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annotate graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/HotSpotOptions.java @ 12570:af39ea2dc39d

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made ConstantNodes (optionally) not record their usages (GRAAL-508)
author Doug Simon <doug.simon@oracle.com>
date Thu, 24 Oct 2013 14:57:57 +0200
parents 12e9d529fd1d
children 516ad7baa080
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /*
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2 * Copyright (c) 2011, 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
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24 package com.oracle.graal.hotspot;
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25
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26 import static com.oracle.graal.compiler.GraalDebugConfig.*;
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27 import static java.nio.file.Files.*;
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28
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29 import java.io.*;
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30 import java.nio.charset.*;
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31 import java.nio.file.*;
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32 import java.util.*;
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33
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34 import com.oracle.graal.debug.*;
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35 import com.oracle.graal.hotspot.logging.*;
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36 import com.oracle.graal.options.*;
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37
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38 /**
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39 * Called from {@code graalCompiler.cpp} to parse any Graal specific options. Such options are
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40 * (currently) distinguished by a {@code "-G:"} prefix.
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41 */
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42 public class HotSpotOptions {
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43
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44 private static final Map<String, OptionDescriptor> options = new HashMap<>();
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45
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46 /**
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47 * Initializes {@link #options} from {@link Options} services.
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48 */
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49 private static void initializeOptions() {
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50 ServiceLoader<Options> sl = ServiceLoader.loadInstalled(Options.class);
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51 for (Options opts : sl) {
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52 for (OptionDescriptor desc : opts) {
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53 if (isHotSpotOption(desc)) {
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54 String name = desc.getName();
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55 OptionDescriptor existing = options.put(name, desc);
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56 assert existing == null : "Option named \"" + name + "\" has multiple definitions: " + existing.getLocation() + " and " + desc.getLocation();
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57 }
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58 }
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59 }
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60 }
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61
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62 /**
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63 * Determines if a given option is a HotSpot command line option.
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64 */
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65 public static boolean isHotSpotOption(OptionDescriptor desc) {
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66 return desc.getClass().getName().startsWith("com.oracle.graal");
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67 }
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68
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69 /**
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70 * Loads default option value overrides from a {@code graal.options} file if it exists. Each
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71 * line in this file starts with {@code "#"} and is ignored or must have the format of a Graal
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72 * command line option without the leading {@code "-G:"} prefix. These option value are set
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73 * prior to processing of any Graal options present on the command line.
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74 */
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75 private static void loadOptionOverrides() throws InternalError {
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76 String javaHome = System.getProperty("java.home");
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77 Path graalDotOptions = Paths.get(javaHome, "lib", "graal.options");
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78 if (!exists(graalDotOptions)) {
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79 graalDotOptions = Paths.get(javaHome, "jre", "lib", "graal.options");
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80 }
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81 if (exists(graalDotOptions)) {
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82 try {
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83 for (String line : Files.readAllLines(graalDotOptions, Charset.defaultCharset())) {
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84 if (!line.startsWith("#")) {
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85 if (!setOption(line)) {
