lldb/test/API/lang/cpp/dynamic-value/pass-to-base.cpp

   1 #include <stdio.h>
   2 #include <memory>
   3
   4 class Extra
   5 {
   6 public:
   7   Extra (int in_one, int in_two) : m_extra_one(in_one), m_extra_two(in_two) {}
   8
   9 private:
  10   int m_extra_one;
  11   int m_extra_two;
  12 };
  13
  14 class A
  15 {
  16 public:
  17   A(int value) : m_a_value (value) {}
  18   A(int value, A* client_A) : m_a_value (value), m_client_A (client_A) {}
  19
  20   virtual ~A() {}
  21
  22   virtual void
  23   doSomething (A &anotherA)
  24   {
  25     printf ("In A %p doing something with %d.\n", this, m_a_value);
  26     int tmp_value = anotherA.Value();
  27     printf ("Also have another A at %p: %d.\n", &anotherA, tmp_value); // Break here in doSomething.
  28   }
  29
  30   int
  31   Value()
  32   {
  33     return m_a_value;
  34   }
  35
  36 private:
  37   int m_a_value;
  38   std::auto_ptr<A> m_client_A;
  39 };
  40
  41 class B : public Extra, public virtual A
  42 {
  43 public:
  44   B (int b_value, int a_value) : Extra(b_value, a_value), A(a_value), m_b_value(b_value) {}
  45   B (int b_value, int a_value, A *client_A) : Extra(b_value, a_value), A(a_value, client_A), m_b_value(b_value) {}
  46
  47   virtual ~B () {}
  48
  49 private:
  50   int m_b_value;
  51 };
  52
  53 static A* my_global_A_ptr;
  54
  55 int
  56 main (int argc, char **argv)
  57 {
  58   my_global_A_ptr = new B (100, 200);
  59   B myB (10, 20, my_global_A_ptr);
  60   B *second_fake_A_ptr = new B (150, 250);
  61   B otherB (300, 400, second_fake_A_ptr);
  62
  63   myB.doSomething(otherB); // Break here and get real addresses of myB and otherB.
  64
  65   A reallyA (500);
  66   myB.doSomething (reallyA);  // Break here and get real address of reallyA.
  67
  68   return 0;
  69 }