1 /* |
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2 * Copyright 2002-2009 Sun Microsystems, Inc. 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. Sun designates this |
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8 * particular file as subject to the "Classpath" exception as provided |
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9 * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
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22 * CA 95054 USA or visit www.sun.com if you need additional information or |
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23 * have any questions. |
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24 */ |
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25 |
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26 |
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27 package sun.tools.javap; |
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28 |
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29 import java.util.*; |
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30 import java.io.*; |
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31 |
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32 import static sun.tools.javap.RuntimeConstants.*; |
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33 |
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34 /** |
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35 * Program to print information about class files |
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36 * |
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37 * @author Sucheta Dambalkar |
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38 */ |
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39 public class JavapPrinter { |
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40 JavapEnvironment env; |
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41 ClassData cls; |
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42 byte[] code; |
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43 String lP= ""; |
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44 PrintWriter out; |
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45 |
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46 public JavapPrinter(InputStream cname, PrintWriter out, JavapEnvironment env){ |
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47 this.out = out; |
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48 this.cls = new ClassData(cname); |
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49 this.env = env; |
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50 } |
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51 |
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52 /** |
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53 * Entry point to print class file information. |
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54 */ |
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55 public void print(){ |
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56 printclassHeader(); |
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57 printfields(); |
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58 printMethods(); |
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59 printend(); |
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60 } |
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61 |
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62 /** |
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63 * Print a description of the class (not members). |
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64 */ |
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65 public void printclassHeader(){ |
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66 String srcName=""; |
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67 if ((srcName = cls.getSourceName()) != "null") // requires debug info |
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68 out.println("Compiled from " + javaclassname(srcName)); |
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69 |
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70 if(cls.isInterface()) { |
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71 // The only useful access modifier of an interface is |
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72 // public; interfaces are always marked as abstract and |
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73 // cannot be final. |
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74 out.print((cls.isPublic()?"public ":"") + |
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75 "interface "+ javaclassname(cls.getClassName())); |
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76 } |
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77 else if(cls.isClass()) { |
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78 String []accflags = cls.getAccess(); |
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79 printAccess(accflags); |
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80 out.print("class "+ javaclassname(cls.getClassName())); |
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81 |
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82 if(cls.getSuperClassName() != null){ |
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83 out.print(" extends " + javaclassname(cls.getSuperClassName())); |
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84 } |
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85 } |
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86 |
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87 String []interfacelist = cls.getSuperInterfaces(); |
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88 if(interfacelist.length > 0){ |
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89 if(cls.isClass()) { |
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90 out.print(" implements "); |
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91 } |
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92 else if(cls.isInterface()){ |
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93 out.print(" extends "); |
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94 } |
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95 |
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96 for(int j = 0; j < interfacelist.length; j++){ |
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97 out.print(javaclassname(interfacelist[j])); |
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98 |
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99 if((j+1) < interfacelist.length) { |
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100 out.print(","); |
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101 } |
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102 } |
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103 } |
