Quelle ciNullObject.cpp

Sprache: C

/*
* Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code 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
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*
*/

#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();
}

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