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'From Smalltalk/X, Version:3.3.1 on 5-jan-1998 at 2:09:45 pm' !
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6
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Object subclass:#JavaDecompiler
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18
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instanceVariableNames:'code pc javaMethod outStream classToCompileFor'
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6
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classVariableNames:'DecoderTable'
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poolDictionaries:''
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category:'Java-Support'
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!
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10 |
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129
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!JavaDecompiler class methodsFor:'initialization'!
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6
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initialize
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DecoderTable := #(
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(nop) "/ 0
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(aconst_null) "/ 1
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(iconst_m1) "/ 2
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(iconst_0) "/ 3
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(iconst_1) "/ 4
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(iconst_2) "/ 5
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(iconst_3) "/ 6
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(iconst_4) "/ 7
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(iconst_5) "/ 8
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(lconst_0) "/ 9
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(lconst_1) "/ 10
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(fconst_0) "/ 11
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(fconst_1) "/ 12
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(fconst_2) "/ 13
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(dconst_0) "/ 14
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(dconst_1) "/ 15
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(bipush signedByte) "/ 16
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(sipush signedShort) "/ 17
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(ldc1 constIndexByte) "/ 18
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(ldc2 constIndexShort) "/ 19
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(ldc2w constIndexShort) "/ 20
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(iload localIndexByte) "/ 21
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(lload localIndexByte) "/ 22
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(fload localIndexByte) "/ 23
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(dload localIndexByte) "/ 24
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(aload localIndexByte) "/ 25
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24
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(iload_0) "/ 26
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6
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(iload_1) "/ 27
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(iload_2) "/ 28
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(iload_3) "/ 29
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(lload_0) "/ 30
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(lload_1) "/ 31
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(lload_2) "/ 32
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(lload_3) "/ 33
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(fload_0) "/ 34
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(fload_1) "/ 35
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(fload_2) "/ 36
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(fload_3) "/ 37
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(dload_0) "/ 38
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(dload_1) "/ 39
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(dload_2) "/ 40
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(dload_3) "/ 41
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(aload_0) "/ 42
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(aload_1) "/ 43
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(aload_2) "/ 44
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(aload_3) "/ 45
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(iaload) "/ 46
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(laload) "/ 47
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(faload) "/ 48
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(daload) "/ 49
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(aaload) "/ 50
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(baload) "/ 51
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(caload) "/ 52
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(saload) "/ 53
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(istore localIndexByte) "/ 54
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(lstore localIndexByte) "/ 55
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(fstore localIndexByte) "/ 56
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(dstore localIndexByte) "/ 57
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(astore localIndexByte) "/ 58
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(istore_0) "/ 59
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(istore_1) "/ 60
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(istore_2) "/ 61
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(istore_3) "/ 62
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(lstore_0) "/ 63
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(lstore_1) "/ 64
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(lstore_2) "/ 65
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(lstore_3) "/ 66
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(fstore_0) "/ 67
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(fstore_1) "/ 68
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(fstore_2) "/ 69
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(fstore_3) "/ 70
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(dstore_0) "/ 71
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(dstore_1) "/ 72
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(dstore_2) "/ 73
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(dstore_3) "/ 74
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(astore_0) "/ 75
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(astore_1) "/ 76
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(astore_2) "/ 77
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(astore_3) "/ 78
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(iastore) "/ 79
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(lastore) "/ 80
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(fastore) "/ 81
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(dastore) "/ 82
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(aastore) "/ 83
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(bastore) "/ 84
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(castore) "/ 85
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(sastore) "/ 86
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(pop) "/ 87
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(pop2) "/ 88
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(dup) "/ 89
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(dup_x1) "/ 90
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(dup_x2) "/ 91
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(dup2) "/ 92
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(dup2_x1) "/ 93
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(dup2_x2) "/ 94
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(swap) "/ 95
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(iadd) "/ 96
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(ladd) "/ 97
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(fadd) "/ 98
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(dadd) "/ 99
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(isub) "/ 100
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(lsub) "/ 101
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(fsub) "/ 102
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(dsub) "/ 103
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(imul) "/ 104
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(lmul) "/ 105
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(fmul) "/ 106
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(dmul) "/ 107
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(idiv) "/ 108
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(ldiv) "/ 109
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(fdiv) "/ 110
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(ddiv) "/ 111
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91
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"/ (imod) "/ 112 "/ obsolete
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(irem) "/ 112
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"/ (lmod) "/ 113 "/ obsolete
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(lrem) "/ 113
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"/ (fmod) "/ 114 "/ obsolete
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(frem) "/ 114
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"/ (dmod) "/ 115 "/ obsolete
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(drem) "/ 115
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(ineg) "/ 116
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(lneg) "/ 117
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(fneg) "/ 118
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(dneg) "/ 119
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(ishl) "/ 120
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(lshl) "/ 121
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(ishr) "/ 122
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(lshr) "/ 123
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(iushr) "/ 124
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(lushr) "/ 125
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(iand) "/ 126
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(land) "/ 127
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(ior) "/ 128
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(lor) "/ 129
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(ixor) "/ 130
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(lxor) "/ 131
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(iinc localIndexByte signedByte) "/ 132
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(i2l) "/ 133
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(i2f) "/ 134
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(i2d) "/ 135
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(l2i) "/ 136