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104 |
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105 // Print class attribute information. |
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106 if((env.showallAttr) || (env.showVerbose)){ |
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107 printClassAttributes(); |
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108 } |
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109 // Print verbose output. |
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110 if(env.showVerbose){ |
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111 printverbosecls(); |
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112 } |
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113 out.println("{"); |
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114 } |
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115 |
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116 /** |
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117 * Print verbose output. |
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118 */ |
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119 public void printverbosecls(){ |
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120 out.println(" minor version: "+cls.getMinor_version()); |
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121 out.println(" major version: "+cls.getMajor_version()); |
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122 out.println(" Constant pool:"); |
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123 printcp(); |
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124 env.showallAttr = true; |
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125 } |
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126 |
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127 /** |
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128 * Print class attribute information. |
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129 */ |
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130 public void printClassAttributes(){ |
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131 out.println(); |
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132 AttrData[] clsattrs = cls.getAttributes(); |
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133 for(int i = 0; i < clsattrs.length; i++){ |
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134 String clsattrname = clsattrs[i].getAttrName(); |
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135 if(clsattrname.equals("SourceFile")){ |
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136 out.println(" SourceFile: "+ cls.getSourceName()); |
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137 }else if(clsattrname.equals("InnerClasses")){ |
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138 printInnerClasses(); |
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139 }else { |
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140 printAttrData(clsattrs[i]); |
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141 } |
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142 } |
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143 } |
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144 |
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145 /** |
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146 * Print the fields |
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147 */ |
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148 public void printfields(){ |
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149 FieldData[] fields = cls.getFields(); |
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150 for(int f = 0; f < fields.length; f++){ |
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151 String[] accflags = fields[f].getAccess(); |
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152 if(checkAccess(accflags)){ |
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153 if(!(env. showLineAndLocal || env.showDisassembled || env.showVerbose |
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154 || env.showInternalSigs || env.showallAttr)){ |
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155 out.print(" "); |
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156 } |
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157 printAccess(accflags); |
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158 out.println(fields[f].getType()+" " +fields[f].getName()+";"); |
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159 if (env.showInternalSigs) { |
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160 out.println(" Signature: " + (fields[f].getInternalSig())); |
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161 } |
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162 |
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163 // print field attribute information. |
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164 if (env.showallAttr){ |
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165 printFieldAttributes(fields[f]); |
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166 |
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167 } |
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168 if((env.showDisassembled) || (env.showLineAndLocal)){ |
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169 out.println(); |
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170 } |
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171 } |
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172 } |
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173 } |
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174 |
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175 |
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176 /* print field attribute information. */ |
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177 public void printFieldAttributes(FieldData field){ |
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178 Vector<?> fieldattrs = field.getAttributes(); |
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179 for(int j = 0; j < fieldattrs.size(); j++){ |
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180 String fieldattrname = ((AttrData)fieldattrs.elementAt(j)).getAttrName(); |
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181 if(fieldattrname.equals("ConstantValue")){ |
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182 printConstantValue(field); |
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183 }else if (fieldattrname.equals("Deprecated")){ |
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184 out.println("Deprecated: "+ field.isDeprecated()); |
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185 }else if (fieldattrname.equals("Synthetic")){ |
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186 out.println(" Synthetic: "+ field.isSynthetic()); |
