) (cond ? (CFStringRef) @"help" : [object makeString]); + + x = (id) [object newString]; + x = (id) (cond ? [object newString] : (void*) 0); + x = (id) (cond ? (void*) 0 : [object newString]); + x = (id) (cond ? (CFStringRef) @"help" : [object newString]); // a bit questionable +} + +// rdar://problem/10246264 +@interface CFTaker +- (void) takeOrdinary: (CFStringRef) arg; +- (void) takeVariadic: (int) n, ...; +- (void) takeConsumed: (CFStringRef __attribute__((cf_consumed))) arg; +@end +void testCFTaker(CFTaker *taker, id string) { + [taker takeOrdinary: (CFStringRef) string]; + [taker takeVariadic: 1, (CFStringRef) string]; + [taker takeConsumed: (CFStringRef) string]; // expected-error {{cast of Objective-C pointer type 'id' to C pointer type 'CFStringRef'}} expected-note {{use __bridge to}} expected-note {{use CFBridgingRetain call to}} +} + +void takeCFOrdinaryUnaudited(CFStringRef arg); +void takeCFVariadicUnaudited(int n, ...); +void takeCFConsumedUnaudited(CFStringRef __attribute__((cf_consumed)) arg); +#pragma clang arc_cf_code_audited begin +void takeCFOrdinaryAudited(CFStringRef arg); +void takeCFVariadicAudited(int n, ...); +void takeCFConsumedAudited(CFStringRef __attribute__((cf_consumed)) arg); +#pragma clang arc_cf_code_audited end + +void testTakerFunctions(id string) { + takeCFOrdinaryUnaudited((CFStringRef) string); // expected-error {{cast of Objective-C pointer type 'id' to C pointer type 'CFStringRef'}} expected-note {{use __bridge to}} expected-note {{use CFBridgingRetain call to}} + takeCFVariadicUnaudited(1, (CFStringRef) string); // expected-error {{cast of Objective-C pointer type 'id' to C pointer type 'CFStringRef'}} expected-note {{use __bridge to}} expected-note {{use CFBridgingRetain call to}} + takeCFConsumedUnaudited((CFStringRef) string); // expected-error {{cast of Objective-C pointer type 'id' to C pointer type 'CFStringRef'}} expected-note {{use __bridge to}} expected-note {{use CFBridgingRetain call to}} + + void (*taker)(CFStringRef) = 0; + taker((CFStringRef) string); // expected-error {{cast of Objective-C pointer type 'id' to C pointer type 'CFStringRef'}} expected-note {{use __bridge to}} expected-note {{use CFBridgingRetain call to}} + + takeCFOrdinaryAudited((CFStringRef) string); + takeCFVariadicAudited(1, (CFStringRef) string); + takeCFConsumedAudited((CFStringRef) string); // expected-error {{cast of Objective-C pointer type 'id' to C pointer type 'CFStringRef'}} expected-note {{use __bridge to}} expected-note {{use CFBridgingRetain call to}} +} + +void testTakerFunctions_parens(id string) { + takeCFOrdinaryUnaudited(((CFStringRef) string)); // expected-error {{cast of Objective-C pointer type 'id' to C pointer type 'CFStringRef'}} expected-note {{use __bridge to}} expected-note {{use CFBridgingRetain call to}} + takeCFVariadicUnaudited(1, ((CFStringRef) string)); // expected-error {{cast of Objective-C pointer type 'id' to C pointer type 'CFStringRef'}} expected-note {{use __bridge to}} expected-note {{use CFBridgingRetain call to}} + takeCFConsumedUnaudited(((CFStringRef) string)); // expected-error {{cast of Objective-C pointer type 'id' to C pointer type 'CFStringRef'}} expected-note {{use __bridge to}} expected-note {{use CFBridgingRetain call to}} + + void (*taker)(CFStringRef) = 0; + taker(((CFStringRef) string)); // expected-error {{cast of Objective-C pointer type 'id' to C pointer type 'CFStringRef'}} expected-note {{use __bridge to}} expected-note {{use CFBridgingRetain call to}} + + takeCFOrdinaryAudited(((CFStringRef) string)); + takeCFVariadicAudited(1, ((CFStringRef) string)); + takeCFConsumedAudited(((CFStringRef) string)); // expected-error {{cast of Objective-C pointer type 'id' to C pointer type 'CFStringRef'}} expected-note {{use __bridge to}} expected-note {{use CFBridgingRetain call to}} +} -- cgit v1.2.3