Mercurial > hg > truffle
annotate graal/com.oracle.truffle.sl/src/com/oracle/truffle/sl/nodes/controlflow/SLBlockNode.java @ 16178:b96e17e6d6aa
Remove obsolete comments.
author | Julian Lettner <julian.lettner@oracle.com> |
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date | Tue, 24 Jun 2014 14:52:05 +0200 |
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1 /* |
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2 * Copyright (c) 2012, 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.truffle.sl.nodes.controlflow; |
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24 |
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25 import com.oracle.truffle.api.*; |
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26 import com.oracle.truffle.api.frame.*; |
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27 import com.oracle.truffle.api.nodes.*; |
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28 import com.oracle.truffle.sl.nodes.*; |
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29 |
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30 /** |
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31 * A statement node that just executes a list of other statements. |
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32 */ |
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33 @NodeInfo(shortName = "block", description = "The node implementing a source code block") |
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34 public final class SLBlockNode extends SLStatementNode { |
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35 |
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36 /** |
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37 * The array of child nodes. The annotation {@link com.oracle.truffle.api.nodes.Node.Children |
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38 * Children} informs Truffle that the field contains multiple children. It is a Truffle |
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39 * requirement that the field is {@code final} and an array of nodes. |
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40 */ |
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41 @Children private final SLStatementNode[] bodyNodes; |
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42 |
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43 public SLBlockNode(SLStatementNode[] bodyNodes) { |
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44 this.bodyNodes = bodyNodes; |
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45 } |
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46 |
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47 /** |
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48 * Execute all child statements. The annotation {@link ExplodeLoop} triggers full unrolling of |
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49 * the loop during compilation. This allows the {@link SLStatementNode#executeVoid} method of |
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50 * all children to be inlined. |
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51 */ |
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52 @Override |
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53 @ExplodeLoop |
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54 public void executeVoid(VirtualFrame frame) { |
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55 /* |
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56 * This assertion illustrates that the arryay length is really a constant during |
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57 * compilation. |
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58 */ |
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59 CompilerAsserts.compilationConstant(bodyNodes.length); |
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60 |
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61 for (SLStatementNode statement : bodyNodes) { |
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62 statement.executeVoid(frame); |
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63 } |
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64 } |
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65 } |