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.util.Formatter; |
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29 |
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30 import com.sun.tools.classfile.AccessFlags; |
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31 import com.sun.tools.classfile.AnnotationDefault_attribute; |
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32 import com.sun.tools.classfile.Attribute; |
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33 import com.sun.tools.classfile.Attributes; |
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34 import com.sun.tools.classfile.BootstrapMethods_attribute; |
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35 import com.sun.tools.classfile.CharacterRangeTable_attribute; |
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36 import com.sun.tools.classfile.Code_attribute; |
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37 import com.sun.tools.classfile.CompilationID_attribute; |
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38 import com.sun.tools.classfile.ConstantPool; |
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39 import com.sun.tools.classfile.ConstantPoolException; |
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40 import com.sun.tools.classfile.ConstantValue_attribute; |
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41 import com.sun.tools.classfile.DefaultAttribute; |
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42 import com.sun.tools.classfile.Deprecated_attribute; |
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43 import com.sun.tools.classfile.EnclosingMethod_attribute; |
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44 import com.sun.tools.classfile.Exceptions_attribute; |
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45 import com.sun.tools.classfile.InnerClasses_attribute; |
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46 import com.sun.tools.classfile.LineNumberTable_attribute; |
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47 import com.sun.tools.classfile.LocalVariableTable_attribute; |
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48 import com.sun.tools.classfile.LocalVariableTypeTable_attribute; |
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49 import com.sun.tools.classfile.MethodParameters_attribute; |
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50 import com.sun.tools.classfile.RuntimeInvisibleAnnotations_attribute; |
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51 import com.sun.tools.classfile.RuntimeInvisibleParameterAnnotations_attribute; |
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52 import com.sun.tools.classfile.RuntimeInvisibleTypeAnnotations_attribute; |
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53 import com.sun.tools.classfile.RuntimeVisibleAnnotations_attribute; |
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54 import com.sun.tools.classfile.RuntimeVisibleParameterAnnotations_attribute; |
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55 import com.sun.tools.classfile.RuntimeVisibleTypeAnnotations_attribute; |
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56 import com.sun.tools.classfile.Signature_attribute; |
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57 import com.sun.tools.classfile.SourceDebugExtension_attribute; |
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58 import com.sun.tools.classfile.SourceFile_attribute; |
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59 import com.sun.tools.classfile.SourceID_attribute; |
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60 import com.sun.tools.classfile.StackMapTable_attribute; |
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61 import com.sun.tools.classfile.StackMap_attribute; |
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62 import com.sun.tools.classfile.Synthetic_attribute; |
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63 |
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64 import static com.sun.tools.classfile.AccessFlags.*; |
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65 |
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66 import com.sun.tools.javac.util.Assert; |
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67 import com.sun.tools.javac.util.StringUtils; |
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68 |
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69 /* |
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70 * A writer for writing Attributes as text. |
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71 * |
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72 * <p><b>This is NOT part of any supported API. |
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73 * If you write code that depends on this, you do so at your own risk. |
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74 * This code and its internal interfaces are subject to change or |
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75 * deletion without notice.</b> |
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76 */ |
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77 public class AttributeWriter extends BasicWriter |
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78 implements Attribute.Visitor<Void,Void> |
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79 { |
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80 public static AttributeWriter instance(Context context) { |
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81 AttributeWriter instance = context.get(AttributeWriter.class); |
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82 if (instance == null) |
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83 instance = new AttributeWriter(context); |
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84 return instance; |
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85 } |
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86 |
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87 protected AttributeWriter(Context context) { |
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88 super(context); |
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89 context.put(AttributeWriter.class, this); |
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90 annotationWriter = AnnotationWriter.instance(context); |
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91 codeWriter = CodeWriter.instance(context); |
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92 constantWriter = ConstantWriter.instance(context); |
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93 options = Options.instance(context); |
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94 } |
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95 |
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96 public void write(Object owner, Attribute attr, ConstantPool constant_pool) { |
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97 if (attr != null) { |
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98 Assert.checkNonNull(constant_pool); |
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99 Assert.checkNonNull(owner); |
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100 this.constant_pool = constant_pool; |
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101 this.owner = owner; |
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102 attr.accept(this, null); |
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103 } |
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104 } |
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105 |
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106 public void write(Object owner, Attributes attrs, ConstantPool constant_pool) { |
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107 if (attrs != null) { |
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108 Assert.checkNonNull(constant_pool); |
