1 /* |
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2 * Copyright (c) 2007, 2014, 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 |
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26 package com.sun.tools.javap; |
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27 |
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28 import java.io.EOFException; |
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29 import java.io.FileNotFoundException; |
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30 import java.io.FilterInputStream; |
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31 import java.io.InputStream; |
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32 import java.io.IOException; |
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33 import java.io.OutputStream; |
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34 import java.io.PrintWriter; |
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35 import java.io.Reader; |
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36 import java.io.StringWriter; |
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37 import java.io.Writer; |
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38 import java.net.URI; |
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39 import java.net.URISyntaxException; |
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40 import java.net.URL; |
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41 import java.net.URLConnection; |
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42 import java.nio.file.NoSuchFileException; |
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43 import java.security.DigestInputStream; |
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44 import java.security.MessageDigest; |
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45 import java.security.NoSuchAlgorithmException; |
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46 import java.text.MessageFormat; |
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47 import java.util.ArrayList; |
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48 import java.util.Arrays; |
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49 import java.util.EnumSet; |
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50 import java.util.HashMap; |
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51 import java.util.Iterator; |
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52 import java.util.List; |
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53 import java.util.Locale; |
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54 import java.util.Map; |
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55 import java.util.MissingResourceException; |
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56 import java.util.Objects; |
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57 import java.util.ResourceBundle; |
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58 |
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59 import javax.lang.model.element.Modifier; |
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60 import javax.lang.model.element.NestingKind; |
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61 import javax.tools.Diagnostic; |
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62 import javax.tools.DiagnosticListener; |
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63 import javax.tools.JavaFileManager; |
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64 import javax.tools.JavaFileObject; |
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65 import javax.tools.StandardJavaFileManager; |
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66 import javax.tools.StandardLocation; |
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67 |
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68 import com.sun.tools.classfile.*; |
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69 import com.sun.tools.javac.util.DefinedBy; |
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70 import com.sun.tools.javac.util.DefinedBy.Api; |
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71 |
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72 /** |
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73 * "Main" class for javap, normally accessed from the command line |
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74 * via Main, or from JSR199 via DisassemblerTool. |
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75 * |
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76 * <p><b>This is NOT part of any supported API. |
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77 * If you write code that depends on this, you do so at your own risk. |
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78 * This code and its internal interfaces are subject to change or |
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79 * deletion without notice.</b> |
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80 */ |
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81 public class JavapTask implements DisassemblerTool.DisassemblerTask, Messages { |
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82 public class BadArgs extends Exception { |
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83 static final long serialVersionUID = 8765093759964640721L; |
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84 BadArgs(String key, Object... args) { |
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85 super(JavapTask.this.getMessage(key, args)); |
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86 this.key = key; |
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87 this.args = args; |
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88 } |
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89 |
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90 BadArgs showUsage(boolean b) { |
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91 showUsage = b; |
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92 return this; |
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93 } |
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94 |
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95 final String key; |
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96 final Object[] args; |
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97 boolean showUsage; |
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98 } |
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99 |
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100 static abstract class Option { |
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101 Option(boolean hasArg, String... aliases) { |
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102 this.hasArg = hasArg; |
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103 this.aliases = aliases; |
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104 } |
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105 |
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106 boolean matches(String opt) { |
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107 for (String a: aliases) { |
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108 if (a.equals(opt)) |
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109 return true; |
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110 } |
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111 return false; |
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112 } |
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113 |
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114 boolean ignoreRest() { |
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115 return false; |
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116 } |
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117 |
