src/llvm/tools/clang/test/CodeGenObjC/protocols.m

   1 // RUN: %clang_cc1 -emit-llvm-only %s
   2
   3 void p(const char*, ...);
   4
   5 @interface Root
   6 +(int) maxValue;
   7 -(int) conformsTo: (id) x;
   8 @end
   9
  10 @protocol P0;
  11
  12 @protocol P1
  13 +(void) classMethodReq0;
  14 -(void) methodReq0;
  15 @optional
  16 +(void) classMethodOpt1;
  17 -(void) methodOpt1;
  18 @required
  19 +(void) classMethodReq2;
  20 -(void) methodReq2;
  21 @end
  22
  23 @protocol P2
  24 //@property(readwrite) int x;
  25 @end
  26
  27 @protocol P3<P1, P2>
  28 -(id <P1>) print0;
  29 -(void) print1;
  30 @end
  31
  32 void foo(const id a) {
  33   void *p = @protocol(P3);
  34 }
  35
  36 int main() {
  37   Protocol *P0 = @protocol(P0);
  38   Protocol *P1 = @protocol(P1);
  39   Protocol *P2 = @protocol(P2);
  40   Protocol *P3 = @protocol(P3);
  41
  42 #define Pbool(X) p(#X ": %s\n", X ? "yes" : "no");
  43   Pbool([P0 conformsTo: P1]);
  44   Pbool([P1 conformsTo: P0]);
  45   Pbool([P1 conformsTo: P2]);
  46   Pbool([P2 conformsTo: P1]);
  47   Pbool([P3 conformsTo: P1]);
  48   Pbool([P1 conformsTo: P3]);
  49
  50   return 0;
  51 }
  52
  53 // rdar://problem/7992749
  54 typedef Root<P1> P1Object;
  55 int test10() {
  56   return [P1Object maxValue];
  57 }