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86 throw new InternalError("Invalid option \"" + line + "\" specified in " + graalDotOptions);
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87 }
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88 }
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89 }
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90 } catch (IOException e) {
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91 throw (InternalError) new InternalError().initCause(e);
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92 }
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93 }
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94 }
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95
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96 static {
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97 initializeOptions();
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98 loadOptionOverrides();
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99 }
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100
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101 // Called from VM code
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102 public static boolean setOption(String option) {
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103 if (option.length() == 0) {
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104 return false;
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105 }
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106
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107 Object value = null;
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108 String optionName = null;
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109 String valueString = null;
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110
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111 if (option.equals("+PrintFlags")) {
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112 printFlags();
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113 return true;
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114 }
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115
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116 char first = option.charAt(0);
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117 if (first == '+' || first == '-') {
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118 optionName = option.substring(1);
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119 value = (first == '+');
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120 } else {
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121 int index = option.indexOf('=');
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122 if (index == -1) {
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123 optionName = option;
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124 valueString = null;
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125 } else {
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126 optionName = option.substring(0, index);
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127 valueString = option.substring(index + 1);
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128 }
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129 }
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130
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131 OptionDescriptor desc = options.get(optionName);
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132 if (desc == null) {
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133 Logger.info("Could not find option " + optionName + " (use -G:+PrintFlags to see Graal options)");
11935
12e9d529fd1d suggest corrections for mistyped Graal options (GRAAL-521)
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parents: 11889
diff changeset
134 List<OptionDescriptor> matches = fuzzyMatch(optionName);
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parents: 11889
diff changeset
135 if (!matches.isEmpty()) {
12e9d529fd1d suggest corrections for mistyped Graal options (GRAAL-521)
Doug Simon <doug.simon@oracle.com>
parents: 11889
diff changeset
136 Logger.info("Did you mean one of the following?");
12e9d529fd1d suggest corrections for mistyped Graal options (GRAAL-521)
Doug Simon <doug.simon@oracle.com>
parents: 11889
diff changeset
137 for (OptionDescriptor match : matches) {
12e9d529fd1d suggest corrections for mistyped Graal options (GRAAL-521)
Doug Simon <doug.simon@oracle.com>
parents: 11889
diff changeset
138 boolean isBoolean = match.getType() == boolean.class;
12e9d529fd1d suggest corrections for mistyped Graal options (GRAAL-521)
Doug Simon <doug.simon@oracle.com>
parents: 11889
diff changeset
139 Logger.info(String.format(" %s%s%s", isBoolean ? "(+/-)" : "", match.getName(), isBoolean ? "" : "=<value>"));
12e9d529fd1d suggest corrections for mistyped Graal options (GRAAL-521)
Doug Simon <doug.simon@oracle.com>
parents: 11889
diff changeset
140 }
12e9d529fd1d suggest corrections for mistyped Graal options (GRAAL-521)
Doug Simon <doug.simon@oracle.com>
parents: 11889
diff changeset
141 }
9864
063a712fe8d8 converted remaining options in GraalOptions to new system (GRAAL-27)
Doug Simon <doug.simon@oracle.com>
parents: 9853
diff changeset
142 return false;
9849
e876c2a6954f extensible option system (GRAAL-27)
Doug Simon <doug.simon@oracle.com>
parents: 7739
diff changeset
143 }
e876c2a6954f extensible option system (GRAAL-27)
Doug Simon <doug.simon@oracle.com>
parents: 7739
diff changeset
144
9919
af909f4b80a9 options are grouped per top level class/interface when accessed via the service mechanism
Doug Simon <doug.simon@oracle.com>
parents: 9912
diff changeset
145 Class<?> optionType = desc.getType();
9849
e876c2a6954f extensible option system (GRAAL-27)
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parents: 7739
diff changeset
146
e876c2a6954f extensible option system (GRAAL-27)
Doug Simon <doug.simon@oracle.com>
parents: 7739
diff changeset
147 if (value == null) {
e876c2a6954f extensible option system (GRAAL-27)
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parents: 7739