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109 Assert.checkNonNull(owner); |
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110 this.constant_pool = constant_pool; |
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111 this.owner = owner; |
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112 for (Attribute attr: attrs) |
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113 attr.accept(this, null); |
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114 } |
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115 } |
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116 |
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117 public Void visitDefault(DefaultAttribute attr, Void ignore) { |
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118 if (attr.reason != null) { |
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119 report(attr.reason); |
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120 } |
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121 byte[] data = attr.info; |
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122 int i = 0; |
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123 int j = 0; |
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124 print(" "); |
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125 try { |
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126 print(attr.getName(constant_pool)); |
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127 } catch (ConstantPoolException e) { |
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128 report(e); |
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129 print("attribute name = #" + attr.attribute_name_index); |
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130 } |
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131 print(": "); |
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132 println("length = 0x" + toHex(attr.info.length)); |
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133 |
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134 print(" "); |
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135 |
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136 while (i < data.length) { |
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137 print(toHex(data[i], 2)); |
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138 |
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139 j++; |
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140 if (j == 16) { |
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141 println(); |
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142 print(" "); |
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143 j = 0; |
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144 } else { |
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145 print(" "); |
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146 } |
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147 i++; |
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148 } |
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149 println(); |
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150 return null; |
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151 } |
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152 |
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153 public Void visitAnnotationDefault(AnnotationDefault_attribute attr, Void ignore) { |
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154 println("AnnotationDefault:"); |
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155 indent(+1); |
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156 print("default_value: "); |
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157 annotationWriter.write(attr.default_value); |
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158 indent(-1); |
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159 return null; |
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160 } |
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161 |
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162 public Void visitBootstrapMethods(BootstrapMethods_attribute attr, Void p) { |
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163 println(Attribute.BootstrapMethods + ":"); |
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164 for (int i = 0; i < attr.bootstrap_method_specifiers.length ; i++) { |
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165 BootstrapMethods_attribute.BootstrapMethodSpecifier bsm = attr.bootstrap_method_specifiers[i]; |
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166 indent(+1); |
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167 print(i + ": #" + bsm.bootstrap_method_ref + " "); |
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168 println(constantWriter.stringValue(bsm.bootstrap_method_ref)); |
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169 indent(+1); |
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170 println("Method arguments:"); |
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171 indent(+1); |
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172 for (int j = 0; j < bsm.bootstrap_arguments.length; j++) { |
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173 print("#" + bsm.bootstrap_arguments[j] + " "); |
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174 println(constantWriter.stringValue(bsm.bootstrap_arguments[j])); |
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175 } |
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176 indent(-3); |
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177 } |
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178 return null; |
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179 } |
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180 |
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181 public Void visitCharacterRangeTable(CharacterRangeTable_attribute attr, Void ignore) { |
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182 println("CharacterRangeTable:"); |
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183 indent(+1); |
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184 for (int i = 0; i < attr.character_range_table.length; i++) { |
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185 CharacterRangeTable_attribute.Entry e = attr.character_range_table[i]; |
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186 print(String.format(" %2d, %2d, %6x, %6x, %4x", |
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187 e.start_pc, e.end_pc, |
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188 e.character_range_start, e.character_range_end, |
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189 e.flags)); |
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190 tab(); |
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191 print(String.format("// %2d, %2d, %4d:%02d, %4d:%02d", |
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192 e.start_pc, e.end_pc, |
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193 (e.character_range_start >> 10), (e.character_range_start & 0x3ff), |
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194 (e.character_range_end >> 10), (e.character_range_end & 0x3ff))); |
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195 if ((e.flags & CharacterRangeTable_attribute.CRT_STATEMENT) != 0) |
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196 print(", statement"); |
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197 if ((e.flags & CharacterRangeTable_attribute.CRT_BLOCK) != 0) |
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198 print(", block"); |
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199 if ((e.flags & CharacterRangeTable_attribute.CRT_ASSIGNMENT) != 0) |
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200 print(", assignment"); |
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201 if ((e.flags & CharacterRangeTable_attribute.CRT_FLOW_CONTROLLER) != 0) |
