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Diffstat (limited to 'libcult/cult/mm/evptr.hxx')
| -rw-r--r-- | libcult/cult/mm/evptr.hxx | 221 |
1 files changed, 0 insertions, 221 deletions
diff --git a/libcult/cult/mm/evptr.hxx b/libcult/cult/mm/evptr.hxx deleted file mode 100644 index ed0bd93..0000000 --- a/libcult/cult/mm/evptr.hxx +++ /dev/null @@ -1,221 +0,0 @@ -// file : cult/mm/evptr.hxx -// author : Boris Kolpackov <boris@kolpackov.net> -// copyright : Copyright (c) 2005-2010 Boris Kolpackov -// license : GNU GPL v2 + exceptions; see accompanying LICENSE file - -#ifndef CULT_MM_EVPTR_HXX -#define CULT_MM_EVPTR_HXX - -#include <cult/types/fundamental.hxx> - -#include <cult/mm/exception.hxx> -#include <cult/mm/bits/evptr.hxx> - -#include <typeinfo> //@@ tmp - -namespace Cult -{ - namespace MM - { - // Leaks resource should dec_ref fail. - // - template <typename X> - class Evptr: public Bits::EvptrBase<X> - { - typedef Bits::EvptrBase<X> Base; - - public: - Evptr (X* p = 0) - : Base (p, 0, locate (p, *counted)) - { - } - - Evptr (Evptr const& ep) - : Base (0, ep.cp_ ? ep.cp_ : ep.p_, ep.c_) - { - } - - template <typename Y> - Evptr (Bits::Transfer<Y> const& ct) - : Base (ct.p_, ct.cp_, ct.c_, false) - { - Bits::Transfer<Y>& t (const_cast<Bits::Transfer<Y>&> (ct)); - - t.c_ = 0; - t.p_ = 0; - t.cp_ = 0; - } - - template <typename Y> - Evptr (Evptr<Y> const& ep) - : Base (0, ep.cp_ ? ep.cp_ : ep.p_, ep.c_) - { - //@@ - //printf ("X : %s\n", typeid (X).name ()); - //printf ("Y : %s\n", typeid (Y).name ()); - } - - template <typename Y> - Evptr (Evptr<Y const> const& ep) - : Base (0, ep.cp_ ? ep.cp_ : ep.p_, ep.c_) - { - //@@ - //printf ("X : %s\n", typeid (X).name ()); - //printf ("Y : %s const\n", typeid (Y).name ()); - } - - public: - // After failure leaves object in destructable state. - // - Evptr& - operator= (Evptr const& ep) - { - this->assign (ep.cp_ ? ep.cp_ : ep.p_, ep.c_); - - return *this; - } - - template <typename Y> - Evptr& - operator= (Evptr<Y> const& ep) - { - this->assign (ep.cp_ ? ep.cp_ : ep.p_, ep.c_); - - return *this; - } - - template <typename Y> - Evptr& - operator= (Bits::Transfer<Y> const& ct) - { - Bits::Transfer<Y>& t (const_cast<Bits::Transfer<Y>&> (ct)); - - transfer (t.p_, t.cp_, t.c_); - - t.c_ = 0; - t.p_ = 0; - t.cp_ = 0; - - return *this; - } - - protected: - using Base::get_; - - public: - X* - operator-> () const - { - if (X* p = get_ ()) return p; - - throw NullPointer (); - } - - X& - operator* () const - { - if (X* p = get_ ()) return *p; - - throw NullPointer (); - } - - Bits::Transfer<X> - operator~ () - { - Counter* c (c_); - X* p (p_); - X const* cp (cp_); - - c_ = 0; - p_ = 0; - cp_ = 0; - - return Bits::Transfer<X> (p, cp, c); - } - - public: - using Base::p_; - using Base::cp_; - using Base::c_; - - // Object pointed to by this becomes null. - // - template<typename Y> - Evptr<Y> - s_cast () - { - if (p_) - { - Counter* c (c_); - Y* p (static_cast<Y*> (p_)); - - - c_ = 0; - p_ = 0; - cp_ = 0; - - return Evptr<Y> (p, 0, c); - } - else - { - Counter* c (c_); - Y const* cp (static_cast<Y const*> (cp_)); - - c_ = 0; - p_ = 0; - cp_ = 0; - - return Evptr<Y> (0, cp, c); - } - } - - // Object pointed to by this becomes null if dynamic_cast succeeds. - // - template<typename Y> - Evptr<Y> - d_cast () - { - if (p_) - { - if (Y* p = dynamic_cast<Y*> (p_)) - { - Counter* c (c_); - - c_ = 0; - p_ = 0; - cp_ = 0; - - return Evptr<Y> (p, 0, c); - } - } - else if (Y const* cp = dynamic_cast<Y const*> (cp_)) - { - Counter* c (c_); - - c_ = 0; - p_ = 0; - cp_ = 0; - - return Evptr<Y> (0, cp, c); - } - - return Evptr<Y> (0); - } - - - private: - Evptr (X* p, X const* cp, Counter* c) // for *_cast - : Base (p, cp, c, false) - { - } - - private: - template <typename> - friend class Evptr; - }; - } - - using MM::Evptr; -} - -#endif // CULT_MM_EVPTR_HXX |