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annotate graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/BeginNode.java @ 18998:ec0733b5a90a

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Allow final modifier on node subclasses and start adding the modifier to leaf classes.
author Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
date Wed, 28 Jan 2015 02:34:14 +0100
parents 8b4ef818169c
children e7b6e7f19fd0
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18994
8b4ef818169c Make AbstractBeginNode an abstract class and create concrete subclass BeginNode.
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1 /*
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2 * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
8b4ef818169c Make AbstractBeginNode an abstract class and create concrete subclass BeginNode.
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
8b4ef818169c Make AbstractBeginNode an abstract class and create concrete subclass BeginNode.
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
8b4ef818169c Make AbstractBeginNode an abstract class and create concrete subclass BeginNode.
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
8b4ef818169c Make AbstractBeginNode an abstract class and create concrete subclass BeginNode.
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
8b4ef818169c Make AbstractBeginNode an abstract class and create concrete subclass BeginNode.
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15 * You should have received a copy of the GNU General Public License version
8b4ef818169c Make AbstractBeginNode an abstract class and create concrete subclass BeginNode.
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
8b4ef818169c Make AbstractBeginNode an abstract class and create concrete subclass BeginNode.
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 */
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23 package com.oracle.graal.nodes;
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24
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25 import com.oracle.graal.compiler.common.type.*;
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26 import com.oracle.graal.nodeinfo.*;
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27
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28 @NodeInfo
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29 public final class BeginNode extends AbstractBeginNode {
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30
8b4ef818169c Make AbstractBeginNode an abstract class and create concrete subclass BeginNode.
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31 public BeginNode() {
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32 super(StampFactory.forVoid());
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33 }
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34
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35 public BeginNode(Stamp stamp) {
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36 super(stamp);
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37 }
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38
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39 public static AbstractBeginNode begin(FixedNode with) {
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40 if (with instanceof AbstractBeginNode) {
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41 return (AbstractBeginNode) with;
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42 }
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43 BeginNode begin = with.graph().add(new BeginNode());
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44 begin.setNext(with);
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45 return begin;
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46 }
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47 }