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202 print(", flow-controller"); |
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203 if ((e.flags & CharacterRangeTable_attribute.CRT_FLOW_TARGET) != 0) |
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204 print(", flow-target"); |
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205 if ((e.flags & CharacterRangeTable_attribute.CRT_INVOKE) != 0) |
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206 print(", invoke"); |
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207 if ((e.flags & CharacterRangeTable_attribute.CRT_CREATE) != 0) |
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208 print(", create"); |
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209 if ((e.flags & CharacterRangeTable_attribute.CRT_BRANCH_TRUE) != 0) |
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210 print(", branch-true"); |
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211 if ((e.flags & CharacterRangeTable_attribute.CRT_BRANCH_FALSE) != 0) |
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212 print(", branch-false"); |
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213 println(); |
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214 } |
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215 indent(-1); |
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216 return null; |
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217 } |
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218 |
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219 public Void visitCode(Code_attribute attr, Void ignore) { |
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220 codeWriter.write(attr, constant_pool); |
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221 return null; |
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222 } |
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223 |
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224 public Void visitCompilationID(CompilationID_attribute attr, Void ignore) { |
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225 constantWriter.write(attr.compilationID_index); |
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226 return null; |
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227 } |
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228 |
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229 public Void visitConstantValue(ConstantValue_attribute attr, Void ignore) { |
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230 print("ConstantValue: "); |
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231 constantWriter.write(attr.constantvalue_index); |
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232 println(); |
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233 return null; |
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234 } |
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235 |
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236 public Void visitDeprecated(Deprecated_attribute attr, Void ignore) { |
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237 println("Deprecated: true"); |
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238 return null; |
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239 } |
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240 |
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241 public Void visitEnclosingMethod(EnclosingMethod_attribute attr, Void ignore) { |
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242 print("EnclosingMethod: #" + attr.class_index + ".#" + attr.method_index); |
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243 tab(); |
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244 print("// " + getJavaClassName(attr)); |
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245 if (attr.method_index != 0) |
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246 print("." + getMethodName(attr)); |
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247 println(); |
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248 return null; |
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249 } |
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250 |
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251 private String getJavaClassName(EnclosingMethod_attribute a) { |
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252 try { |
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253 return getJavaName(a.getClassName(constant_pool)); |
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254 } catch (ConstantPoolException e) { |
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255 return report(e); |
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256 } |
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257 } |
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258 |
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259 private String getMethodName(EnclosingMethod_attribute a) { |
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260 try { |
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261 return a.getMethodName(constant_pool); |
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262 } catch (ConstantPoolException e) { |
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263 return report(e); |
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264 } |
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265 } |
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266 |
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267 public Void visitExceptions(Exceptions_attribute attr, Void ignore) { |
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268 println("Exceptions:"); |
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269 indent(+1); |
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270 print("throws "); |
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271 for (int i = 0; i < attr.number_of_exceptions; i++) { |
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272 if (i > 0) |
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273 print(", "); |
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274 print(getJavaException(attr, i)); |
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275 } |
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276 println(); |
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277 indent(-1); |
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278 return null; |
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279 } |
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280 |
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281 private String getJavaException(Exceptions_attribute attr, int index) { |
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282 try { |
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283 return getJavaName(attr.getException(index, constant_pool)); |
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284 } catch (ConstantPoolException e) { |
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285 return report(e); |
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286 } |
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287 } |
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288 |
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289 public Void visitInnerClasses(InnerClasses_attribute attr, Void ignore) { |
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290 boolean first = true; |
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291 for (int i = 0 ; i < attr.classes.length; i++) { |
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292 InnerClasses_attribute.Info info = attr.classes[i]; |
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293 //access |
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294 AccessFlags access_flags = info.inner_class_access_flags; |
