test/Rewriter/rewrite-block-literal.c

   1 // RUN: %clang_cc1 -rewrite-objc %s -fblocks -o -
   2
   3 void I( void (^)(void));
   4 void (^noop)(void);
   5
   6 void nothing();
   7 int printf(const char*, ...);
   8
   9 typedef void (^T) (void);
  10
  11 void takeblock(T);
  12 int takeintint(int (^C)(int)) { return C(4); }
  13
  14 T somefunction() {
  15   if (^{ })
  16     nothing();
  17
  18   noop = ^{};
  19
  20   noop = ^{printf("\nClosure\n"); };
  21
  22   I(^{ });
  23
  24   return ^{printf("\nClosure\n"); };
  25 }
  26 void test2() {
  27   int x = 4;
  28
  29   takeblock(^{ printf("%d\n", x); });
  30
  31   while (1) {
  32     takeblock(^{
  33         while(1) break;  // ok
  34       });
  35     break;
  36   }
  37 }
  38
  39
  40 void (^test3())(void) {
  41   return ^{};
  42 }
  43
  44 void test4() {
  45   void (^noop)(void) = ^{};
  46   void (*noop2)() = 0;
  47 }
  48
  49 void myfunc(int (^block)(int)) {}
  50
  51 void myfunc3(const int *x);
  52
  53 void test5() {
  54   int a;
  55
  56   myfunc(^(int abcd) {
  57       myfunc3(&a);
  58       return 1;
  59     });
  60 }
  61
  62 void *X;
  63
  64 void test_arguments() {
  65   int y;
  66   int (^c)(char);
  67   (1 ? c : 0)('x');
  68   (1 ? 0 : c)('x');
  69
  70   (1 ? c : c)('x');
  71 }
  72
  73 static int global_x = 10;
  74 void (^global_block)(void) = ^{ printf("global x is %d\n", global_x); };
  75
  76 typedef void (^void_block_t)(void);
  77
  78 static const void_block_t myBlock = ^{ };
  79
  80 static const void_block_t myBlock2 = ^ void(void) { };