Mercurial > hg > graal-compiler
annotate graal/com.oracle.truffle.sl/src/com/oracle/truffle/sl/nodes/controlflow/SLIfNode.java @ 13761:7c418666c6c9
Refactoring and cleanup of Simple Language (more to come soon)
author | Christian Wimmer <christian.wimmer@oracle.com> |
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date | Fri, 24 Jan 2014 18:16:24 -0800 |
parents | graal/com.oracle.truffle.sl/src/com/oracle/truffle/sl/nodes/IfNode.java@d4c6dd07be76 |
children | b16ec83edc73 |
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Simple Language: A simple dynamic programming language to demonstrate Truffle features
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1 /* |
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2 * Copyright (c) 2012, 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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Simple Language: A simple dynamic programming language to demonstrate Truffle features
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9 * This code is distributed in the hope that it will be useful, but WITHOUT |
213c1297a814
Simple Language: A simple dynamic programming language to demonstrate Truffle features
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
213c1297a814
Simple Language: A simple dynamic programming language to demonstrate Truffle features
Christian Wimmer <christian.wimmer@oracle.com>
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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Simple Language: A simple dynamic programming language to demonstrate Truffle features
Christian Wimmer <christian.wimmer@oracle.com>
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12 * version 2 for more details (a copy is included in the LICENSE file that |
213c1297a814
Simple Language: A simple dynamic programming language to demonstrate Truffle features
Christian Wimmer <christian.wimmer@oracle.com>
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13 * accompanied this code). |
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Simple Language: A simple dynamic programming language to demonstrate Truffle features
Christian Wimmer <christian.wimmer@oracle.com>
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14 * |
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Simple Language: A simple dynamic programming language to demonstrate Truffle features
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15 * You should have received a copy of the GNU General Public License version |
213c1297a814
Simple Language: A simple dynamic programming language to demonstrate Truffle features
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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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Christian Wimmer <christian.wimmer@oracle.com>
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18 * |
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Simple Language: A simple dynamic programming language to demonstrate Truffle features
Christian Wimmer <christian.wimmer@oracle.com>
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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.frame.*; |
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26 import com.oracle.truffle.api.utilities.*; |
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27 import com.oracle.truffle.sl.nodes.*; |
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28 |
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29 public class SLIfNode extends SLStatementNode { |
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30 @Child private SLExpressionNode conditionNode; |
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31 @Child private SLStatementNode thenPartNode; |
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32 @Child private SLStatementNode elsePartNode; |
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33 |
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34 private final BranchProfile thenTaken = new BranchProfile(); |
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35 private final BranchProfile elseTaken = new BranchProfile(); |
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36 |
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37 public SLIfNode(SLExpressionNode conditionNode, SLStatementNode thenPartNode, SLStatementNode elsePartNode) { |
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38 this.conditionNode = adoptChild(conditionNode); |
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39 this.thenPartNode = adoptChild(thenPartNode); |
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40 this.elsePartNode = adoptChild(elsePartNode); |
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41 } |
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42 |
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43 @Override |
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44 public void executeVoid(VirtualFrame frame) { |
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45 if (conditionNode.executeCondition(frame)) { |
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46 thenTaken.enter(); |
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47 thenPartNode.executeVoid(frame); |
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48 } else { |
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49 if (elsePartNode != null) { |
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50 elseTaken.enter(); |
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51 elsePartNode.executeVoid(frame); |
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52 } |
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53 } |
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54 } |
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55 } |