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// RUN: %clang_cc1 -fsyntax-only -fblocks -fcxx-exceptions -fobjc-exceptions -verify -Wfunction-effects %s
#pragma clang diagnostic ignored "-Wperf-constraint-implies-noexcept"
// Objective-C
@interface OCClass
- (void)method;
@end
void nb1(OCClass *oc) [[clang::nonblocking]] {
[oc method]; // expected-warning {{function with 'nonblocking' attribute must not access ObjC methods or properties}}
}
void nb2(OCClass *oc) {
[oc method]; // expected-note {{function cannot be inferred 'nonblocking' because it accesses an ObjC method or property}}
}
void nb3(OCClass *oc) [[clang::nonblocking]] {
nb2(oc); // expected-warning {{function with 'nonblocking' attribute must not call non-'nonblocking' function 'nb2'}}
}
void nb4() [[clang::nonblocking]] {
@try {
@throw @"foo"; // expected-warning {{function with 'nonblocking' attribute must not throw or catch exceptions}}
}
@catch (...) { // expected-warning {{function with 'nonblocking' attribute must not throw or catch exceptions}}
}
@finally { // expected-warning {{function with 'nonblocking' attribute must not throw or catch exceptions}}
}
}
@class Lock;
extern Lock *someLock;
void nb5() [[clang::nonblocking]] {
@autoreleasepool { // expected-warning {{function with 'nonblocking' attribute must not access ObjC methods or properties}}
}
@synchronized(someLock) { // expected-warning {{function with 'nonblocking' attribute must not access ObjC methods or properties}}
}
}
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