Mercurial > hg > graal-compiler
annotate graal/com.oracle.truffle.api/src/com/oracle/truffle/api/nodes/LoopNode.java @ 19765:f682b9e6ca07
Truffle: expose non-atomic replace API to Truffle DSL to avoid multiple RootNode lookups for multiple replaces in one atomic block.
author | Christian Humer <christian.humer@gmail.com> |
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date | Tue, 10 Mar 2015 19:38:07 +0100 |
parents | e688e42b41e3 |
children | 2727a2be2391 |
rev | line source |
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Truffle: new experimental LoopNode API.
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1 /* |
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2 * Copyright (c) 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. Oracle designates this |
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8 * particular file as subject to the "Classpath" exception as provided |
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9 * by Oracle in the LICENSE file that accompanied this code. |
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10 * |
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11 * This code is distributed in the hope that it will be useful, but WITHOUT |
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12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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14 * version 2 for more details (a copy is included in the LICENSE file that |
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15 * accompanied this code). |
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16 * |
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17 * You should have received a copy of the GNU General Public License version |
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18 * 2 along with this work; if not, write to the Free Software Foundation, |
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19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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20 * |
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21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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22 * or visit www.oracle.com if you need additional information or have any |
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23 * questions. |
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24 */ |
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25 package com.oracle.truffle.api.nodes; |
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26 |
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27 import com.oracle.truffle.api.frame.*; |
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28 |
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29 /** |
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30 * Experimental API: may change significantly without notice. |
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31 */ |
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32 public abstract class LoopNode extends Node { |
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33 |
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34 @Child protected RepeatingNode repeatingNode; |
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35 |
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36 public LoopNode(RepeatingNode repeatingNode) { |
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37 this.repeatingNode = repeatingNode; |
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38 } |
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39 |
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40 public abstract void executeLoop(VirtualFrame frame); |
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41 |
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42 protected final boolean executeRepeatingNode(VirtualFrame frame) { |
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43 return getRepeatingNode().executeRepeating(frame); |
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44 } |
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45 |
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46 public final RepeatingNode getRepeatingNode() { |
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47 return repeatingNode; |
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48 } |
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49 |
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50 } |