macro Get bse, [arg]
{
  common
    mov rax, [bse]

  forward
    mov rax, [rax + arg]
}
    

mov rax, [System]
mov rax, [rax + System.SubSystem2]
mov rax, [rax + SubSystem2.Group1]
mov rax, [rax + Group1.MethodCall1]

call [rax]

struc System
{
  SubSystem1 qword
  SubSystem2 qword
  SybSystem3 qword
}

struc SubSystem1
{
  MethodCall1
}

struc SubSystem2
{
  Group1
}

struc Group1
{
  MethodCall1
}
    

struc System
{
  .SubSystem1 dq ?
  .SubSystem2 dq ?
  .SybSystem3 dq ?
}     

  macro struct name
  {
    virtual at 0
    name name
    end virtual
  }

  struc System
  {
    .SubSystem1 dq ?
    .SubSystem2 dq ?
    .SubSystem3 dq ?
  }
  struct System