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118 abstract void process(JavapTask task, String opt, String arg) throws BadArgs; |
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119 |
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120 final boolean hasArg; |
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121 final String[] aliases; |
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122 } |
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123 |
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124 static final Option[] recognizedOptions = { |
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125 |
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126 new Option(false, "-help", "--help", "-?") { |
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127 void process(JavapTask task, String opt, String arg) { |
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128 task.options.help = true; |
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129 } |
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130 }, |
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131 |
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132 new Option(false, "-version") { |
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133 void process(JavapTask task, String opt, String arg) { |
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134 task.options.version = true; |
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135 } |
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136 }, |
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137 |
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138 new Option(false, "-fullversion") { |
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139 void process(JavapTask task, String opt, String arg) { |
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140 task.options.fullVersion = true; |
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141 } |
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142 }, |
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143 |
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144 new Option(false, "-v", "-verbose", "-all") { |
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145 void process(JavapTask task, String opt, String arg) { |
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146 task.options.verbose = true; |
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147 task.options.showDescriptors = true; |
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148 task.options.showFlags = true; |
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149 task.options.showAllAttrs = true; |
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150 } |
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151 }, |
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152 |
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153 new Option(false, "-l") { |
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154 void process(JavapTask task, String opt, String arg) { |
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155 task.options.showLineAndLocalVariableTables = true; |
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156 } |
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157 }, |
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158 |
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159 new Option(false, "-public") { |
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160 void process(JavapTask task, String opt, String arg) { |
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161 task.options.accessOptions.add(opt); |
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162 task.options.showAccess = AccessFlags.ACC_PUBLIC; |
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163 } |
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164 }, |
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165 |
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166 new Option(false, "-protected") { |
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167 void process(JavapTask task, String opt, String arg) { |
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168 task.options.accessOptions.add(opt); |
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169 task.options.showAccess = AccessFlags.ACC_PROTECTED; |
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170 } |
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171 }, |
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172 |
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173 new Option(false, "-package") { |
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174 void process(JavapTask task, String opt, String arg) { |
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175 task.options.accessOptions.add(opt); |
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176 task.options.showAccess = 0; |
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177 } |
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178 }, |
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179 |
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180 new Option(false, "-p", "-private") { |
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181 void process(JavapTask task, String opt, String arg) { |
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182 if (!task.options.accessOptions.contains("-p") && |
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183 !task.options.accessOptions.contains("-private")) { |
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184 task.options.accessOptions.add(opt); |
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185 } |
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186 task.options.showAccess = AccessFlags.ACC_PRIVATE; |
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187 } |
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188 }, |
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189 |
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190 new Option(false, "-c") { |
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191 void process(JavapTask task, String opt, String arg) { |
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192 task.options.showDisassembled = true; |
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193 } |
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194 }, |
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195 |
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196 new Option(false, "-s") { |
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197 void process(JavapTask task, String opt, String arg) { |
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198 task.options.showDescriptors = true; |
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199 } |
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200 }, |
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201 |
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202 new Option(false, "-sysinfo") { |
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203 void process(JavapTask task, String opt, String arg) { |
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204 task.options.sysInfo = true; |
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205 } |
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206 }, |
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207 |
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208 new Option(false, "-XDdetails") { |
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209 void process(JavapTask task, String opt, String arg) { |
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210 task.options.details = EnumSet.allOf(InstructionDetailWriter.Kind.class); |
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211 } |
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212 |