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187 }else { |
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188 printAttrData((AttrData)fieldattrs.elementAt(j)); |
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189 } |
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190 } |
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191 out.println(); |
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192 } |
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193 |
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194 /** |
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195 * Print the methods |
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196 */ |
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197 public void printMethods(){ |
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198 MethodData[] methods = cls.getMethods(); |
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199 for(int m = 0; m < methods.length; m++){ |
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200 String[] accflags = methods[m].getAccess(); |
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201 if(checkAccess(accflags)){ |
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202 if(!(env. showLineAndLocal || env.showDisassembled || env.showVerbose |
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203 || env.showInternalSigs || env.showallAttr)){ |
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204 out.print(" "); |
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205 } |
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206 printMethodSignature(methods[m], accflags); |
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207 printExceptions(methods[m]); |
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208 out.println(";"); |
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209 |
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210 // Print internal signature of method. |
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211 if (env.showInternalSigs){ |
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212 out.println(" Signature: " + (methods[m].getInternalSig())); |
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213 } |
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214 |
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215 //Print disassembled code. |
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216 if(env.showDisassembled && ! env.showallAttr) { |
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217 printcodeSequence(methods[m]); |
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218 printExceptionTable(methods[m]); |
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219 out.println(); |
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220 } |
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221 |
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222 // Print line and local variable attribute information. |
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223 if (env.showLineAndLocal) { |
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224 printLineNumTable(methods[m]); |
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225 printLocVarTable(methods[m]); |
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226 out.println(); |
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227 } |
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228 |
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229 // Print method attribute information. |
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230 if (env.showallAttr){ |
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231 printMethodAttributes(methods[m]); |
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232 } |
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233 } |
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234 } |
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235 } |
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236 |
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237 /** |
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238 * Print method signature. |
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239 */ |
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240 public void printMethodSignature(MethodData method, String[] accflags){ |
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241 printAccess(accflags); |
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242 |
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243 if((method.getName()).equals("<init>")){ |
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244 out.print(javaclassname(cls.getClassName())); |
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245 out.print(method.getParameters()); |
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246 }else if((method.getName()).equals("<clinit>")){ |
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247 out.print("{}"); |
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248 }else{ |
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249 out.print(method.getReturnType()+" "); |
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250 out.print(method.getName()); |
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251 out.print(method.getParameters()); |
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252 } |
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253 } |
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254 |
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255 /** |
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256 * print method attribute information. |
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257 */ |
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258 public void printMethodAttributes(MethodData method){ |
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259 Vector<?> methodattrs = method.getAttributes(); |
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260 Vector<?> codeattrs = method.getCodeAttributes(); |
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261 for(int k = 0; k < methodattrs.size(); k++){ |
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262 String methodattrname = ((AttrData)methodattrs.elementAt(k)).getAttrName(); |
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263 if(methodattrname.equals("Code")){ |
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264 printcodeSequence(method); |
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265 printExceptionTable(method); |
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266 for(int c = 0; c < codeattrs.size(); c++){ |
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267 String codeattrname = ((AttrData)codeattrs.elementAt(c)).getAttrName(); |
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268 if(codeattrname.equals("LineNumberTable")){ |
