pointer.hh

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// Copyright (C) 2013 by Antonio El Khoury, CNRS.
//
// This file is part of the hpp-util.
//
// This software is provided "as is" without warranty of any kind,
// either expressed or implied, including but not limited to the
// implied warranties of fitness for a particular purpose.
//
// See the COPYING file for more information.

#ifndef HPP_UTIL_POINTER_HH
# define HPP_UTIL_POINTER_HH

# include <boost/smart_ptr.hpp>


# define HPP_POINTER_DEFS(t)         \
  typedef boost::weak_ptr <t> t##WkPtr_t;        \
  typedef boost::weak_ptr <const t> t##ConstWkPtr_t;     \
  struct e_n_d__w_i_t_h__s_e_m_i_c_o_l_o_n

# define HPP_PREDEF_CLASS(t)        \
  class t;                  \
  HPP_POINTER_DEFS(t);          \
  struct e_n_d__w_i_t_h__s_e_m_i_c_o_l_o_n

# define HPP_STATIC_PTR_CAST(t, x) boost::static_pointer_cast < t > (x)
# define HPP_DYNAMIC_PTR_CAST(t, x) boost::dynamic_pointer_cast < t > (x)
# ifndef NDEBUG
#  define HPP_STATIC_CAST_REF_CHECK(t, x)\
  try {\
    dynamic_cast < t& > (x);\
  } catch (const std::exception& exc) {\
      assert ("Cast in #t failed" && 0);\
  }
# else
#  define HPP_STATIC_CAST_REF_CHECK(t, x)
# endif // defined NDEBUG
#endif