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1 /***
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2 * ASM: a very small and fast Java bytecode manipulation framework
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3 * Copyright (c) 2000-2005 INRIA, France Telecom
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4 * All rights reserved.
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5 *
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6 * Redistribution and use in source and binary forms, with or without
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7 * modification, are permitted provided that the following conditions
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8 * are met:
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9 * 1. Redistributions of source code must retain the above copyright
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10 * notice, this list of conditions and the following disclaimer.
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11 * 2. Redistributions in binary form must reproduce the above copyright
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12 * notice, this list of conditions and the following disclaimer in the
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13 * documentation and/or other materials provided with the distribution.
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14 * 3. Neither the name of the copyright holders nor the names of its
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15 * contributors may be used to endorse or promote products derived from
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16 * this software without specific prior written permission.
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17 *
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18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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19 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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21 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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22 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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23 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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24 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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25 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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26 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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27 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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28 * THE POSSIBILITY OF SUCH DAMAGE.
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29 */
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30 package clojure.asm;
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31
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32 /**
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33 * An empty {@link MethodVisitor} that delegates to another
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34 * {@link MethodVisitor}. This class can be used as a super class to quickly
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35 * implement usefull method adapter classes, just by overriding the necessary
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36 * methods.
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37 *
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38 * @author Eric Bruneton
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39 */
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40 public class MethodAdapter implements MethodVisitor{
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41
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42 /**
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43 * The {@link MethodVisitor} to which this adapter delegates calls.
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44 */
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45 protected MethodVisitor mv;
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46
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47 /**
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48 * Constructs a new {@link MethodAdapter} object.
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49 *
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50 * @param mv the code visitor to which this adapter must delegate calls.
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51 */
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52 public MethodAdapter(final MethodVisitor mv){
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53 this.mv = mv;
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54 }
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55
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56 public AnnotationVisitor visitAnnotationDefault(){
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57 return mv.visitAnnotationDefault();
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58 }
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59
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60 public AnnotationVisitor visitAnnotation(
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61 final String desc,
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62 final boolean visible){
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63 return mv.visitAnnotation(desc, visible);
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64 }
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65
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66 public AnnotationVisitor visitParameterAnnotation(
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67 final int parameter,
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68 final String desc,
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69 final boolean visible){
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70 return mv.visitParameterAnnotation(parameter, desc, visible);
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71 }
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72
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73 public void visitAttribute(final Attribute attr){
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74 mv.visitAttribute(attr);
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75 }
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76
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77 public void visitCode(){
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78 mv.visitCode();
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79 }
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80
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81 public void visitFrame(
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82 final int type,
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83 final int nLocal,
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84 final Object[] local,
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85 final int nStack,
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86 final Object[] stack){
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87 mv.visitFrame(type, nLocal, local, nStack, stack);
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88 }
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89
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90 public void visitInsn(final int opcode){
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91 mv.visitInsn(opcode);
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92 }
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93
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94 public void visitIntInsn(final int opcode, final int operand){
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95 mv.visitIntInsn(opcode, operand);
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96 }
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97
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98 public void visitVarInsn(final int opcode, final int var){
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99 mv.visitVarInsn(opcode, var);
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100 }
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101
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102 public void visitTypeInsn(final int opcode, final String desc){
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103 mv.visitTypeInsn(opcode, desc);
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104 }
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105
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106 public void visitFieldInsn(
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107 final int opcode,
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108 final String owner,
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109 final String name,
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110 final String desc){
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111 mv.visitFieldInsn(opcode, owner, name, desc);
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112 }
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113
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114 public void visitMethodInsn(
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115 final int opcode,
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116 final String owner,
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117 final String name,
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118 final String desc){
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119 mv.visitMethodInsn(opcode, owner, name, desc);
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120 }
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121
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122 public void visitJumpInsn(final int opcode, final Label label){
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123 mv.visitJumpInsn(opcode, label);
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124 }
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125
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126 public void visitLabel(final Label label){
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127 mv.visitLabel(label);
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128 }
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129
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130 public void visitLdcInsn(final Object cst){
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131 mv.visitLdcInsn(cst);
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132 }
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133
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134 public void visitIincInsn(final int var, final int increment){
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135 mv.visitIincInsn(var, increment);
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136 }
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137
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138 public void visitTableSwitchInsn(
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139 final int min,
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140 final int max,
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141 final Label dflt,
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142 final Label labels[]){
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143 mv.visitTableSwitchInsn(min, max, dflt, labels);
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144 }
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145
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146 public void visitLookupSwitchInsn(
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147 final Label dflt,
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148 final int keys[],
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149 final Label labels[]){
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150 mv.visitLookupSwitchInsn(dflt, keys, labels);
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151 }
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152
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153 public void visitMultiANewArrayInsn(final String desc, final int dims){
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154 mv.visitMultiANewArrayInsn(desc, dims);
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155 }
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156
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157 public void visitTryCatchBlock(
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158 final Label start,
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159 final Label end,
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160 final Label handler,
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161 final String type){
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162 mv.visitTryCatchBlock(start, end, handler, type);
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163 }
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164
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165 public void visitLocalVariable(
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166 final String name,
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167 final String desc,
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168 final String signature,
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169 final Label start,
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170 final Label end,
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171 final int index){
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172 mv.visitLocalVariable(name, desc, signature, start, end, index);
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173 }
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174
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175 public void visitLineNumber(final int line, final Label start){
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176 mv.visitLineNumber(line, start);
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177 }
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178
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179 public void visitMaxs(final int maxStack, final int maxLocals){
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180 mv.visitMaxs(maxStack, maxLocals);
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181 }
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182
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183 public void visitEnd(){
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184 mv.visitEnd();
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185 }
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186 }
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