X-Git-Url: https://scm.cri.ensmp.fr/git/Faustine.git/blobdiff_plain/1059e1cc0c2ecfa237406949aa26155b6a5b9154..66f23d4fabf89ad09adbd4dfc15ac6b5b2b7da83:/interpreter/preprocessor/faust-0.9.47mr3/compiler/headers/smartpointer.hh

diff --git a/interpreter/preprocessor/faust-0.9.47mr3/compiler/headers/smartpointer.hh b/interpreter/preprocessor/faust-0.9.47mr3/compiler/headers/smartpointer.hh
new file mode 100644
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+++ b/interpreter/preprocessor/faust-0.9.47mr3/compiler/headers/smartpointer.hh
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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