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269 printLineNumTable(method); |
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270 }else if(codeattrname.equals("LocalVariableTable")){ |
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271 printLocVarTable(method); |
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272 }else if(codeattrname.equals("StackMapTable")) { |
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273 // Java SE JSR 202 stack map tables |
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274 printStackMapTable(method); |
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275 }else if(codeattrname.equals("StackMap")) { |
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276 // Java ME CLDC stack maps |
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277 printStackMap(method); |
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278 } else { |
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279 printAttrData((AttrData)codeattrs.elementAt(c)); |
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280 } |
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281 } |
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282 }else if(methodattrname.equals("Exceptions")){ |
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283 out.println(" Exceptions: "); |
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284 printExceptions(method); |
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285 }else if (methodattrname.equals("Deprecated")){ |
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286 out.println(" Deprecated: "+ method.isDeprecated()); |
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287 }else if (methodattrname.equals("Synthetic")){ |
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288 out.println(" Synthetic: "+ method.isSynthetic()); |
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289 }else { |
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290 printAttrData((AttrData)methodattrs.elementAt(k)); |
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291 } |
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292 } |
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293 out.println(); |
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294 } |
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295 |
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296 /** |
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297 * Print exceptions. |
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298 */ |
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299 public void printExceptions(MethodData method){ |
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300 int []exc_index_table = method.get_exc_index_table(); |
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301 if (exc_index_table != null) { |
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302 if(!(env. showLineAndLocal || env.showDisassembled || env.showVerbose |
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303 || env.showInternalSigs || env.showallAttr)){ |
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304 out.print(" "); |
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305 } |
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306 out.print(" throws "); |
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307 int k; |
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308 int l = exc_index_table.length; |
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309 |
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310 for (k=0; k<l; k++) { |
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311 out.print(javaclassname(cls.getClassName(exc_index_table[k]))); |
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312 if (k<l-1) out.print(", "); |
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313 } |
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314 } |
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315 } |
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316 |
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317 /** |
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318 * Print code sequence. |
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319 */ |
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320 public void printcodeSequence(MethodData method){ |
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321 code = method.getCode(); |
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322 if(code != null){ |
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323 out.println(" Code:"); |
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324 if(env.showVerbose){ |
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325 printVerboseHeader(method); |
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326 } |
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327 |
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328 for (int pc=0; pc < code.length; ) { |
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329 out.print(" "+pc+":\t"); |
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330 pc=pc+printInstr(pc); |
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331 out.println(); |
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332 } |
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333 } |
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334 } |
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335 |
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336 /** |
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337 * Print instructions. |
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338 */ |
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339 public int printInstr(int pc){ |
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340 int opcode = getUbyte(pc); |
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341 int opcode2; |
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342 String mnem; |
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343 switch (opcode) { |
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344 case opc_nonpriv: |
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345 case opc_priv: |
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346 opcode2 = getUbyte(pc+1); |
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347 mnem=Tables.opcName((opcode<<8)+opcode2); |
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348 if (mnem==null) |
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349 // assume all (even nonexistent) priv and nonpriv instructions |
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350 // are 2 bytes long |
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351 mnem=Tables.opcName(opcode)+" "+opcode2; |
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352 out.print(mnem); |
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353 return 2; |
