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ciNullObject.cpp 
49 строк · 1.7 Кб
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/*
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 * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 *
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 */
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#include "precompiled.hpp"
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#include "ci/ciNullObject.hpp"
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#include "ci/ciUtilities.hpp"
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// ciNullObject
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//
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// This class represents a null reference.  It can be used
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// as a class loader or as the null constant.
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// ------------------------------------------------------------------
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// ciNullObject::print_impl
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//
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// Implementation of the print method.
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void ciNullObject::print_impl(outputStream* st) {
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  ciObject::print_impl(st);
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  st->print(" unique");
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}
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// ------------------------------------------------------------------
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// ciNullObject::make
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//
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// Get the distinguished instance of this class.
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ciNullObject* ciNullObject::make() {
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  return CURRENT_ENV->_null_object_instance->as_null_object();
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}
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