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213 }, |
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214 |
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215 new Option(false, "-XDdetails:") { |
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216 @Override |
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217 boolean matches(String opt) { |
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218 int sep = opt.indexOf(":"); |
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219 return sep != -1 && super.matches(opt.substring(0, sep + 1)); |
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220 } |
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221 |
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222 void process(JavapTask task, String opt, String arg) throws BadArgs { |
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223 int sep = opt.indexOf(":"); |
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224 for (String v: opt.substring(sep + 1).split("[,: ]+")) { |
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225 if (!handleArg(task, v)) |
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226 throw task.new BadArgs("err.invalid.arg.for.option", v); |
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227 } |
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228 } |
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229 |
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230 boolean handleArg(JavapTask task, String arg) { |
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231 if (arg.length() == 0) |
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232 return true; |
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233 |
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234 if (arg.equals("all")) { |
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235 task.options.details = EnumSet.allOf(InstructionDetailWriter.Kind.class); |
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236 return true; |
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237 } |
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238 |
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239 boolean on = true; |
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240 if (arg.startsWith("-")) { |
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241 on = false; |
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242 arg = arg.substring(1); |
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243 } |
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244 |
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245 for (InstructionDetailWriter.Kind k: InstructionDetailWriter.Kind.values()) { |
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246 if (arg.equalsIgnoreCase(k.option)) { |
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247 if (on) |
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248 task.options.details.add(k); |
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249 else |
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250 task.options.details.remove(k); |
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251 return true; |
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252 } |
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253 } |
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254 return false; |
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255 } |
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256 }, |
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257 |
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258 new Option(false, "-constants") { |
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259 void process(JavapTask task, String opt, String arg) { |
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260 task.options.showConstants = true; |
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261 } |
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262 }, |
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263 |
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264 new Option(false, "-XDinner") { |
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265 void process(JavapTask task, String opt, String arg) { |
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266 task.options.showInnerClasses = true; |
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267 } |
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268 }, |
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269 |
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270 new Option(false, "-XDindent:") { |
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271 @Override |
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272 boolean matches(String opt) { |
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273 int sep = opt.indexOf(":"); |
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274 return sep != -1 && super.matches(opt.substring(0, sep + 1)); |
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275 } |
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276 |
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277 void process(JavapTask task, String opt, String arg) throws BadArgs { |
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278 int sep = opt.indexOf(":"); |
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279 try { |
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280 int i = Integer.valueOf(opt.substring(sep + 1)); |
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281 if (i > 0) // silently ignore invalid values |
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282 task.options.indentWidth = i; |
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283 } catch (NumberFormatException e) { |
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284 } |
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285 } |
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286 }, |
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287 |
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288 new Option(false, "-XDtab:") { |
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289 @Override |
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290 boolean matches(String opt) { |
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291 int sep = opt.indexOf(":"); |
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292 return sep != -1 && super.matches(opt.substring(0, sep + 1)); |
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293 } |
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294 |
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295 void process(JavapTask task, String opt, String arg) throws BadArgs { |
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296 int sep = opt.indexOf(":"); |
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297 try { |
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298 int i = Integer.valueOf(opt.substring(sep + 1)); |
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299 if (i > 0) // silently ignore invalid values |
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300 task.options.tabColumn = i; |
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301 } catch (NumberFormatException e) { |
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302 } |
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303 } |
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304 } |
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305 |
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306 }; |
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307 |
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308 public JavapTask() { |
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309 context = new Context(); |
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310 context.put(Messages.class, this); |
