70 lines
1.9 KiB
C
70 lines
1.9 KiB
C
typedef __SIZE_TYPE__ size_t;
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template<typename _Iterator, typename _Container> class __normal_iterator {
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public:
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const _Iterator& base() const;
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};
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template<typename _BI1, typename _BI2> inline
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void copy_backward(_BI1 __first, _BI1 __last, _BI2 __result) {
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while (__first != __last) *--__result = *--__last;
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}
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template<typename _Tp> struct _Vector_base {
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struct _Vector_impl { _Tp* _M_finish; };
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_Vector_impl _M_impl;
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};
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template<typename _Tp > class vector : protected _Vector_base<_Tp> {
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typedef vector<_Tp> vector_type;
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typedef _Tp * pointer;
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typedef _Tp & reference;
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typedef __normal_iterator<pointer, vector_type> iterator;
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typedef size_t size_type;
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public:
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iterator end();
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void resize(size_type __new_size) { insert(end(), __new_size); }
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reference operator[](size_type __n);
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void insert(iterator __position, size_type __n)
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{
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pointer __old_finish(this->_M_impl._M_finish);
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copy_backward(__position.base(), __old_finish - __n, __old_finish);
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}
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};
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struct A {
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virtual ~A ();
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void incRef ();
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void decRef ();
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};
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struct C : public A {
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static C *alloc ();
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};
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template <class T> struct B {
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B () : ptr (T::alloc ()) { }
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B (T *a_ptr) : ptr (a_ptr) { }
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~B () { decRef (); }
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B& operator= (const B<T>& a) { if (a.get () != this->get ()) { decRef ();
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incRef (); } }
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template<class U> operator B<U> () const { return B<U> (ptr); }
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T* operator-> () const { }
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T* get () const { return ptr; }
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void decRef () const { if (ptr != 0) ptr->decRef (); }
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void incRef () const { if (ptr != 0) ptr->incRef (); }
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T *ptr;
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};
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struct D : public C {
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template <class T> inline void foo (const B<T> & x) { d.resize (1); d[0] = x;
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}
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vector<B <C> > d;
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};
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struct E : public C {
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static E *alloc ();
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};
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struct F : public D {
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static F *alloc ();
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};
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void foo (vector<B<D> > & x) {
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for (int i = 0; i < 2; ++i)
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{
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B<F> l;
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B<E> m;
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l->foo (m);
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}
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}
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