diff changeset
148 if (optionType == Boolean.TYPE || optionType == Boolean.class) {
9912
fbad7372eccd added support for stable options
Doug Simon <doug.simon@oracle.com>
parents: 9903
diff changeset
149 Logger.info("Value for boolean option '" + optionName + "' must use '-G:+" + optionName + "' or '-G:-" + optionName + "' format");
9849
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parents: 7739
diff changeset
150 return false;
e876c2a6954f extensible option system (GRAAL-27)
Doug Simon <doug.simon@oracle.com>
parents: 7739
diff changeset
151 }
e876c2a6954f extensible option system (GRAAL-27)
Doug Simon <doug.simon@oracle.com>
parents: 7739
diff changeset
152
e876c2a6954f extensible option system (GRAAL-27)
Doug Simon <doug.simon@oracle.com>
parents: 7739
diff changeset
153 if (valueString == null) {
9912
fbad7372eccd added support for stable options
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parents: 9903
diff changeset
154 Logger.info("Value for option '" + optionName + "' must use '-G:" + optionName + "=<value>' format");
9849
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parents: 7739
diff changeset
155 return false;
e876c2a6954f extensible option system (GRAAL-27)
Doug Simon <doug.simon@oracle.com>
parents: 7739
diff changeset
156 }
e876c2a6954f extensible option system (GRAAL-27)
Doug Simon <doug.simon@oracle.com>
parents: 7739
diff changeset
157
e876c2a6954f extensible option system (GRAAL-27)
Doug Simon <doug.simon@oracle.com>
parents: 7739
diff changeset
158 if (optionType == Float.class) {
e876c2a6954f extensible option system (GRAAL-27)
Doug Simon <doug.simon@oracle.com>
parents: 7739
diff changeset
159 value = Float.parseFloat(valueString);
e876c2a6954f extensible option system (GRAAL-27)
Doug Simon <doug.simon@oracle.com>
parents: 7739
diff changeset
160 } else if (optionType == Double.class) {
e876c2a6954f extensible option system (GRAAL-27)
Doug Simon <doug.simon@oracle.com>
parents: 7739
diff changeset
161 value = Double.parseDouble(valueString);
e876c2a6954f extensible option system (GRAAL-27)
Doug Simon <doug.simon@oracle.com>
parents: 7739
diff changeset
162 } else if (optionType == Integer.class) {
e876c2a6954f extensible option system (GRAAL-27)
Doug Simon <doug.simon@oracle.com>
parents: 7739
diff changeset
163 value = Integer.parseInt(valueString);
e876c2a6954f extensible option system (GRAAL-27)
Doug Simon <doug.simon@oracle.com>
parents: 7739
diff changeset
164 } else if (optionType == String.class) {
e876c2a6954f extensible option system (GRAAL-27)
Doug Simon <doug.simon@oracle.com>
parents: 7739
diff changeset
165 value = valueString;
e876c2a6954f extensible option system (GRAAL-27)
Doug Simon <doug.simon@oracle.com>
parents: 7739
diff changeset
166 }
e876c2a6954f extensible option system (GRAAL-27)
Doug Simon <doug.simon@oracle.com>
parents: 7739
diff changeset
167 } else {
e876c2a6954f extensible option system (GRAAL-27)
Doug Simon <doug.simon@oracle.com>
parents: 7739
diff changeset
168 if (optionType != Boolean.class) {
9912
fbad7372eccd added support for stable options
Doug Simon <doug.simon@oracle.com>
parents: 9903
diff changeset
169 Logger.info("Value for option '" + optionName + "' must use '-G:" + optionName + "=<value>' format");
9849
e876c2a6954f extensible option system (GRAAL-27)
Doug Simon <doug.simon@oracle.com>
parents: 7739
diff changeset
170 return false;
e876c2a6954f extensible option system (GRAAL-27)
Doug Simon <doug.simon@oracle.com>
parents: 7739
diff changeset
171 }
e876c2a6954f extensible option system (GRAAL-27)
Doug Simon <doug.simon@oracle.com>
parents: 7739
diff changeset
172 }
e876c2a6954f extensible option system (GRAAL-27)
Doug Simon <doug.simon@oracle.com>
parents: 7739
diff changeset
173
e876c2a6954f extensible option system (GRAAL-27)
Doug Simon <doug.simon@oracle.com>
parents: 7739
diff changeset
174 if (value != null) {
9919
af909f4b80a9 options are grouped per top level class/interface when accessed via the service mechanism
Doug Simon <doug.simon@oracle.com>
parents: 9912
diff changeset
175 OptionValue<?> optionValue = desc.getOptionValue();
9912
fbad7372eccd added support for stable options
Doug Simon <doug.simon@oracle.com>
parents: 9903
diff changeset
176 optionValue.setValue(value);
12570
af39ea2dc39d made ConstantNodes (optionally) not record their usages (GRAAL-508)
Doug Simon <doug.simon@oracle.com>
parents: 11935
diff changeset
177 // Logger.info("Set option " + desc.getName() + " to " + value);
9849
e876c2a6954f extensible option system (GRAAL-27)
Doug Simon <doug.simon@oracle.com>
parents: 7739
diff changeset
178 } else {
9912
fbad7372eccd added support for stable options
Doug Simon <doug.simon@oracle.com>
parents: 9903
diff changeset
179 Logger.info("Wrong value \"" + valueString + "\" for option " + optionName);
9849
e876c2a6954f extensible option system (GRAAL-27)
Doug Simon <doug.simon@oracle.com>
parents: 7739
diff changeset
180 return false;
e876c2a6954f extensible option system (GRAAL-27)
Doug Simon <doug.simon@oracle.com>
parents: 7739
diff changeset
181 }
e876c2a6954f extensible option system (GRAAL-27)
Doug Simon <doug.simon@oracle.com>
parents: 7739
diff changeset
182
e876c2a6954f extensible option system (GRAAL-27)
Doug Simon <doug.simon@oracle.com>
parents: 7739
diff changeset
183 return true;
e876c2a6954f extensible option system (GRAAL-27)
Doug Simon <doug.simon@oracle.com>
parents: 7739
diff changeset
184 }
e876c2a6954f extensible option system (GRAAL-27)
Doug Simon <doug.simon@oracle.com>
parents: 7739
diff changeset
185
11365
5a7644d5fe20 added capability for embedding new lines in lengthy option help messages
Doug Simon <doug.simon@oracle.com>
parents: 9986
diff changeset
186 /**
11561
e1309fc4d17f ensure Debug.enable() is called before any DebugTimer or DebugMetric objects are requested
Doug Simon <doug.simon@oracle.com>
parents: 11365
diff changeset
187 * Called from VM code once all Graal command line options have been processed by
e1309fc4d17f ensure Debug.enable() is called before any DebugTimer or DebugMetric objects are requested
Doug Simon <doug.simon@oracle.com>
parents: 11365
diff changeset
188 * {@link #setOption(String)}.