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354 case opc_wide: { |
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355 opcode2 = getUbyte(pc+1); |
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356 mnem=Tables.opcName((opcode<<8)+opcode2); |
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357 if (mnem==null) { |
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358 // nonexistent opcode - but we have to print something |
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359 out.print("bytecode "+opcode); |
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360 return 1; |
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361 } |
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362 out.print(mnem+" "+getUShort(pc+2)); |
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363 if (opcode2==opc_iinc) { |
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364 out.print(", "+getShort(pc+4)); |
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365 return 6; |
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366 } |
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367 return 4; |
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368 } |
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369 } |
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370 mnem=Tables.opcName(opcode); |
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371 if (mnem==null) { |
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372 // nonexistent opcode - but we have to print something |
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373 out.print("bytecode "+opcode); |
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374 return 1; |
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375 } |
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376 if (opcode>opc_jsr_w) { |
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377 // pseudo opcodes should be printed as bytecodes |
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378 out.print("bytecode "+opcode); |
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379 return 1; |
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380 } |
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381 out.print(Tables.opcName(opcode)); |
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382 switch (opcode) { |
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383 case opc_aload: case opc_astore: |
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384 case opc_fload: case opc_fstore: |
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385 case opc_iload: case opc_istore: |
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386 case opc_lload: case opc_lstore: |
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387 case opc_dload: case opc_dstore: |
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388 case opc_ret: |
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389 out.print("\t"+getUbyte(pc+1)); |
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390 return 2; |
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391 case opc_iinc: |
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392 out.print("\t"+getUbyte(pc+1)+", "+getbyte(pc+2)); |
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393 return 3; |
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394 case opc_tableswitch:{ |
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395 int tb=align(pc+1); |
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396 int default_skip = getInt(tb); /* default skip pamount */ |
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397 int low = getInt(tb+4); |
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398 int high = getInt(tb+8); |
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399 int count = high - low; |
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400 out.print("{ //"+low+" to "+high); |
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401 for (int i = 0; i <= count; i++) |
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402 out.print( "\n\t\t" + (i+low) + ": "+lP+(pc+getInt(tb+12+4*i))+";"); |
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403 out.print("\n\t\tdefault: "+lP+(default_skip + pc) + " }"); |
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404 return tb-pc+16+count*4; |
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405 } |
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406 |
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407 case opc_lookupswitch:{ |
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408 int tb=align(pc+1); |
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409 int default_skip = getInt(tb); |
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410 int npairs = getInt(tb+4); |
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411 out.print("{ //"+npairs); |
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412 for (int i = 1; i <= npairs; i++) |
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413 out.print("\n\t\t"+getInt(tb+i*8) |
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414 +": "+lP+(pc+getInt(tb+4+i*8))+";" |
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415 ); |
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416 out.print("\n\t\tdefault: "+lP+(default_skip + pc) + " }"); |
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417 return tb-pc+(npairs+1)*8; |
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418 } |
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419 case opc_newarray: |
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420 int type=getUbyte(pc+1); |
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421 switch (type) { |
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422 case T_BOOLEAN:out.print(" boolean");break; |
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423 case T_BYTE: out.print(" byte"); break; |
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424 case T_CHAR: out.print(" char"); break; |
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425 case T_SHORT: out.print(" short"); break; |
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426 case T_INT: out.print(" int"); break; |
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427 case T_LONG: out.print(" long"); break; |
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428 case T_FLOAT: out.print(" float"); break; |
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429 case T_DOUBLE: out.print(" double"); break; |
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430 case T_CLASS: out.print(" class"); break; |
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431 default: out.print(" BOGUS TYPE:"+type); |
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432 } |
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433 return 2; |
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434 |
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435 case opc_anewarray: { |
