Mercurial > hg > graal-jvmci-8
annotate graal/com.oracle.graal.api.meta/src/com/oracle/graal/api/meta/Value.java @ 18319:56cc1a799a60
(re)converted Value to an interface
author | Doug Simon <doug.simon@oracle.com> |
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date | Fri, 07 Nov 2014 22:00:11 +0100 |
parents | ef357effbda7 |
children | bf7db79a6e45 |
rev | line source |
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1 /* |
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2 * Copyright (c) 2009, 2014, 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.graal.api.meta; |
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24 |
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25 /** |
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26 * Interface for values manipulated by the compiler. All values have a {@linkplain Kind kind} and |
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27 * are immutable. |
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28 */ |
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29 public interface Value extends KindProvider { |
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30 |
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31 @SuppressWarnings("serial") AllocatableValue ILLEGAL = new AllocatableValue(LIRKind.Illegal) { |
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32 |
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33 @Override |
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34 public String toString() { |
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35 return "-"; |
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36 } |
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37 }; |
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38 |
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39 LIRKind getLIRKind(); |
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40 |
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41 /** |
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42 * Returns the platform specific kind used to store this value. |
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43 */ |
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44 PlatformKind getPlatformKind(); |
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45 |
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46 /** |
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47 * Checks if this value is identical to {@code other}. |
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48 * |
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49 * Warning: Use with caution! Usually equivalence {@link #equals(Object)} is sufficient and |
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50 * should be used. |
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51 */ |
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52 @ExcludeFromIdentityComparisonVerification |
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53 default boolean identityEquals(Value other) { |
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54 return this == other; |
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55 } |
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56 } |