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(l2f) "/ 137
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(l2d) "/ 138
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(f2i) "/ 139
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(f2l) "/ 140
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(f2d) "/ 141
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(d2i) "/ 142
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(d2l) "/ 143
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(d2f) "/ 144
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(int2byte) "/ 145
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(int2char) "/ 146
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(int2short) "/ 147
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(lcmp) "/ 148
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(fcmpl) "/ 149
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(fcmpg) "/ 150
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(dcmpl) "/ 151
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(dcmpg) "/ 152
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(ifeq signedBranchShort) "/ 153
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(ifne signedBranchShort) "/ 154
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(iflt signedBranchShort) "/ 155
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(ifge signedBranchShort) "/ 156
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(ifgt signedBranchShort) "/ 157
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(ifle signedBranchShort) "/ 158
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(if_icmpeq signedBranchShort) "/ 159
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(if_icmpne signedBranchShort) "/ 160
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(if_icmplt signedBranchShort) "/ 161
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(if_icmpge signedBranchShort) "/ 162
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(if_icmpgt signedBranchShort) "/ 163
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(if_icmple signedBranchShort) "/ 164
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(if_acmpeq signedBranchShort) "/ 165
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(if_acmpne signedBranchShort) "/ 166
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(goto signedBranchShort) "/ 167
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(jsr signedBranchShort) "/ 168
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(ret localIndexByte) "/ 169
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(tableswitch tableSwitchBytes) "/ 170
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(lookupswitch lookupSwitchBytes) "/ 171
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(ireturn) "/ 172
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(lreturn) "/ 173
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(freturn) "/ 174
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(dreturn) "/ 175
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(areturn) "/ 176
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(return) "/ 177
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(getstatic constIndexShort) "/ 178
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(putstatic constIndexShort) "/ 179
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(getfield constIndexShort) "/ 180
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(putfield constIndexShort) "/ 181
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(invokevirtual constIndexShort) "/ 182
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(invokenonvirtual constIndexShort) "/ 183
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(invokestatic constIndexShort) "/ 184
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(invokeinterface constIndexShort nargsByte reservedByte) "/ 185
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(newfromname) "/ 186
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(new constIndexShort) "/ 187
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(newarray arrayTypeByte) "/ 188
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(anewarray constIndexShort) "/ 189
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(arraylength) "/ 190
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(athrow) "/ 191
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(checkcast constIndexShort) "/ 192
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(instanceof constIndexShort) "/ 193
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(monitorenter) "/ 194
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(monitorexit) "/ 195
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68
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"/ (verifystack) "/ 196 obsolete (Alpha release)
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(wide) "/ 196
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(multianewarray constIndexShort dimensionsByte) "/ 197
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(ifnull signedBranchShort) "/ 198
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(ifnonnull signedBranchShort) "/ 199
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(#'goto_w' signedBranchLong) "/ 200
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(#'jsr_w' signedBranchShort) "/ 201
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(breakpoint) "/ 202
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nil "/ 203
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nil "/ 204
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nil "/ 205
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nil "/ 206
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nil "/ 207
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nil "/ 208
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(#'ret_w' signedBranchShort) "/ 209
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nil "/ 210
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nil "/ 211
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nil "/ 212
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nil "/ 213
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nil "/ 214
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nil "/ 215
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nil "/ 216
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nil "/ 217
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nil "/ 218
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nil "/ 219
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nil "/ 220
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nil "/ 221
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nil "/ 222
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nil "/ 223
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nil "/ 224
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nil "/ 225
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nil "/ 226
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nil "/ 227
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nil "/ 228
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nil "/ 229
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nil "/ 230
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nil "/ 231
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nil "/ 232
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nil "/ 233
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nil "/ 234
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nil "/ 235
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nil "/ 236
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nil "/ 237
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nil "/ 238
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nil "/ 239
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nil "/ 240
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nil "/ 241
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nil "/ 242
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nil "/ 243
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nil "/ 244
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nil "/ 245
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nil "/ 246
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nil "/ 247
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nil "/ 248
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nil "/ 249
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nil "/ 250
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nil "/ 251
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nil "/ 252
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nil "/ 253
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nil "/ 254
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(invokenonvirtual_d constIndexShort) "/ 255 special - dummy invokenonvirtual
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)
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305 |
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306 |
"
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307 |
JavaDecompiler initialize
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308 |
"
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309 |
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198
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310 |
"Modified: 4.8.1997 / 19:12:45 / cg"
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6
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311 |
! !
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312 |
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129
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313 |
!JavaDecompiler class methodsFor:'accessing'!
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27
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314 |
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315 |
instructionTable
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316 |
^ DecoderTable
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317 |
! !
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318 |
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161
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319 |
!JavaDecompiler class methodsFor:'class definition generation'!
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320 |
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321 |
definitionOf:aJavaClass on:s
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322 |
|pckgName needCR fields staticFields superClass
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190
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interfaces methodList
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187
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accessAttributeStyle codeStyle classNameStyle methodNameStyle|
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325 |
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326 |
accessAttributeStyle := Java prettyPrintStyle at:#accessAttribute.
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codeStyle := Java prettyPrintStyle at:#code.