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311 options = Options.instance(context); |
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312 attributeFactory = new Attribute.Factory(); |
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313 } |
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314 |
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315 public JavapTask(Writer out, |
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316 JavaFileManager fileManager, |
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317 DiagnosticListener<? super JavaFileObject> diagnosticListener) { |
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318 this(); |
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319 this.log = getPrintWriterForWriter(out); |
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320 this.fileManager = fileManager; |
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321 this.diagnosticListener = diagnosticListener; |
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322 } |
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323 |
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324 public JavapTask(Writer out, |
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325 JavaFileManager fileManager, |
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326 DiagnosticListener<? super JavaFileObject> diagnosticListener, |
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327 Iterable<String> options, |
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328 Iterable<String> classes) { |
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329 this(out, fileManager, diagnosticListener); |
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330 |
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331 this.classes = new ArrayList<>(); |
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332 for (String classname: classes) { |
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333 Objects.requireNonNull(classname); |
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334 this.classes.add(classname); |
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335 } |
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336 |
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337 try { |
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338 if (options != null) |
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339 handleOptions(options, false); |
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340 } catch (BadArgs e) { |
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341 throw new IllegalArgumentException(e.getMessage()); |
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342 } |
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343 } |
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344 |
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345 public void setLocale(Locale locale) { |
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346 if (locale == null) |
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347 locale = Locale.getDefault(); |
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348 task_locale = locale; |
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349 } |
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350 |
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351 public void setLog(Writer log) { |
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352 this.log = getPrintWriterForWriter(log); |
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353 } |
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354 |
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355 public void setLog(OutputStream s) { |
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356 setLog(getPrintWriterForStream(s)); |
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357 } |
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358 |
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359 private static PrintWriter getPrintWriterForStream(OutputStream s) { |
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360 return new PrintWriter(s == null ? System.err : s, true); |
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361 } |
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362 |
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363 private static PrintWriter getPrintWriterForWriter(Writer w) { |
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364 if (w == null) |
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365 return getPrintWriterForStream(null); |
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366 else if (w instanceof PrintWriter) |
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367 return (PrintWriter) w; |
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368 else |
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369 return new PrintWriter(w, true); |
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370 } |
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371 |
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372 public void setDiagnosticListener(DiagnosticListener<? super JavaFileObject> dl) { |
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373 diagnosticListener = dl; |
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374 } |
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375 |
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376 public void setDiagnosticListener(OutputStream s) { |
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377 setDiagnosticListener(getDiagnosticListenerForStream(s)); |
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378 } |
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379 |
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380 private DiagnosticListener<JavaFileObject> getDiagnosticListenerForStream(OutputStream s) { |
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381 return getDiagnosticListenerForWriter(getPrintWriterForStream(s)); |
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382 } |
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383 |
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384 private DiagnosticListener<JavaFileObject> getDiagnosticListenerForWriter(Writer w) { |
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385 final PrintWriter pw = getPrintWriterForWriter(w); |
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386 return new DiagnosticListener<JavaFileObject> () { |
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387 @DefinedBy(Api.COMPILER) |
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388 public void report(Diagnostic<? extends JavaFileObject> diagnostic) { |
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389 switch (diagnostic.getKind()) { |
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390 case ERROR: |
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391 pw.print(getMessage("err.prefix")); |
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392 break; |
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393 case WARNING: |
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394 pw.print(getMessage("warn.prefix")); |
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395 break; |
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396 case NOTE: |
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397 pw.print(getMessage("note.prefix")); |
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398 break; |
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399 } |
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400 pw.print(" "); |
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401 pw.println(diagnostic.getMessage(null)); |
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402 } |
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403 }; |
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404 } |
