ciNullObject.cpp

/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
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 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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#include "precompiled.hpp"
#include "ci/ciNullObject.hpp"
#include "ci/ciUtilities.hpp"

// ciNullObject
//
// This class represents a null reference.  It can be used
// as a class loader or as the null constant.

// ------------------------------------------------------------------
// ciNullObject::print_impl
//
// Implementation of the print method.
void ciNullObject::print_impl(outputStream* st) {
  ciObject::print_impl(st);
  st->print(" unique");
}

// ------------------------------------------------------------------
// ciNullObject::make
//
// Get the distinguished instance of this class.
ciNullObject* ciNullObject::make() {
  return CURRENT_ENV->_null_object_instance->as_null_object();
}