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classNameStyle := Java prettyPrintStyle at:#className.
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methodNameStyle := Java prettyPrintStyle at:#className.
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161
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330 |
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331 |
pckgName := aJavaClass package.
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175
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332 |
pckgName ~= aJavaClass name ifTrue:[
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252
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333 |
s nextPutAll:'package ' , (pckgName copy replaceAll:$/ with:$.).
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175
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334 |
s nextPutAll:';'; cr; cr.
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].
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161
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336 |
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needCR := false.
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187
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338 |
s emphasis:accessAttributeStyle.
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339 |
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161
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340 |
aJavaClass isPublic ifTrue:[
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s nextPutAll:'public '.
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needCR := true.
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].
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344 |
aJavaClass isAbstract ifTrue:[
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345 |
s nextPutAll:'abstract '.
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needCR := true.
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].
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348 |
aJavaClass isFinal ifTrue:[
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349 |
s nextPutAll:'final '.
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350 |
needCR := true.
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].
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187
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352 |
s emphasis:codeStyle.
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161
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353 |
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needCR ifTrue:[
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355 |
s cr
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].
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357 |
aJavaClass isInterface ifTrue:[
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358 |
s nextPutAll:'interface '.
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] ifFalse:[
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360 |
s nextPutAll:'class '.
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].
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187
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362 |
s emphasis:classNameStyle;
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nextPutAll:aJavaClass name;
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364 |
emphasis:codeStyle;
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365 |
space.
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161
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366 |
superClass := aJavaClass superclass.
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367 |
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368 |
superClass ~~ (Java at:'java.lang.Object') ifTrue:[
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369 |
s nextPutAll:'extends '.
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187
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370 |
s emphasis:classNameStyle.
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161
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371 |
(superClass package ~= 'java/lang'
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and:[superClass package ~= pckgName]) ifTrue:[
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187
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s nextPutAll:(superClass displayString).
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161
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] ifFalse:[
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187
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375 |
s nextPutAll:(superClass name).
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].
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377 |
s emphasis:codeStyle.
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378 |
s space.
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161
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379 |
].
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380 |
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381 |
(interfaces := aJavaClass interfaces) size > 0 ifTrue:[
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165
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382 |
(aJavaClass isInterface
|
|
|
383 |
and:[interfaces size == 1]) ifTrue:[
|
|
|
384 |
s nextPutAll:'extends '.
|
|
|
385 |
] ifFalse:[
|
|
|
386 |
s nextPutAll:'implements '.
|
|
|
387 |
].
|
|
161
|
388 |
interfaces keysAndValuesDo:[:nr :if |
|
|
|
389 |
nr ~~ 1 ifTrue:[
|
|
|
390 |
s nextPutAll:', '.
|
|
|
391 |
].
|
|
187
|
392 |
s emphasis:classNameStyle.
|
|
161
|
393 |
(if package ~= 'java/lang'
|
|
|
394 |
and:[if package ~= pckgName]) ifTrue:[
|
|
|
395 |
s nextPutAll:(if displayString)
|
|
|
396 |
] ifFalse:[
|
|
|
397 |
s nextPutAll:(if name)
|
|
187
|
398 |
].
|
|
|
399 |
s emphasis:codeStyle.
|
|
161
|
400 |
].
|
|
|
401 |
s space.
|
|
|
402 |
].
|
|
|
403 |
|
|
|
404 |
s nextPutAll:'{'; cr.
|
|
|
405 |
|
|
|
406 |
needCR := false.
|
|
|
407 |
staticFields := aJavaClass staticFields.
|
|
|
408 |
staticFields size > 0 ifTrue:[
|
|
|
409 |
needCR := true.
|
|
|
410 |
|
|
|
411 |
staticFields do:[:aField |
|
|
|
412 |
|type v|
|
|
|
413 |
|
|
|
414 |
s nextPutAll:' '.
|
|
187
|
415 |
s emphasis:accessAttributeStyle.
|
|
161
|
416 |
aField isPublic ifTrue:[
|
|
|
417 |
s nextPutAll:'public '.
|
|
|
418 |
] ifFalse:[
|
|
|
419 |
s nextPutAll:'private '.
|
|
|
420 |
].
|
|
|
421 |
s nextPutAll:'static '.
|
|
|
422 |
aField isFinal ifTrue:[
|
|
|
423 |
s nextPutAll:'final '.
|
|
|
424 |
].
|
|
187
|
425 |
s emphasis:codeStyle.
|
|
161
|
426 |
|
|
|
427 |
((type := aField type) startsWith:pckgName) ifTrue:[
|
|
|
428 |
type := type copyFrom:(pckgName size + 1 + 1).
|
|
|
429 |
] ifFalse:[
|
|
|
430 |
(type startsWith:'java.lang.') ifTrue:[
|
|
|
431 |
type := type copyFrom:(11).
|
|
|
432 |
]
|
|
|
433 |
].
|
|
|
434 |
type := type copy replaceAll:$/ with:$..
|
|
|
435 |
s nextPutAll:type; space;
|
|
|
436 |
nextPutAll:aField name.
|
|
|
437 |
|
|
|
438 |
(v := aField constantValue) notNil ifTrue:[
|
|
|
439 |
s nextPutAll:' = '; nextPutAll:v displayString.