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405 |
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406 /** Result codes. |
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407 */ |
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408 static final int |
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409 EXIT_OK = 0, // Compilation completed with no errors. |
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410 EXIT_ERROR = 1, // Completed but reported errors. |
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411 EXIT_CMDERR = 2, // Bad command-line arguments |
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412 EXIT_SYSERR = 3, // System error or resource exhaustion. |
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413 EXIT_ABNORMAL = 4; // Compiler terminated abnormally |
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414 |
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415 int run(String[] args) { |
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416 try { |
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417 try { |
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418 handleOptions(args); |
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419 |
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420 // the following gives consistent behavior with javac |
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421 if (classes == null || classes.size() == 0) { |
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422 if (options.help || options.version || options.fullVersion) |
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423 return EXIT_OK; |
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424 else |
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425 return EXIT_CMDERR; |
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426 } |
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427 |
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428 return run(); |
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429 } finally { |
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430 if (defaultFileManager != null) { |
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431 try { |
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432 defaultFileManager.close(); |
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433 defaultFileManager = null; |
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434 } catch (IOException e) { |
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435 throw new InternalError(e); |
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436 } |
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437 } |
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438 } |
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439 } catch (BadArgs e) { |
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440 reportError(e.key, e.args); |
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441 if (e.showUsage) { |
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442 printLines(getMessage("main.usage.summary", progname)); |
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443 } |
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444 return EXIT_CMDERR; |
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445 } catch (InternalError e) { |
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446 Object[] e_args; |
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447 if (e.getCause() == null) |
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448 e_args = e.args; |
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449 else { |
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450 e_args = new Object[e.args.length + 1]; |
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451 e_args[0] = e.getCause(); |
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452 System.arraycopy(e.args, 0, e_args, 1, e.args.length); |
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453 } |
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454 reportError("err.internal.error", e_args); |
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455 return EXIT_ABNORMAL; |
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456 } finally { |
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457 log.flush(); |
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458 } |
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459 } |
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460 |
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461 public void handleOptions(String[] args) throws BadArgs { |
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462 handleOptions(Arrays.asList(args), true); |
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463 } |
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464 |
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465 private void handleOptions(Iterable<String> args, boolean allowClasses) throws BadArgs { |
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466 if (log == null) { |
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467 log = getPrintWriterForStream(System.out); |
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468 if (diagnosticListener == null) |
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469 diagnosticListener = getDiagnosticListenerForStream(System.err); |
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470 } else { |
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471 if (diagnosticListener == null) |
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472 diagnosticListener = getDiagnosticListenerForWriter(log); |
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473 } |
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474 |
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475 |
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476 if (fileManager == null) |
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477 fileManager = getDefaultFileManager(diagnosticListener, log); |
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478 |
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479 Iterator<String> iter = args.iterator(); |
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480 boolean noArgs = !iter.hasNext(); |
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481 |
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482 while (iter.hasNext()) { |
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483 String arg = iter.next(); |
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484 if (arg.startsWith("-")) |
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485 handleOption(arg, iter); |
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486 else if (allowClasses) { |
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487 if (classes == null) |
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488 classes = new ArrayList<>(); |
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489 classes.add(arg); |
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490 while (iter.hasNext()) |
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491 classes.add(iter.next()); |
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492 } else |
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493 throw new BadArgs("err.unknown.option", arg).showUsage(true); |
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494 } |
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495 |
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496 if (options.accessOptions.size() > 1) { |
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497 StringBuilder sb = new StringBuilder(); |
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498 for (String opt: options.accessOptions) { |
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499 if (sb.length() > 0) |
