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/************************************************************************
************************************************************************
FAUST compiler
Copyright (C) 2003-2004 GRAME, Centre National de Creation Musicale
---------------------------------------------------------------------
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
************************************************************************
************************************************************************/
#ifndef _SMARTPOINTER_H
#define _SMARTPOINTER_H
//#include <iostream>
#include <cstdlib>
#include <cstdio>
template<class T>
class P {
private:
T* p;
public:
P() : p(0) { }
P(T* rawptr) : p(rawptr) { }
P(const P& ptr) : p((T*)ptr) { }
template<class T2>
P(const P<T2>& ptr) : p((T*)ptr) { }
~P() { }
operator T*() const { return p; }
T& operator*() const {
if (p == 0) {
//throw std::runtime_error("Null dereference in P<?>::operator*() const ");
fprintf(stderr, "Null dereference in P<?>::operator*() const \n ");
exit(1);
}
return *p;
}
T* operator->() const {
if (p == 0) {
fprintf(stderr, "Null dereference in P<?>::operator->() const \n ");
//throw std::runtime_error("Null dereference in P<?>::operator->() const ");
//std::cerr << "Null dereference in P<?>::operator->() const " << std::endl;
exit(1);
}
return p;
}
T* pointee() const { return p;}
P& operator=(T* p_) { p = p_; return *this;}
P& operator=(const P<T>& p_) { return operator=((T *) p_); }
template<class T2> P& cast(T2* p_) { return operator=(dynamic_cast<T*>(p_)); }
template<class T2> P& cast(const P<T2>& p_) { return operator=(dynamic_cast<T*>(p_)); }
};
#endif
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