|
|
|
440 |
].
|
|
|
441 |
|
|
|
442 |
s nextPutAll:';'; cr.
|
|
|
443 |
needCR := true.
|
|
|
444 |
].
|
|
|
445 |
].
|
|
|
446 |
|
|
|
447 |
|
|
|
448 |
fields := aJavaClass fields.
|
|
|
449 |
fields size > 0 ifTrue:[
|
|
|
450 |
needCR ifTrue:[
|
|
|
451 |
s cr
|
|
|
452 |
].
|
|
|
453 |
needCR := true.
|
|
|
454 |
|
|
|
455 |
fields do:[:aField |
|
|
|
456 |
|type|
|
|
|
457 |
|
|
|
458 |
s nextPutAll:' '.
|
|
187
|
459 |
s emphasis:accessAttributeStyle.
|
|
161
|
460 |
aField isPublic ifTrue:[
|
|
|
461 |
s nextPutAll:'public '.
|
|
|
462 |
] ifFalse:[
|
|
|
463 |
s nextPutAll:'private '.
|
|
|
464 |
].
|
|
|
465 |
aField isFinal ifTrue:[
|
|
|
466 |
s nextPutAll:'final '.
|
|
|
467 |
].
|
|
187
|
468 |
s emphasis:codeStyle.
|
|
161
|
469 |
|
|
|
470 |
((type := aField type) startsWith:pckgName) ifTrue:[
|
|
|
471 |
type := type copyFrom:(pckgName size + 1 + 1).
|
|
|
472 |
].
|
|
|
473 |
type := type copy replaceAll:$/ with:$..
|
|
|
474 |
s nextPutAll:type; space;
|
|
|
475 |
nextPutAll:aField name; nextPutAll:';'; cr.
|
|
|
476 |
].
|
|
|
477 |
].
|
|
|
478 |
|
|
|
479 |
aJavaClass methodDictionary size > 0 ifTrue:[
|
|
|
480 |
needCR ifTrue:[
|
|
190
|
481 |
s cr.
|
|
|
482 |
needCR := false.
|
|
161
|
483 |
].
|
|
|
484 |
|
|
190
|
485 |
"/
|
|
|
486 |
"/ static methods first ...
|
|
|
487 |
"/
|
|
|
488 |
methodList := OrderedCollection new.
|
|
|
489 |
aJavaClass methodDictionary do:[:aMethod |
|
|
|
490 |
aMethod isStatic ifTrue:[
|
|
|
491 |
methodList add:aMethod.
|
|
161
|
492 |
].
|
|
190
|
493 |
].
|
|
161
|
494 |
|
|
190
|
495 |
methodList notEmpty ifTrue:[
|
|
|
496 |
methodList sort:[:a :b | a name < b name].
|
|
|
497 |
methodList do:[:aMethod |
|
|
|
498 |
self methodDefinitionOf:aMethod inPackage:pckgName on:s.
|
|
161
|
499 |
].
|
|
190
|
500 |
s cr.
|
|
|
501 |
].
|
|
161
|
502 |
|
|
190
|
503 |
"/
|
|
|
504 |
"/ instance methods ...
|
|
|
505 |
"/
|
|
|
506 |
methodList := OrderedCollection new.
|
|
|
507 |
aJavaClass methodDictionary do:[:aMethod |
|
|
|
508 |
aMethod isStatic ifFalse:[
|
|
|
509 |
methodList add:aMethod.
|
|
|
510 |
].
|
|
|
511 |
].
|
|
161
|
512 |
|
|
190
|
513 |
methodList notEmpty ifTrue:[
|
|
|
514 |
methodList sort:[:a :b | a name < b name].
|
|
|
515 |
methodList do:[:aMethod |
|
|
|
516 |
self methodDefinitionOf:aMethod inPackage:pckgName on:s.
|
|
161
|
517 |
].
|
|
|
518 |
].
|
|
|
519 |
].
|
|
|
520 |
|
|
|
521 |
s nextPutAll:'}'; cr.
|
|
|
522 |
|
|
|
523 |
"Created: 22.3.1997 / 14:29:37 / cg"
|
|
190
|
524 |
"Modified: 1.8.1997 / 12:29:35 / cg"
|
|
|
525 |
!
|
|
|
526 |
|
|
|
527 |
methodDefinitionOf:aMethod inPackage:pckgName on:s
|
|
|
528 |
|type nm specComponents accessAttributeStyle codeStyle methodNameStyle|
|
|
|
529 |
|
|
|
530 |
accessAttributeStyle := Java prettyPrintStyle at:#accessAttribute.
|
|
|
531 |
codeStyle := Java prettyPrintStyle at:#code.
|
|
|
532 |
methodNameStyle := Java prettyPrintStyle at:#methodName.
|
|
|
533 |
|
|
|
534 |
s nextPutAll:' '.
|
|
|
535 |
s emphasis:accessAttributeStyle.
|
|
|
536 |
aMethod isPublic ifTrue:[
|
|
|
537 |
s nextPutAll:'public '.
|
|
|
538 |
] ifFalse:[
|
|
|
539 |
aMethod isProtected ifTrue:[
|
|
|
540 |
s nextPutAll:'protected '.