11585
516b93ccf7c9 pass the value of the -XX:+CITime VM option explicitly to HotSpotOptions.finalize()
Doug Simon <doug.simon@oracle.com>
parents: 11563
diff changeset
189 *
516b93ccf7c9 pass the value of the -XX:+CITime VM option explicitly to HotSpotOptions.finalize()
Doug Simon <doug.simon@oracle.com>
parents: 11563
diff changeset
190 * @param ciTime the value of the CITime HotSpot VM option
11561
e1309fc4d17f ensure Debug.enable() is called before any DebugTimer or DebugMetric objects are requested
Doug Simon <doug.simon@oracle.com>
parents: 11365
diff changeset
191 */
11585
516b93ccf7c9 pass the value of the -XX:+CITime VM option explicitly to HotSpotOptions.finalize()
Doug Simon <doug.simon@oracle.com>
parents: 11563
diff changeset
192 public static void finalizeOptions(boolean ciTime) {
516b93ccf7c9 pass the value of the -XX:+CITime VM option explicitly to HotSpotOptions.finalize()
Doug Simon <doug.simon@oracle.com>
parents: 11563
diff changeset
193 if (areDebugScopePatternsEnabled() || ciTime) {
11612
54dff87002e0 check that Debug has not been initialized before HotSpotOptions.finalizeOptions() is called
Doug Simon <doug.simon@oracle.com>
parents: 11611
diff changeset
194 assert !Debug.Initialization.isDebugInitialized();
54dff87002e0 check that Debug has not been initialized before HotSpotOptions.finalizeOptions() is called
Doug Simon <doug.simon@oracle.com>
parents: 11611
diff changeset
195 System.setProperty(Debug.Initialization.INITIALIZER_PROPERTY_NAME, "true");
11561
e1309fc4d17f ensure Debug.enable() is called before any DebugTimer or DebugMetric objects are requested
Doug Simon <doug.simon@oracle.com>
parents: 11365
diff changeset
196 }
e1309fc4d17f ensure Debug.enable() is called before any DebugTimer or DebugMetric objects are requested
Doug Simon <doug.simon@oracle.com>
parents: 11365
diff changeset
197 }
e1309fc4d17f ensure Debug.enable() is called before any DebugTimer or DebugMetric objects are requested
Doug Simon <doug.simon@oracle.com>
parents: 11365
diff changeset
198
e1309fc4d17f ensure Debug.enable() is called before any DebugTimer or DebugMetric objects are requested
Doug Simon <doug.simon@oracle.com>
parents: 11365
diff changeset
199 /**
11365
5a7644d5fe20 added capability for embedding new lines in lengthy option help messages
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parents: 9986
diff changeset
200 * Wraps some given text to one or more lines of a given maximum width.
