1// RUN: %clang_cc1 -verify -fsyntax-only -fblocks %s 2// RUN: %clang_cc1 -xobjective-c++ -verify -fsyntax-only -fblocks %s 3 4#define SA(...) __attribute__((swift_async(__VA_ARGS__))) 5 6SA(none) int a; // expected-warning{{'swift_async' attribute only applies to functions and Objective-C methods}} 7 8SA(none) void b(); 9 10SA(not_swift_private, 0) void c(); // expected-error{{'swift_async' attribute parameter 2 is out of bounds}} 11SA(swift_private, 1) void d(); // expected-error{{'swift_async' attribute parameter 2 is out of bounds}} 12SA(swift_private, 1) void e(int); // expected-error{{'swift_async' completion handler parameter must have block type returning 'void', type here is 'int'}} 13SA(not_swift_private, 1) void f(int (^)()); // expected-error{{'swift_async' completion handler parameter must have block type returning 'void', type here is 'int (^)()'}} 14SA(swift_private, 1) void g(void (^)()); 15 16SA(none, 1) void h(); // expected-error{{'swift_async' attribute takes one argument}} 17SA() void i(); // expected-error{{'swift_async' attribute takes at least 1 argument}} 18SA(not_swift_private) void j(); // expected-error{{'swift_async' attribute requires exactly 2 arguments}} 19SA(43) void k(); // expected-error{{'swift_async' attribute requires parameter 1 to be an identifier}} 20SA(not_a_thing, 0) void l(); // expected-error{{first argument to 'swift_async' must be either 'none', 'swift_private', or 'not_swift_private'}} 21 22@interface TestOnMethods 23-(void)m1:(int (^)())callback SA(swift_private, 1); // expected-error{{'swift_async' completion handler parameter must have block type returning 'void', type here is 'int (^)()'}} 24-(void)m2:(void (^)())callback SA(swift_private, 0); // expected-error{{'swift_async' attribute parameter 2 is out of bounds}} 25-(void)m3:(void (^)())callback SA(swift_private, 2); // expected-error{{'swift_async' attribute parameter 2 is out of bounds}} 26-(void)m4 SA(none); 27-(void)m5:(int)p handler:(void (^)(int))callback SA(not_swift_private, 2); 28@end 29 30#ifdef __cplusplus 31struct S { 32 SA(none) void mf1(); 33 SA(swift_private, 2) void mf2(void (^)()); 34 SA(swift_private, 1) void mf3(void (^)()); // expected-error{{'swift_async' attribute is invalid for the implicit this argument}} 35 SA(swift_private, 0) void mf4(void (^)()); // expected-error{{'swift_async' attribute parameter 2 is out of bounds}} 36 SA(not_swift_private, 2) void mf5(int (^)()); // expected-error{{'swift_async' completion handler parameter must have block type returning 'void', type here is 'int (^)()'}} 37}; 38#endif 39