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500 sb.append(" "); |
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501 sb.append(opt); |
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502 } |
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503 throw new BadArgs("err.incompatible.options", sb); |
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504 } |
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505 |
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506 if ((classes == null || classes.size() == 0) && |
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507 !(noArgs || options.help || options.version || options.fullVersion)) { |
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508 throw new BadArgs("err.no.classes.specified"); |
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509 } |
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510 |
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511 if (noArgs || options.help) |
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512 showHelp(); |
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513 |
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514 if (options.version || options.fullVersion) |
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515 showVersion(options.fullVersion); |
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516 } |
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517 |
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518 private void handleOption(String name, Iterator<String> rest) throws BadArgs { |
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519 for (Option o: recognizedOptions) { |
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520 if (o.matches(name)) { |
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521 if (o.hasArg) { |
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522 if (rest.hasNext()) |
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523 o.process(this, name, rest.next()); |
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524 else |
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525 throw new BadArgs("err.missing.arg", name).showUsage(true); |
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526 } else |
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527 o.process(this, name, null); |
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528 |
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529 if (o.ignoreRest()) { |
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530 while (rest.hasNext()) |
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531 rest.next(); |
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532 } |
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533 return; |
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534 } |
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535 } |
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536 |
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537 try { |
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538 if (fileManager.handleOption(name, rest)) |
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539 return; |
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540 } catch (IllegalArgumentException e) { |
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541 throw new BadArgs("err.invalid.use.of.option", name).showUsage(true); |
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542 } |
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543 |
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544 throw new BadArgs("err.unknown.option", name).showUsage(true); |
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545 } |
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546 |
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547 public Boolean call() { |
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548 return run() == 0; |
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549 } |
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550 |
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551 public int run() { |
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552 if (classes == null || classes.isEmpty()) { |
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553 return EXIT_ERROR; |
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554 } |
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555 |
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556 context.put(PrintWriter.class, log); |
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557 ClassWriter classWriter = ClassWriter.instance(context); |
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558 SourceWriter sourceWriter = SourceWriter.instance(context); |
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559 sourceWriter.setFileManager(fileManager); |
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560 |
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561 int result = EXIT_OK; |
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562 |
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563 for (String className: classes) { |
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564 try { |
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565 result = writeClass(classWriter, className); |
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566 } catch (ConstantPoolException e) { |
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567 reportError("err.bad.constant.pool", className, e.getLocalizedMessage()); |
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568 result = EXIT_ERROR; |
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569 } catch (EOFException e) { |
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570 reportError("err.end.of.file", className); |
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571 result = EXIT_ERROR; |
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572 } catch (FileNotFoundException | NoSuchFileException e) { |
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573 reportError("err.file.not.found", e.getLocalizedMessage()); |
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574 result = EXIT_ERROR; |
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575 } catch (IOException e) { |
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576 //e.printStackTrace(); |
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577 Object msg = e.getLocalizedMessage(); |
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578 if (msg == null) { |
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579 msg = e; |
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580 } |
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581 reportError("err.ioerror", className, msg); |
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582 result = EXIT_ERROR; |
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583 } catch (OutOfMemoryError e) { |
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584 reportError("err.nomem"); |
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585 result = EXIT_ERROR; |
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586 } catch (Throwable t) { |
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587 StringWriter sw = new StringWriter(); |
|
588 PrintWriter pw = new PrintWriter(sw); |
|
589 t.printStackTrace(pw); |
|
590 pw.close(); |
|
591 reportError("err.crash", t.toString(), sw.toString()); |
|
592 result = EXIT_ABNORMAL; |
|
593 } |
|
594 } |
|
595 |
|
596 return result; |
|
597 } |
|
598 |
|
599 protected int writeClass(ClassWriter classWriter, String className) |
|
600 throws IOException, ConstantPoolException { |
|
601 JavaFileObject fo = open(className); |
|
602 if (fo == null) { |
|
603 reportError("err.class.not.found", className); |
|
604 return EXIT_ERROR; |
|
605 } |
|
606 |
|
607 ClassFileInfo cfInfo = read(fo); |
|