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436 int index = getUShort(pc+1); |
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437 out.print("\t#"+index+"; //"); |
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438 PrintConstant(index); |
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439 return 3; |
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440 } |
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441 |
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442 case opc_sipush: |
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443 out.print("\t"+getShort(pc+1)); |
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444 return 3; |
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445 |
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446 case opc_bipush: |
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447 out.print("\t"+getbyte(pc+1)); |
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448 return 2; |
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449 |
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450 case opc_ldc: { |
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451 int index = getUbyte(pc+1); |
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452 out.print("\t#"+index+"; //"); |
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453 PrintConstant(index); |
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454 return 2; |
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455 } |
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456 |
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457 case opc_ldc_w: case opc_ldc2_w: |
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458 case opc_instanceof: case opc_checkcast: |
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459 case opc_new: |
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460 case opc_putstatic: case opc_getstatic: |
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461 case opc_putfield: case opc_getfield: |
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462 case opc_invokevirtual: |
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463 case opc_invokespecial: |
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464 case opc_invokestatic: { |
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465 int index = getUShort(pc+1); |
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466 out.print("\t#"+index+"; //"); |
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467 PrintConstant(index); |
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468 return 3; |
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469 } |
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470 |
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471 case opc_invokeinterface: { |
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472 int index = getUShort(pc+1), nargs=getUbyte(pc+3); |
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473 out.print("\t#"+index+", "+nargs+"; //"); |
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474 PrintConstant(index); |
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475 return 5; |
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476 } |
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477 |
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478 case opc_invokedynamic: { |
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479 int index = getUShort(pc+1); |
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480 out.print("\t#"+index+"; //"); |
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481 PrintConstant(index); |
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482 return 5; |
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483 } |
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484 |
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485 case opc_multianewarray: { |
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486 int index = getUShort(pc+1), dimensions=getUbyte(pc+3); |
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487 out.print("\t#"+index+", "+dimensions+"; //"); |
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488 PrintConstant(index); |
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489 return 4; |
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490 } |
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491 case opc_jsr: case opc_goto: |
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492 case opc_ifeq: case opc_ifge: case opc_ifgt: |
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493 case opc_ifle: case opc_iflt: case opc_ifne: |
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494 case opc_if_icmpeq: case opc_if_icmpne: case opc_if_icmpge: |
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495 case opc_if_icmpgt: case opc_if_icmple: case opc_if_icmplt: |
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496 case opc_if_acmpeq: case opc_if_acmpne: |
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497 case opc_ifnull: case opc_ifnonnull: |
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498 out.print("\t"+lP+(pc + getShort(pc+1)) ); |
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499 return 3; |
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500 |
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501 case opc_jsr_w: |
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502 case opc_goto_w: |
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503 out.print("\t"+lP+(pc + getInt(pc+1))); |
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504 return 5; |
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505 |
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506 default: |
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507 return 1; |
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508 } |
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509 } |
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510 /** |
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511 * Print code attribute details. |
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512 */ |
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513 public void printVerboseHeader(MethodData method) { |
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514 int argCount = method.getArgumentlength(); |
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515 if (!method.isStatic()) |
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516 ++argCount; // for 'this' |
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517 |
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518 out.println(" Stack=" + method.getMaxStack() |
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519 + ", Locals=" + method.getMaxLocals() |
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520 + ", Args_size=" + argCount); |
