gdb/testsuite/gdb.cp/casts.cc

   1 struct A
   2 {
   3   int a;
   4   A (int aa): a (aa) {}
   5 };
   6
   7 struct B: public A
   8 {
   9   int b;
  10   B (int aa, int bb): A (aa), b(bb) {}
  11 };
  12
  13
  14 struct Alpha
  15 {
  16   virtual void x() { }
  17 };
  18
  19 struct Gamma
  20 {
  21 };
  22
  23 struct Derived : public Alpha
  24 {
  25 };
  26
  27 struct VirtuallyDerived : public virtual Alpha
  28 {
  29 };
  30
  31 struct DoublyDerived : public VirtuallyDerived,
  32                        public virtual Alpha,
  33                        public Gamma
  34 {
  35 };
  36
  37 struct Left
  38 {
  39   int left;
  40 };
  41
  42 struct Right
  43 {
  44   int right;
  45 };
  46
  47 struct LeftRight : public Left, public Right
  48 {
  49 };
  50
  51 int
  52 main (int argc, char **argv)
  53 {
  54   A *a = new B(42, 1729);
  55   B *b = (B *) a;
  56   A &ar = *b;
  57   B &br = (B&)ar;
  58
  59   Derived derived;
  60   DoublyDerived doublyderived;
  61
  62   Alpha *ad = &derived;
  63   Alpha *add = &doublyderived;
  64
  65   LeftRight gd;
  66   gd.left = 23;
  67   gd.right = 27;
  68   unsigned long long gd_value = (unsigned long long) &gd;
  69   unsigned long long r_value = (unsigned long long) (Right *) &gd;
  70
  71   return 0;  /* breakpoint spot: casts.exp: 1 */
  72 }