5a7644d5fe20 added capability for embedding new lines in lengthy option help messages
Doug Simon <doug.simon@oracle.com>
parents: 9986
diff changeset
201 *
5a7644d5fe20 added capability for embedding new lines in lengthy option help messages
Doug Simon <doug.simon@oracle.com>
parents: 9986
diff changeset
202 * @param text text to wrap
5a7644d5fe20 added capability for embedding new lines in lengthy option help messages
Doug Simon <doug.simon@oracle.com>
parents: 9986
diff changeset
203 * @param width maximum width of an output line, exception for words in {@code text} longer than
5a7644d5fe20 added capability for embedding new lines in lengthy option help messages
Doug Simon <doug.simon@oracle.com>
parents: 9986
diff changeset
204 * this value
5a7644d5fe20 added capability for embedding new lines in lengthy option help messages
Doug Simon <doug.simon@oracle.com>
parents: 9986
diff changeset
205 * @return {@code text} broken into lines
5a7644d5fe20 added capability for embedding new lines in lengthy option help messages
Doug Simon <doug.simon@oracle.com>
parents: 9986
diff changeset
206 */
5a7644d5fe20 added capability for embedding new lines in lengthy option help messages
Doug Simon <doug.simon@oracle.com>
parents: 9986
diff changeset
207 private static List<String> wrap(String text, int width) {
5a7644d5fe20 added capability for embedding new lines in lengthy option help messages
Doug Simon <doug.simon@oracle.com>
parents: 9986
diff changeset
208 List<String> lines = Collections.singletonList(text);
5a7644d5fe20 added capability for embedding new lines in lengthy option help messages
Doug Simon <doug.simon@oracle.com>
parents: 9986
diff changeset
209 if (text.length() > width) {
5a7644d5fe20 added capability for embedding new lines in lengthy option help messages
Doug Simon <doug.simon@oracle.com>
parents: 9986
diff changeset
210 String[] chunks = text.split("\\s+");
5a7644d5fe20 added capability for embedding new lines in lengthy option help messages
Doug Simon <doug.simon@oracle.com>
parents: 9986
diff changeset
211 lines = new ArrayList<>();
5a7644d5fe20 added capability for embedding new lines in lengthy option help messages
Doug Simon <doug.simon@oracle.com>
parents: 9986
diff changeset
212 StringBuilder line = new StringBuilder();
5a7644d5fe20 added capability for embedding new lines in lengthy option help messages
Doug Simon <doug.simon@oracle.com>
parents: 9986
diff changeset
213 for (String chunk : chunks) {
5a7644d5fe20 added capability for embedding new lines in lengthy option help messages
Doug Simon <doug.simon@oracle.com>
parents: 9986
diff changeset
214 if (line.length() + chunk.length() > width) {
5a7644d5fe20 added capability for embedding new lines in lengthy option help messages
Doug Simon <doug.simon@oracle.com>
parents: 9986
diff changeset
215 lines.add(line.toString());
5a7644d5fe20 added capability for embedding new lines in lengthy option help messages
Doug Simon <doug.simon@oracle.com>
parents: 9986
diff changeset
216 line.setLength(0);
5a7644d5fe20 added capability for embedding new lines in lengthy option help messages
Doug Simon <doug.simon@oracle.com>
parents: 9986
diff changeset
217 }
5a7644d5fe20 added capability for embedding new lines in lengthy option help messages
Doug Simon <doug.simon@oracle.com>
parents: 9986
diff changeset
218 if (line.length() != 0) {
5a7644d5fe20 added capability for embedding new lines in lengthy option help messages
Doug Simon <doug.simon@oracle.com>
parents: 9986
diff changeset
219 line.append(' ');
5a7644d5fe20 added capability for embedding new lines in lengthy option help messages
Doug Simon <doug.simon@oracle.com>
parents: 9986
diff changeset
220 }
11889
b168635707b5 fix line wrapping issue when printing help for options
Doug Simon <doug.simon@oracle.com>
parents: 11612
diff changeset
221 String[] embeddedLines = chunk.split("%n", -2);
11365
5a7644d5fe20 added capability for embedding new lines in lengthy option help messages
Doug Simon <doug.simon@oracle.com>
parents: 9986
diff changeset
222 if (embeddedLines.length == 1) {
5a7644d5fe20 added capability for embedding new lines in lengthy option help messages
Doug Simon <doug.simon@oracle.com>
parents: 9986
diff changeset
223 line.append(chunk);
5a7644d5fe20 added capability for embedding new lines in lengthy option help messages
Doug Simon <doug.simon@oracle.com>
parents: 9986
diff changeset
224 } else {
5a7644d5fe20 added capability for embedding new lines in lengthy option help messages
Doug Simon <doug.simon@oracle.com>
parents: 9986
diff changeset
225 for (int i = 0; i < embeddedLines.length; i++) {
5a7644d5fe20 added capability for embedding new lines in lengthy option help messages