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521 |
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522 } |
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523 |
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524 |
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525 /** |
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526 * Print the exception table for this method code |
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527 */ |
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528 void printExceptionTable(MethodData method){//throws IOException |
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529 Vector<?> exception_table = method.getexception_table(); |
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530 if (exception_table.size() > 0) { |
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531 out.println(" Exception table:"); |
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532 out.println(" from to target type"); |
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533 for (int idx = 0; idx < exception_table.size(); ++idx) { |
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534 TrapData handler = (TrapData)exception_table.elementAt(idx); |
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535 printFixedWidthInt(handler.start_pc, 6); |
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536 printFixedWidthInt(handler.end_pc, 6); |
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537 printFixedWidthInt(handler.handler_pc, 6); |
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538 out.print(" "); |
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539 int catch_cpx = handler.catch_cpx; |
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540 if (catch_cpx == 0) { |
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541 out.println("any"); |
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542 }else { |
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543 out.print("Class "); |
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544 out.println(cls.getClassName(catch_cpx)); |
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545 out.println(""); |
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546 } |
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547 } |
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548 } |
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549 } |
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550 |
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551 /** |
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552 * Print LineNumberTable attribute information. |
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553 */ |
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554 public void printLineNumTable(MethodData method) { |
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555 int numlines = method.getnumlines(); |
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556 Vector<?> lin_num_tb = method.getlin_num_tb(); |
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557 if( lin_num_tb.size() > 0){ |
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558 out.println(" LineNumberTable: "); |
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559 for (int i=0; i<numlines; i++) { |
|
560 LineNumData linnumtb_entry=(LineNumData)lin_num_tb.elementAt(i); |
|
561 out.println(" line " + linnumtb_entry.line_number + ": " |
|
562 + linnumtb_entry.start_pc); |
|
563 } |
|
564 } |
|
565 out.println(); |
|
566 } |
|
567 |
|
568 /** |
|
569 * Print LocalVariableTable attribute information. |
|
570 */ |
|
571 public void printLocVarTable(MethodData method){ |
|
572 int siz = method.getloc_var_tbsize(); |
|
573 if(siz > 0){ |
|
574 out.println(" LocalVariableTable: "); |
|
575 out.print(" "); |
|
576 out.println("Start Length Slot Name Signature"); |
|
577 } |
|
578 Vector<?> loc_var_tb = method.getloc_var_tb(); |
|
579 |
|
580 for (int i=0; i<siz; i++) { |
|
581 LocVarData entry=(LocVarData)loc_var_tb.elementAt(i); |
|
582 |
|
583 out.println(" "+entry.start_pc+" "+entry.length+" "+ |
|
584 entry.slot+" "+cls.StringValue(entry.name_cpx) + |
|
585 " "+cls.StringValue(entry.sig_cpx)); |
|
586 } |
|
587 out.println(); |
|
588 } |
|
589 |
|
590 /** |
|
591 * Print StackMap attribute information. |
|
592 */ |
|
593 public void printStackMap(MethodData method) { |
|
594 StackMapData[] stack_map_tb = method.getStackMap(); |
|
595 int number_of_entries = stack_map_tb.length; |
|
596 if (number_of_entries > 0) { |
|
597 out.println(" StackMap: number_of_entries = " + number_of_entries); |
|
598 |
|
599 for (StackMapData frame : stack_map_tb) { |
|
600 frame.print(this); |
|
601 } |
|
602 } |
|
603 out.println(); |
|
604 } |
|
605 |
|
606 /** |
|
607 * Print StackMapTable attribute information. |
|
608 */ |
|
609 public void printStackMapTable(MethodData method) { |
|
610 StackMapTableData[] stack_map_tb = method.getStackMapTable(); |
|
611 int number_of_entries = stack_map_tb.length; |
|
612 if (number_of_entries > 0) { |
|
613 out.println(" StackMapTable: number_of_entries = " + number_of_entries); |
|
614 |
|
615 for (StackMapTableData frame : stack_map_tb) { |
|
616 frame.print(this); |
|
617 } |
|
618 } |
|
619 out.println(); |
|
620 } |
|
621 |
|
622 void printMap(String name, int[] map) { |
|
623 out.print(name); |
|
624 for (int i=0; i<map.length; i++) { |
|
625 int fulltype = map[i]; |
|
626 int type = fulltype & 0xFF; |
|
627 int argument = fulltype >> 8; |
|
628 switch (type) { |
|
629 case ITEM_Object: |
|
630 out.print(" "); |
|
631 PrintConstant(argument); |
|
632 break; |
|
633 case ITEM_NewObject: |
|
634 out.print(" " + Tables.mapTypeName(type)); |
|
635 out.print(" " + argument); |
|
636 break; |
|
637 default: |
|
638 out.print(" " + Tables.mapTypeName(type)); |
|
639 } |
|
640 out.print( (i==(map.length-1)? ' ' : ',')); |
|
641 } |
|
642 out.println("]"); |
|
643 } |
|
644 |
|
645 /** |
|
646 * Print ConstantValue attribute information. |
|
647 */ |
|
648 public void printConstantValue(FieldData field){ |
|
649 out.print(" Constant value: "); |
|
650 int cpx = (field.getConstantValueIndex()); |
|
651 byte tag=0; |
|
652 try { |
|
653 tag=cls.getTag(cpx); |
|
654 |
|
655 } catch (IndexOutOfBoundsException e) { |
|
656 out.print("Error:"); |
|
657 return; |
|
658 } |
|
659 switch (tag) { |
|
660 case CONSTANT_METHOD: |
|
661 case CONSTANT_INTERFACEMETHOD: |
|
662 case CONSTANT_FIELD: { |
|
663 CPX2 x = cls.getCpoolEntry(cpx); |
|
664 if (x.cpx1 == cls.getthis_cpx()) { |
|
665 // don't print class part for local references |
|
666 cpx=x.cpx2; |
|
667 } |
|
668 } |
|
669 } |
|
670 out.print(cls.TagString(tag)+" "+ cls.StringValue(cpx)); |
|
671 } |
|
672 |
|
673 /** |
|
674 * Print InnerClass attribute information. |
|
675 */ |
|
676 public void printInnerClasses(){//throws ioexception |
|
677 |
|
678 InnerClassData[] innerClasses = cls.getInnerClasses(); |
|
679 if(innerClasses != null){ |