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295 if (options.checkAccess(access_flags)) { |
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296 if (first) { |
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297 writeInnerClassHeader(); |
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298 first = false; |
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299 } |
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300 for (String name: access_flags.getInnerClassModifiers()) |
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301 print(name + " "); |
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302 if (info.inner_name_index != 0) { |
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303 print("#" + info.inner_name_index + "= "); |
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304 } |
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305 print("#" + info.inner_class_info_index); |
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306 if (info.outer_class_info_index != 0) { |
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307 print(" of #" + info.outer_class_info_index); |
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308 } |
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309 print(";"); |
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310 tab(); |
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311 print("// "); |
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312 if (info.inner_name_index != 0) { |
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313 print(getInnerName(constant_pool, info) + "="); |
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314 } |
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315 constantWriter.write(info.inner_class_info_index); |
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316 if (info.outer_class_info_index != 0) { |
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317 print(" of "); |
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318 constantWriter.write(info.outer_class_info_index); |
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319 } |
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320 println(); |
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321 } |
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322 } |
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323 if (!first) |
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324 indent(-1); |
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325 return null; |
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326 } |
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327 |
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328 String getInnerName(ConstantPool constant_pool, InnerClasses_attribute.Info info) { |
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329 try { |
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330 return info.getInnerName(constant_pool); |
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331 } catch (ConstantPoolException e) { |
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332 return report(e); |
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333 } |
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334 } |
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335 |
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336 private void writeInnerClassHeader() { |
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337 println("InnerClasses:"); |
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338 indent(+1); |
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339 } |
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340 |
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341 public Void visitLineNumberTable(LineNumberTable_attribute attr, Void ignore) { |
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342 println("LineNumberTable:"); |
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343 indent(+1); |
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344 for (LineNumberTable_attribute.Entry entry: attr.line_number_table) { |
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345 println("line " + entry.line_number + ": " + entry.start_pc); |
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346 } |
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347 indent(-1); |
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348 return null; |
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349 } |
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350 |
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351 public Void visitLocalVariableTable(LocalVariableTable_attribute attr, Void ignore) { |
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352 println("LocalVariableTable:"); |
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353 indent(+1); |
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354 println("Start Length Slot Name Signature"); |
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355 for (LocalVariableTable_attribute.Entry entry : attr.local_variable_table) { |
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356 println(String.format("%5d %7d %5d %5s %s", |
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357 entry.start_pc, entry.length, entry.index, |
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358 constantWriter.stringValue(entry.name_index), |
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359 constantWriter.stringValue(entry.descriptor_index))); |
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360 } |
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361 indent(-1); |
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362 return null; |
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363 } |
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364 |
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365 public Void visitLocalVariableTypeTable(LocalVariableTypeTable_attribute attr, Void ignore) { |
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366 println("LocalVariableTypeTable:"); |
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367 indent(+1); |
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368 println("Start Length Slot Name Signature"); |
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369 for (LocalVariableTypeTable_attribute.Entry entry : attr.local_variable_table) { |
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370 println(String.format("%5d %7d %5d %5s %s", |
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371 entry.start_pc, entry.length, entry.index, |
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372 constantWriter.stringValue(entry.name_index), |
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373 constantWriter.stringValue(entry.signature_index))); |
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374 } |
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375 indent(-1); |
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376 return null; |
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377 } |
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378 |
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379 private static final String format = "%-31s%s"; |
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380 |
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381 public Void visitMethodParameters(MethodParameters_attribute attr, |
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382 Void ignore) { |
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383 |
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384 final String header = String.format(format, "Name", "Flags"); |
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385 println("MethodParameters:"); |
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386 indent(+1); |
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387 println(header); |