Doug Simon <doug.simon@oracle.com>
parents: 9986
diff changeset
226 line.append(embeddedLines[i]);
5a7644d5fe20 added capability for embedding new lines in lengthy option help messages
Doug Simon <doug.simon@oracle.com>
parents: 9986
diff changeset
227 if (i < embeddedLines.length - 1) {
5a7644d5fe20 added capability for embedding new lines in lengthy option help messages
Doug Simon <doug.simon@oracle.com>
parents: 9986
diff changeset
228 lines.add(line.toString());
5a7644d5fe20 added capability for embedding new lines in lengthy option help messages
Doug Simon <doug.simon@oracle.com>
parents: 9986
diff changeset
229 line.setLength(0);
5a7644d5fe20 added capability for embedding new lines in lengthy option help messages
Doug Simon <doug.simon@oracle.com>
parents: 9986
diff changeset
230 }
5a7644d5fe20 added capability for embedding new lines in lengthy option help messages
Doug Simon <doug.simon@oracle.com>
parents: 9986
diff changeset
231 }
5a7644d5fe20 added capability for embedding new lines in lengthy option help messages
Doug Simon <doug.simon@oracle.com>
parents: 9986
diff changeset
232 }
5a7644d5fe20 added capability for embedding new lines in lengthy option help messages
Doug Simon <doug.simon@oracle.com>
parents: 9986
diff changeset
233 }
5a7644d5fe20 added capability for embedding new lines in lengthy option help messages
Doug Simon <doug.simon@oracle.com>
parents: 9986
diff changeset
234 if (line.length() != 0) {
5a7644d5fe20 added capability for embedding new lines in lengthy option help messages
Doug Simon <doug.simon@oracle.com>
parents: 9986
diff changeset
235 lines.add(line.toString());
5a7644d5fe20 added capability for embedding new lines in lengthy option help messages
Doug Simon <doug.simon@oracle.com>
parents: 9986
diff changeset
236 }
5a7644d5fe20 added capability for embedding new lines in lengthy option help messages
Doug Simon <doug.simon@oracle.com>
parents: 9986
diff changeset
237 }
5a7644d5fe20 added capability for embedding new lines in lengthy option help messages
Doug Simon <doug.simon@oracle.com>
parents: 9986
diff changeset
238 return lines;
5a7644d5fe20 added capability for embedding new lines in lengthy option help messages
Doug Simon <doug.simon@oracle.com>
parents: 9986
diff changeset
239 }
5a7644d5fe20 added capability for embedding new lines in lengthy option help messages
Doug Simon <doug.simon@oracle.com>
parents: 9986
diff changeset
240
5156
482265e41a1a added -G:+PrintFlags flag for printing the Graal flags; tightened format checking of Graal options to be consistent with HotSpot
Doug Simon <doug.simon@oracle.com>
parents: 5149
diff changeset
241 private static void printFlags() {
482265e41a1a added -G:+PrintFlags flag for printing the Graal flags; tightened format checking of Graal options to be consistent with HotSpot
Doug Simon <doug.simon@oracle.com>
parents: 5149
diff changeset
242 Logger.info("[Graal flags]");
9919
af909f4b80a9 options are grouped per top level class/interface when accessed via the service mechanism
Doug Simon <doug.simon@oracle.com>
parents: 9912
diff changeset
243 SortedMap<String, OptionDescriptor> sortedOptions = new TreeMap<>(options);
af909f4b80a9 options are grouped per top level class/interface when accessed via the service mechanism
Doug Simon <doug.simon@oracle.com>
parents: 9912
diff changeset
244 for (Map.Entry<String, OptionDescriptor> e : sortedOptions.entrySet()) {
9849
e876c2a6954f extensible option system (GRAAL-27)
Doug Simon <doug.simon@oracle.com>
parents: 7739
diff changeset
245 e.getKey();
9919
af909f4b80a9 options are grouped per top level class/interface when accessed via the service mechanism
Doug Simon <doug.simon@oracle.com>
parents: 9912
diff changeset
246 OptionDescriptor desc = e.getValue();
af909f4b80a9 options are grouped per top level class/interface when accessed via the service mechanism
Doug Simon <doug.simon@oracle.com>
parents: 9912
diff changeset
247 Object value = desc.getOptionValue().getValue();
11365
5a7644d5fe20 added capability for embedding new lines in lengthy option help messages
Doug Simon <doug.simon@oracle.com>
parents: 9986
diff changeset
248 List<String> helpLines = wrap(desc.getHelp(), 70);
5a7644d5fe20 added capability for embedding new lines in lengthy option help messages
Doug Simon <doug.simon@oracle.com>
parents: 9986
diff changeset
249 Logger.info(String.format("%9s %-40s = %-14s %s", desc.getType().getSimpleName(), e.getKey(), value, helpLines.get(0)));
5a7644d5fe20 added capability for embedding new lines in lengthy option help messages
Doug Simon <doug.simon@oracle.com>
parents: 9986
diff changeset
250 for (int i = 1; i < helpLines.size(); i++) {
