clang/test/SemaObjC/attr-swift_bridge.m

   1 // RUN: %clang_cc1 -verify -fsyntax-only %s
   2
   3 // expected-error@+1 {{'__swift_bridge__' attribute takes one argument}}
   4 __attribute__((__swift_bridge__))
   5 @interface I
   6 @end
   7
   8 // expected-error@+1 {{expected string literal as argument of '__swift_bridge__' attribute}}
   9 __attribute__((__swift_bridge__(1)))
  10 @interface J
  11 @end
  12
  13 // expected-error@+1 {{'__swift_bridge__' attribute takes one argument}}
  14 __attribute__((__swift_bridge__("K", 1)))
  15 @interface K
  16 @end
  17
  18 @interface L
  19 // expected-error@+1 {{'__swift_bridge__' attribute only applies to tag types, typedefs, Objective-C interfaces, and Objective-C protocols}}
  20 - (void)method __attribute__((__swift_bridge__("method")));
  21 @end
  22
  23 __attribute__((__swift_bridge__("Array")))
  24 @interface NSArray
  25 @end
  26
  27 __attribute__((__swift_bridge__("ProtocolP")))
  28 @protocol P
  29 @end
  30
  31 typedef NSArray *NSArrayAlias __attribute__((__swift_bridge__("ArrayAlias")));
  32
  33 struct __attribute__((__swift_bridge__("StructT"))) T {};
  34
  35 // Duplicate attributes with the same arguments are fine.
  36 struct __attribute__((swift_bridge("foo"), swift_bridge("foo"))) S;
  37 // Duplicate attributes with different arguments are not.
  38 struct __attribute__((swift_bridge("foo"), swift_bridge("bar"))) S; // expected-warning {{attribute 'swift_bridge' is already applied with different arguments}}