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388 for (MethodParameters_attribute.Entry entry : |
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389 attr.method_parameter_table) { |
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390 String namestr = |
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391 entry.name_index != 0 ? |
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392 constantWriter.stringValue(entry.name_index) : "<no name>"; |
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393 String flagstr = |
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394 (0 != (entry.flags & ACC_FINAL) ? "final " : "") + |
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395 (0 != (entry.flags & ACC_MANDATED) ? "mandated " : "") + |
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396 (0 != (entry.flags & ACC_SYNTHETIC) ? "synthetic" : ""); |
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397 println(String.format(format, namestr, flagstr)); |
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398 } |
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399 indent(-1); |
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400 return null; |
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401 } |
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402 |
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403 public Void visitRuntimeVisibleAnnotations(RuntimeVisibleAnnotations_attribute attr, Void ignore) { |
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404 println("RuntimeVisibleAnnotations:"); |
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405 indent(+1); |
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406 for (int i = 0; i < attr.annotations.length; i++) { |
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407 print(i + ": "); |
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408 annotationWriter.write(attr.annotations[i]); |
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409 println(); |
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410 } |
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411 indent(-1); |
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412 return null; |
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413 } |
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414 |
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415 public Void visitRuntimeInvisibleAnnotations(RuntimeInvisibleAnnotations_attribute attr, Void ignore) { |
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416 println("RuntimeInvisibleAnnotations:"); |
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417 indent(+1); |
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418 for (int i = 0; i < attr.annotations.length; i++) { |
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419 print(i + ": "); |
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420 annotationWriter.write(attr.annotations[i]); |
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421 println(); |
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422 } |
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423 indent(-1); |
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424 return null; |
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425 } |
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426 |
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427 public Void visitRuntimeVisibleTypeAnnotations(RuntimeVisibleTypeAnnotations_attribute attr, Void ignore) { |
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428 println("RuntimeVisibleTypeAnnotations:"); |
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429 indent(+1); |
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430 for (int i = 0; i < attr.annotations.length; i++) { |
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431 print(i + ": "); |
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432 annotationWriter.write(attr.annotations[i]); |
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433 println(); |
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434 } |
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435 indent(-1); |
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436 return null; |
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437 } |
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438 |
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439 public Void visitRuntimeInvisibleTypeAnnotations(RuntimeInvisibleTypeAnnotations_attribute attr, Void ignore) { |
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440 println("RuntimeInvisibleTypeAnnotations:"); |
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441 indent(+1); |
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442 for (int i = 0; i < attr.annotations.length; i++) { |
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443 print(i + ": "); |
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444 annotationWriter.write(attr.annotations[i]); |
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445 println(); |
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446 } |
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447 indent(-1); |
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448 return null; |
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449 } |
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450 |
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451 public Void visitRuntimeVisibleParameterAnnotations(RuntimeVisibleParameterAnnotations_attribute attr, Void ignore) { |
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452 println("RuntimeVisibleParameterAnnotations:"); |
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453 indent(+1); |
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454 for (int param = 0; param < attr.parameter_annotations.length; param++) { |
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455 println("parameter " + param + ": "); |
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456 indent(+1); |
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457 for (int i = 0; i < attr.parameter_annotations[param].length; i++) { |
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458 print(i + ": "); |
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459 annotationWriter.write(attr.parameter_annotations[param][i]); |
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460 println(); |
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461 } |
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462 indent(-1); |
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463 } |
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464 indent(-1); |
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465 return null; |
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466 } |
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467 |
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468 public Void visitRuntimeInvisibleParameterAnnotations(RuntimeInvisibleParameterAnnotations_attribute attr, Void ignore) { |
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469 println("RuntimeInvisibleParameterAnnotations:"); |
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470 indent(+1); |
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471 for (int param = 0; param < attr.parameter_annotations.length; param++) { |
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472 println(param + ": "); |
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473 indent(+1); |
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474 for (int i = 0; i < attr.parameter_annotations[param].length; i++) { |
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475 print(i + ": "); |
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476 annotationWriter.write(attr.parameter_annotations[param][i]); |
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477 println(); |
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478 } |