|
|
|
541 |
] ifFalse:[
|
|
|
542 |
s nextPutAll:'private '.
|
|
|
543 |
]
|
|
|
544 |
].
|
|
|
545 |
aMethod isFinal ifTrue:[
|
|
|
546 |
s nextPutAll:'final '.
|
|
|
547 |
].
|
|
|
548 |
aMethod isStatic ifTrue:[
|
|
|
549 |
s nextPutAll:'static '.
|
|
|
550 |
].
|
|
|
551 |
aMethod isNative ifTrue:[
|
|
|
552 |
s nextPutAll:'native '.
|
|
|
553 |
].
|
|
|
554 |
aMethod isSynchronized ifTrue:[
|
|
|
555 |
s nextPutAll:'synchronized '.
|
|
|
556 |
].
|
|
|
557 |
s emphasis:codeStyle.
|
|
|
558 |
|
|
|
559 |
(nm := aMethod name) = '<init>' ifTrue:[
|
|
|
560 |
nm := aMethod javaClass name.
|
|
|
561 |
].
|
|
|
562 |
specComponents := JavaMethod
|
|
|
563 |
specComponentsWithArgsFromSignature:(aMethod signature)
|
|
|
564 |
withName:nm
|
|
|
565 |
in:(aMethod javaClass package).
|
|
|
566 |
|
|
|
567 |
s nextPutAll:(specComponents at:1).
|
|
|
568 |
s space.
|
|
|
569 |
s emphasis:methodNameStyle.
|
|
|
570 |
s nextPutAll:(specComponents at:2).
|
|
|
571 |
s emphasis:codeStyle.
|
|
|
572 |
s nextPutAll:' ('.
|
|
|
573 |
s nextPutAll:(specComponents at:3).
|
|
|
574 |
s nextPutAll:')'.
|
|
|
575 |
|
|
|
576 |
aMethod exceptionTable size > 0 ifTrue:[
|
|
|
577 |
s nextPutAll:' throws '.
|
|
|
578 |
|
|
|
579 |
aMethod exceptionTable keysAndValuesDo:[:index :aClassRef |
|
|
|
580 |
|nm|
|
|
|
581 |
|
|
|
582 |
nm := aClassRef fullName.
|
|
|
583 |
(nm startsWith:pckgName) ifTrue:[
|
|
|
584 |
nm := nm copyFrom:pckgName size + 2
|
|
|
585 |
] ifFalse:[
|
|
|
586 |
(nm startsWith:'java/lang') ifTrue:[
|
|
|
587 |
nm := nm copyFrom:'java/lang' size + 2.
|
|
|
588 |
].
|
|
|
589 |
].
|
|
|
590 |
index ~~ 1 ifTrue:[
|
|
|
591 |
s nextPutAll:', '
|
|
|
592 |
].
|
|
|
593 |
s nextPutAll:((nm copyFrom:1) replaceAll:$/ with:$.)
|
|
|
594 |
]
|
|
|
595 |
].
|
|
|
596 |
s nextPutAll:';'; cr.
|
|
|
597 |
|
|
|
598 |
"Created: 1.8.1997 / 12:24:11 / cg"
|
|
|
599 |
"Modified: 1.8.1997 / 12:25:35 / cg"
|
|
161
|
600 |
! !
|
|
|
601 |
|
|
129
|
602 |
!JavaDecompiler class methodsFor:'decompiling'!
|
|
6
|
603 |
|
|
|
604 |
decompile:aJavaMethod
|
|
18
|
605 |
self decompile:aJavaMethod to:Transcript
|
|
|
606 |
!
|
|
|
607 |
|
|
|
608 |
decompile:aJavaMethod to:aStream
|
|
|
609 |
self new decompile:aJavaMethod to:aStream
|
|
6
|
610 |
! !
|
|
|
611 |
|
|
|
612 |
!JavaDecompiler methodsFor:'decompiling'!
|
|
|
613 |
|
|
18
|
614 |
decompile:aJavaMethod to:aStream
|
|
198
|
615 |
|who endPC insn spec op wide|
|
|
18
|
616 |
|
|
|
617 |
outStream := aStream.
|
|
|
618 |
|
|
|
619 |
who := aJavaMethod who.
|
|
|
620 |
who notNil ifTrue:[
|
|
129
|
621 |
classToCompileFor := who methodClass.
|
|
18
|
622 |
aStream cr.
|
|
129
|
623 |
"/ aStream showCR:'decompiling ' , classToCompileFor name , '>>' , (who methodSelector) , ':'.
|
|
61
|
624 |
aStream showCR:'decompiling ' , aJavaMethod displayString , ':'.
|
|
119
|
625 |
aJavaMethod isStatic ifTrue:[
|
|
|
626 |
aStream show:'static method'.
|
|
|
627 |
].
|
|
|
628 |
aStream cr.
|
|
18
|
629 |
aStream cr.
|
|
|
630 |
].
|
|
6
|
631 |
|
|
|
632 |
javaMethod := aJavaMethod.
|
|
|
633 |
code := aJavaMethod javaByteCode.
|
|
|
634 |
endPC := code size.