5a7644d5fe20 added capability for embedding new lines in lengthy option help messages
Doug Simon <doug.simon@oracle.com>
parents: 9986
diff changeset
251 Logger.info(String.format("%67s %s", " ", helpLines.get(i)));
5a7644d5fe20 added capability for embedding new lines in lengthy option help messages
Doug Simon <doug.simon@oracle.com>
parents: 9986
diff changeset
252 }
9849
e876c2a6954f extensible option system (GRAAL-27)
Doug Simon <doug.simon@oracle.com>
parents: 7739
diff changeset
253 }
e876c2a6954f extensible option system (GRAAL-27)
Doug Simon <doug.simon@oracle.com>
parents: 7739
diff changeset
254
e876c2a6954f extensible option system (GRAAL-27)
Doug Simon <doug.simon@oracle.com>
parents: 7739
diff changeset
255 System.exit(0);
e876c2a6954f extensible option system (GRAAL-27)
Doug Simon <doug.simon@oracle.com>
parents: 7739
diff changeset
256 }
11935
12e9d529fd1d suggest corrections for mistyped Graal options (GRAAL-521)
Doug Simon <doug.simon@oracle.com>
parents: 11889
diff changeset
257
12e9d529fd1d suggest corrections for mistyped Graal options (GRAAL-521)
Doug Simon <doug.simon@oracle.com>
parents: 11889
diff changeset
258 /**
12e9d529fd1d suggest corrections for mistyped Graal options (GRAAL-521)
Doug Simon <doug.simon@oracle.com>
parents: 11889
diff changeset
259 * Compute string similarity based on Dice's coefficient.
12e9d529fd1d suggest corrections for mistyped Graal options (GRAAL-521)
Doug Simon <doug.simon@oracle.com>
parents: 11889
diff changeset
260 *
12e9d529fd1d suggest corrections for mistyped Graal options (GRAAL-521)
Doug Simon <doug.simon@oracle.com>
parents: 11889
diff changeset
261 * Ported from str_similar() in globals.cpp.
12e9d529fd1d suggest corrections for mistyped Graal options (GRAAL-521)
Doug Simon <doug.simon@oracle.com>
parents: 11889
diff changeset
262 */
12e9d529fd1d suggest corrections for mistyped Graal options (GRAAL-521)
Doug Simon <doug.simon@oracle.com>
parents: 11889
diff changeset
263 static float stringSimiliarity(String str1, String str2) {
12e9d529fd1d suggest corrections for mistyped Graal options (GRAAL-521)
Doug Simon <doug.simon@oracle.com>
parents: 11889
diff changeset
264 int hit = 0;
12e9d529fd1d suggest corrections for mistyped Graal options (GRAAL-521)
Doug Simon <doug.simon@oracle.com>
parents: 11889
diff changeset
265 for (int i = 0; i < str1.length() - 1; ++i) {
12e9d529fd1d suggest corrections for mistyped Graal options (GRAAL-521)
Doug Simon <doug.simon@oracle.com>
parents: 11889
diff changeset
266 for (int j = 0; j < str2.length() - 1; ++j) {
12e9d529fd1d suggest corrections for mistyped Graal options (GRAAL-521)
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267 if ((str1.charAt(i) == str2.charAt(j)) && (str1.charAt(i + 1) == str2.charAt(j + 1))) {
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268 ++hit;
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269 break;
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270 }
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271 }
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272 }
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273 return 2.0f * hit / (str1.length() + str2.length());
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274 }
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275
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276 private static final float FUZZY_MATCH_THRESHOLD = 0.7F;
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277
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278 /**
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279 * Returns the set of options that fuzzy match a given option name.
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280 */
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281 private static List<OptionDescriptor> fuzzyMatch(String optionName) {
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282 List<OptionDescriptor> matches = new ArrayList<>();
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283 for (Map.Entry<String, OptionDescriptor> e : options.entrySet()) {
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284 float score = stringSimiliarity(e.getKey(), optionName);
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285 if (score >= FUZZY_MATCH_THRESHOLD) {
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286 matches.add(e.getValue());
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287 }
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288 }
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289 return matches;
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290 }
3733
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291 }