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annotate graal/com.oracle.truffle.api/src/com/oracle/truffle/api/TruffleOptions.java @ 14564:5d1308c78ddc

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Truffle: Introduced NodeCost as a replacement for NodeInfo.Kind.
author Christian Humer <christian.humer@gmail.com>
date Mon, 17 Mar 2014 14:29:45 +0100
parents c35d86f53ace
children 76895499bc88
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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.*;
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28
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29 /**
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30 * Class containing general Truffle options.
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31 */
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32 public class TruffleOptions {
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33
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34 /**
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35 * Enables/disables the rewriting of traces in the Truffle runtime to stdout.
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36 * <p>
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37 * Can be set with {@code -Dtruffle.TraceRewrites=true}.
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38 */
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39 public static boolean TraceRewrites = Boolean.getBoolean("truffle.TraceRewrites");
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40
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41 /**
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42 * Enables the generation of detailed rewrite reasons. Enabling this may introduce some overhead
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43 * for rewriting nodes.
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44 * <p>
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45 * Can be set with {@code -Dtruffle.DetailedRewriteReasons=true}.
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46 */
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47 public static final boolean DetailedRewriteReasons = Boolean.getBoolean("truffle.DetailedRewriteReasons");
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48
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49 /**
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50 * Filters rewrites that do not contain the given string in the qualified name of the source or
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51 * target class hierarchy.
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52 * <p>
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53 * Can be set with {@code -Dtruffle.TraceRewritesFilterClass=name}.
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54 */
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55 public static String TraceRewritesFilterClass = System.getProperty("truffle.TraceRewritesFilterClass");
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56
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57 /**
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58 * Filters rewrites which does not contain the {@link NodeCost} in its source {@link NodeInfo}.
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59 * If no {@link NodeInfo} is defined the element is filtered if the filter value is set.
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60 * <p>
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61 * Can be set with
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62 * {@code -Dtruffle.TraceRewritesFilterFromCost=NONE|MONOMORPHIC|POLYMORPHIC|MEGAMORPHIC}.
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63 */
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64 public static NodeCost TraceRewritesFilterFromCost = parseNodeInfoKind(System.getProperty("truffle.TraceRewritesFilterFromCost"));
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65
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66 /**
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67 * Filters rewrites which does not contain the {@link NodeCost} in its target {@link NodeInfo}.
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68 * If no {@link NodeInfo} is defined the element is filtered if the filter value is set.
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69 * <p>
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70 * Can be set with
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71 * {@code -Dtruffle.TraceRewritesFilterToKind=UNINITIALIZED|SPECIALIZED|POLYMORPHIC|GENERIC}.
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72 */
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73 public static NodeCost TraceRewritesFilterToCost = parseNodeInfoKind(System.getProperty("truffle.TraceRewritesFilterToCost"));
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74
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75 private static NodeCost parseNodeInfoKind(String kind) {
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76 if (kind == null) {
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77 return null;
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78 }
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79
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80 return NodeCost.valueOf(kind);
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81 }
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82
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83 }