| 1 | // RUN: %clang_cc1 -fsyntax-only -fobjc-arc -verify %s |
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| 2 | |
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| 3 | #if __has_feature(arc_cf_code_audited) |
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| 4 | char _global[-1]; // expected-error {{declared as an array with a negative size}} |
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| 5 | #endif |
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| 6 | |
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| 7 | typedef const void *CFTypeRef; |
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| 8 | CFTypeRef CFBridgingRetain(id X); |
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| 9 | id CFBridgingRelease(CFTypeRef); |
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| 10 | typedef const struct __CFString *CFStringRef; |
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| 11 | |
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| 12 | extern CFStringRef CFMakeString0(void); |
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| 13 | #pragma clang arc_cf_code_audited begin |
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| 14 | extern CFStringRef CFCreateString0(void); |
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| 15 | #pragma clang arc_cf_code_audited end |
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| 16 | void test0() { |
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| 17 | id x; |
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| 18 | x = (id) CFMakeString0(); // expected-error {{requires a bridged cast}} expected-note {{__bridge to convert directly}} expected-note {{CFBridgingRelease call to transfer}} |
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| 19 | x = (id) CFCreateString0(); // expected-error {{requires a bridged cast}} expected-note {{CFBridgingRelease call to transfer}} |
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| 20 | } |
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| 21 | |
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| 22 | extern CFStringRef CFMakeString1(void) __attribute__((cf_returns_not_retained)); |
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| 23 | extern CFStringRef CFCreateString1(void) __attribute__((cf_returns_retained)); |
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| 24 | void test1() { |
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| 25 | id x; |
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| 26 | x = (id) CFMakeString1(); |
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| 27 | x = (id) CFCreateString1(); // expected-error {{requires a bridged cast}} expected-note {{CFBridgingRelease call to transfer}} |
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| 28 | } |
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| 29 | |
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| 30 | #define CF_AUDIT_BEGIN _Pragma("clang arc_cf_code_audited begin") |
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| 31 | #define CF_AUDIT_END _Pragma("clang arc_cf_code_audited end") |
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| 32 | #define CF_RETURNS_RETAINED __attribute__((cf_returns_retained)) |
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| 33 | #define CF_RETURNS_NOT_RETAINED __attribute__((cf_returns_not_retained)) |
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| 34 | |
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| 35 | CF_AUDIT_BEGIN |
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| 36 | extern CFStringRef CFMakeString2(void); |
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| 37 | extern CFStringRef CFCreateString2(void) CF_RETURNS_NOT_RETAINED; |
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| 38 | extern CFStringRef CFMakeString3(void) CF_RETURNS_RETAINED; |
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| 39 | extern CFStringRef CFCreateString3(void); |
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| 40 | CF_AUDIT_END |
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| 41 | void test2() { |
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| 42 | id x; |
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| 43 | x = (id) CFMakeString2(); |
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| 44 | x = (id) CFCreateString2(); |
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| 45 | x = (id) CFMakeString3(); // expected-error {{requires a bridged cast}} expected-note {{CFBridgingRelease call to transfer}} |
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| 46 | x = (id) CFCreateString3(); // expected-error {{requires a bridged cast}} expected-note {{CFBridgingRelease call to transfer}} |
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| 47 | } |
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| 48 | |
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| 49 | // rdar://14569171 |
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| 50 | @interface NSString @end |
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| 51 | typedef signed int SInt32; |
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| 52 | #pragma clang arc_cf_code_audited begin |
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| 53 | extern SInt32 CFStringGetIntValue(CFStringRef str); // expected-note {{passing argument to parameter 'str' here}} |
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| 54 | #pragma clang arc_cf_code_audited end |
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| 55 | |
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| 56 | void test3() { |
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| 57 | NSString* answer = @"42"; |
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| 58 | int ans = CFStringGetIntValue(answer); // expected-error {{incompatible pointer types passing retainable parameter of type 'NSString *__strong'to a CF function expecting 'CFStringRef'}} |
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| 59 | } |
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| 60 | |
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