|
|
18
|
635 |
endPC == 0 ifTrue:[
|
|
19
|
636 |
javaMethod isNative ifTrue:[
|
|
175
|
637 |
outStream nextPutAll:'// native method'; cr
|
|
18
|
638 |
] ifFalse:[
|
|
175
|
639 |
outStream nextPutAll:'{} // no bytecode'; cr
|
|
18
|
640 |
].
|
|
|
641 |
^ self
|
|
|
642 |
].
|
|
|
643 |
|
|
198
|
644 |
wide := false.
|
|
6
|
645 |
pc := 1.
|
|
|
646 |
[pc <= endPC] whileTrue:[
|
|
|
647 |
insn := code at:pc.
|
|
|
648 |
pc := pc + 1.
|
|
|
649 |
spec := DecoderTable at:(insn + 1).
|
|
27
|
650 |
spec isNil ifTrue:[
|
|
|
651 |
op := '** invalid opcode: ',insn printString, ' **'
|
|
|
652 |
] ifFalse:[
|
|
|
653 |
op := spec at:1
|
|
|
654 |
].
|
|
23
|
655 |
outStream
|
|
252
|
656 |
show:((pc - 1 - 1) printStringPaddedTo:4);
|
|
23
|
657 |
show:' ';
|
|
27
|
658 |
show:op;
|
|
23
|
659 |
show:' '.
|
|
|
660 |
|
|
198
|
661 |
op == #wide ifTrue:[
|
|
|
662 |
wide := true.
|
|
|
663 |
] ifFalse:[
|
|
|
664 |
spec notNil ifTrue:[
|
|
|
665 |
spec from:2 to:spec size do:[:what |
|
|
|
666 |
wide ifTrue:[
|
|
|
667 |
self perform:(what , '_wide') asSymbol.
|
|
|
668 |
wide := false
|
|
|
669 |
] ifFalse:[
|
|
|
670 |
self perform:what
|
|
|
671 |
]
|
|
|
672 |
].
|
|
27
|
673 |
].
|
|
198
|
674 |
wide := false.
|
|
6
|
675 |
].
|
|
18
|
676 |
outStream cr.
|
|
6
|
677 |
]
|
|
|
678 |
|
|
252
|
679 |
"Created: / 16.4.1996 / 14:59:29 / cg"
|
|
|
680 |
"Modified: / 5.1.1998 / 00:04:03 / cg"
|
|
6
|
681 |
! !
|
|
|
682 |
|
|
|
683 |
!JavaDecompiler methodsFor:'operand decoding'!
|
|
|
684 |
|
|
23
|
685 |
arrayTypeByte
|
|
|
686 |
|hi low index type|
|
|
|
687 |
|
|
|
688 |
index := code at:pc.
|
|
|
689 |
pc := pc + 1.
|
|
|
690 |
|
|
|
691 |
type := #('T_ARRAY' 'invalid' 'invalid' 'T_BOOLEAN'
|
|
|
692 |
'T_CHAR' 'T_FLOAT' 'T_DOUBLE' 'T_BYTE'
|
|
|
693 |
'T_INT' 'T_LONG' ) at:index ifAbsent:'invalid'.
|
|
|
694 |
|
|
|
695 |
outStream
|
|
|
696 |
show:index;
|
|
|
697 |
show:' [';
|
|
|
698 |
show:type;
|
|
|
699 |
show:']'
|
|
|
700 |
|
|
|
701 |
"Created: 16.4.1996 / 15:00:04 / cg"
|
|
|
702 |
"Modified: 16.4.1996 / 15:30:55 / cg"
|
|
|
703 |
!
|
|
|
704 |
|
|
|
705 |
constIndexByte
|
|
126
|
706 |
|index|
|
|
23
|
707 |
|
|
|
708 |
index := code at:pc.
|
|
|
709 |
pc := pc + 1.
|
|
|
710 |
|
|
|
711 |
outStream
|
|
|
712 |
show:index;
|
|
|
713 |
show:' [';
|
|
27
|
714 |
show:(javaMethod constantPool at:index ifAbsent:['??']) displayString;
|
|
|
715 |
show:'] '
|
|
23
|
716 |
|
|
|
717 |
"Created: 16.4.1996 / 15:00:04 / cg"
|
|
|
718 |
"Modified: 16.4.1996 / 15:30:55 / cg"
|
|
|
719 |
!
|
|
|
720 |
|
|
6
|
721 |
constIndexShort
|
|
126
|
722 |
|index|
|
|
6
|
723 |
|
|
24
|
724 |
index := code wordAt:pc MSB:true.
|
|
|
725 |
pc := pc + 2.
|
|
6
|
726 |
|
|
18
|
727 |
outStream
|
|
6
|
728 |
show:index;
|
|
|
729 |
show:' [';
|
|
27
|
730 |
show:(javaMethod constantPool at:index ifAbsent:'???') displayString;
|
|
|
731 |
show:'] '
|
|
6
|
732 |
|
|
|
733 |
"Created: 16.4.1996 / 15:00:04 / cg"
|
|
|
734 |
"Modified: 16.4.1996 / 15:30:55 / cg"
|
|
23
|
735 |
!
|
|
|
736 |
|
|
27
|
737 |
dimensionsByte
|
|
108
|
738 |
outStream show:' dims= '.