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479 indent(-1); |
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480 } |
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481 indent(-1); |
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482 return null; |
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483 } |
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484 |
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485 public Void visitSignature(Signature_attribute attr, Void ignore) { |
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486 print("Signature: #" + attr.signature_index); |
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487 tab(); |
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488 println("// " + getSignature(attr)); |
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489 return null; |
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490 } |
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491 |
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492 String getSignature(Signature_attribute info) { |
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493 try { |
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494 return info.getSignature(constant_pool); |
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495 } catch (ConstantPoolException e) { |
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496 return report(e); |
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497 } |
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498 } |
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499 |
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500 public Void visitSourceDebugExtension(SourceDebugExtension_attribute attr, Void ignore) { |
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501 println("SourceDebugExtension:"); |
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502 indent(+1); |
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503 for (String s: attr.getValue().split("[\r\n]+")) { |
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504 println(s); |
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505 } |
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506 indent(-1); |
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507 return null; |
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508 } |
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509 |
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510 public Void visitSourceFile(SourceFile_attribute attr, Void ignore) { |
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511 println("SourceFile: \"" + getSourceFile(attr) + "\""); |
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512 return null; |
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513 } |
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514 |
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515 private String getSourceFile(SourceFile_attribute attr) { |
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516 try { |
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517 return attr.getSourceFile(constant_pool); |
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518 } catch (ConstantPoolException e) { |
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519 return report(e); |
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520 } |
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521 } |
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522 |
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523 public Void visitSourceID(SourceID_attribute attr, Void ignore) { |
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524 constantWriter.write(attr.sourceID_index); |
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525 return null; |
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526 } |
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527 |
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528 public Void visitStackMap(StackMap_attribute attr, Void ignore) { |
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529 println("StackMap: number_of_entries = " + attr.number_of_entries); |
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530 indent(+1); |
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531 StackMapTableWriter w = new StackMapTableWriter(); |
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532 for (StackMapTable_attribute.stack_map_frame entry : attr.entries) { |
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533 w.write(entry); |
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534 } |
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535 indent(-1); |
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536 return null; |
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537 } |
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538 |
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539 public Void visitStackMapTable(StackMapTable_attribute attr, Void ignore) { |
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540 println("StackMapTable: number_of_entries = " + attr.number_of_entries); |
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541 indent(+1); |
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542 StackMapTableWriter w = new StackMapTableWriter(); |
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543 for (StackMapTable_attribute.stack_map_frame entry : attr.entries) { |
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544 w.write(entry); |
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545 } |
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546 indent(-1); |
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547 return null; |
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548 } |
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549 |
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550 class StackMapTableWriter // also handles CLDC StackMap attributes |
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551 implements StackMapTable_attribute.stack_map_frame.Visitor<Void,Void> { |
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552 public void write(StackMapTable_attribute.stack_map_frame frame) { |
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553 frame.accept(this, null); |
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554 } |
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555 |
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556 public Void visit_same_frame(StackMapTable_attribute.same_frame frame, Void p) { |
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557 printHeader(frame, "/* same */"); |
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558 return null; |
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559 } |
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560 |
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561 public Void visit_same_locals_1_stack_item_frame(StackMapTable_attribute.same_locals_1_stack_item_frame frame, Void p) { |
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562 printHeader(frame, "/* same_locals_1_stack_item */"); |
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563 indent(+1); |
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564 printMap("stack", frame.stack); |
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565 indent(-1); |
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566 return null; |
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567 } |
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568 |
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569 public Void visit_same_locals_1_stack_item_frame_extended(StackMapTable_attribute.same_locals_1_stack_item_frame_extended frame, Void p) { |
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570 printHeader(frame, "/* same_locals_1_stack_item_frame_extended */"); |