608 if (!className.endsWith(".class")) { |
|
609 String cfName = cfInfo.cf.getName(); |
|
610 if (!cfName.replaceAll("[/$]", ".").equals(className.replaceAll("[/$]", "."))) { |
|
611 reportWarning("warn.unexpected.class", className, cfName.replace('/', '.')); |
|
612 } |
|
613 } |
|
614 write(cfInfo); |
|
615 |
|
616 if (options.showInnerClasses) { |
|
617 ClassFile cf = cfInfo.cf; |
|
618 Attribute a = cf.getAttribute(Attribute.InnerClasses); |
|
619 if (a instanceof InnerClasses_attribute) { |
|
620 InnerClasses_attribute inners = (InnerClasses_attribute) a; |
|
621 try { |
|
622 int result = EXIT_OK; |
|
623 for (int i = 0; i < inners.classes.length; i++) { |
|
624 int outerIndex = inners.classes[i].outer_class_info_index; |
|
625 ConstantPool.CONSTANT_Class_info outerClassInfo = cf.constant_pool.getClassInfo(outerIndex); |
|
626 String outerClassName = outerClassInfo.getName(); |
|
627 if (outerClassName.equals(cf.getName())) { |
|
628 int innerIndex = inners.classes[i].inner_class_info_index; |
|
629 ConstantPool.CONSTANT_Class_info innerClassInfo = cf.constant_pool.getClassInfo(innerIndex); |
|
630 String innerClassName = innerClassInfo.getName(); |
|
631 classWriter.println("// inner class " + innerClassName.replaceAll("[/$]", ".")); |
|
632 classWriter.println(); |
|
633 result = writeClass(classWriter, innerClassName); |
|
634 if (result != EXIT_OK) return result; |
|
635 } |
|
636 } |
|
637 return result; |
|
638 } catch (ConstantPoolException e) { |
|
639 reportError("err.bad.innerclasses.attribute", className); |
|
640 return EXIT_ERROR; |
|
641 } |
|
642 } else if (a != null) { |
|
643 reportError("err.bad.innerclasses.attribute", className); |
|
644 return EXIT_ERROR; |
|
645 } |
|
646 } |
|
647 |
|
648 return EXIT_OK; |
|
649 } |
|
650 |
|
651 protected JavaFileObject open(String className) throws IOException { |
|
652 // for compatibility, first see if it is a class name |
|
653 JavaFileObject fo = getClassFileObject(className); |
|
654 if (fo != null) |
|
655 return fo; |
|
656 |
|
657 // see if it is an inner class, by replacing dots to $, starting from the right |
|
658 String cn = className; |
|
659 int lastDot; |
|
660 while ((lastDot = cn.lastIndexOf(".")) != -1) { |
|
661 cn = cn.substring(0, lastDot) + "$" + cn.substring(lastDot + 1); |
|
662 fo = getClassFileObject(cn); |
|
663 if (fo != null) |
|
664 return fo; |
|
665 } |
|
666 |
|
667 if (!className.endsWith(".class")) |
|
668 return null; |
|
669 |
|
670 if (fileManager instanceof StandardJavaFileManager) { |
|
671 StandardJavaFileManager sfm = (StandardJavaFileManager) fileManager; |
|
672 try { |
|
673 fo = sfm.getJavaFileObjects(className).iterator().next(); |
|
674 if (fo != null && fo.getLastModified() != 0) { |
|
675 return fo; |
|
676 } |
|
677 } catch (IllegalArgumentException ignore) { |
|
678 } |
|
679 } |
|
680 |
|
681 // see if it is a URL, and if so, wrap it in just enough of a JavaFileObject |
|
682 // to suit javap's needs |
|
683 if (className.matches("^[A-Za-z]+:.*")) { |
|
684 try { |
|
685 final URI uri = new URI(className); |
|
686 final URL url = uri.toURL(); |
|
687 final URLConnection conn = url.openConnection(); |
|
688 conn.setUseCaches(false); |
|
689 return new JavaFileObject() { |
|
690 @DefinedBy(Api.COMPILER) |
|
691 public Kind getKind() { |
|
692 return JavaFileObject.Kind.CLASS; |
|
693 } |
|
694 |
|
695 @DefinedBy(Api.COMPILER) |
|
696 public boolean isNameCompatible(String simpleName, Kind kind) { |
|
697 throw new UnsupportedOperationException(); |
|
698 } |
|
699 |
|
700 @DefinedBy(Api.COMPILER) |
|
701 public NestingKind getNestingKind() { |
|
702 throw new UnsupportedOperationException(); |
|
703 } |
|
704 |
|
705 @DefinedBy(Api.COMPILER) |
|
706 public Modifier getAccessLevel() { |
|
707 throw new UnsupportedOperationException(); |
|
708 } |
|
709 |
|
710 @DefinedBy(Api.COMPILER) |
|
711 public URI toUri() { |
|
712 return uri; |
|
713 } |
|
714 |
|
715 @DefinedBy(Api.COMPILER) |
|
716 public String getName() { |
|
717 return uri.toString(); |
|
718 } |
|
719 |
|
720 @DefinedBy(Api.COMPILER) |
|
721 public InputStream openInputStream() throws IOException { |
|
722 return conn.getInputStream(); |
|
723 } |
|
724 |
|
725 @DefinedBy(Api.COMPILER) |
|
726 public OutputStream openOutputStream() throws IOException { |
|
727 throw new UnsupportedOperationException(); |
|
728 } |
|
729 |
|
730 @DefinedBy(Api.COMPILER) |
|
731 public Reader openReader(boolean ignoreEncodingErrors) throws IOException { |
|
732 throw new UnsupportedOperationException(); |
|
733 } |
|
734 |
|
735 @DefinedBy(Api.COMPILER) |
|
736 public CharSequence getCharContent(boolean ignoreEncodingErrors) throws IOException { |
|
737 throw new UnsupportedOperationException(); |
|
738 } |
|
739 |
|
740 @DefinedBy(Api.COMPILER) |
|
741 public Writer openWriter() throws IOException { |
|
742 throw new UnsupportedOperationException(); |
|
743 } |
|
744 |
|
745 @DefinedBy(Api.COMPILER) |
|
746 public long getLastModified() { |
|
747 return conn.getLastModified(); |
|
748 } |
|
749 |
|
750 @DefinedBy(Api.COMPILER) |
|
751 public boolean delete() { |
|
752 throw new UnsupportedOperationException(); |
|
753 } |
|
754 |
|
755 }; |
|
756 } catch (URISyntaxException | IOException ignore) { |
|
757 } |
|
758 } |
|
759 |
|
760 return null; |
|
761 } |
|
762 |
|
763 public static class ClassFileInfo { |
|
764 ClassFileInfo(JavaFileObject fo, ClassFile cf, byte[] digest, int size) { |
|
765 this.fo = fo; |
|
766 this.cf = cf; |
|
767 this.digest = digest; |
|
768 this.size = size; |
|
769 } |
|
770 public final JavaFileObject fo; |
|
771 public final ClassFile cf; |
|
772 public final byte[] digest; |
|
773 public final int size; |
|
774 } |
|
775 |
|
776 public ClassFileInfo read(JavaFileObject fo) throws IOException, ConstantPoolException { |
|
777 InputStream in = fo.openInputStream(); |
|
778 try { |
|
779 SizeInputStream sizeIn = null; |
|
780 MessageDigest md = null; |
|
781 if (options.sysInfo || options.verbose) { |
|
782 try { |
|
783 md = MessageDigest.getInstance("MD5"); |
|
784 } catch (NoSuchAlgorithmException ignore) { |
|
785 } |
|
786 in = new DigestInputStream(in, md); |
|
787 in = sizeIn = new SizeInputStream(in); |
|
788 } |
|
789 |
|
790 ClassFile cf = ClassFile.read(in, attributeFactory); |
|
791 byte[] digest = (md == null) ? null : md.digest(); |
|
792 int size = (sizeIn == null) ? -1 : sizeIn.size(); |
|
793 return new ClassFileInfo(fo, cf, digest, size); |
|
794 } finally { |
|
795 in.close(); |
|
796 } |
|
797 } |
|
798 |
|
799 public void write(ClassFileInfo info) { |
|
800 ClassWriter classWriter = ClassWriter.instance(context); |
|
801 if (options.sysInfo || options.verbose) { |
|
802 classWriter.setFile(info.fo.toUri()); |
|
803 classWriter.setLastModified(info.fo.getLastModified()); |
|
804 classWriter.setDigest("MD5", info.digest); |
|
805 classWriter.setFileSize(info.size); |
|
806 } |
|
807 |
|
808 classWriter.write(info.cf); |
|
809 } |
|
810 |
|
811 protected void setClassFile(ClassFile classFile) { |
|
812 ClassWriter classWriter = ClassWriter.instance(context); |
|
813 classWriter.setClassFile(classFile); |
|
814 } |
|
815 |
|
816 protected void setMethod(Method enclosingMethod) { |
|
817 ClassWriter classWriter = ClassWriter.instance(context); |
|
818 classWriter.setMethod(enclosingMethod); |
|
819 } |
|
820 |
|
821 protected void write(Attribute value) { |
|
822 AttributeWriter attrWriter = AttributeWriter.instance(context); |
|
823 ClassWriter classWriter = ClassWriter.instance(context); |
|
824 ClassFile cf = classWriter.getClassFile(); |
|
825 attrWriter.write(cf, value, cf.constant_pool); |
|
826 } |
|
827 |
|
828 protected void write(Attributes attrs) { |
|
829 AttributeWriter attrWriter = AttributeWriter.instance(context); |
|
830 ClassWriter classWriter = ClassWriter.instance(context); |
|
831 ClassFile cf = classWriter.getClassFile(); |
|
