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1// RUN: %clang_cc1 -verify -fsyntax-only -fblocks %s2// RUN: %clang_cc1 -xobjective-c++ -verify -fsyntax-only -fblocks %s3 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(void);9 10SA(not_swift_private, 0) void c(void); // expected-error{{'swift_async' attribute parameter 2 is out of bounds}}11SA(swift_private, 1) void d(void); // 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 (^)(void)); // expected-error-re{{'swift_async' completion handler parameter must have block type returning 'void', type here is 'int (^)({{(void)?}})'}}14SA(swift_private, 1) void g(void (^)(void));15 16SA(none, 1) void h(void); // expected-error{{'swift_async' attribute takes one argument}}17SA() void i(void); // expected-error{{'swift_async' attribute takes at least 1 argument}}18SA(not_swift_private) void j(void); // expected-error{{'swift_async' attribute requires exactly 2 arguments}}19SA(43) void k(void); // expected-error{{'swift_async' attribute requires parameter 1 to be an identifier}}20SA(not_a_thing, 0) void l(void); // expected-error{{first argument to 'swift_async' must be either 'none', 'swift_private', or 'not_swift_private'}}21 22@interface TestOnMethods23-(void)m1:(int (^)(void))callback SA(swift_private, 1); // expected-error-re{{'swift_async' completion handler parameter must have block type returning 'void', type here is 'int (^)({{(void)?}})'}}24-(void)m2:(void (^)(void))callback SA(swift_private, 0); // expected-error{{'swift_async' attribute parameter 2 is out of bounds}}25-(void)m3:(void (^)(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@end29 30#ifdef __cplusplus31struct 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#endif39