Mercurial > hg > graal-compiler
annotate graal/com.oracle.truffle.sl/src/com/oracle/truffle/sl/nodes/SLStatementNode.java @ 21329:6a32034ace1b
LinearScan: make opIdToIndex private.
author | Josef Eisl <josef.eisl@jku.at> |
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date | Tue, 12 May 2015 13:08:43 +0200 |
parents | 3844fb65016c |
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1 /* |
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2 * Copyright (c) 2012, 2015, 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; |
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24 |
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25 import java.io.*; |
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26 |
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27 import com.oracle.truffle.api.frame.*; |
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28 import com.oracle.truffle.api.instrument.ProbeNode.WrapperNode; |
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29 import com.oracle.truffle.api.nodes.*; |
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30 import com.oracle.truffle.api.source.*; |
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31 import com.oracle.truffle.sl.nodes.instrument.*; |
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32 |
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33 /** |
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34 * The base class of all Truffle nodes for SL. All nodes (even expressions) can be used as |
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35 * statements, i.e., without returning a value. The {@link VirtualFrame} provides access to the |
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36 * local variables. |
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37 */ |
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38 @NodeInfo(language = "Simple Language", description = "The abstract base node for all statements") |
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39 public abstract class SLStatementNode extends Node { |
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40 |
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41 public SLStatementNode(SourceSection src) { |
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42 super(src); |
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43 } |
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44 |
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45 /** |
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46 * Execute this node as as statement, where no return value is necessary. |
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47 */ |
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48 public abstract void executeVoid(VirtualFrame frame); |
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49 |
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50 public SLStatementNode getNonWrapperNode() { |
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51 return this; |
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52 } |
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53 |
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54 @Override |
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55 public String toString() { |
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56 return formatSourceSection(this); |
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57 } |
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58 |
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59 /** |
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60 * Formats a source section of a node in human readable form. If no source section could be |
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61 * found it looks up the parent hierarchy until it finds a source section. Nodes where this was |
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62 * required append a <code>'~'</code> at the end. |
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63 * |
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64 * @param node the node to format. |
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65 * @return a formatted source section string |
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66 */ |
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67 public static String formatSourceSection(Node node) { |
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68 if (node == null) { |
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69 return "<unknown>"; |
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70 } |
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71 SourceSection section = node.getSourceSection(); |
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72 boolean estimated = false; |
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73 if (section == null) { |
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74 section = node.getEncapsulatingSourceSection(); |
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75 estimated = true; |
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76 } |
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77 |
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78 if (section == null || section.getSource() == null) { |
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79 return "<unknown source>"; |
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80 } else { |
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81 String sourceName = new File(section.getSource().getName()).getName(); |
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82 int startLine = section.getStartLine(); |
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83 return String.format("%s:%d%s", sourceName, startLine, estimated ? "~" : ""); |
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84 } |
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85 } |
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86 |
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87 @Override |
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88 public boolean isInstrumentable() { |
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89 return true; |
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90 } |
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91 |
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92 @Override |
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93 public WrapperNode createWrapperNode() { |
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94 return new SLStatementWrapperNode(this); |
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95 } |
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96 |
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97 } |