832 attrWriter.write(cf, attrs, cf.constant_pool); |
|
833 } |
|
834 |
|
835 protected void write(ConstantPool constant_pool) { |
|
836 ConstantWriter constantWriter = ConstantWriter.instance(context); |
|
837 constantWriter.writeConstantPool(constant_pool); |
|
838 } |
|
839 |
|
840 protected void write(ConstantPool constant_pool, int value) { |
|
841 ConstantWriter constantWriter = ConstantWriter.instance(context); |
|
842 constantWriter.write(value); |
|
843 } |
|
844 |
|
845 protected void write(ConstantPool.CPInfo value) { |
|
846 ConstantWriter constantWriter = ConstantWriter.instance(context); |
|
847 constantWriter.println(value); |
|
848 } |
|
849 |
|
850 protected void write(Field value) { |
|
851 ClassWriter classWriter = ClassWriter.instance(context); |
|
852 classWriter.writeField(value); |
|
853 } |
|
854 |
|
855 protected void write(Method value) { |
|
856 ClassWriter classWriter = ClassWriter.instance(context); |
|
857 classWriter.writeMethod(value); |
|
858 } |
|
859 |
|
860 private JavaFileManager getDefaultFileManager(final DiagnosticListener<? super JavaFileObject> dl, PrintWriter log) { |
|
861 if (defaultFileManager == null) |
|
862 defaultFileManager = JavapFileManager.create(dl, log); |
|
863 return defaultFileManager; |
|
864 } |
|
865 |
|
866 private JavaFileObject getClassFileObject(String className) throws IOException { |
|
867 try { |
|
868 JavaFileObject fo; |
|
869 fo = fileManager.getJavaFileForInput(StandardLocation.PLATFORM_CLASS_PATH, className, JavaFileObject.Kind.CLASS); |
|
870 if (fo == null) |
|
871 fo = fileManager.getJavaFileForInput(StandardLocation.CLASS_PATH, className, JavaFileObject.Kind.CLASS); |
|
872 return fo; |
|
873 } catch (IllegalArgumentException e) { |
|
874 return null; |
|
875 } |
|
876 } |
|
877 |
|
878 private void showHelp() { |
|
879 printLines(getMessage("main.usage", progname)); |
|
880 for (Option o: recognizedOptions) { |
|
881 String name = o.aliases[0].substring(1); // there must always be at least one name |
|
882 if (name.startsWith("X") || name.equals("fullversion") || name.equals("h") || name.equals("verify")) |
|
883 continue; |
|
884 printLines(getMessage("main.opt." + name)); |
|
885 } |
|
886 String[] fmOptions = { "-classpath", "-cp", "-bootclasspath" }; |
|
887 for (String o: fmOptions) { |
|
888 if (fileManager.isSupportedOption(o) == -1) |
|
889 continue; |
|
890 String name = o.substring(1); |
|
891 printLines(getMessage("main.opt." + name)); |
|
892 } |
|
893 |
|
894 } |
|
895 |
|
896 private void showVersion(boolean full) { |
|
897 printLines(version(full ? "full" : "release")); |
|
898 } |
|
899 |
|
900 private void printLines(String msg) { |
|
901 log.println(msg.replace("\n", nl)); |
|
902 } |
|
903 |
|
904 private static final String nl = System.getProperty("line.separator"); |
|
905 |
|
906 private static final String versionRBName = "com.sun.tools.javap.resources.version"; |
|
907 private static ResourceBundle versionRB; |
|
908 |
|
909 private String version(String key) { |
|
910 // key=version: mm.nn.oo[-milestone] |
|
911 // key=full: mm.mm.oo[-milestone]-build |
|
912 if (versionRB == null) { |
|
913 try { |
|
914 versionRB = ResourceBundle.getBundle(versionRBName); |
|
915 } catch (MissingResourceException e) { |
|
916 return getMessage("version.resource.missing", System.getProperty("java.version")); |
|
917 } |
|
918 } |
|
919 try { |
|
920 return versionRB.getString(key); |
|
921 } |
|
922 catch (MissingResourceException e) { |
|
923 return getMessage("version.unknown", System.getProperty("java.version")); |
|
924 } |
|
925 } |
|
926 |
|
927 private void reportError(String key, Object... args) { |
|
928 diagnosticListener.report(createDiagnostic(Diagnostic.Kind.ERROR, key, args)); |
|
929 } |
|
930 |
|
931 private void reportNote(String key, Object... args) { |
|
932 diagnosticListener.report(createDiagnostic(Diagnostic.Kind.NOTE, key, args)); |
|
933 } |
|
934 |
|
935 private void reportWarning(String key, Object... args) { |
|
936 diagnosticListener.report(createDiagnostic(Diagnostic.Kind.WARNING, key, args)); |
|
937 } |
|
938 |
|
939 private Diagnostic<JavaFileObject> createDiagnostic( |
|
940 final Diagnostic.Kind kind, final String key, final Object... args) { |
|
941 return new Diagnostic<JavaFileObject>() { |
|
942 @DefinedBy(Api.COMPILER) |
|
943 public Kind getKind() { |
|
944 return kind; |
|
945 } |
|
946 |
|
947 @DefinedBy(Api.COMPILER) |
|
948 public JavaFileObject getSource() { |
|
949 return null; |
|
950 } |
|
951 |
|
952 @DefinedBy(Api.COMPILER) |
|
953 public long getPosition() { |
|
954 return Diagnostic.NOPOS; |
|
955 } |
|
956 |
|
957 @DefinedBy(Api.COMPILER) |
|
958 public long getStartPosition() { |
|
959 return Diagnostic.NOPOS; |
|
960 } |
|
961 |
|
962 @DefinedBy(Api.COMPILER) |
|
963 public long getEndPosition() { |
|
964 return Diagnostic.NOPOS; |
|
965 } |
|
966 |
|
967 @DefinedBy(Api.COMPILER) |
|
968 public long getLineNumber() { |
|
969 return Diagnostic.NOPOS; |
|
970 } |
|
971 |
|
972 @DefinedBy(Api.COMPILER) |
|
973 public long getColumnNumber() { |
|
974 return Diagnostic.NOPOS; |
|
975 } |
|
976 |
|
977 @DefinedBy(Api.COMPILER) |
|
978 public String getCode() { |
|
979 return key; |
|
980 } |
|
981 |
|
982 @DefinedBy(Api.COMPILER) |
|
983 public String getMessage(Locale locale) { |
|
984 return JavapTask.this.getMessage(locale, key, args); |
|
985 } |
|
986 |
|
987 @Override |
|
988 public String toString() { |
|
989 return getClass().getName() + "[key=" + key + ",args=" + Arrays.asList(args) + "]"; |
|
990 } |
|
991 |
|
992 }; |
|
993 |
|
994 } |
|
995 |
|
996 public String getMessage(String key, Object... args) { |
|
997 return getMessage(task_locale, key, args); |
|
998 } |
|
999 |
|
1000 public String getMessage(Locale locale, String key, Object... args) { |
|
1001 if (bundles == null) { |
|
1002 // could make this a HashMap<Locale,SoftReference<ResourceBundle>> |
|
1003 // and for efficiency, keep a hard reference to the bundle for the task |
|
1004 // locale |
|
1005 bundles = new HashMap<>(); |
|
1006 } |
|
1007 |
|
1008 if (locale == null) |
|
1009 locale = Locale.getDefault(); |
|
1010 |
|
1011 ResourceBundle b = bundles.get(locale); |
|
1012 if (b == null) { |
|
1013 try { |
|
1014 b = ResourceBundle.getBundle("com.sun.tools.javap.resources.javap", locale); |
|
1015 bundles.put(locale, b); |
|
1016 } catch (MissingResourceException e) { |
|
1017 throw new InternalError("Cannot find javap resource bundle for locale " + locale); |
|
1018 } |
|
1019 } |
|
1020 |
|
1021 try { |
|
1022 return MessageFormat.format(b.getString(key), args); |
|
1023 } catch (MissingResourceException e) { |
|
1024 throw new InternalError(e, key); |
|
1025 } |
|
1026 } |
|
1027 |
|
1028 protected Context context; |
|
1029 JavaFileManager fileManager; |
|
1030 JavaFileManager defaultFileManager; |
|
1031 PrintWriter log; |
|
1032 DiagnosticListener<? super JavaFileObject> diagnosticListener; |
|
1033 List<String> classes; |
|
1034 Options options; |
|
1035 //ResourceBundle bundle; |
|
1036 Locale task_locale; |
|
1037 Map<Locale, ResourceBundle> bundles; |
|
1038 protected Attribute.Factory attributeFactory; |
|
1039 |
|
1040 private static final String progname = "javap"; |
|
1041 |
|
1042 private static class SizeInputStream extends FilterInputStream { |
|
1043 SizeInputStream(InputStream in) { |
|
1044 super(in); |
|
1045 } |
|
1046 |
|
1047 int size() { |
|
1048 return size; |
|
1049 } |
|
1050 |
|
1051 @Override |
|
1052 public int read(byte[] buf, int offset, int length) throws IOException { |
|
1053 int n = super.read(buf, offset, length); |
|
1054 if (n > 0) |
|
1055 size += n; |
|
1056 return n; |
|
1057 } |
|
1058 |
|
1059 @Override |
|
1060 public int read() throws IOException { |
|
1061 int b = super.read(); |
|
1062 size += 1; |
|
1063 return b; |
|
1064 } |
|
1065 |
|
1066 private int size; |
|
1067 } |
|
1068 } |
|