Smart pointer enhancements, initial commit

[SVN r12439]

include/boost/assert.hpp

@@ -0,0 +1,52 @@
+#ifndef BOOST_ASSERT_HPP_INCLUDED
+#define BOOST_ASSERT_HPP_INCLUDED
+
+#if _MSC_VER >= 1020
+#pragma once
+#endif
+
+//
+//  boost/assert.hpp
+//
+//  Copyright (c) 2001, 2002 Peter Dimov and Multi Media Ltd.
+//
+//  Permission to copy, use, modify, sell and distribute this software
+//  is granted provided this copyright notice appears in all copies.
+//  This software is provided "as is" without express or implied
+//  warranty, and with no claim as to its suitability for any purpose.
+//
+
+//
+//  When BOOST_DEBUG is not defined, it defaults to 0 (off)
+//  for backward compatibility with programs that do not
+//  define a boost_error handler
+//
+//  After a reasonable transition period, the default can be
+//  changed to something more appropriate.
+//
+
+#ifndef BOOST_DEBUG
+#define BOOST_DEBUG 0
+#endif
+
+bool boost_error(char const * expr, char const * func, char const * file, long line);
+
+#if BOOST_DEBUG
+
+#include <boost/current_function.hpp>
+#include <assert.h>
+
+#ifndef BOOST_ASSERT
+
+# define BOOST_ASSERT(expr) ((expr) || !boost_error(#expr, BOOST_CURRENT_FUNCTION, __FILE__, __LINE__) || (assert(expr), true))
+
+#endif // #ifndef BOOST_ASSERT
+
+#else // #if BOOST_DEBUG
+
+#undef BOOST_ASSERT
+#define BOOST_ASSERT(expr) ((void)0)
+
+#endif // #ifdef BOOST_DEBUG
+
+#endif // #ifndef BOOST_ASSERT_HPP_INCLUDED

include/boost/checked_delete.hpp

@@ -0,0 +1,73 @@
+#ifndef BOOST_CHECKED_DELETE_HPP_INCLUDED
+#define BOOST_CHECKED_DELETE_HPP_INCLUDED
+
+#if _MSC_VER >= 1020
+#pragma once
+#endif
+
+//
+//  boost/checked_delete.hpp
+//
+//  Copyright (c) 1999, 2000, 2001, 2002 boost.org
+//
+//  Permission to copy, use, modify, sell and distribute this software
+//  is granted provided this copyright notice appears in all copies.
+//  This software is provided "as is" without express or implied
+//  warranty, and with no claim as to its suitability for any purpose.
+//
+
+namespace boost
+{
+
+// verify that types are complete for increased safety
+
+template< typename T > inline void checked_delete(T * x)
+{
+    typedef char type_must_be_complete[sizeof(T)];
+    delete x;
+}
+
+template< typename T > inline void checked_array_delete(T * x)
+{
+    typedef char type_must_be_complete[sizeof(T)];
+    delete [] x;
+}
+
+template<class T> struct checked_deleter
+{
+    typedef void result_type;
+    typedef T * argument_type;
+
+    void operator()(T * x)
+    {
+        checked_delete(x);
+    }
+};
+
+// checked_deleter<void> is needed by shared_ptr<void>::reset(0)
+
+template<> struct checked_deleter<void>
+{
+    typedef void result_type;
+    typedef void * argument_type;
+
+    void operator()(void * x)
+    {
+        ::operator delete(x); // avoid g++ warning
+    }
+};
+
+template<class T> struct checked_array_deleter
+{
+    typedef void result_type;
+    typedef T * argument_type;
+
+    void operator()(T * x)
+    {
+        checked_array_delete(x);
+    }
+};
+
+} // namespace boost
+
+#endif  // #ifndef BOOST_CHECKED_DELETE_HPP_INCLUDED

include/boost/current_function.hpp

@@ -0,0 +1,56 @@
+#ifndef BOOST_CURRENT_FUNCTION_HPP_INCLUDED
+#define BOOST_CURRENT_FUNCTION_HPP_INCLUDED
+
+#if _MSC_VER >= 1020
+#pragma once
+#endif
+
+//
+//  boost/current_function.hpp - BOOST_CURRENT_FUNCTION
+//
+//  Copyright (c) 2002 Peter Dimov and Multi Media Ltd.
+//
+//  Permission to copy, use, modify, sell and distribute this software
+//  is granted provided this copyright notice appears in all copies.
+//  This software is provided "as is" without express or implied
+//  warranty, and with no claim as to its suitability for any purpose.
+//
+
+namespace boost
+{
+
+namespace detail
+{
+
+void current_function_helper()
+{
+
+#if defined(__GNUC__)
+
+# define BOOST_CURRENT_FUNCTION __PRETTY_FUNCTION__
+
+#elif defined(__FUNCSIG__)
+
+# define BOOST_CURRENT_FUNCTION __FUNCSIG__
+
+#elif defined(__BORLANDC__)
+
+# define BOOST_CURRENT_FUNCTION __FUNC__
+
+#elif defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901)
+
+# define BOOST_CURRENT_FUNCTION __func__
+
+#else
+
+# define BOOST_CURRENT_FUNCTION "(unknown)"
+
+#endif
+
+}
+
+} // namespace detail
+
+} // namespace boost
+
+#endif // #ifndef BOOST_CURRENT_FUNCTION_HPP_INCLUDED