|
|
27
|
739 |
self unsignedByte
|
|
|
740 |
!
|
|
|
741 |
|
|
23
|
742 |
localIndexByte
|
|
198
|
743 |
|index|
|
|
23
|
744 |
|
|
|
745 |
index := code at:pc.
|
|
|
746 |
pc := pc + 1.
|
|
|
747 |
|
|
|
748 |
outStream
|
|
|
749 |
show:index;
|
|
39
|
750 |
show:' '
|
|
23
|
751 |
|
|
|
752 |
"Created: 16.4.1996 / 15:00:04 / cg"
|
|
198
|
753 |
"Modified: 4.8.1997 / 19:01:52 / cg"
|
|
|
754 |
!
|
|
|
755 |
|
|
|
756 |
localIndexByte_wide
|
|
|
757 |
|index|
|
|
|
758 |
|
|
|
759 |
index := code wordAt:pc MSB:true.
|
|
|
760 |
pc := pc + 2.
|
|
|
761 |
|
|
|
762 |
outStream
|
|
|
763 |
show:index;
|
|
|
764 |
show:' '
|
|
|
765 |
|
|
23
|
766 |
"Modified: 16.4.1996 / 15:30:55 / cg"
|
|
198
|
767 |
"Created: 4.8.1997 / 19:02:09 / cg"
|
|
23
|
768 |
!
|
|
|
769 |
|
|
27
|
770 |
lookupSwitchBytes
|
|
|
771 |
|defaultOffset delta nPairs match pc0|
|
|
|
772 |
|
|
|
773 |
pc0 := pc-1. "/ i.e. the pc of the tableSwitch op
|
|
|
774 |
|
|
|
775 |
[(pc-1) \\ 4 ~~ 0] whileTrue:[
|
|
|
776 |
pc := pc + 1
|
|
|
777 |
].
|
|
|
778 |
|
|
|
779 |
defaultOffset := code signedDoubleWordAt:pc MSB:true.
|
|
|
780 |
pc := pc + 4.
|
|
|
781 |
nPairs := code signedDoubleWordAt:pc MSB:true.
|
|
|
782 |
pc := pc + 4.
|
|
|
783 |
|
|
|
784 |
outStream show:'n='; show:nPairs; cr.
|
|
|
785 |
|
|
|
786 |
nPairs timesRepeat:[
|
|
|
787 |
match := code signedDoubleWordAt:pc MSB:true.
|
|
|
788 |
pc := pc + 4.
|
|
|
789 |
delta := code signedDoubleWordAt:pc MSB:true.
|
|
|
790 |
pc := pc + 4.
|
|
|
791 |
outStream show:' ';
|
|
|
792 |
show:match;
|
|
|
793 |
show:' -> ';
|
|
|
794 |
show:delta;
|
|
|
795 |
show:' [';
|
|
252
|
796 |
show:(pc0 - 1 + delta);
|
|
27
|
797 |
show:']';
|
|
|
798 |
cr.
|
|
|
799 |
].
|
|
|
800 |
|
|
|
801 |
outStream show:' ';
|
|
|
802 |
show:'default';
|
|
|
803 |
show:' -> ';
|
|
|
804 |
show:defaultOffset;
|
|
|
805 |
show:' [';
|
|
252
|
806 |
show:(pc0 - 1 + defaultOffset);
|
|
27
|
807 |
show:']'.
|
|
252
|
808 |
|
|
|
809 |
"Modified: / 5.1.1998 / 00:33:57 / cg"
|
|
27
|
810 |
!
|
|
|
811 |
|
|
|
812 |
nargsByte
|
|
|
813 |
|byte constants|
|
|
|
814 |
|
|
|
815 |
byte := code byteAt:pc.
|
|
|
816 |
pc := pc + 1.
|
|
|
817 |
|
|
|
818 |
outStream
|
|
|
819 |
show:byte
|
|
|
820 |
|
|
|
821 |
"Created: 16.4.1996 / 15:00:04 / cg"
|
|
|
822 |
"Modified: 16.4.1996 / 15:30:55 / cg"
|
|
|
823 |
!
|
|
|
824 |
|
|
|
825 |
reservedByte
|
|
|
826 |
|byte constants|
|
|
|
827 |
|
|
|
828 |
byte := code byteAt:pc.
|
|
|
829 |
pc := pc + 1.
|
|
|
830 |
|
|
|
831 |
outStream
|
|
|
832 |
show:byte
|
|
|
833 |
|
|
|
834 |
"Created: 16.4.1996 / 15:00:04 / cg"
|
|
|
835 |
"Modified: 16.4.1996 / 15:30:55 / cg"
|
|
|
836 |
!
|
|
|
837 |
|
|
23
|
838 |
signedBranchShort
|
|
24
|
839 |
|index constants|
|
|
23
|
840 |
|
|
24
|
841 |
index := code signedWordAt:pc MSB:true.
|
|
23
|
842 |
|
|
|
843 |
outStream
|
|
|
844 |
show:index;
|
|
|
845 |
show:' [';
|
|
252
|
846 |
show:(pc - 1 + index - 1);
|
|
25
|
847 |
show:']'.
|
|
|
848 |
|
|
|
849 |
pc := pc + 2.