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571 indent(+1); |
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572 println("offset_delta = " + frame.offset_delta); |
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573 printMap("stack", frame.stack); |
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574 indent(-1); |
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575 return null; |
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576 } |
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577 |
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578 public Void visit_chop_frame(StackMapTable_attribute.chop_frame frame, Void p) { |
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579 printHeader(frame, "/* chop */"); |
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580 indent(+1); |
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581 println("offset_delta = " + frame.offset_delta); |
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582 indent(-1); |
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583 return null; |
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584 } |
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585 |
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586 public Void visit_same_frame_extended(StackMapTable_attribute.same_frame_extended frame, Void p) { |
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587 printHeader(frame, "/* same_frame_extended */"); |
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588 indent(+1); |
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589 println("offset_delta = " + frame.offset_delta); |
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590 indent(-1); |
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591 return null; |
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592 } |
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593 |
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594 public Void visit_append_frame(StackMapTable_attribute.append_frame frame, Void p) { |
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595 printHeader(frame, "/* append */"); |
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596 indent(+1); |
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597 println("offset_delta = " + frame.offset_delta); |
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598 printMap("locals", frame.locals); |
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599 indent(-1); |
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600 return null; |
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601 } |
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602 |
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603 public Void visit_full_frame(StackMapTable_attribute.full_frame frame, Void p) { |
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604 if (frame instanceof StackMap_attribute.stack_map_frame) { |
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605 printHeader(frame, "offset = " + frame.offset_delta); |
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606 indent(+1); |
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607 } else { |
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608 printHeader(frame, "/* full_frame */"); |
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609 indent(+1); |
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610 println("offset_delta = " + frame.offset_delta); |
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611 } |
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612 printMap("locals", frame.locals); |
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613 printMap("stack", frame.stack); |
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614 indent(-1); |
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615 return null; |
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616 } |
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617 |
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618 void printHeader(StackMapTable_attribute.stack_map_frame frame, String extra) { |
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619 print("frame_type = " + frame.frame_type + " "); |
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620 println(extra); |
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621 } |
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622 |
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623 void printMap(String name, StackMapTable_attribute.verification_type_info[] map) { |
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624 print(name + " = ["); |
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625 for (int i = 0; i < map.length; i++) { |
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626 StackMapTable_attribute.verification_type_info info = map[i]; |
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627 int tag = info.tag; |
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628 switch (tag) { |
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629 case StackMapTable_attribute.verification_type_info.ITEM_Object: |
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630 print(" "); |
|
631 constantWriter.write(((StackMapTable_attribute.Object_variable_info) info).cpool_index); |
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632 break; |
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633 case StackMapTable_attribute.verification_type_info.ITEM_Uninitialized: |
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634 print(" " + mapTypeName(tag)); |
|
635 print(" " + ((StackMapTable_attribute.Uninitialized_variable_info) info).offset); |
|
636 break; |
|
637 default: |
|
638 print(" " + mapTypeName(tag)); |
|
639 } |
|
640 print(i == (map.length - 1) ? " " : ","); |
|
641 } |
|
642 println("]"); |
|
643 } |
|
644 |
|
645 String mapTypeName(int tag) { |
|
646 switch (tag) { |
|
647 case StackMapTable_attribute.verification_type_info.ITEM_Top: |
|
648 return "top"; |
|
649 |
|
650 case StackMapTable_attribute.verification_type_info.ITEM_Integer: |
|
651 return "int"; |
|
652 |
|
653 case StackMapTable_attribute.verification_type_info.ITEM_Float: |
|
654 return "float"; |
|
655 |
|
656 case StackMapTable_attribute.verification_type_info.ITEM_Long: |
|
657 return "long"; |
|
658 |
|
659 case StackMapTable_attribute.verification_type_info.ITEM_Double: |
|
660 return "double"; |
|
661 |
|
662 case StackMapTable_attribute.verification_type_info.ITEM_Null: |
|
663 return "null"; |
|
664 |
|
665 case StackMapTable_attribute.verification_type_info.ITEM_UninitializedThis: |
|
666 return "this"; |
|
667 |
|
668 case StackMapTable_attribute.verification_type_info.ITEM_Object: |
|
669 return "CP"; |
|
670 |
|
671 case StackMapTable_attribute.verification_type_info.ITEM_Uninitialized: |
|
672 return "uninitialized"; |
|
673 |
|
674 default: |
|
675 report("unrecognized verification_type_info tag: " + tag); |
|
676 return "[tag:" + tag + "]"; |
|
677 } |
|
678 } |
|
679 } |
|
680 |
|
681 public Void visitSynthetic(Synthetic_attribute attr, Void ignore) { |
|
682 println("Synthetic: true"); |
|
683 return null; |
|
684 } |
|
685 |
|
686 static String getJavaName(String name) { |
|
687 return name.replace('/', '.'); |
|
688 } |
|
689 |
|
690 String toHex(byte b, int w) { |
|
691 return toHex(b & 0xff, w); |
|
692 } |
|
693 |
|
694 static String toHex(int i) { |
|
695 return StringUtils.toUpperCase(Integer.toString(i, 16)); |
|
696 } |
|
697 |
|
698 static String toHex(int i, int w) { |
|
699 String s = StringUtils.toUpperCase(Integer.toHexString(i)); |
|
700 while (s.length() < w) |
|
701 s = "0" + s; |
|
702 return StringUtils.toUpperCase(s); |
|
703 } |
|
704 |
|
705 private AnnotationWriter annotationWriter; |
|
706 private CodeWriter codeWriter; |
|
707 private ConstantWriter constantWriter; |
|
708 private Options options; |
|
709 |
|
710 private ConstantPool constant_pool; |
|
711 private Object owner; |
|
712 } |
|