001/*
002 * Copyright (c) 2009, 2012, Oracle and/or its affiliates. All rights reserved.
003 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
004 *
005 * This code is free software; you can redistribute it and/or modify it
006 * under the terms of the GNU General Public License version 2 only, as
007 * published by the Free Software Foundation.
008 *
009 * This code is distributed in the hope that it will be useful, but WITHOUT
010 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
011 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
012 * version 2 for more details (a copy is included in the LICENSE file that
013 * accompanied this code).
014 *
015 * You should have received a copy of the GNU General Public License version
016 * 2 along with this work; if not, write to the Free Software Foundation,
017 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
018 *
019 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
020 * or visit www.oracle.com if you need additional information or have any
021 * questions.
022 */
023package com.oracle.graal.nodes.virtual;
024
025import com.oracle.graal.graph.Node.ValueNumberable;
026import com.oracle.graal.graph.*;
027import com.oracle.graal.nodeinfo.*;
028import com.oracle.graal.nodes.*;
029
030@NodeInfo
031public abstract class EscapeObjectState extends VirtualState implements ValueNumberable {
032    public static final NodeClass<EscapeObjectState> TYPE = NodeClass.create(EscapeObjectState.class);
033
034    @Input protected VirtualObjectNode object;
035
036    public VirtualObjectNode object() {
037        return object;
038    }
039
040    public EscapeObjectState(NodeClass<? extends EscapeObjectState> c, VirtualObjectNode object) {
041        super(c);
042        this.object = object;
043    }
044
045    @Override
046    public abstract EscapeObjectState duplicateWithVirtualState();
047
048    @Override
049    public boolean isPartOfThisState(VirtualState state) {
050        return this == state;
051    }
052
053    @Override
054    public void applyToVirtual(VirtualClosure closure) {
055        closure.apply(this);
056    }
057}