|
|
23
|
850 |
|
|
252
|
851 |
"Created: / 16.4.1996 / 15:00:04 / cg"
|
|
|
852 |
"Modified: / 5.1.1998 / 00:34:14 / cg"
|
|
24
|
853 |
!
|
|
|
854 |
|
|
|
855 |
signedByte
|
|
|
856 |
|byte constants|
|
|
|
857 |
|
|
|
858 |
byte := code signedByteAt:pc.
|
|
|
859 |
pc := pc + 1.
|
|
|
860 |
|
|
|
861 |
outStream
|
|
|
862 |
show:byte
|
|
|
863 |
|
|
|
864 |
"Created: 16.4.1996 / 15:00:04 / cg"
|
|
|
865 |
"Modified: 16.4.1996 / 15:30:55 / cg"
|
|
|
866 |
!
|
|
|
867 |
|
|
|
868 |
signedShort
|
|
|
869 |
|word constants|
|
|
|
870 |
|
|
|
871 |
word := code signedWordAt:pc MSB:true.
|
|
|
872 |
pc := pc + 2.
|
|
|
873 |
|
|
|
874 |
outStream
|
|
|
875 |
show:word
|
|
|
876 |
|
|
|
877 |
"Created: 16.4.1996 / 15:00:04 / cg"
|
|
|
878 |
"Modified: 16.4.1996 / 15:30:55 / cg"
|
|
|
879 |
!
|
|
|
880 |
|
|
|
881 |
tableSwitchBytes
|
|
|
882 |
|defaultOffset delta low high pc0|
|
|
|
883 |
|
|
|
884 |
pc0 := pc-1. "/ i.e. the pc of the tableSwitch op
|
|
|
885 |
|
|
|
886 |
[(pc-1) \\ 4 ~~ 0] whileTrue:[
|
|
|
887 |
pc := pc + 1
|
|
|
888 |
].
|
|
|
889 |
|
|
|
890 |
defaultOffset := code signedDoubleWordAt:pc MSB:true.
|
|
|
891 |
pc := pc + 4.
|
|
|
892 |
low := code signedDoubleWordAt:pc MSB:true.
|
|
|
893 |
pc := pc + 4.
|
|
|
894 |
high := code signedDoubleWordAt:pc MSB:true.
|
|
|
895 |
pc := pc + 4.
|
|
|
896 |
|
|
|
897 |
outStream cr.
|
|
|
898 |
|
|
|
899 |
low to:high do:[:switchValue |
|
|
|
900 |
delta := code signedDoubleWordAt:pc MSB:true.
|
|
|
901 |
pc := pc + 4.
|
|
|
902 |
outStream show:' ';
|
|
|
903 |
show:switchValue;
|
|
|
904 |
show:' -> ';
|
|
|
905 |
show:delta;
|
|
|
906 |
show:' [';
|
|
252
|
907 |
show:(pc0 - 1 + delta);
|
|
24
|
908 |
show:']';
|
|
|
909 |
cr.
|
|
|
910 |
].
|
|
|
911 |
|
|
|
912 |
outStream show:' ';
|
|
|
913 |
show:'default';
|
|
|
914 |
show:' -> ';
|
|
|
915 |
show:defaultOffset;
|
|
|
916 |
show:' [';
|
|
252
|
917 |
show:(pc0 - 1 + defaultOffset);
|
|
24
|
918 |
show:']'.
|
|
|
919 |
|
|
252
|
920 |
"Modified: / 5.1.1998 / 00:33:46 / cg"
|
|
27
|
921 |
!
|
|
|
922 |
|
|
|
923 |
unsignedByte
|
|
|
924 |
|byte constants|
|
|
|
925 |
|
|
|
926 |
byte := code byteAt:pc.
|
|
|
927 |
pc := pc + 1.
|
|
|
928 |
|
|
|
929 |
outStream
|
|
|
930 |
show:byte
|
|
|
931 |
|
|
|
932 |
"Created: 16.4.1996 / 15:00:04 / cg"
|
|
|
933 |
"Modified: 16.4.1996 / 15:30:55 / cg"
|
|
6
|
934 |
! !
|
|
|
935 |
|
|
229
|
936 |
!JavaDecompiler methodsFor:'private'!
|
|
|
937 |
|
|
|
938 |
popType:type
|
|
|
939 |
(type == #long) ifTrue:[
|
|
|
940 |
^ self popLong
|
|
|
941 |
].
|
|
|
942 |
type == #double ifTrue:[
|
|
|
943 |
^ self popDouble
|
|
|
944 |
].
|
|
|
945 |
^ self popStack
|
|
|
946 |
|
|
|
947 |
"Created: 16.8.1997 / 03:14:11 / cg"
|
|
|
948 |
! !
|
|
|
949 |
|
|
129
|
950 |
!JavaDecompiler class methodsFor:'documentation'!
|
|
6
|
951 |
|
|
|
952 |
version
|
|
252
|
953 |
^ '$Header: /home/jv/Projects/SmalltalkX/repositories/cvs/stx/libjava/JavaDecompiler.st,v 1.31 1998/01/05 18:47:13 cg Exp $'
|
|
6
|
954 |
! !
|
|
|
955 |
JavaDecompiler initialize!
|