|
680 if(innerClasses.length > 0){ |
|
681 out.print(" "); |
|
682 out.println("InnerClass: "); |
|
683 for(int i = 0 ; i < innerClasses.length; i++){ |
|
684 out.print(" "); |
|
685 //access |
|
686 String[] accflags = innerClasses[i].getAccess(); |
|
687 if(checkAccess(accflags)){ |
|
688 printAccess(accflags); |
|
689 if (innerClasses[i].inner_name_index!=0) { |
|
690 out.print("#"+innerClasses[i].inner_name_index+"= "); |
|
691 } |
|
692 out.print("#"+innerClasses[i].inner_class_info_index); |
|
693 if (innerClasses[i].outer_class_info_index!=0) { |
|
694 out.print(" of #"+innerClasses[i].outer_class_info_index); |
|
695 } |
|
696 out.print("; //"); |
|
697 if (innerClasses[i].inner_name_index!=0) { |
|
698 out.print(cls.getName(innerClasses[i].inner_name_index)+"="); |
|
699 } |
|
700 PrintConstant(innerClasses[i].inner_class_info_index); |
|
701 if (innerClasses[i].outer_class_info_index!=0) { |
|
702 out.print(" of "); |
|
703 PrintConstant(innerClasses[i].outer_class_info_index); |
|
704 } |
|
705 out.println(); |
|
706 } |
|
707 } |
|
708 |
|
709 } |
|
710 } |
|
711 } |
|
712 |
|
713 /** |
|
714 * Print constant pool information. |
|
715 */ |
|
716 public void printcp(){ |
|
717 int cpx = 1 ; |
|
718 |
|
719 while (cpx < cls.getCpoolCount()) { |
|
720 out.print("const #"+cpx+" = "); |
|
721 cpx+=PrintlnConstantEntry(cpx); |
|
722 } |
|
723 out.println(); |
|
724 } |
|
725 |
|
726 /** |
|
727 * Print constant pool entry information. |
|
728 */ |
|
729 @SuppressWarnings("fallthrough") |
|
730 public int PrintlnConstantEntry(int cpx) { |
|
731 int size=1; |
|
732 byte tag=0; |
|
733 try { |
|
734 tag=cls.getTag(cpx); |
|
735 } catch (IndexOutOfBoundsException e) { |
|
736 out.println(" <Incorrect CP index>"); |
|
737 return 1; |
|
738 } |
|
739 out.print(cls.StringTag(cpx)+"\t"); |
|
740 Object x=cls.getCpoolEntryobj(cpx); |
|
741 if (x==null) { |
|
742 switch (tag) { |
|
743 case CONSTANT_LONG: |
|
744 case CONSTANT_DOUBLE: |
|
745 size=2; |
|
746 } |
|
747 out.println("null;"); |
|
748 return size; |
|
749 } |
|
750 String str=cls.StringValue(cpx); |
|
751 |
|
752 switch (tag) { |
|
753 case CONSTANT_CLASS: |
|
754 case CONSTANT_STRING: |
|
755 out.println("#"+(((CPX)x).cpx)+";\t// "+str); |
|
756 break; |
|
757 case CONSTANT_FIELD: |
|
758 case CONSTANT_METHOD: |
|
759 case CONSTANT_INTERFACEMETHOD: |
|
760 out.println("#"+((CPX2)x).cpx1+".#"+((CPX2)x).cpx2+";\t// "+str); |
|
761 break; |
|
762 case CONSTANT_NAMEANDTYPE: |
|
763 out.println("#"+((CPX2)x).cpx1+":#"+((CPX2)x).cpx2+";// "+str); |
|
764 break; |
|
765 case CONSTANT_LONG: |
|
766 case CONSTANT_DOUBLE: |
|
767 size=2; |
|
768 // fall through |
|
769 default: |
|
770 out.println(str+";"); |
|
771 } |
|
772 return size; |
|
773 } |
|
774 |
|
775 /** |
|
776 * Checks access of class, field or method. |
|
777 */ |
|
778 public boolean checkAccess(String accflags[]){ |
|
779 |
|
780 boolean ispublic = false; |
|
781 boolean isprotected = false; |
|
782 boolean isprivate = false; |
|
783 boolean ispackage = false; |
|
784 |
|
785 for(int i= 0; i < accflags.length; i++){ |
|
786 if(accflags[i].equals("public")) ispublic = true; |
|
787 else if (accflags[i].equals("protected")) isprotected = true; |
|
788 else if (accflags[i].equals("private")) isprivate = true; |
|
789 } |
|
790 |
|
791 if(!(ispublic || isprotected || isprivate)) ispackage = true; |
|
792 |
|
793 if((env.showAccess == env.PUBLIC) && (isprotected || isprivate || ispackage)) return false; |
|
794 else if((env.showAccess == env.PROTECTED) && (isprivate || ispackage)) return false; |
|
795 else if((env.showAccess == env.PACKAGE) && (isprivate)) return false; |
|
796 else return true; |
|
797 } |
|
798 |
|
799 /** |
|
800 * Prints access of class, field or method. |
|
801 */ |
|
802 public void printAccess(String []accflags){ |
|
803 for(int j = 0; j < accflags.length; j++){ |
|
804 out.print(accflags[j]+" "); |
|
805 } |
|
806 } |
|
807 |
|
808 /** |
|
809 * Print an integer so that it takes 'length' characters in |
|
810 * the output. Temporary until formatting code is stable. |
|
811 */ |
|
812 public void printFixedWidthInt(long x, int length) { |
|
813 CharArrayWriter baStream = new CharArrayWriter(); |
|
814 PrintWriter pStream = new PrintWriter(baStream); |
|
815 pStream.print(x); |
|
816 String str = baStream.toString(); |
|
817 for (int cnt = length - str.length(); cnt > 0; --cnt) |
|
818 out.print(' '); |
|
819 out.print(str); |
|
820 } |
|
821 |
|
822 protected int getbyte (int pc) { |
|
823 return code[pc]; |
|
824 } |
|
825 |
|
826 protected int getUbyte (int pc) { |
|
827 return code[pc]&0xFF; |
|
828 } |
|
829 |
|
830 int getShort (int pc) { |
|
831 return (code[pc]<<8) | (code[pc+1]&0xFF); |
|
832 } |
|
833 |
|
834 int getUShort (int pc) { |
|
835 return ((code[pc]<<8) | (code[pc+1]&0xFF))&0xFFFF; |
|
836 } |
|
837 |
|
838 protected int getInt (int pc) { |
|
839 return (getShort(pc)<<16) | (getShort(pc+2)&0xFFFF); |
|
840 } |
|
841 |
|
842 /** |
|
843 * Print constant value at that index. |
|
844 */ |
|
845 void PrintConstant(int cpx) { |
|
846 if (cpx==0) { |
|
847 out.print("#0"); |
|
848 return; |
|
849 } |
|
850 byte tag=0; |
|
851 try { |
|
852 tag=cls.getTag(cpx); |
|
853 |
|
854 } catch (IndexOutOfBoundsException e) { |
|
855 out.print("#"+cpx); |
|
856 return; |
|
857 } |
|
858 switch (tag) { |
|
859 case CONSTANT_METHOD: |
|
860 case CONSTANT_INTERFACEMETHOD: |
|
861 case CONSTANT_FIELD: { |
|
862 // CPX2 x=(CPX2)(cpool[cpx]); |
|
863 CPX2 x = cls.getCpoolEntry(cpx); |
|
864 if (x.cpx1 == cls.getthis_cpx()) { |
|
865 // don't print class part for local references |
|
866 cpx=x.cpx2; |
|
867 } |
|
868 } |
|
869 } |
|
870 out.print(cls.TagString(tag)+" "+ cls.StringValue(cpx)); |
|
871 } |
|
872 |
|
873 protected static int align (int n) { |
|
874 return (n+3) & ~3 ; |
|
875 } |
|
876 |
|
877 public void printend(){ |
|
878 out.println("}"); |
|
879 out.println(); |
|
880 } |
|
881 |
|
882 public String javaclassname(String name){ |
|
883 return name.replace('/','.'); |
|
884 } |
|
885 |
|
886 /** |
|
887 * Print attribute data in hex. |
|
888 */ |
|
889 public void printAttrData(AttrData attr){ |
|
890 byte []data = attr.getData(); |
|
891 int i = 0; |
|
892 int j = 0; |
|
893 out.print(" "+attr.getAttrName()+": "); |
|
894 out.println("length = " + cls.toHex(attr.datalen)); |
|
895 |
|
896 out.print(" "); |
|
897 |
|
898 |
|
899 while (i < data.length){ |
|
900 String databytestring = cls.toHex(data[i]); |
|
901 if(databytestring.equals("0x")) out.print("00"); |
|
902 else if(databytestring.substring(2).length() == 1){ |
|
903 out.print("0"+databytestring.substring(2)); |
|
904 } else{ |
|
905 out.print(databytestring.substring(2)); |
|
906 } |
|
907 |
|
908 j++; |
|
909 if(j == 16) { |
|
910 out.println(); |
|
911 out.print(" "); |
|
912 j = 0; |
|
913 } |
|
914 else out.print(" "); |
|
915 i++; |
|
916 } |
|
917 out.println(); |
|
918 } |
|
919 } |
|