Mercurial > hg > truffle
annotate truffle/com.oracle.truffle.api/src/com/oracle/truffle/api/TruffleOptions.java @ 22157:dc83cc1f94f2
Using fully qualified imports
author | Jaroslav Tulach <jaroslav.tulach@oracle.com> |
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date | Wed, 16 Sep 2015 11:33:22 +0200 |
parents | 8b72dfac5cc7 |
children | 4db968103a7c |
rev | line source |
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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. 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; |
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26 |
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27 import com.oracle.truffle.api.nodes.NodeCost; |
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28 import com.oracle.truffle.api.nodes.NodeInfo; |
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29 import java.security.AccessController; |
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30 import java.security.PrivilegedAction; |
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31 |
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32 /** |
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33 * Class containing general Truffle options. |
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34 */ |
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35 public final class TruffleOptions { |
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36 private TruffleOptions() { |
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37 } |
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38 |
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39 /** |
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40 * Enables/disables the rewriting of traces in the Truffle runtime to stdout. |
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41 * <p> |
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42 * Can be set with {@code -Dtruffle.TraceRewrites=true}. |
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43 */ |
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44 public static final boolean TraceRewrites; |
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45 |
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46 /** |
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47 * Enables the generation of detailed rewrite reasons. Enabling this may introduce some overhead |
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48 * for rewriting nodes. |
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49 * <p> |
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50 * Can be set with {@code -Dtruffle.DetailedRewriteReasons=true}. |
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51 */ |
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52 public static final boolean DetailedRewriteReasons; |
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53 |
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54 /** |
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55 * Filters rewrites that do not contain the given string in the qualified name of the source or |
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56 * target class hierarchy. |
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57 * <p> |
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58 * Can be set with {@code -Dtruffle.TraceRewritesFilterClass=name}. |
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59 */ |
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60 public static String TraceRewritesFilterClass; |
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61 |
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62 /** |
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63 * Filters rewrites which does not contain the {@link NodeCost} in its source {@link NodeInfo}. |
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64 * If no {@link NodeInfo} is defined the element is filtered if the filter value is set. |
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65 * <p> |
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66 * Can be set with |
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67 * {@code -Dtruffle.TraceRewritesFilterFromCost=NONE|MONOMORPHIC|POLYMORPHIC|MEGAMORPHIC}. |
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68 */ |
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69 public static NodeCost TraceRewritesFilterFromCost; |
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70 |
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71 /** |
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72 * Filters rewrites which does not contain the {@link NodeCost} in its target {@link NodeInfo}. |
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73 * If no {@link NodeInfo} is defined the element is filtered if the filter value is set. |
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74 * <p> |
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75 * Can be set with |
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76 * {@code -Dtruffle.TraceRewritesFilterToKind=UNINITIALIZED|SPECIALIZED|POLYMORPHIC|GENERIC}. |
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77 */ |
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78 public static NodeCost TraceRewritesFilterToCost; |
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79 |
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80 /** |
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81 * Enables the dumping of Node creations and AST rewrites in JSON format. |
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82 * <p> |
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83 * Can be set with {@code -Dtruffle.TraceASTJSON=true}. |
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84 */ |
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85 public static final boolean TraceASTJSON; |
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86 |
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87 private static NodeCost parseNodeInfoKind(String kind) { |
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88 if (kind == null) { |
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89 return null; |
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90 } |
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91 |
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92 return NodeCost.valueOf(kind); |
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93 } |
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94 |
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95 static { |
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96 final boolean[] values = new boolean[3]; |
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97 AccessController.doPrivileged(new PrivilegedAction<Void>() { |
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98 public Void run() { |
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99 values[0] = Boolean.getBoolean("truffle.TraceRewrites"); |
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100 TraceRewritesFilterClass = System.getProperty("truffle.TraceRewritesFilterClass"); |
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101 TraceRewritesFilterFromCost = parseNodeInfoKind(System.getProperty("truffle.TraceRewritesFilterFromCost")); |
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102 TraceRewritesFilterToCost = parseNodeInfoKind(System.getProperty("truffle.TraceRewritesFilterToCost")); |
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103 values[1] = Boolean.getBoolean("truffle.DetailedRewriteReasons"); |
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104 values[2] = Boolean.getBoolean("truffle.TraceASTJSON"); |
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105 return null; |
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106 } |
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107 }); |
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108 TraceRewrites = values[0]; |
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109 DetailedRewriteReasons = values[1]; |
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110 TraceASTJSON = values[2]; |
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111 } |
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112 } |