Mercurial > hg > truffle
annotate graal/com.oracle.max.cri/src/com/oracle/max/cri/ci/CiValue.java @ 4266:e2499e6d8aa7
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author | Lukas Stadler <lukas.stadler@jku.at> |
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date | Wed, 11 Jan 2012 16:31:46 +0100 |
parents | aaac4894175c |
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1 /* |
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2 * Copyright (c) 2009, 2012, 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 |
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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 |
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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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 * |
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15 * You should have received a copy of the GNU General Public License version |
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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 |
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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.max.cri.ci; |
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24 |
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25 import java.io.*; |
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26 |
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27 /** |
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28 * Abstract base class for values manipulated by the compiler. All values have a {@linkplain CiKind kind} and are immutable. |
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29 */ |
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30 public abstract class CiValue implements Serializable { |
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31 private static final long serialVersionUID = -6909397188697766469L; |
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32 |
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33 @SuppressWarnings("serial") |
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34 public static CiValue IllegalValue = new CiValue(CiKind.Illegal) { |
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35 @Override |
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36 public String toString() { |
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37 return "-"; |
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38 } |
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39 }; |
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40 |
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41 /** |
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42 * The kind of this value. |
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43 */ |
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44 public final CiKind kind; |
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45 |
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46 /** |
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47 * Initializes a new value of the specified kind. |
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48 * @param kind the kind |
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49 */ |
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50 protected CiValue(CiKind kind) { |
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51 this.kind = kind; |
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52 } |
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53 |
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54 /** |
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55 * String representation of the kind, which should be the end of all {@link #toString()} implementation of subclasses. |
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56 */ |
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57 protected final String kindSuffix() { |
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58 return "|" + kind.typeChar; |
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59 } |
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60 } |